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Title: Sour pressure swing adsorption process

Methods and apparatuses for separating CO.sub.2 and sulfur-containing compounds from a synthesis gas obtained from gasification of a carbonaceous feedstock. The primary separating steps are performed using a sour pressure swing adsorption (SPSA) system, followed by an acid gas enrichment system and a sulfur removal unit. The SPSA system includes multiple pressure equalization steps and a rinse step using a rinse gas that is supplied from a source other than directly from one of the adsorber beds of the SPSA system.
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Issue Date:
OSTI Identifier:
Air Products and Chemicals, Inc. NETL
Patent Number(s):
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Resource Relation:
Patent File Date: 2015 Jul 24
Research Org:
Air Products and Chemicals, Inc. Allentown, PA (United States)
Sponsoring Org:
Country of Publication:
United States

Works referenced in this record:

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