The distribution of coke formed over a multilayer Mo/HZSM-5 fixed bed in H2 co-fed methane aromatization at 1073 K: Exploration of the coking pathway
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- 作者：Yang Songa ; b ; Yuebing Xua ; Yoshizo Suzukia ; Hideki Nakagomeb ; Xiaoxun Mac ; Zhan-Guo Zhanga ; z.zhang@aist.go.jp" class="auth_mail" title="E-mail the corresponding author
- 关键词：Methane dehydroaromatization ; Mo/HZSM-5 ; H2 addition ; Coke distribution ; Coking pathways
- 刊名：Journal of Catalysis
- 出版年：2015
- 出版时间：October 2015
- 年：2015
- 卷：330
- 期：Complete
- 页码：261-272
- 全文大小：1518 K
文摘
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Nonuniform coke distribution forms in a multilayer bed of Mo/HZSM-5 in MDA.
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Absolute coke content decreases from its inlet to its outlet layer.
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Coke content per unit aromatics productivity increases from inlet to outlet.
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Outlet benzene concentration increases whereas C2H4 concentration decreases with bed height.
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Secondary cracking of C2H4 proves to be the main coking pathway.
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