Multi-stage, adsorption process for separating organic liquids f

Details Multi-stage, adsorption process for separating organic liquids f Multi-stage, adsorption process for separating organic liquids f

1981-03-23

1982-11-16

Cintins, Ivars C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

210694, 568917, B01D 1500

Patent

active

043595928

ABSTRACT:
Organic liquid-water solutions, such as 5-30 W % alcohol in water, are separated efficiently in a two-stage adsorption process using a bed of selected adsorbent material in each stage to produce a concentrated organic product. Each adsorbent is selected to effectively adsorb the minor component from the feed solution and thus provide a dehydrated alcohol product. In the first-stage adsorber bed, activated carbon is used to selectively adsorb the alcohol, after which the desorbed alcohol vapor is passed to a second-stage adsorber bed of molecular sieve adsorbent for virtually complete removal of the remaining water. The process provides a dehydrated alcohol liquid product preferably containing less than about 2 W % water, and requires low energy usage.

REFERENCES:
patent: 2474170 (1949-06-01), Sulzbacher
patent: 4130484 (1978-12-01), Marwil et al.

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