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Development of a Calicum-Based Sorbent for Hot Gas Cleanup [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 1997.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
27 pages : digital, PDF file
Additional Creators:
Ames Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Further review of the technical literature has provided additional information which will support the development of a superior calcium-based sorbent for hot gas cleanup in IGCC systems. Two general methods of sorbent preparation are being investigated. One method involves impregnating a porous refractory substrate with calcium while another method involves pelletizing lime or other calcium containing materials with a suitable binder. Several potential substrates, which are made of alumina and are commercially available, have been characterized by various methods. The surface area and apparent density of the materials have been measured, and it has been shown that some of the high surface area materials (i.e., 200-400 m₂/g) undergo a large decrease in surface area when heated to higher temperatures. Some of the lower surface area materials (i.e., 1-30 m₂/g) have been successfully impregnated with calcium by soaking them in a calcium nitrate solution and then heat treating them to decompose the nitrate. Potentially useful sorbents have also been prepared by pelletizing type I Portland cement and mixtures of cement and lime.
Report Numbers:
E 1.99:doe/pc/96203--t2
doe/pc/96203--t2
Subject(s):
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Note:
Published through SciTech Connect.
09/01/1997.
"doe/pc/96203--t2"
"DE98050351"
Wheelock, T.W.; Roe, R.; Zhu, J.; Constant, K.; Doraiswamy, L.K.; Akiti, T.; Amanda, A.
Funding Information:
FG22-96PC96203
View MARC record | catkey: 13834193