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学科主题: 物理化学
题名: High quality diesel-range alkanes production via a single-step hydrotreatment of vegetable oil over Ni/zeolite catalyst
作者: Wang, Congxin1;  Liu, Qianhe1, 2;  Song, Jie1, 2;  Li, Wei1, 2;  Li, Peng1;  Xu, Renshun1;  Ma, Huaijun1;  Tian, Zhijian1, 3
通讯作者: 田志坚
关键词: Alkane ;  Biomass ;  Single step ;  Deoxygenation ;  Isomerization ;  Zeolite
刊名: CATALYSIS TODAY
发表日期: 2014-10-01
DOI: 10.1016/j.cattod.2014.02.011
卷: 234, 期:1, 页:153-160
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: A single-step hydrotreatment of vegetable oil to produce high quality diesel-ranged alkanes over Ni/zeolite catalyst is devised. The Ni/zeolite catalysts prepared by incipient wetness impregnation method using SAPO-11, ZSM-5, ZSM-22, ZSM-23 and Beta zeolites as supports are evaluated in this single-step hydrotreatment process. The effects of the support and the metal loading amount are studied from the catalytic performance and characterization results obtained by techniques such as XRD, Physisorption, NH3-TPD and Pyridine-IR. Over the 8 wt%Ni/SAPO-11 catalyst, 100% conversion of soybean oil is obtained at 370 degrees C, 4 MPa and 1 h(-1), with an organic liquid yield of 74.8% which is nearly 90% of the maximum theoretical liquid yield. In the organic products, the alkane selectivity is 100%, and more than 85% isomerization selectivity is achieved. In order to learn the detailed scheme of the single-step hydrotreatment process, the intermediates have been analyzed from which reaction pathways are proposed and discussed. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: CHAIN NORMAL-PARAFFINS ;  HIGH-SILICA ZEOLITE ;  FRAMEWORK TOPOLOGY ;  MOLECULAR-SIEVES ;  PD/C CATALYST ;  BIODIESEL ;  ACID ;  HYDROISOMERIZATION ;  HYDRODEOXYGENATION ;  FUELS
语种: 英语
WOS记录号: WOS:000339132900020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144527
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, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Wang, Congxin,Liu, Qianhe,Song, Jie,et al. High quality diesel-range alkanes production via a single-step hydrotreatment of vegetable oil over Ni/zeolite catalyst[J]. CATALYSIS TODAY,2014,234(1):153-160.
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