Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1990-12-28
1991-12-10
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 23, 55 68, 55158, B01D 5322
Patent
active
050714511
ABSTRACT:
A membrane process and system for removing condensable vapors from gas streams is disclosed. The process includes a membrane separation step and a condensation or other recovery step. An auxiliary membrane module or set of modules is installed across the pump and condenser on the downstream side of the main membrane unit. This module takes as its feed the vent gas from the condenser, and returns a vapor-enriched stream upstream of the pump and condenser. The module can be sized to produce a discharge stream containing the vapor in about the same concentration as the feed to be treated. This discharge stream can then be mixed with the feed without adverse effect on the efficiency of the system.
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Farrant J.
Membrane Technology & Research Inc.
Spitzer Robert
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