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标题: Removal of Carbonyl Sulfide from Syngas Using a Novel Mixed-Oxide Sorbent
作者: Zhao, H (Zhao, H.); Zhang, D (Zhang, D.); Wang, F (Wang, F.); Wu, T (Wu, T.); Gao, J (Gao, J.)
来源出版物: ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS 卷: 32 期: 8 页: 759-768 DOI: 10.1080/15567030802606004 出版年: 2010
在 Web of Science 中的被引频次: 0
被引频次合计: 0
引用的参考文献数: 17
摘要: In order to develop a highly sulfur capacity and reactive COS removal sorbent from syngas, Fe-Mn-Ce oxides were studied in this work. The sorbents can remove COS from 1.5% to less than 0.3 mg/m(3) in appropriate conditions. Sulfur capacity of the fresh sorbent was about 20 gS/100 g sorbent in the temperature of 320-400 degrees C. Tests showed that Fe(2)O(3) was reduced to Fe(3)O(4) or FeO with the simulated syngas and the presence of Fe(3)O(4) can account for the high COS removal efficiency. The reactivity of the sorbent decreased when Fe(3)O(4) was partially reduced to FeO. It was found that the desulfurization behavior was also influenced by the calcination temperatures, desulfurization temperatures, and gas compositions. High calcination temperature has a negative effect on the desulfurization performance of the sorbent due to lower BET. Hydrogen favors the desulfurization efficiency, whereas CO exhibits a negative effect on the COS removal.
入藏号: WOS:000274220300007
