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Ionothermal synthesis of a CHA-type aluminophosphate molecular sieve membrane and its formation mechanism
Li, Xiaolei1,2; Li, Keda1; Ma, Huaijun1; Xu, Renshun1; Tao, Shuo1,2; Tian, Zhijian1,3
关键词Aluminophosphate Ionothermal Synthesis Cha Membrane Formation Mechanism Solid Transformation
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2015-11-15
DOI10.1016/j.micromeso.2015.06.005
217页:54-62
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 ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]PHASE TRANSPORT METHOD ; SAPO-34 MEMBRANES ; IONIC LIQUIDS ; CRYSTALLIZATION MECHANISM ; COMPOSITE MEMBRANES ; ZEOLITE ; SEPARATION ; FILMS ; ORIENTATION ; PERFORMANCE
英文摘要A gas permeable CHA-type aluminophosphate molecular sieve membrane was ionothermally synthesized on a porous delta-alumina substrate through the so-called "substrate surface conversion" method. The synthetic conditions for this specific membrane were optimized. The temperature, time and the amounts of H3PO4 and HF in the initial synthesis solution were investigated. X-ray diffraction (XRD), scanning electron microscopy (SEM) and gas permeation were performed to characterize the entire formation process for the CHA-type molecular sieve membrane. A formation mechanism of the "substrate surface conversion" method was proposed. The transformation of the gel layer to the CHA membrane via a solid transformation mechanism was suggested. (C) 2015 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000360596100008
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146505
专题中国科学院大连化学物理研究所
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
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Li, Xiaolei,Li, Keda,Ma, Huaijun,et al. Ionothermal synthesis of a CHA-type aluminophosphate molecular sieve membrane and its formation mechanism[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2015,217:54-62.
APA Li, Xiaolei,Li, Keda,Ma, Huaijun,Xu, Renshun,Tao, Shuo,&Tian, Zhijian.(2015).Ionothermal synthesis of a CHA-type aluminophosphate molecular sieve membrane and its formation mechanism.MICROPOROUS AND MESOPOROUS MATERIALS,217,54-62.
MLA Li, Xiaolei,et al."Ionothermal synthesis of a CHA-type aluminophosphate molecular sieve membrane and its formation mechanism".MICROPOROUS AND MESOPOROUS MATERIALS 217(2015):54-62.
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