| Skeletal Isomerization and Inter—molecular Hydrogen Transfer Reactions in Catalytic Cracking |
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| 引用本文： | GaoYogcan ZhangJiushun 等.Skeletal Isomerization and Inter—molecular Hydrogen Transfer Reactions in Catalytic Cracking[J].中国炼油与石油化工,2002(1):33-39. |
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| 作者姓名： | GaoYogcan ZhangJiushun |
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| 作者单位： | ResearchInstituteofPetroleumProcessing,Bejing100083 |
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| 摘 要： | Bimolecular hydrogen transfer and skeletal isomerization the important secondary reac-tions among catalytic cracking reactions,which affect product yield distribution and product quality,Catalyst properties and operating parameters have great impact on bimolecular hydrogen transfer and skeletal isomerization reactions .Bimolecular hydrogen transfer activity and skeletal isomrization activity of USY-containing catalysts are higher thn that of ZSM-5-containing catalyst.Coke deposition on the active sites of catalyst may suppress bimolecular hydrogen transfer activity and skeletal isomer-ization activity of catlys in different degrees.Short raction time causes a decrease of hydrogen trans-fer reaction,but and increase of skeletal isomerization reaction compared to cracking reaction in catalytic cracking process.
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| 关 键 词： | 催化裂化 骨架异构化 焦碳沉积作用 氢转移 炼油工艺过程 石油炼制 |
Skeletal Isomerization and Inter-molecular Hydrogen Transfer Reactions in Catalytic Cracking |
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| Gao Yongcan,Zhang Jiushun,Xie Chaogang,Long Jun.Skeletal Isomerization and Inter-molecular Hydrogen Transfer Reactions in Catalytic Cracking[J].China Petroleum Processing and Petrochemical Technology,2002(1):33-39. |
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| Authors: | Gao Yongcan Zhang Jiushun Xie Chaogang Long Jun |
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| Abstract: | Bimolecular hydrogen transfer and skeletal isomerization are the important secondary reac tions among catalytic cracking reactions, which affect product yield distribution and product quality.Catalyst properties and operating parameters have great impact on bimolecular hydrogen transfer and skeletal isomerization reactions. Bimolecular hydrogen transfer activity and skeletal isomerization activity of USY-containing catalysts are higher than that of ZSM-5-containing catalyst. Coke deposition on the active sites of catalyst may suppress bimolecular hydrogen transfer activity and skeletal isomerization activity of catalyst in different degrees. Short reaction time causes a decrease of hydrogen trans fer reaction, but an increase of skeletal isomerization reaction compared to cracking reaction in catalytic cracking process. |
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| Keywords: | Catalytic cracking hydrogen transfer skeletal isomerization coke deposition |
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