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Chemcial Industry and Engineering 2015, Vol. 32 Issue (5) :109-112    DOI: 10.13353/j.issn.1004.9533.2015.05.014
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Preparation of Lamellate SAPO-34 Molecular Sieves with Composite Templates for MTO Reaction
Shi Hua1, Geng Yuxia1, Ma Guodong1, Qian Zhen1, Wang Haiguo1, Cheng Qingyan2
1. China Tianchen Engineering Corporation, Tianjin 300400, China;
2. Hebei University of Technology, Tianjin 300401, China

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Abstract 

The pseudocubic plate-like SAPO-34 molecular sieves were synthesized using composite templates, and were characterized by XRD, SEM, BET and NH3-TPD. The as-synthesized SAPO-34 zeolites displayed BET surface areas up to 720 m2/g, moderate acidity. The activities of catalysts in the process of methanol to olefin (MTO) by using the obtained SAPO-34 molecular sieves were investigated. The catalysts exhibited relative longer life span, methanol conversion was over 99% and the total selectivity to ethylene and propylene could be over 80%.

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Articles by authors
Shi Hua
Geng Yuxia
Ma Guodong
Qian Zhen
Wang Haiguo
Cheng Qingyan
KeywordsSAPO-34 molecular sieves;   pseudocubic plate-like;   composite templates;   methanol to olefin     
Received 2015-06-01;
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Shi Hua, Geng Yuxia, Ma Guodong, Qian Zhen, Wang Haiguo, Cheng Qingyan.Preparation of Lamellate SAPO-34 Molecular Sieves with Composite Templates for MTO Reaction[J]  Chemcial Industry and Engineering, 2015,V32(5): 109-112
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