Novel thermal swing sorption enhanced reaction process for simultaneous production of fuel-cell grade H2 and compressed CO2 from synthesis gas

Ki Bong Lee, Michael G. Beaver, Hugo S. Caram, Shivaji Sircar

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Synthesis gas produced from coal gasification can be used to produce hydrogen through water gas shift (WGS) reaction and purification procedures. A study on the Thermal Swing Sorption Enhanced Reaction that simultaneously carries out the WGS reaction and the separation of CO2 from the reaction zone by using a novel CO2 chemisorbent in a single unit operation was carried out. The new process produced a fuel-cell grade hydrogen and compressed CO2 as a by-product gas. The simultaneous removal of CO2 during WGS reaction circumvented the thermodynamic limitation and shifted equilibrium to the right resulting in the enhancement of the extent of the forward reaction. Thus, a pure hydrogen stream could be directly produced, and the process is simpler and potentially more economical than the conventional WGS. This is an abstract of a paper presented at the 2007 AIChE Annual Meeting (Salt Lake City, UT 11/4-9/2007).

Original languageEnglish
Title of host publication2007 AIChE Annual Meeting
Publication statusPublished - 2007 Dec 1
Externally publishedYes
Event2007 AIChE Annual Meeting - Salt Lake City, UT, United States
Duration: 2007 Nov 42007 Nov 9

Other

Other2007 AIChE Annual Meeting
CountryUnited States
CitySalt Lake City, UT
Period07/11/407/11/9

Fingerprint

Water gas shift
Synthesis gas
Sorption
Fuel cells
Hot Temperature
Gases
Hydrogen
Water
Coal gasification
Purification
Byproducts
Coal
Thermodynamics

ASJC Scopus subject areas

  • Biotechnology
  • Chemical Engineering(all)
  • Bioengineering
  • Safety, Risk, Reliability and Quality

Cite this

Novel thermal swing sorption enhanced reaction process for simultaneous production of fuel-cell grade H2 and compressed CO2 from synthesis gas. / Lee, Ki Bong; Beaver, Michael G.; Caram, Hugo S.; Sircar, Shivaji.

2007 AIChE Annual Meeting. 2007.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lee, KB, Beaver, MG, Caram, HS & Sircar, S 2007, Novel thermal swing sorption enhanced reaction process for simultaneous production of fuel-cell grade H2 and compressed CO2 from synthesis gas. in 2007 AIChE Annual Meeting. 2007 AIChE Annual Meeting, Salt Lake City, UT, United States, 07/11/4.
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