The Effect of IGFC Warm Gas Cleanup System Conditions on the Gas-Solid Partitioning and Form of Trace Species in Coal Syngas and their Interactions with SOFC Anodes
The U.S. Department of Energy is currently working on coupling coal gasification and high temperature fuel cell to produce electrical power in a highly efficient manner while being emissions free. Many investigations have already investigated the effects of major coal syngas species such as CO and H2S. However coal contains many trace species and the effect of these species on solid oxide fuel cell anode is not presently known. Warm gas cleanup systems are planned to be used with these advanced power generation systems for the removal of major constituents such as H2S and HCl but the operational parameters of such systems is not well defined at this point in time. This paper focuses on the effect of anticipated warm gas cleanup conditions has on trace specie partitioning between the vapor and condensed phase and the effects the trace vapor species have on the SOFC anode. Results show that Be, Cr, K, Na, V, and Z trace species will form condensed phases and should not effect SOFC anode performance since it is anticipated that the warm gas cleanup systems will have a high removal efficiency of particulate matter. Also the results show that Sb, As, Cd, Hg, Pb, P, and Se trace species form vapor phases and the Sb, As, and P vapor phase species show the ability to form secondary Ni phases in the SOFC anode.
J. P. Trembly et al., "The Effect of IGFC Warm Gas Cleanup System Conditions on the Gas-Solid Partitioning and Form of Trace Species in Coal Syngas and their Interactions with SOFC Anodes," Journal of Power Sources, vol. 163, no. 2, pp. 986-996, Elsevier B.V, Jan 2007.
The definitive version is available at https://doi.org/10.1016/j.jpowsour.2006.10.020
Mechanical and Aerospace Engineering
Keywords and Phrases
Coal; Fuel Cell; Solid Oxide; Syngas; Trace Specie
International Standard Serial Number (ISSN)
Article - Journal
© 2007 Elsevier B.V, All rights reserved.
01 Jan 2007