Pervaporation apparatus and process

Details Pervaporation apparatus and process Pervaporation apparatus and process

1991-12-23

1995-05-23

Spear, Frank

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Material level or thickness responsive

210 962, 210141, 2101952, 210259, B01D 6136

Patent

active

054178479

ABSTRACT:
A pervaporation apparatus and process adapted to handle a diverse range of feed stream compositions and volumes. The apparatus includes a pervaporation unit and condenser, one or more tanks and a control system to direct liquid flows within the apparatus according to the chosen processing scheme. The apparatus and process can achieve separation performance comparable to a one-stage, two-stage, two-step or more complicated pervaporation system, including those in which two-phase permeates are produced.

REFERENCES:
patent: 4341629 (1982-07-01), Uhlinger
patent: 4788043 (1988-11-01), Kagiyama et al.
patent: 4806245 (1989-02-01), Boddeker
patent: 4885095 (1989-12-01), Rich
patent: 5108549 (1992-04-01), Wenzlaff et al,
patent: 5131266 (1992-07-01), Hassett
patent: 5266206 (1993-11-01), Baker et al.
Batch Operation for Purification of Solvents which Contain Water: Pervaporation Membranes Plants, P. Therre, H. E. A. Bruschke, Chemie-Technik, 20, No. 3, pp. 63-64.

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