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题名: Direct synthesis of NaY zeolite with small crystal size via hydrothermal method without seed gel
作者: Hu Linyan;  Xie Sujuan;  Wang Qingxia;  Liu Shenglin;  Xu Longya
关键词: direct synthesis ;  hydrothermal method ;  NaY zeolite ;  small crystal size ;  butene ;  aromatization
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2007-09-01
卷: 28, 期:9, 页:761-765
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: The Nay zeolite with small crystal size between 0. 30 and 0. 35 mu m could be directly synthesized by the hydrothermal method, using sodium aluminate and silica sol as the main raw materials without seed gel or organic additives under hydrothermal conditions. The molar composition of reactants was 5. 1 Na2O center dot Al2O3 center dot 10 SiO2 center dot (140-220) H2O, and the reaction system was aged at room temperature for 3 d and was then crystallized at 100 degrees C for 9 h). The NaY zeolite samples were characterized by XRD, SEM, XRF, and DLS techniques. The samples have uniform granularity and good dispersibility. The catalytic performance of two La/Y catalyst samples with different crystal sizes for 1-butene pulse aromatization was measured. The La/Y catalyst sample with smaller crystal size has better aromatization stability, coke accommodation capability, and resistance ability to coke deposition.
语种: 英语
WOS记录号: WOS:000250327900005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140451
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 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Hu Linyan,Xie Sujuan,Wang Qingxia,et al. Direct synthesis of NaY zeolite with small crystal size via hydrothermal method without seed gel[J]. CHINESE JOURNAL OF CATALYSIS,2007,28(9):761-765.
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