GENERAL AMERICAN TRANSPORTATION CORPORATION

---

TRY THIS SIMPLE

QUIZ ABOUT

THE RDC COLUMN 1. R.D.C. stands

for

a) Rapid Dispersion Column b) Recycle Displacement Column c) Rotating Disc Contactor

2. RDC Columns

are

made by

a) 6 different manufacturers b) by one manufacturer c) by 10 manufacturers

3. The RDC column has been used for a) Separation of Hafnium from Zirconium b) Caustic extraction of acids from organics c) Caffein and vanillin extraction

4. The RDC column

he used for

can

a) liquid-liquid extraction ] b) liquid-solid extraction c) liquid-slurry extraction

.

5. The RDC column

has which

advantages Qa) High volumetric efficiency b) No interstage coalescing c) Low power requirements

(

of these

external settling

or

Answers 1.

i

(C) Rotating Disc Contactor. I

I

i

(B) RDC columns are made for the process industries exclusively by General American, and on a non-exclusive basis for the petroleum industry. 2.

l

I

(A), (B) and (C). For General American. 3.

a

complete list of typical systems in service, contact

I

(A), (B) and (C) again. The RDC column is one of the most versatile tools available for extraction processing.

4.

I

5. (We

J

did it again—all three are correct).

i__________________________________________i If you'd like more information on the RDC column and the many advantages it offers, send for Bulletin T-l 159. You’ll find it pays to plan with General American. Process Equipment Division—Turbo-Mixers

GENERAL AMERICAN TRANSPORTATION CORPORATION 135 South LaSalle Street Offices in principal cities

Circle No.

•

Chicago 3, Illinois

29 on Readers' Service Card

VOL

53, NO. 7

•

JULY 1961

5 A