Effect of in-situ sulfur poisoning on zinc-containing spinel-supported cobalt CO hydrogenation catalyst
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- 作者：Zhenxin Liu ; zhenxinliu@zzuli.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Depeng Wu ; Yu Xing ; yuxing@zzuli.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Xuehui Guo ; Shaoming Fang ; smfang@zzuli.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：CO hydrogenation ; Cobalt catalyst ; Sulfur poisoning ; Deactivation ; Fischer-Tropsch synthesis
- 刊名：Applied Catalysis A: General
- 出版年：2016
- 出版时间：25 March 2016
- 年：2016
- 卷：514
- 期：Complete
- 页码：164-172
- 全文大小：2465 K
文摘
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In-situ addition of 0.1–1, 10, 100 and 300 ppmv of sulfur over Co/ZnAl2O4·Al2O3.
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CS2 may poison both Co/ZnAl2O4·Al2O3 and conventional Co/γ-Al2O3 catalysts.
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0.1–1 ppmv of S does not have a significant negative effect on catalyst activity.
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At 100 ppmv S, the deactivation of Co/ZnAl2O4·Al2O3 is reversible to some extent.
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Rate of S sorption by Co/ZnAl2O4·Al2O3 is 3.1 times higher than that by Co/γ-Al2O3.