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Citation:
Wang Wen-Tao, Zhong Bang-Ke. The Preparation and Characterization of Alumina Membranes Supported by Porous Titanium Plate[J]. Acta Physico-Chimica Sinica,
;1996, 12(01): 85-90.
doi:
10.3866/PKU.WHXB19960119
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γ-alumine membranes supported by porous titanium plate were prepared by sol-gel techniqe with alumina isopropoxide. The factors, which influenced membrane per formance, in the membrane preparing process were investigated. A dynamic flow-weighted active pore size distribution apparatus for inorganic membrane were set-up on the basis of Kelvine equation. The results showed that for composite porous membrane the active pore size distribution is about 6-8nm, the most probable pore size is about 7nm and nitrogen permeability is 7.1×10-6mol﹒m-2﹒Pa-1﹒s-2.
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