| 简化晶种导向液法合成低硅铝比SAPO-34分子筛 |
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| 引用本文： | 张强,马晓月,刘璐,陈艳红.简化晶种导向液法合成低硅铝比SAPO-34分子筛[J].中国石油大学学报(自然科学版),2019(1):154-161. |
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| 作者姓名： | 张强 马晓月 刘璐 陈艳红 |
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| 作者单位： | 中国石油大学(华东)重质油国家重点实验室;东营市海科新源化工有限责任公司;中国石油大学胜利学院化学工程学院 |
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| 基金项目： | 国家自然科学基金项目(21406270) |
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| 摘 要： | 用三乙胺为模板剂,采用简化晶种导向液法制备低硅铝比的SAPO-34分子筛,利用XRD、SEM、TPD和NMR等手段分析分子筛的性质,并与常规的晶种法进行对比。结果表明:晶种法需要在36 h内完成晶化,晶粒粒径约为2μm;而简化晶种导向法液法所需晶化时间仅为24 h,晶粒粒径约3. 5μm;与晶种法相比,简化晶种导向液法合成的分子筛具有相对较弱的酸性,其甲醇转化制乙烯和丙烯选择性高出4%。
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| 关 键 词： | 低硅铝比 SAPO-34分子筛 三乙胺 甲醇制烯烃 晶种法 简化晶种导向液法 |
SAPO-34 molecular sieves with low ratio of Si/Al synthesized by simplified seed induced agent method |
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| ZHANG Qiang,MA Xiaoyue,LIU Lu,CHEN Yanhong.SAPO-34 molecular sieves with low ratio of Si/Al synthesized by simplified seed induced agent method[J].Journal of China University of Petroleum,2019(1):154-161. |
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| Authors: | ZHANG Qiang MA Xiaoyue LIU Lu CHEN Yanhong |
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| Institution: | (State Key Laboratory of Heavy Oil Processing in China University of Petroleum(East China),Qingdao 266580,China;Dongying Haike Spring Chemical Limited Liability Company,Dongying 257000,China;School of Chemical Engineering in Shengli College of China University of Petroleum,Dongying 257061,China) |
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| Abstract: | ZHANG Qiang;MA Xiaoyue;LIU Lu;CHEN Yanhong(State Key Laboratory of Heavy Oil Processing in China University of Petroleum(East China),Qingdao 266580,China;Dongying Haike Spring Chemical Limited Liability Company,Dongying 257000,China;School of Chemical Engineering in Shengli College of China University of Petroleum,Dongying 257061,China) |
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| Keywords: | low silicon-aluminium ratio SAPO-34 molecular sieves trimethylamine methanol-to-olefin seed method simplified seed induced agent method |
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