METHOD AND SYSTEM FOR PRE-PURIFICATION OF A FEED GAS STREAM

METHOD AND SYSTEM FOR PRE-PURIFICATION OF A FEED GAS STREAM

A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon mon...

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Hauptverfasser: Grahl, Matthias, Selover, Arthur C, Mancini, Ralph J, Schneider, Helko, Celik, Cem E, Vemuri, Sesha Hari
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Sprache:eng
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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creator Grahl, Matthias
Selover, Arthur C
Mancini, Ralph J
Schneider, Helko
Celik, Cem E
Vemuri, Sesha Hari
description A system and method of pre-purification of a feed gas stream is provided that is particularly suitable for pre-purification of a feed air stream in cryogenic air separation unit. The disclosed pre-purification systems and methods are configured to remove substantially all of the hydrogen, carbon monoxide, water, and carbon dioxide impurities from a feed air stream and is particularly suitable for use in a high purity or ultra-high purity nitrogen plant. The pre-purification systems and methods preferably employ two or more separate layers of hopcalite catalyst with the successive layers of the hopcalite separated by a zeolite adsorbent layer that removes water and carbon dioxide produced in the hopcalite layers.
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
title METHOD AND SYSTEM FOR PRE-PURIFICATION OF A FEED GAS STREAM
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