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This report describes the results of a Cooperative Research and Development Agreement (CRADA) between TDA Incorporated and the Federal Energy Technology Center (FETC) in Morgantown, West Virginia. The objective of this CRADA was to evaluate the performance of TDA`s hot gas desulfurization (HGD) sorbent for use in fossil fuel gasification processes. This particular sorbent, TNT-MB was developed for use in moving-bed HGD reactors in an integrated gasification combined cycle (IGCC) power plant. Two separate tests were conducted; a 10-cycle test, and a low-temperature scoping test. All 10 cycles absorbed H{sub 2}S for the prescribed 125 minutes without breakthrough. The H{sub 2}S concentration remained below 50 ppmv throughout the 125 minute test period. The sorbent showed an increase in attrition resistance from 1.8% (fresh) to 0.87% (reactor inlet) and 0.64% (reactor outlet) after 10 cycles. The results of an additional attrition test are also contained in this report

[TDA`s hot gas desulfurization sorbent]. TDA Inc./FETC CRADA No. 97-F003, final report