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Effects of NaOH solution treatment on the catalytic performances of MCM-49 in liquid alkylation of benzene with ethylene
Liu, Kefeng2; Xie, Sujuan; Xu, Guoliang; Li, Yuning; Liu, Shenglin; Xu, Longya1
关键词Mcm-49 Alkali-treatment Benzene Ethylene Liquid Alkylation
刊名APPLIED CATALYSIS A-GENERAL
2010-07-31
DOI10.1016/j.apcata.2010.05.029
383期:1-2页:102-111
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
类目[WOS]Chemistry, Physical ; Environmental Sciences
研究领域[WOS]Chemistry ; Environmental Sciences & Ecology
关键词[WOS]DIFFERENT ALUMINUM CONTENT ; HIGH-SILICA ZEOLITES ; PHASE ALKYLATION ; ZSM-5 ZEOLITE ; MFI ZEOLITES ; METHANE DEHYDROAROMATIZATION ; MESOPOROSITY DEVELOPMENT ; ALKALINE-SOLUTIONS ; DESILICATION ; ACID
英文摘要MCM-49 zeolite was alkali-treated with NaOH solutions under mild and severe conditions. The samples before and after alkali-treatment were both used as catalysts in liquid alkylation reaction of benzene with ethylene. XRD, XRF, TPD, TPO, IR, SEM, (29)Si NMR, N(2) adsorption and desorption techniques were employed to characterize the samples. The mildly alkali-treated samples exhibited higher catalytic stability than the parent HMCM-49, as the amorphous particles on the MCM-49 crystal surface were cleaned and the diffusion of the reactant and product was enhanced. The severe alkali-treatment condition resulted in the selective extraction of silicon atoms and the introduction of extra mesopores. The catalytic stability of the catalysts that had been severely alkali-treated was not as good as that of mildly treated ones, but was still better than that of the parent HMCM-49 catalyst if the alkali-treatment conditions were not too severe. (C) 2010 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000280624900013
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141768
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Grp 804, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Liu, Kefeng,Xie, Sujuan,Xu, Guoliang,et al. Effects of NaOH solution treatment on the catalytic performances of MCM-49 in liquid alkylation of benzene with ethylene[J]. APPLIED CATALYSIS A-GENERAL,2010,383(1-2):102-111.
APA Liu, Kefeng,Xie, Sujuan,Xu, Guoliang,Li, Yuning,Liu, Shenglin,&Xu, Longya.(2010).Effects of NaOH solution treatment on the catalytic performances of MCM-49 in liquid alkylation of benzene with ethylene.APPLIED CATALYSIS A-GENERAL,383(1-2),102-111.
MLA Liu, Kefeng,et al."Effects of NaOH solution treatment on the catalytic performances of MCM-49 in liquid alkylation of benzene with ethylene".APPLIED CATALYSIS A-GENERAL 383.1-2(2010):102-111.
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