PROCESS AND APPARATUS FOR SEPARATING GASES

PROCESS AND APPARATUS FOR SEPARATING GASES

The invention relates to a process and apparatus for separation of gas mixtures with reduced maintenance costs. The process and the apparatus consist of a feed stream separation stage (1), and a retentate separation stage (2), of which both are membrane separation stages, wherein the first retentate...

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Hauptverfasser: WU, Zhimin, WILLEMANN, Ricardo Luiz, CHEN, Xiaojue
Format: Patent
Sprache:eng ; fre ; ger
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator WU, Zhimin
WILLEMANN, Ricardo Luiz
CHEN, Xiaojue
description The invention relates to a process and apparatus for separation of gas mixtures with reduced maintenance costs. The process and the apparatus consist of a feed stream separation stage (1), and a retentate separation stage (2), of which both are membrane separation stages, wherein the first retentate stream (7) is heated to temperature higher than the temperature of the feed stream (5), before it is introduced to the retentate separation stage (2), and the total capacity of the membranes used in the retentate separation stage (2) is higher than the total capacity of the membranes used in the feed stream stage (1).
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title PROCESS AND APPARATUS FOR SEPARATING GASES
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