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Enhanced desulfurization performance of hybrid membranes using embedded hierarchical porous SBA-15

Frontiers of Chemical Science and Engineering 2020年第4期14卷 661-672页

作者： Ye Zhang Jian Song Josue Quispe Mayta Fusheng Pan Xue Ga Mei Li Yimeng Song Meidi Wang Xingzhong Cao Zhongyi Jiang School of Chemical Engineering and Technology Tianjin UniversityTianjin 300072China Collaborative Innovation Center of Chemical Science and Engineering(Tianjin) Tianjin 300072China Multi-discipline Research Division Institute of High Energy PhysicsChinese Academy of SciencesBejing 100049China

The utilization of materials with a hierarchical porous structure as multi-functional additives is highly attractive in the preparation of hybrid *** this study,novel hybrid membranes are designed by embed-ding hierarchical porous Santa Barbara Amorphous 15(SBA-15)with a dual-pore architecture(micropores and mesopores)for pervaporation *** SBA-15 with cylindrical mesopores provides molecular transport expressways to ensure improved permeability,while micropores on the wall have molecular sieving effects that are essential for the enhancement of permselectivity of thiophene *** thiophene/n-octane mixture as a model system,the hybrid membrane with embedded 6 wt-%SBA-15 exhibits optimal pervaporation desulfurization performance with a permeation flux of 22.07 kg·m^-2·h^-1 and an enrichment factor of ***,the detailed structure and properties of hybrid membranes are systematically *** study demonstrates the immense potential of hierarchical porous materials as additives in membranes to simultaneously increase permeability and permselectivity.

关键词： hybrid membranes hierarchical porous SBA-15 sieving effect pervaporation desulfurization

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Ionic Transfer in hybrid Inorganic/Organic membranes

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复旦学报（自然科学版） 2007年第5期46卷 670-页

作者： A.B.Yaroslavtsev I.A.Stenina A.S.Shalimov Kurnakov Institute of General and Inorganic Chemistry RAS Leninskiy pr.31 Moscow119991Russia Kurnakov Institute of General and Inorganic Chemistry RAS Leninskiy pr.31 Moscow119991 Russia

1 Results In last years increasing interest has been devoted to the development and research of transport properties of hybrid organic/inorganic membranes. Traditionally, these membranes are used as electrolyte in fuel cells. However a number of their properties allow considering them as perspective materials for water treatment and substance purification. In this work transport properties of some ion exchange membranes modified by inorganic nanoparticles (hydrated oxides or solid acids) are discussed. ...

关键词： ion transfer hybrid membranes composite materials ionic conductivity

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