32 A
INDUSTRIAL
AND
ENGINEERING
CHEMISTRY
Vol. 41, No. 5
CAN I MAKE •
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3
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PROCESS CONTINUOUS?
"The sulphite used in converting wood pulp into paper formerly was discharged to waste, and the wood sugar in the pulp liquor was not utilized. Now sulphite liquor, once regarded as useless, yields ethanol, methanol and fusel oil. T w o years after one plant started to process the sulphite liquor, 7500 gallons of ethyl alcohol were being produced daily.
De Laval Yeast Separators, in which I — D e Laval Centrifugal Force — make continuous separation possible."
" I n the fermentation stage the yeast is separated from the beer by
Can De Laval Centrifugal Force be put to work for you?
Ask
lleti" for Βυ
IS-V
H e r e is a good example of putting well known principles of production to a new use. Centrifugal force is usually able to speed up a separation process, and often, in doing so, im proves the quality of the product.
THE DE LAVAL SEPARATOR COMPANY 165 Broadway, New York 6 427 Randolph St., Chicago 6 DE L A V A L PACIFIC CO., 61 Beale St., San Francisco 5 THE DE L A V A L C O M P A N Y , Limited, Peterborough,Ont
DE LAVAL ^rocess/nq
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