new products - American Chemical Society

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NEW PRODUCTS Equi$ment

MODULAR FILTER LINE USES DISPOSABLE CARTRIDGES

A new line of standard filter cartridges and housings should make process filtration design easier. T h e line combines Pall Corps's wide selection of filter media with a modular concept by which cartridges and housings may be freely interchanged. T h e basic cartridge in the new line corresponds to the size most commonly required by industry-23/, in. 0.d. x 93/, in. long. It enables users to employ Pall filter cartridges in housdngs already in use, including those made by other manufacturers. 1NTERCHANGEABLE CARTRIDGES

Cartridges are available for service with a wide range of organic and inorganic chemicals, petroleum derivatives, foodstuffs, pharmaceuticals, and gases. They may be designed for use with corrosive fluids. Operating temperatures range from -453" F. to 1500" F. Pressures up to 3000 p.s.i. are handled. Special filter media include porous stainless steel, sintered woven wire mesh, sintered woven wire mesh surfaced with porous sintered stainless steel,

and resin-bonded glass fiber. Latest additions to the line are new corrugated dis*posable media. DISPOSABLE M E D I A

New media, named Epocel and Ultipore, are cellulose fibers impregnated with epoxy resin. They combine the low-cost disposability of paper filter media with higher strength, rigidity, chemical inertness, and zero media migration. These are features normally found in costlier permanent materials. Ultipor, an ultrafine medium with a layer of inorganic fibers bonded to the upstream side of the resin-impregnated cellulose base, can filter extremely fine particles and even bacteria. Porous ceramic disks sometimes used for such applications yield low flow rates and require frequent cleaning. Paper and membrane filters developed for ultrafine filtration have even lower flow rates and are generally limited to small scale laboratory use because of their lack of strength. T h e strength characteristics of Pall's new media allow them to be fabri-

cated intg deep-corrugated filter cartridges of induslrial size. High surface area provides generous flow rates and long service intervals before clogging. Ultipor comes in three grades with nominal (98%) cut-off ratings of 0.45, 0.15, and 0.03 micron. Absolute cut-off ratings are 3.0, 0.35, and 0.07 micron, respectively. Ratings are for liquid systems and are improved in gaseous systems. Epocel also comes in three grades, with nominal cut-off ratings of 30, 10, and 3 microns in liquid systems. Absolute ratings for Epocel are 49, 30, and 23 microns, respectively. For many industrial, chemical and pharmaceutical applications these new media offer substantial cost and operating advantages over materials currently in use. Disposability is a n important factor, reducing initial cost and eliminating costly filter cleaning and testing routines. O T H E R CARTRIDGES AVAILABLE

Composite cartridges, in which one filter medium is combined with an annular bed of either activated charcoal, mixed-bed resin demineralizers, or adsorbent desiccants, are also available. These are effective for drying gases, removing oil vapors from air and other gases, and removing colloidal particles from liquids. Housings are designed for multiple as well as single cartridge use (Continued on page 62)

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Prices quoted are those submitted by the manufacturer. They are subject t o change without notice. Prices are f.0.b. point of manufacture.

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and are available in stainless steel, carbon steel, and plastic materials. For applications involving small flow rates, a parallel series of smaller cartridges and housings is produced. Dimensions are 2.2 in. 0.d. x 5.5 in. long. Cost of the Epocel cartridge in standard size is approximately $5. Other price information and additional performance data for various filters are available on request. Dept. I E C , Pall Gorp., Glen Cove, L . I., N.Y . 20 1

APPLICATIONS: Insolubilization of starch, protein, latex, casein, etc. Means of improving bond between oxygenated plastics and inorganic and organic fillers. For water repellent treatment of textiles. As an additive to latex base paint to impart scrub resistance and rain resistance. Preparation of catalysts. APPEARANCE: Clear, colorless aqueous solution. COMPOSITION: ZrO, - 10% min., COz 15. IS%, NH, -6.2 - 6.8%, pH - 9.6. 1- 5-d ner naund r t--of solution

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F.O.B. Niagara Falls, N.Y. Price subject to change without notice. Shipped in 500 Ib. drums (net).

Send for Data File

Executive and Sales Offices 111 Broadway (Dept. IC), New York 6. N.Y. Qeneral Offices Works and Research

FOR

Laboratories Niagara Falls, N.Y.

Please direct inquiries to our

COMPOUNDS AND

CHEMISTRY New York City offices Circle N o . 71 on Readers’ Service Card 62

INDUSTRIAL AND ENGINEERING

High Speed Mixer Premier Series 8000 Dispersator is combined submerged pump and high shear deyice for rapid and thorough dispersion and solution. Motor sizes run from 15 to 50 hp., and capacities are from 1000- to 25,000-gallon batches. Dispersator can be mounted directly on a mixing tank or in a pipeline for continuous systems. All wetted parts, head, shaft, and mounting flange are Type 304 or 316 stainless steel. Other alloys are available. Price for open tank unit is $3200 with 304 stainless. Closed tank unit costs $4025. Motors are not included in these prices. Longer ,hafts and double mechanical seals 311 closed unit are extras. Dept. IEC, Premier Adill Coip., 224 Fifth due., ATew Y o ~ k1, AT. Y . 202 Mew Pump Design Vibro-Pump has no rotating ,halt, bearings, or stuffing boxes, )et operates on centrifugal princiole. Impeller is inounted in center o€ flexible diaphragm which is clamped securely b) the housing to provide sealed pumping chamber. Eccentric shaft operates impeller hrough the diaphragm. Impeller moving in cylindrical housing creates pumping action. Efficiency :omparable to centrifugal pumps 3f same capacity is claimed. Housing parts are plastic or stainless steel. Capacity curtes are availible. Price range is $75 to $225 for five different models. Dept. I E C , Signznmotoi, Inc., 3 N o , t h M a i n St., il/lzddlepo?t, A’. Y . 203 (Contznued on page 6 4 ) H EM I S T R Y

SOLID SURFACES AND THE GAS-SOLID INTERFACE Here are reports on some of the latest and most challenging research in the broad field embracing surface phenomena. They give information basic to chemical science and technology. The 37 invited papers in this volume were presented at an ACS Symposium honoring Dr. Stephen Brunauer with the 1961 Kendall Award for “outstanding scientific contributions to colloid and surface chemistry.” His own paper keynotes the book. These are some of the significant subjects treated: Dipole Moments of Ions in Surface Layers , . . Phase and Chemical Equilibria . . Nonionogenetic Surfaces . . . Gibbs Adsorption Equation . . , Epitaxy in Crystal Growth.. . Electrode Phenomena.. . Effect of Foreign Atoms on Surface Symmetry,, . Entropy and Enthalpy Changes in Adsorption , . . Ceramics . . . Cement and Concrete, . . Clay-Liquid Systems, . . Reactivity of Silica in Silicosis.. . Industrial Catalysis. . . Spectrochemistry of Powdered Solids, . * Semiconduction. Contributions to both the fundamental and applied sides of surface chemistry are offered. A comprehensive index enhances the value of this volume as a modern source book on many phases of interfacial phenomena. 381 pages.

Cloth bound.

Price: $9.00

Order from: Special Issues Sales American Chemical Society 1155 Sixteenth Street, N.W. Washington 6, D.C.

The reasons for the success of Nash Compressors in handling “dirty” and corrosive gases are simple. First, Nash Compressors have no internal parts in wearing contact, or requiring close tolerances and internal lubrication. Second, because of the Nash operating principle, a variety of liquids can be employed as the compressant medium, protecting the interior from corrosive action. Third, the pump casing may be fabricated from a variety of special metals and alloys. That is why Nash Compressors take these rugged jobs in stride. Nash Vacuum Pumps offer the same basic advantages when handling corrosive gases, and reliably .maintain vacuums up to 29.50 inches of mercury. Shown here is the new Nash

H-IO-G, capacity 2040 cubic feet per minute. This is equipped with the new gear reduction drive, giving great flexibility of installation, and permitting the use of stock aotors.

N A S H ENGINEERING COMPANY SOUTH

NORWALK,

C O N N E C T I C U T , U. S. A. VOL 55

NO. 2

FEBRUARY 1963

63

ADDITIONAL NEW EQUIPMENT

Centrifugal Pumps in the B.P.O. line are designed to meet the proposed .American Voluntary Standards lor process pumps. Back Pull Out pumps are available from stock in ductile iron, type 316 stainless s,teel, and 13Vorthite corrosion reiistant alloy . Operating range goes u p to 800 g.p.m., heads to 300 It., and operating temperatures to 500" F. D e p t . I E C , Standard P u m p Diu., W o r t h ington Coqb., Harrison, M.J . 204

You can increase s o l i d s i n a freef l o w i n g slurry w i t h o u t i n creasing viscosity, convert a n o n - f l u i d slurry i n t o a f r e e - f l o w i n g liquid w i t h o u t a d d i n g water, decrease v i s c o s i t y w i t h o u t a p p r e c i a b l y a f f ec t i n g t h e

volume.

Marasperse, the low cost, highly effective dispersant, prevents or minimizes f l o c c u l a t i o n a n d sedimentation o f insoluble particles i n w a t e r suspension. The Marasperses keep small p a r ticles of insoluble solids dispersed. I n slurries this means greater fluidi t y because smaller particles f l o w past one another more readily t h a n d o larger ones.

Marasperses are water-soluble, free-flowing powders and, in use, because of their potency, only the state of the mass is changed. As little as .05% to 3.0% of Marasperse (based on weight of total solids) is required to accomplish these results. The versatility of Marasperse dispersants is best described by the variety of applications in use, such as oil well drilling muds, gypsum slurries, ceramic slips, pesticides, dyestuffs, industrial cleaners, concrete, pigment, carbon black and clay dispersions, ore flotations, and many others. It's easy to determine whether or not a Marasperse will be helpful to you. A few quick tests in your laboratory will provide the answer. Tell us about your suspension problems. We'll send samples of Marasperse together with descriptive literature for your evaluation. Return the coupon below for additional information.

MARATHON (&j

Batch Mixers with patented design hurl materials away from mixer ~vallsinto free space. Plow-shaped mixing tools cause materials to intermingle for precision mixing. Mixtures with trace elements less than 1 p.p.m. are homogenously mixed. Optional high speed choppers break u p agglomerates. D e p t . I E C , Littleford-Lodige Diu., I.ittletoi-ci Bras., Inc., 457 E . Pearl S t . , Cincinnati 2 . Ohio 205

Spray Nozzles coniert liquids into low-micron and submicron siLe particles for such applications as spraj drying, humidification, gas cooling, and dispersion. Micromist nozzles utiliLe sound energ\ to break liquid stream into fine particles. Large voIume dry fogs give efficient use of liquids and total absence of large droplets. Dept. IEC, Sales En,qineering Dej7t., A s t m sonics, Inc., 190 ,Michael Drive, Syoiyet, A'. Y . 206

Quartz Crucible Oven heats high purity alloys, metals, or chemicals. It can handle hot corrosive acids. Oven is electrically heated and goes u p to 1200" F. Constant temperature control is available. D e p t . I E C , Infia-Recl S),terns Inc., R o u t e 23, Riverdale, X J . 205

Packaged Fractional Distillation Plant uses countercurrent centrifMENASHA, W'SCoNS" ugal vapor-liquid contactor in *Registered U. S. trademark place of conventional tall packed MARATHON A D i v i s i o n o f A m e r i c a n C a n Co. column. Centrifugal Fractioneer M E N A S H A , WIS. C H E M I C A L S A L E S OEPT. extends fractional distillation a n d Please send Information File No. 1-23 m,Samples of MARASPERSE for use in ysis method from laboratory scale to pilot plant and small scale proNAME duction processing. . TITLE A D l v i s l o n o f A m e r i c a n Can C o m p a n y CHEMICAL SALES DEPARTMENT

. . . . . . . . . . . . . . . . . . . . .

C O M P A N Y ............................................................... ADDRESS

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Please aftach Circle

64

INDUSTRIAL

A N D

io y o u r c o m p a n y l e f t e r h e a d .

NO. 18 on Readers' Service Card

E N G I N E E R I N G

CHEMISTRY

__________ Dept. IEC, Podbielniak, I n c , 3201 A'. T T ' o / f .Rd., F t a n k l i n Park, Ill 208

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/Conirnued on page 66)

THAT’S RIGHT, the Duolite ion exchange resin singled out in the microscopic view above - although only 0.5 m m in diameter has two hundred million b;ll;on potential ion exchange sites incorporated within it! Porosity “built” into each particle i s the key to efficient use of this potential under operating conditions. Only when ions in the liquid being treated come into intimate contact with this almost infinite number of potential sites can full efficiency be approached in an ion exchanger. Since 1939 this principle has guided our research and manufacturing techniques as the pioneer of porous as well as standard ion exchange resins.

ANOTHER REASON WHYWhen you think of ion exchange, You should think of Duolite!

WESTERN DIVISION OF

Diamond Aikali Company 1901 SPRING STREET Circle No. 5

R E D W O O D CITY, C A L I F O R N i A on Readers’ Service C a r l VOL. 5 5

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1IT ERATUR E

Heat Exchangers. Condensed catalog describes and illustrates various types of heat exchangers designed for the process and other industries. Bulletin 810 contains information o n double pipe heat exchangers, bundle heat exchangers, indirect fired heaters. tank heaters, tank suction and line heaters, compressor intercoolers and aftercoolers, process heaters and coolers, and custom built equipment. Dept. I E C , Byown Fintiibe Co., 300 Hiiron ,St., Elyvia, Olrio 209 Cascade Mills. Dei elopment, application, design, and construction of C d S cade milling equipment are found in Bulletin No. 5 3 . Cascade mill may be used for either wet or dr) grinding, in circuit with coni entional sizing equipment. D e p t . I E C , Hmrlingr Co., Inc., Y o l k , Po. 210 Twin-Screw Presses. Bulletin G-22 includes photographs, cross-section schematic drawings, engineering data, and specifications for recently introduced Helipress line. Equipment is designed for dewatering or thickening of pulps and residual fibrous materials. Depl. I R C , Bauer Bros. Co., 17-79 S h e k l a u AIIP.,Sprzngfielrl, Ohio 21 1

TO YOU Brookfield Viscometers Cut Viscosity Measurement Time To 30 Seconds

Drying Systems Bulletin 7550-A describes fluidized bed drying system for materials not affected by moderately high temperatures. FlrioSolids drying system can also be used for accurate siring of dry product. D e p t . ZEC, I ) ~ i r ~ i ~ - 0 l i i iInc., r i . , Sirtnifoi.tl, Conir. 213

It’s t r u e ! J u s t 30 s e c o n d s ‘ in test material, and the Brookfield 8-speed Synchro-lectric Viscometer gives an accurate viscosity reading in centipoises. Brookfield has made viscosity a product dimension that you can control with accuracy, speed and ease. Being portable, you can use Brookfields ahywhere . . . in the laboratory, field, or on the process site. New illustrated catalog, including interesting tips on viscosity control, is yours upon request.

PVC Valves and Fittings. Catalog and data book gives details of properties, characteristics, ancl versatility of PVC valves, fittings, and accessories. Illustrations and tabulations of available parts are included. De$t. ZEC, Oscar 1)rii~i.sCo., I n c . . Wrst Caldzuell, N. ,I. 214

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Viscometran, new instrumentation that automates viscosity control under actual process conditions.

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II 66

Proportioning Pumps. Bulletin 1 7 8 ~llustratesancl descri1)es proportionin; purnpr for pressures u p to 3000 p s i . arid capacities to 475 gallons per hour per c)linder. Other features, applications, and engineering data are included. I l r p t . I E C , TVaZle> 13. E g m C o , I I I C . , 2?3h I;iiiriiian/ AI](,., Philatlrlpll1(1 30, Pn. 212

E N G I N E E R I N G LABORATORIES INCORPORATED STOUGHTON 13, MASSACHUSETTS circle NO. 3 on Readers’ Service Card

(Coiiiiniterl on @ge 69)

M o r e information is as near as your mailbox. Just circle the number of the item in which you are interested on the Readers’ Information Card.

lNDUSTRlAL AND E N G I N E E R I N G CHEMISTRY

NEW “PAGKAGE UNIT’ Based on experience gained since we first made these units in 1946, a completely new line of “packaged” de-ionizers is now available. APPLICATIONS IonXchange is applied in various ways to many purposes. A few of the most-used are: Water, purified to an extremely high degree by ionxchange, is used as a constituent in cosmetics, drugs, biological preparations, dyes, chemicals, food products, and alcoholic beverages. De-ionized water is used for the final rinse, to prevent water spotting, in the manufacture of plated metals, mirrors, optical lenses, TV tubes, semi-conductors, and photographic and chemical products. High-pressure steam boilers in power plants use silica-free deionized water for make-up to avoid the formation of a hard, glassy scale o n turbine blades. De-ionized water is used in humidifiers and stills to prevent lime formation. It is injected into jet engines for take-off power. Purified water from ionXchangers is used in many laboratories for analytical purposes. And there are many more uses

...

COMPLETELY ASSEMBLED IWT “PACKAGE UNIT” IonXchangers are completely assembled, tested, loaded with resins, and shipped in a single box (with breakable flow meters protected), ready for operation as soon as attached to inlet, outlet, and drain lines.

Circle

No.

14 on Readers’ Service Card

BRIEFS on where to use thionyl chloride four organophosphites for your study extremely pure muriatic acid

FOUR NEW TERTIARY PHOSPHITES OF EXCEPTIONAL QUALITY They are triphenyl phosphite, diphenyl decyl phosphite, tridecyl phosphite, and phenyl didecyl phosphite-now available in commercial quantities. . The excellence of these reactive organophosphites-the low free phenol of our triphenyl, for example, and the clear, almost water-white appearance of all-recommends them for your evaluation. All are versatile intermediates for making other organophosphorus compounds. They are currently used as resin modifiers. Our Bulletin No. 80 gives further details including properties a n d typical reactions. Just check the coupon for bulletin and technical data sheets.

SOME INTERESTING USES FOR THlONYL CHLORIDE You can use it in organic synthesis to replace such groups as OH, SH, SOz, H or 0 with chlorine-especially in making organic acid chlorides and anhydrides. It is a convenient means for introducing sulfur alone or sulfur in combination with oxygen. Sometimes you'll find it's easier to work with than pure sulfur. An efficient chlorinating agent, our thionyl chloride is used to make such products as iso-amyl chloride, synthetic pyrethrum, phenylpropyl chloride and synthetic vitamin A palmitate. You have two grades to choose from. The technical grade, shipped in steel drums, is 93% pure, minimum, and distills between 72" and 79°C. The refined grade, shipped in glass carboys or nickel drums, is 98% pure, minimum, and distills between 75" and 78°C. For more complete specifications and description, check the coupon for data sheet.

WHAT TO LOOK FOR IN MURIATIC ACID SPECS You may save yourself some trouble if you keep a close eye on sulfates content. Too much can cause an insoluble precipitate in certain reactions, serious extraction losses in radium refining, a headache in processing many food and vitamin products. Iron, arsenic, and free chlorine can also make a problem out of your process if their level is too high in the muriatic acid you use. Hookers White, highly pure, is completely free of arsenic and free chlorine, contains maximums of 0.0001% iron, 0.003% sulfates and 0.0002% organic matter. If your process can stand a slightly higher level of iron, sulfates, or organics, we suggest the economies of our commercial grade. For more specifications and an easy-to-use dilution table, check the coupon for data sheet.

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FOR MORE INFORMATION, CHECK HERE AND MAIL WITH NAME, TITLE

I

I

I

AND COMPANY ADDRESS: 0 THIONYL CHLORIDE 13 MURIATIC ACID 0 ORGANOPHOSPHITES BULLETIN AND DATA SHEETS For complete product listing, see Chemical Materials Catalog and Chemical Week Buyers' Guide. Sales Otfices: Boston Buffalo Chicago Detroit Lor Angeler N e w York

Niagara Falls

Philadelphia

Tacoma

I n Canada: Hooker Chemicals Limited, North Vancouver, 6. C.

II

HOOKER CHEMICAL CORPQRATIQN 1002 B U F F A L O A V E N U E , N I A G A R A F A L L S , N E W Y O R K

I1

L,,,-------,-------------------------~ Circle NOS. 42, 43, 44

on

Readers' Service Card

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SILICONE

N E W S from Dow Corning .-.-kul---I

Cut foam production costs

Make better foams consistently with Dow Corning S i l i c o n e s Especially developed for use in polyurethanes, a series of Dow Corning Silicones help you make uniform foam easily, more economically, and more consistently. Here’s how.

Greater efficiency. Doiv Corning silicone additives are effective at lower concentrations. In most cases, as much as 25% less is required to produce uniform cell structure, high quality foam. Greater dependability. Dow Corning silicone additives help assure consistent uniformity. Dow Corning 113 for rigid foams, for example, produces fine quality foam products even after long term standing-alone or as a package premix with prepolymers, resins, flame retardants, viscosity and control stabilizers. Also stable with amines and crude isocyanates, Dow Corning 113 makes possible production of good quality foam from crude isocyanates. Whether you make flexible polyurethane foam or rigid - one shot or prepolymer - Dow Corning silicone additives take the guesswork out of

For prompt assistance and complete data, write Dept. 4814; Chemical Products Division, Don- Corning Corporation, Midland, Nichigan.

..

Dow Corning Circle N o . 49 an Readers’ Service Card

68

production. They perform identically each time, yield better quality products . aid you in making repeat sales. They help you improve profits by keeping production control and material costs low.

I N D U S T R I A L A N D E N G I N E E R I N G CHEMISTRY

NEW PRODUCTS

Chemicals and Materiats are 12 mils thick and designed primarily for electrodialysis. They may also be considered for dialysis, particularly where separation rather than high dialysis rate is essential. Dept. IEC, Ionac Chemical Go., Birmingham, N . J . 302

Liquid Dialkyl Thiourea Pennsalt Chemicals has announced availability of the first liquid dialkyl thiourea offered in the United States. Since substituted thioureas usually exist as solids at room temperature, the availability of liquid materials offers handling and blending advantages to users. Liquid dialkyl thiourea is said to show promise as a corrosion inhibitor, antioxidant, and extreme pressure agent in lubricants, and as a corrosion inhibitor in pickling and cleaning solutions. Use as an intermediate for vinyl stabilizers is also mentioned. In tests conducted in the manufacturer's technical service laboratories, the chemical has contributed improved humid aging characteristics to low-cost polyurethane foams. Commercial quantities of dialkyl thiourea are available. Dept. IEC, Pennsalt Chemicals Gorp., 3 Penn Center, Philadelphia 2, Pa. 303

Porous Ceramic Media Filtros Type Q porous ceramic media were developed to operate efficiently in filtering and/or diffusing hot liquids and gases at temperatures u p to 1200" F. Special formulations can be made €or even higher temperatures. Material is composed of high purity silica bonded together by vitreous silicate which fuses at temperatures above 2000" F. Filtros Q and QF media are inert to all chemicals that do not attack silica glass. QR media are inert to chemicals that do not attack silica and phenol formaldehyde. Filtros A (fused aluminum oxide) media are inert to all chemicals that do not attack silica glass and aluminum oxide. Dept. IEC, Filtros Inc., 602 W . Commercial St., East Rochester, N. Y. 301

High Temperature Sponge

Ion Exchange Membranes Two new ion exchange mem-branes, rated high in permeability, efficiency, and mechanical strength, have been introduced for industrial use. Ionac XLMC-3235 is a cation membrane, and Ionac XLMA-3236 is an anion membrane. Sheets are supplied dry or in salt form. They

Closed cell Viton sponge performs as gasket or seal material at temperatures to 400" F. and higher; resists corrosive fuels, oils, acids, solvents, and other chemicals. Sheets come in sizes u p to 18 x 18 inches, and thicknesses of and 1/2 inch. Dept. IEC, Connecticut Hard Rubber Co., 407 East St., N e w Haven 9, Conn. 304

Plastic Tubing Complete line of plastic tubing for transporting all types of liquids and gases has been introduced. Called Durelene, tubings are flexible and come in full range of sizes., for intricate piping layouts. Superclear polyvinyl tubing provides clarity where visual inspection is required. Special nontoxic grades handle food products. Other tubings are designed for use with gasolines, oils, greases, organic solvents, inorganic acids, alkalies, soaps, and sirups. Tubings with braided jacket reinforcements permit high pressure applications. Test lengths of tubings are available for specific applications. Dept. IEC, A u b u r n Plastic Engineering, 4914 S. Loomis Blvd., Chicago 9, Ill. 305

Polyurethane Foam Stabilizer Liquid organometallic catalyst, Ferro BY-416, combines long shelf life with high catalyst activity. With a cost well below that for stannous catalysts, it produces flexible polyurethane foams with comparable physical properties. It is suitable for both one-shot and prepolymer processes. Stabilizer is now in commercial production following extensive field evaluation and use. Dept. IEC, Ferro Gorp., 4150 E. 56th St., Cleveland 5, Ohio 306

VOL. 5 5

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ADDITIONAL NEW CHEMICALS A N Q MATERIALS

Six R’ew Polymercaptans include pentaerythritol tetrakis (thioglycolate), pentaerythritol tetrakis (3mercaptopropionate), trimethylolethane tris (thioglycolate), trimethylolethane tris (3-mercaptopropionate), trimethylolpropane tris (thioglycolate), and trimethylolpropane tris (3-mercaptopropionate). They are suggested as antioxidants, polymer regulators, intermediates, crosslink agents, and selective solvents. D e p t . I E C , Carlisle Chemical W o r k s , Inc., Reading, Ohio 307

Molybdenum Disulfide is principal lubricating constituent of new fluid lubricant formula which has operating range of temperatures from -35” to +700° F. Moly No. 21 was specifically formulated for equipment applications continually facing hot-to-cold and cold-to-hot temperature variations. OW an important a n d widely re-

N quested addition t o t h e “Mastermite” line of solenoid valves.. .threew a y direct-acting, spring-loaded valves that give superlative service o n a i r , w a t e r , ox gen, acetylene, natural a n d m a n u z c t u r e d gas, helium, nitrogen, argon, p r o p a n e a n d m a n y oils. Outstanding feature of t h e 3-way series is a swivel connection at t h e t o p which can be rotated through 360” to suit a n y installation requirement. Valves a r e designed t o operate in a n y position. Well built, moisture resistant coils will not overheat. Like aII “Master-mite” valves, they seal leaktight at pressures u p t o 450 psi, t h a n k s t o t r a d i t i o n a l M a r s h precision a n d quality. N o t e t h e brief specifications below. Get all facts covering %way and n e w n o r m a l l y o p e n 2 - w a y “Master-mite.” Ask for new Catalog 10 MARSH INSTRUMENT COMPANY Dept. 323, Skokie, 111. Division o f Colorado Oil and Gar Corporation Marsh Instrument & V a l v e

Co. (Canada)

Ltd.,

8407 l O 3 r d St. Edmonton Alberta Canada

Houston Bran’ch Plant 1’121 RotAwelI St.. Sect. 15 Houston Texas’. Eastern Seaboard -e, Warehoise: Marsh’lnstrument N.J. Company, 1209 e

D e p t , I E C , Keystone Lubricating Go., 2 l y f and Clearfield Sts., Philadelphia 32, Pa. 308

Graphite and Carbon materials with controlled porosity, uniform pore size, and increased surface area have been developed for use as electrode materials in fuel cells and special batteries. Wide range of controlled properties can be obLained. Dept. ZEC, Carbon Sales, Stackpole C a r h o f i Go., St. hlarys, Pa. 309

Sodium Polyacrylate Thickener and Stabilizer for synthetic 01 natural latices and emulsions is said to be low in cost and highl) efficient. Polyco-0802 is designed €or use with basic latex qstems used in rugbacking and textile industry applications, in addition to adhesive, paper, and paint industr) uses. De$t ZEC, Borden Chemical C o , Poi)coMonomer Dept , The?moplastzcs D w , 350 dIadzson A v e , iYezu Y o l k 17, M I’. 310

Nonionic Surfactant pro\ ides excellent detergency with virtually no foam, according to manufacturer. Makon NF-3 is recommended for a variety of cleaning compounds and is compatible with cationics, anionics, and other nonionics. Dept ZEC, S t e p a n Chemical C o , Edens s Wznnetka, Sorthfield, I l l 311 Circle

70

NO. 19 on

LITERATURE

Plastics Foaming Agents. Brochure entitled “Foaming Agents for Plastics1963” discusses in detail many types of available foaming agents and applications i n different thermoplastic resins. Dept. IE C, h’at ional Poly chernica Is, Inc., D e p t . A M , Wilmington, Mass. 312

Technical Bulletins o n 2,6-dimethoxybenzoic acid, teyt-butyllithium i n n-pentane solution, and ethyllithium i n benzene have been published. All these products are said to be useful in many Grignard type syntheses as well as numerous polymerization reactions. Dept. IEC, Technical Seiuice, Lithium Corp. of AmeTica, i 0 0 Fijth f l u e . , X e z u YorlzJ ?6, LV. Y. 313 Industrial a n d Specialty Chemicals. Product index is divided into fourteen different product categories. Section on new research and development chemicals is also included. Request Bulletin P-105. Dept. ZEC, Eastnzan Cheniical Pwducts, Znc., Kingsport, Tenn. 314 Urethane Chemicals. Complete re\-iseti listing of company’s chemicals for the urethane industry gives trade names. brief descriptions, and typical physical properties of each chemical. Dept. I E C , M a r k e t Development Dept., I n rl ust ~ i 1 a C h e m ica Is D iv .: TVy an d o t Ie Chrmicals Corp., Wyandotte, Mich. 315

Corrosion-Proof Coatings. A practical guide to coating selection for c0rrosix.e atmospheres of all types is available. Bulletin 7-1 lists corrosion resistance O C neoprene, vinyl, epoxy. and styrenebutadiene based coatings. 166 corro5iT.e chemicals are col-ered. Dept. IEC, .4tins dl,LineyaI Pvoducts Co., dlertz102’?1,

Pa.

316

Plastics. Guide to selecting standard and special plastics for the food, chemical, and large appliance manufacturing industries lists properties, applications data, and available forms. Bulletin BR-0 includes mechanical, chemical, thermal, electrical, and color characteristics. Dept. IEC, PolymelCor?., 1220 F a i j m o n t Ave., Reading,

Po.

317

Silanes. Illustrated booklet covers 30 silanes made by the company. Prepared \\-ith charts and tables, booklet gil.es detailed information o n physical and chemical properties, specifications, recommended applications, and packaging. Dept. IEC, Union Carbide Carp., Silicones Diu., Dept. 1274, 30-20 Thonz.i.on Ave., L.ong Island Cit)J I , .Y. 1’. 318 (Continued on page 72j

Readers’ Service Card

I N D U S T R I A L A N D E N G I N E E R I N G CHEMISTR,Y

Circle No. 27 on Readers’ Service Card

+

Use Victor regulators for accurate gaslliquid control Victor makes high pressure regulators for pressures to 10,000 psig and flows to 80,000 scfm a t -67” F. to + 160”F., for such uses as: Injecting air, nitrogen, or other gases into process streams; purging reaction vessels; providing inert atmosphere over reaction materials; building static pressure; regulating reactant feed rate; testing for leaks with helium.

Standard models reduce pressure a n d control flow of air, helium, hydrogen, nitrogen, oxygen, argon, acetylene, propane, carbon dioxide, boron trifluoride, and other gases; also liquids compatible with regulator material. Modifications to solve special problems made to order. “Clean” room assembly, where specified. Write now for bulletins and Regulator Inquiry Form 361-B. 111 Manufacturers o f high pressure gas regulators; welding 8

ANNIVERSARY

844 Folsom Street, San Francisco 7 3821 Santa Fe Ave., Los Angeles 58 1145 E. 76th St., Chicago 19

GD30 SERIES GAS-0-DOME REGULATORS

GD61C AND GD62C SERIES GAS.0-DOME REGULATORS

Bronze o r stainless steel Load-and-bleed valve control Inlet and outlet range: 2500 t o 3600 p s i g Flow rates on request Remote control a n d / o r panel m o u n t i n g

Bronze Load.and-bleed valve control Inlet and outlet range: 2500 t o 3600 p s i g Flow rates on request Remote control a n d / o r panel m o u n t i n g

Bulletin R51

Bulletin R46

GD700 SERIES GAS-0-DOME REGULATORS Bronze or stainless steel Pilot operated t y p e Max. inlet: 3600 t o 10,000 p s i g Outlet range: 25.200 t o 500-8000 p s i g Flow rates on request Low Torque: 50 inch.lb. a t 8000 p s i g Panel m o u n t i n g Bulletin R43

rebuilding machines for tractor tracks, rollers, and idlers.

GAS-0-DOME REGULATORS Bronze, stainless steel, or a l u m i n u m Loading regulator a n d / o r external sensing c o n t r o l Inlet a n d outlet t o 6000 p s i g Panel m o u n t i n g Bulletin R35

SR400 SERIES SINGLE STAGE REGULATORS

VTS400 SERIES TWO-STAGE REGULATORS,

Brass Inlet: T o 3000 p s i g Outlet: 0 - 2 5 0 p s i g Flow rates o n request Cylinder o r in.line m o u n t i n g

Brass Inlet: To 3000 p s i g Outlet: 0 - 2 5 0 p s i g Flow rates on request Cylinder or in-line m o u n t i n g

Bulletin R5

Bulletin R 6

Radiocheniicals. Series of new product schedules lists and describes wide assortment of radioactive products. Titles are: Carbon-14 Labelled Coinpounds; Tritium Labelled Compounds; Phosphorus-32, Sulfur-35, and Chlorine36 Labelled Compounds; Primary Radioisotopes; Radioactive Standards; Liquid Scintillation Chemicals & Standards; Radionuclides; and Facilities and Services. D e p t . I E C , Nuclear-Chicago Gorp., 359 E . Howard Ave., Des Plaines, Ill. 319

DRY and CLEAN AIR at t h e RIGHT TEMPERATURE cise result, a n d always. N i a g a r a machines using liquid contact means of drying air have given over 20 years of service. The apparatus is simple, parts are accessible, controls are trustworthy. hlost reliable because,. . the absorbent is continuously reconcentrated automatically. N o moisture-sensitive instruments are required t o control your conditions n o solids, salts or solutions of solids are used and there are n o corrosive or reactive substances. Most flexible because ...y o u can obtain any condition at will and hold it as long as you wish in either continuous production, testing or storage.

For Processes or Material Demanding Precise Control, Use Niagara liquid Absorbent Air Conditioning.

This compact method, giving high capacity in small space, removes moisture from air by contact with a liquid in a small spray chamber. The liquid spray contact temperature and the absorbent concentration,factors that are easily and Dositivelv controlled. determine exactls i h e amobnt of moisture remaining in the air. Most efective because . . , it removes moisture as a separate function from cooling o r heating and so gives a pre-

...

’

4.

Write f o r Bulletins 11.2 a n d 131 and complete information on j o u r a i r condirroning problem.

N I A G A R A BLOWER C O M P A N Y

Plasticizer Selection. New guide for plasticizer selection contains data on physical properties, resin conipatibilities, and performances i n vinyl film. 25 plasticizers are included i n the Flexol Plasticizer Selector Chart (F-40908). Dept. I E C , Union Carbide Chemicals Co., 3 l s t Floor, 270 Park Ave., S e w York 17, N . Y . 320 Stainless Steels. Technical bulletin 13-2, “Buyers’ Guide to Stainless Steels,” summarizes in chart form important facts to help select best and inost economical types of stainless steel for particular application. Bulletin compares 34 types of stainless. D e p t . I E C , Joseph T . Ryerson d7 Son, Inc., Box 8000-A, Chicago 80, Ill. 32 1

Dept. EC-2, 4 0 5 Lexington Ave., N e w York 17, N. Y.

Niagara District Engineers in Principal Cities of U. S. and Canada Circle No. 22 on Readers’ Service Card il

!h

ELECTROLYTIC PLANT

for t h e

I

PRODUCTION OF HYDROGEN

Hydrotropes. New technical bulletin for process engineers is entitled “Industrial Applications of Ultra Hydrotropes.” Bulletin 1820 describes properties of hydrotropic products and presents a number of applications of interest to the process engineer. D e p t . I E C , Ultra Chemical Works, Inc., 2 W o o d St., Paterson, N.J . 323

99.5-0/0 PURE

R a r e Gases. Revised 24-page booklet contains prices, specifications, and ordering information for high purity rare gases, commercial gas mixtures, Dept. and dispensing equipment. I E C , R a r e Gas Dept., Linde Co., 270 324 Park A v e . , A’ew York 17, N . Y .

Illustration shows plant recently installed i n Spain and consists of 256 18,000 ampere cells producing 2,700 C U . meters per hour.

(Continued on page 75)

Knowles Electrolytic plant produces hydrogen of a constant high standard of purity, together with oxygen 99.8% pure. The plant is uniquely simple and safe and requires no highly skilled labour. Plants of all sizes up to a single installation absorbing 25,000 kW are in operation in all parts of the world.

U. S. A. Agents: A I R PRODUCTS, INC., P. 0.Box No. 538, Allentown, Pa. Circle

72

No.

Surfactants. Booklet tabulates properties and uses for Glycomuls (polyhydric alcohol fatty acid esters) and Glycosperses (ethylene oxide adducts). Special grades of these products are tailored to the requirements of specific industries. D e p t . I E C , Clyco Chenzicals, Inc., 417 F i f t h Ave., N e w Y o r k 16, A’. Y . 322

15 on Readers’ Service Card

INDUSTRIAL A N D ENGINEERING CHEMISTRY

M o r e information i s as near as your mailbox. Just circle the number of the item in which you are interested on the Readers’ Information Card. HO 4 3

@TiReaders' Information Service ADVERTISED PRODUCTS INDEX

FULL INFORMATION

EQUIPMENT

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22

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2

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89

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87

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11

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14

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29

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66

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47

Air Conditioning

Centrifugal Pumps Dryers.

Grinders.

Grinding Mills

Ion Exchangers

Jet Ejector Catalog, 32 pp. Liquid Level Control Mills

...

on products in this issue of I&EC is available to you as a free service. Just tear out one of the postage paid post cards below. Then, as you read through I&EC, circle the appropriate numbers. Full details will be mailed to you promptly.

00000

. . . . . . 16 . . . . . . . . . . . . . 17,23

LL

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27

pc

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24

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19

Processing Equipment Pumps.

Regulators

Spray Nozzles Valves.

L

dWr;

a x

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Ed

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INSTRUMENTS Viscometers

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3

FIRST CLASS

CHEMICALS AND MATERIALS

PERMIT NO. 27688 Alpha Olefins

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10

Alloy Tubing.

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68

BROOKLYN, N. Y.

IAmmonium Zirconyl Carbonate Solution 71

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Catalysts.

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26

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77

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31

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Chromium Potassium Fluoride Dicyclohexylamine

2,5-Diphenyl-p-benzoquinone

V O L . 5 5 N 0 . 2 F E B R U A R Y 1963

72A

z

z R

BUSINESS REPLY CARD NO POSTAGE STAMP NECESSARY I F MAILED I N THE UNITED STATES

w (0 w4J

= -

I

n

189 Montague Street Brooklyn 1, N e w York

=

Dispersants

... help someone else, too

4

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-

Dodecyloxy - 2 . hydroxybenzophenone . . . . . . . . . . . . 54

Fatty Nitrogen Chemicals

Do you know others who could profit from the I&EC Readers' Information Service by receiving full information on product characteristics and performance data? If so, let them read your copy of I&EC in order to take advantage of the other Business Reply Card supplied below.

_______________-__-______I______________-

1

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FIRST C L A S S PERMIT NO. 27688 BROOKLYN, N. Y.

BUSINESS REPLY CARD NO POSTAGE STAMP NECESSARY IF MAILED I N THE UNITED STATES

= ~

Publishers' Data Processing Service 189 Montague Street

Brooklyn 1, New York

34

.

52

Ion Exchange Resins

. . . . . . .5,83

Methyl Butynol

. . . . . . . . .57,

Methyl Pentynol

. . . . . . . . . 58,60

Muriatic Acid.

59

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53

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43

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12

p-Octylphenyl Salicylate Organophosphites,

I

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Hexamethylphosphoric Triamide

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1 I I I I I I I I

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Petrochemical Industry Phenol

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Potassium Ferric Fluoride

Potassium Zinc Fluoride.

I

I I I I I I I

I I I I I

I I I

.

Potassium Zirconium Fluoride Resorcinol Monobenzoate

Silicone Additives

I I I I

,

Potassium Titanium Fluoride

Rubber

Silicones

Sodium Zirconium Fluoride Sulphur

32

Thionyl Chloride

Vinyl Polymerization Catalysts

,

MISCELLAN EOUS Chemical Engineering Catalog

I

I I

I I I

Plant Construction 728

I&EC

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.4,15,36,46

LOOK INTO THE WYSSMONT WAY TO.,.

Solve Your Drying Problems HOW WELL DO YOU KNOW YOUR PRODUCT’S DRYING BEHAVIOR? An increasing number of manufacturers are calling on the facilities and “know-how” of the Wyssmont drying laboratory to help solve dryi n g problems i n connection w i t h products that may be fragile, heat sensitive, oxidizable, toxic, hazardous or otherwise difficult to process. Here in our Wyssmont Test Dryer, simulated actual o p e r a t i n g conditions such as material temperature, drying temperature, drying rates, a i r velocities, turn-over cycles a r e established. These tests are further fortified with complete moisture, chemical and physical determinations. The recording and data are translated into graphs, such as those shown here. Whether the problem involves drying only, solvent removal and recov-

Typical record of drying a hydrate.

and the conclusions objective. Data has already been developed on hundreds of materials in our testing laboratory.

ery, purification by sublimation or gas-solids reactions, the tests a r e exhaustive, t h e product analysis complete and accurate, t h e report

CAN YOUR PRODUCT USE THESE SYSTEMS ENGINEERED BY WYSSMONT?

Drying with solvent recovery

I

Continuous drying of solvent-wet materials with recovery of the solvent is both safe and economical in the Wyssmont system. Consumption of inert gas, used to prevent explosion hazard, and solvent losses are kept low by closed circuit operation. Recovery rates are high. Solvent and air leakage are negligible without high pressure or complicated seals being required. In processes involving drying, the use of solvent instead of water may offer these advantages : 1. Improved quality through lower drying temperature. 2. Improved washing with a more suitable solvent. 3. Increased filter or centrifuge capacity. 4. Lower heat requirements and smaller dryer. 5. Continuous atmospheric operation instead of vacuum batch drying for heat-sensitive products.

TURBO DRYER

R

Condenser-

Reheater

Receiver+ Product

Continuous solid purification

Superheated steam drying

write: Wyssmont Co., 27-081) Bridge Plaza South, Long Island City 1, N.Y.

WYSSMONT TURBO-DRYER . TURBO-SUBLIMER Circle NO. 89 on Readers’ Service Card

VOL. 5 5

NO. 2

FEBRUARY 1963

73

N EW PROD UCTS

Instruments Mass Flowmeter Model LF-50 utilizes a new thermal technique and is sensitive to very low flow rates of gases. Range is 0-50 standard cc. per minute. Higher rates of flow are available on special order. Technique depends on measurement of thermal capacity of gas. Since thermal capacity is directly proportional to pressure, no pressure correction is needed over a wide range. Standard calibration is for air, nitrogen, and oxygen. Curves, calibrations, and multipliers for many other gases are available, although calibration is not greatly affected by changing gases. Since instrument

quirements. Higher temperature instrument is more expensive. Dept. IEC, Burling Instrument Go., 16 River Rd., Chatham, N . J . 402

is electrical, remote location of indicating unit is easy, and electrical signal can be used to operate recording potentiometers or control devices. Price is $365, complete with flow transducer. Dept. IEC, Hastings-Raydist, Inc., Humpton, Vu. 401

tra. Sensitivity is 0.223 millivolt per O F. temperature differential. Maximum operating temperature level is 250" F., with values u p to 500" F. available on special request. Fluid pressure above 1500 p.s.i. may be accommodated. Any liquid compatible with type 304 stainless steel may be handled. Other alloys available on special request. Transducer requires no calibration, no amplification, and no power supply. Price for basic 3/4 in. size is $400. Dept. IEC, Delta-T Co., P.O. Box 473, Santa Clara, Calif. 403

Pneumatic Temperature Control Model OR-A has differential expansion sensing element which enables it to be used for temperatures from below zero to 1900" F. I n operation it gives output air pressure proportional to temperature and can be used to control all types of pneumatic valves. I t operates on any standard supply pressure u p to 30 p.s.i.g. Price range is $75 to $105, depending on temperature re+Circle

No. 32

on

Readers' Service Card

Differential Temperature Transducer Model 75 can be used to indicate, record, and control the true difference in temperature between two flowing liquids. Readout on a direct-reading galvanometer oscillograph recorder requires no amplification. Readout is also accomplished on high impedance amplifier recorders, millivolt potentiometers, or on direct reading panel meters to be offered as an optional ex-

Temperature Regulator Atlas No. 662 temperature regulator gives accurate control of difficult installations. Accuracy of this regulator is not affected when

controlling fluid temperatures lower than ambient temperature. Operation is by an internal pilot valve and steam operated piston. Regulator opens wide or closes tight on slight temperature changes. No. 662 accurately controls specified temperatures from 50' to 270" F. Easily turned adjust-

ment nut changes temperature setting within a 100" F. range. List prices are from $220 to $352, less 25% discount, for valve sizes from 1/2 to 2 inches. Dept. IEC, Atlas Valve Co., 280 South St., Newark 14, N . 1. 404 (Continued on page 76)

Prices quoted are those submitted by the manufacturer. They are subject t o change without notice. Prices are f.0.b. point of manufacture.

VOL. 5 5

NO. 2

FEBRUARY 1963

75