Method of recovering adsorbed liquid compounds from molecular si

Details Method of recovering adsorbed liquid compounds from molecular si Method of recovering adsorbed liquid compounds from molecular si

1982-05-28

1983-12-20

Cintins, Ivars C.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210689, 210691, 502 56, B01J 2034

Patent

active

044216513

ABSTRACT:
Molecularly adsorbed volatile liquid compounds are recovered from molecular sieve adsorbent columns by directionally applying microwave energy to the bed of the adsorbent to produce a mixed liquid-gas effluent. The gas portion of the effluent generates pressure within the bed to promote the discharge of the effluent from the column bottoms. Preferably the discharged liquid-gas effluent is collected in two to three separate fractions, the second or intermediate fraction having a substantially higher concentration of the desorbed compound than the first or third fractions. The desorption does not need to be assisted by passing a carrier gas through the bed or by applying reduced pressure to the outlet from the bed.

REFERENCES:
patent: 4157267 (1979-06-01), Odawara et al.
patent: 4277635 (1981-07-01), Oulman et al.
patent: 4312640 (1982-01-01), Verrando
patent: 4312641 (1982-01-01), Verrando et al.
patent: 4322394 (1982-03-01), Mezey et al.

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