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Title: A combined catalyst and sorbent for enhancing hydrogen production from coal or biomass

Abstract

Future large-scale production of H{sub 2} for use as a clean fuel will likely depend upon gasifying coal or biomass followed by steam reforming the resulting gas mixture and separating the CO{sub 2} byproduct. The process of steam reforming and CO{sub 2} separation can be greatly simplified by utilizing a new material that combines a reforming catalyst with a sorbent for CO{sub 2}. Such a material was prepared in the form of small pellets with cores made of calcium and magnesium oxides and shells made largely of alumina impregnated with a nickel catalyst. Subsequent laboratory performance tests of the material showed that CO, CH{sub 4}, and toluene, which are representative products of gasification, were largely converted to H{sub 2} by reacting the material with steam in the presence of the catalyst/sorbent, so that CO{sub 2} was absorbed as it was produced. The sorbent was easily regenerated by raising its temperature, which made it possible to reuse the catalyst/sorbent repeatedly. 14 refs., 4 figs., 1 tab.

Authors:
; ;  [1]
  1. Iowa State University, Ames, IA (United States). Chemical and Biological Engineering Department and Center for Sustainable Environmental Technologies
Publication Date:
OSTI Identifier:
20862171
Resource Type:
Journal Article
Resource Relation:
Journal Name: Energy and Fuels; Journal Volume: 21; Journal Issue: 1; Other Information: whell@iastate.edu
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; 01 COAL, LIGNITE, AND PEAT; 09 BIOMASS FUELS; CATALYSTS; HYDROGEN PRODUCTION; BIOMASS; GASIFICATION; COAL GASIFICATION; STEAM REFORMER PROCESSES; CARBON DIOXIDE; CAPTURE; ABSORBENTS; CALCIUM OXIDES; MAGNESIUM OXIDES; ALUMINIUM OXIDES; NICKEL

Citation Formats

Justinus A. Satrio, Brent H. Shanks, and Thomas D. Wheelock. A combined catalyst and sorbent for enhancing hydrogen production from coal or biomass. United States: N. p., 2007. Web. doi:10.1021/ef060132z.
Justinus A. Satrio, Brent H. Shanks, & Thomas D. Wheelock. A combined catalyst and sorbent for enhancing hydrogen production from coal or biomass. United States. doi:10.1021/ef060132z.
Justinus A. Satrio, Brent H. Shanks, and Thomas D. Wheelock. Mon . "A combined catalyst and sorbent for enhancing hydrogen production from coal or biomass". United States. doi:10.1021/ef060132z.
@article{osti_20862171,
title = {A combined catalyst and sorbent for enhancing hydrogen production from coal or biomass},
author = {Justinus A. Satrio and Brent H. Shanks and Thomas D. Wheelock},
abstractNote = {Future large-scale production of H{sub 2} for use as a clean fuel will likely depend upon gasifying coal or biomass followed by steam reforming the resulting gas mixture and separating the CO{sub 2} byproduct. The process of steam reforming and CO{sub 2} separation can be greatly simplified by utilizing a new material that combines a reforming catalyst with a sorbent for CO{sub 2}. Such a material was prepared in the form of small pellets with cores made of calcium and magnesium oxides and shells made largely of alumina impregnated with a nickel catalyst. Subsequent laboratory performance tests of the material showed that CO, CH{sub 4}, and toluene, which are representative products of gasification, were largely converted to H{sub 2} by reacting the material with steam in the presence of the catalyst/sorbent, so that CO{sub 2} was absorbed as it was produced. The sorbent was easily regenerated by raising its temperature, which made it possible to reuse the catalyst/sorbent repeatedly. 14 refs., 4 figs., 1 tab.},
doi = {10.1021/ef060132z},
journal = {Energy and Fuels},
number = 1,
volume = 21,
place = {United States},
year = {Mon Jan 15 00:00:00 EST 2007},
month = {Mon Jan 15 00:00:00 EST 2007}
}