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Preparation and Performance of Mordenite Membranes by SiO2-ZrO2 Sol Modified Seed Method
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Ming DING1, Xiuxiu REN1, Nanhua WU1, Lanpeng LI2, Quan ZHANG2, Rong XU1, Jing ZHONG1
Journal of the Chinese Ceramic Society | 2021, 49(10) : 2098 - 2105
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Journal of the Chinese Ceramic Society | 2021, 49(10): 2098-2105
Preparation and Performance of Mordenite Membranes by SiO2-ZrO2 Sol Modified Seed Method
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Ming DING1, Xiuxiu REN1, Nanhua WU1, Lanpeng LI2, Quan ZHANG2, Rong XU1, Jing ZHONG1
Affiliations
  • 1.Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, Jiangsu, China
  • 2.China Petrochemical Corporation, Dalian Petrochemical Research Institute, Dalian 116000, Liaoning, China

    • DING Ming (1996-), female, Master candidate. E-mail:

About Author:

DING Ming (1996-), female, Master candidate. E-mail:

Published: 2021-10-20 doi: 10.14062/j.issn.0454-5648.20210049
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The integrity of the seed layer was improved by adding SiO2-ZrO2 nano-sized sol into the seed solution on macroporous α-Al2O3 carrier for the preparation of high-performance mordenite membranes. The effect of SiO2-ZrO2 sol amount added in the seed crystal on the seed layer and zeolite membrane was investigated. The results show that the pervaporation performance of mordenite membranes is improved by the addition of SiO2-ZrO2 sols. The flux and separation factor decreases slightly as the concentration increases. When 0.5% (in mass fraction) SiO2-ZrO2 sol is added into the seed crystal, the permeation flux and separation factor can reach 0.94 kg/(m2·h) and 5 285 by a pervaporation of 90% (in mass fraction) acetic acid/water solution at 75℃. It is indicated that SiO2-ZrO2 sol improves the dispersion of the seed in the solution. The mordenite membrane prepared by this method has good repeatability and acid resistance.

mordenite membrane  /  silica-zirconia sol  /  seed layer  /  pervaporation
丁明, 任秀秀, 吴楠桦, 李澜鹏, 张全, 徐荣, 钟璟. SiO2-ZrO2溶胶修饰晶种法制备丝光沸石膜及性能. 硅酸盐学报, 2021 , 49 (10) : 2098 -2105 . DOI: 10.14062/j.issn.0454-5648.20210049
Ming DING, Xiuxiu REN, Nanhua WU, Lanpeng LI, Quan ZHANG, Rong XU, Jing ZHONG. Preparation and Performance of Mordenite Membranes by SiO2-ZrO2 Sol Modified Seed Method[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (10) : 2098 -2105 . DOI: 10.14062/j.issn.0454-5648.20210049
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Year 2021 volume 49 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20210049
  • Receive Date：2021-01-16
  • Online Date：2026-10-30
  • Published：2021-10-20
Article Data
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History
  • Received：2021-01-16
  • Revised：2021-03-01
Funding
Affiliations
    1.Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, Jiangsu, China
    2.China Petrochemical Corporation, Dalian Petrochemical Research Institute, Dalian 116000, Liaoning, China

Corresponding:

ZHONG Jing (1972-), female, Ph.D., Professor; E-mail:
REN Xiuxiu(1987-), female, Ph.D., Lecturer.
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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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