Multi-stage pervaporation process run at progressively higher va

Details Multi-stage pervaporation process run at progressively higher va Multi-stage pervaporation process run at progressively higher va

1989-02-27

1990-10-09

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By membrane, selective septum, or coalescer

208308, 210640, 210641, 55158, 55342, C02F 144

Patent

active

049622706

ABSTRACT:
Improved separation of feed streams containing multiple components is effected by means of a multi membrane staged pervaporation process wherein each membrane stage is series is run as progressively higher temperature, stronger vacuum or both than the preceding stage. This process is especially useful for separating components from wide boiling range mixtures.

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