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学科主题: 物理化学
题名: Influence of reaction conditions on the aromatization of cofeeding n-butane with methanol over the Zn loaded ZSM-5/ZSM-11 zeolite catalyst
作者: Song, Chao1, 2;  Liu, Shenglin1;  Li, Xiujie1;  Xie, Sujuan1;  Liu, Zhigang3;  Xu, Longya1
通讯作者: 徐龙伢
关键词: Methanol ;  n-Butane ;  Aromatization ;  Cofeeding ;  Improvement coefficient
刊名: FUEL PROCESSING TECHNOLOGY
发表日期: 2014-10-01
DOI: 10.1016/j.fuproc.2014.04.018
卷: 126, 期:1, 页:60-65
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: The aromatization of cofeeding n-butane with methanol was investigated in a fixed bed reactor over the Zn loaded ZSM-5/ZSM-11 zeolite catalyst. Compared with the methanol and n-butane aromatizations, individually, the introduction of methanol in n-butane effectively suppresses the formation of dry gas and promotes that of LPG, since water produced from methanol dehydration may adsorb on the active sites of the catalyst and therefore inhibits the cracking reaction. The improvement effect of cofeeding n-butane with methanol in the integrated process is mainly discussed in terms of the concept of product improvement coefficient. It is found that the synergy between aromatization of methanol and that of n-butane is closely related to the reaction conditions, such as the cofeeding composition, pressure, temperature, and space velocity. Under the selected reaction conditions of 480 degrees C, 0.4 MPa, WHSV (CH2) = 0.6 h(-1) with an n-butane/methanol ratio of 60/40 over the catalyst, the selectivity of aromatics can be effectively improved. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: HZSM-5 ZEOLITE ;  2-METHYLPENTANE CRACKING ;  STEAM DILUTION ;  ZSM-5 ZEOLITES ;  LIGHT ALKANES ;  HYDROCARBONS ;  CONVERSION ;  TRANSFORMATION ;  TEMPERATURE ;  SELECTIVITY
语种: 英语
WOS记录号: WOS:000340329600007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144395
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Fushun Petrochem Co PetroChina, Fushun 113008, Peoples R China

Recommended Citation:
Song, Chao,Liu, Shenglin,Li, Xiujie,et al. Influence of reaction conditions on the aromatization of cofeeding n-butane with methanol over the Zn loaded ZSM-5/ZSM-11 zeolite catalyst[J]. FUEL PROCESSING TECHNOLOGY,2014,126(1):60-65.
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