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Synthesis and Catalytic Performance of Core-shell Micro-Mesoporous Composite Zeolite MCM-41@TS-1 Catalysts
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Yingjie WANG1, Bowen LI1, Jiali HE1, Xing WANG1, Jiajie XU1, Jiani LI1, Mei WU1, 2, Jinlong JIANG1, Lingjun CHOU2, Huanling SONG2
Journal of the Chinese Ceramic Society | 2022, 50(10) : 2611 - 2621
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Journal of the Chinese Ceramic Society | 2022, 50(10): 2611-2621
• Research Articles •
Synthesis and Catalytic Performance of Core-shell Micro-Mesoporous Composite Zeolite MCM-41@TS-1 Catalysts
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Yingjie WANG1, Bowen LI1, Jiali HE1, Xing WANG1, Jiajie XU1, Jiani LI1, Mei WU1, 2, Jinlong JIANG1, Lingjun CHOU2, Huanling SONG2
Affiliations
  • 1.Faculty of Chemical Engineering, Huaiyin Institute of Technology, Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, Huai'an 223003, Jiangsu China
  • 2.State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China

    • WANG Ying Jie (1995-), male, Master candidate. E-mail:

About Author:

WANG Ying Jie (1995-), male, Master candidate. E-mail:

Published: 2022-10-20 doi: 10.14062/j.issn.0454-5648.20220224
Outline
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To solve the problem of a narrow pore applicability of zeolite molecular sieves with MFI topology (TS-1), a core-shell mesoporous composite molecular sieve xMCM-41@TS-1 was synthesized by an in-situ crystallization method. The results show that xMCM-41@TS-1 has a well-crystallized microporous core and mesoporous shell with regular pores, thus effectively improving the reaction mass transfer efficiency, reducing the diffusion resistance, and promoting the effective utilization of active titanium centers. Also, the core-shell mesoporous composite structure is beneficial to shortening the diffusion path of the material, so that the carbon deposition precursor in the microporous can diffuse to the surface in time. According to the catalytic performance results, the catalytic activity of xMCM-41-41@TS-1 in butadiene epoxidation and cyclohexane oxidation can reach 3 times and 2 times greater than that of TS-1, respectively, and the cycle stability is greater than that of TS-1.

active titanium center  /  butadiene epoxidation  /  core-shell structure  /  cyclohexane oxidation  /  micro-mesoporous
王英杰, 李博文, 何佳丽, 王星, 许佳洁, 李佳妮, 吴妹, 蒋金龙, 丑凌军, 宋焕玲. 核壳型介微孔复合分子筛MCM-41@TS-1的合成及其催化性能. 硅酸盐学报, 2022 , 50 (10) : 2611 -2621 . DOI: 10.14062/j.issn.0454-5648.20220224
Yingjie WANG, Bowen LI, Jiali HE, Xing WANG, Jiajie XU, Jiani LI, Mei WU, Jinlong JIANG, Lingjun CHOU, Huanling SONG. Synthesis and Catalytic Performance of Core-shell Micro-Mesoporous Composite Zeolite MCM-41@TS-1 Catalysts[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (10) : 2611 -2621 . DOI: 10.14062/j.issn.0454-5648.20220224
Appendix
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Year 2022 volume 50 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20220224
  • Receive Date：2022-03-28
  • Online Date：2026-10-20
  • Published：2022-10-20
Article Data
Affiliations
History
  • Received：2022-03-28
  • Revised：2022-04-12
Funding
Affiliations
    1.Faculty of Chemical Engineering, Huaiyin Institute of Technology, Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, Huai'an 223003, Jiangsu China
    2.State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Corresponding:

WU Mei (1986-), female, Ph.D., Associate Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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