Preparation of NiMo/KIT-6 hydrodesulfurization catalysts with tunable sulfidation and dispersion degrees of active phase by addition of citric acid as chelating agent
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- 作者：Huadong Wu ; Aijun Duan ; 1 ; duanaijun@cup.edu.cn" class="auth_mail ; Zhen Zhao ; zhenzhao@cup.edu.cn" class="auth_mail ; Dinghong Qi ; Jianmei Li ; Bing Liu ; Guiyuan Jiang ; Jian Liu ; Yuechang Wei ; Xiao Zhang
- 关键词：Citric acid ; NiMo catalysts ; KIT-6 mesoporous material ; Hydrodesulfurization ; 4 ; 6-Dimethyldibenzothiophene
- 刊名：Fuel
- 出版年：15 August 2014
- 年：2014
- 卷：130
- 期：Complete
- 页码：203-210
- 全文大小：3659 K
文摘
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NiMo catalysts supported on KIT-6 were firstly prepared with citric acid (CA).
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Dispersion of metal species was improved and could be tuned by the addition of CA.
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NiMoKC2 showed the highest hydrogenation and 4,6-DMDBT HDS activity at CA/Ni = 2.
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The effects of CA on the characteristics and activities of catalysts were deeply studied.
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