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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.
Inventors:
; ; ; ; ;
Issue Date:
OSTI Identifier:
1407954
Assignee:
Air Products and Chemicals, Inc. NETL
Patent Number(s):
9,808,755
Application Number:
14/808,069
Contract Number:
FE0013363
Resource Relation:
Patent File Date: 2015 Jul 24
Research Org:
Air Products and Chemicals, Inc. Allentown, PA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English

Other works cited in this record:

Selective Adsorption Process
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Absorption Process for Gas Separation
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patent, March 1995

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patent, January 1996

Pressure swing adsorption system for ammonia synthesis
patent, January 1998

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patent, August 1999

Pressure swing adsorption process and system utilizing two product storage tanks
patent, August 2000

Pressure swing adsorption process and system with dual product storage tanks
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PSA process for removal of bulk carbon dioxide from a wet high-temperature gas
patent, November 2001

Acid gas enrichment process
patent, December 2006

Pressure swing adsorption cycle for ozone production
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Separation of a sour syngas stream
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Ozone production by pressure swing adsorption using a noble gas additive
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Low Energy Cyclic PSA Process
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Pressure Swing Adsorption Process in Coal to Fischer–Tropsch Fuels with CO2 Capture
journal, January 2012
  • Ribeiro, Ana M.; Santos, João C.; Rodrigues, Alírio E.
  • Energy & Fuels, Vol. 26, Issue 2, p. 1246-1253
  • DOI: 10.1021/ef201650r

Effect of Rinse and Recycle Methods on the Pressure Swing Adsorption Process To Recover CO2 from Power Plant Flue Gas Using Activated Carbon
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Carbon Molecular Sieves for Hydrocarbon Separations by Adsorption
journal, August 2005
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Numerical Analysis on the Power Consumption of the PSA Process for Recovering CO2 from Flue Gas
journal, August 2002
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Carbon Capture by Sorption-Enhanced Water−Gas Shift Reaction Process using Hydrotalcite-Based Material
journal, May 2009
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  • Industrial & Engineering Chemistry Research, Vol. 48, Issue 9, p. 4184-4193
  • DOI: 10.1021/ie801713a

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