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题名: Preparation and property of low coke yield resid catalytic cracking catalyst
作者: Zhang, JM;  Wang, XP;  Xie, P;  Li, MZ;  Zhang, JL;  Yang, Y;  Liu, ZM
关键词: resid ;  catalytic cracking ;  ultrastable Y zeolite ;  coke yield ;  silica-alumina ratio
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2005-12-01
卷: 26, 期:12, 页:1053-1058
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 series of ultrastable Y zeolite samples (FSY) with high Si/Al ratio were prepared. The acid site amount of FSY samples could be effectively adjusted by dealumination with (NH4)(2)SiF6 and hydrothermal treatment. Therefore, the FSY sample with a suitable amount of acid sites and definite acidity could be expected. After being modified by lanthanum, the LaFSY zeolite with more strong acid sites and less weak acid sites was obtained, and it showed a high activity and gave a low coke yield in resid fluid catalytic cracking (RFCC). After being aged in 100 % water vapor at 800 degrees C for 17 h, the catalyst with the LaFSY zeolite as the active component gave a total liquid yield of 88.9% and coke yield of 7.5% in the RFCC reaction of Daqing resid. Compared with another generally used industrial catalyst that gave a total liquid yield of 85.4% and coke yield of 9.0%, the LaFSY catalyst could be considered as a better catalyst for RFCC.
关键词[WOS]: Y-ZEOLITES ;  FRAMEWORK ALUMINUM ;  CRYSTALLINE ALUMINOSILICATES ;  HYDROTHERMAL DEALUMINATION ;  GAS-OIL ;  FAUJASITES ;  CHEMISTRY ;  SILICON ;  SEEDS ;  BANDS
语种: 英语
WOS记录号: WOS:000234620700005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139723
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.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Zhang, JM,Wang, XP,Xie, P,et al. Preparation and property of low coke yield resid catalytic cracking catalyst[J]. CHINESE JOURNAL OF CATALYSIS,2005,26(12):1053-1058.
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