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STUDY ON PREPARATION OF SUPPORTED ALUMINA MEMBRANE USING SOL GEL METHOD

W.L. Zhang , B.Q. Jiang , Y.S. Sun , F. Lin and L. Gu Chemical Engineering Department of Nanchang University , Nanchang 330029 , China

金属学报(英文版)

A stable colloidal boehmite sol was made with the aluminium iso propoxide made in China and used to prepare the supported γ alumina membrane using sol gel method. The γ alumina thin layer was characterized by SEM, N 2 sorption method and permeation measurement. The γ alumina membrane was prepared with uniform surface, thickness of 3 μm and average diameter of about 5 nm. The permeabilities of the single gases of H 2, N 2, Ar and their separation factors were measured. The experimental data explained a behavior of Knudsen diffusion for the gas transport through the thin membrane.

关键词: boehmite , null , null , null

STUDY ON UNIFORMITY OF ELECTROLESS PLATING SOLUTION OF SOLAR CONTROL GLASS

D.M. Zhen , B.Q. Jiang , J. Yan and L.J. Xu Chemical Engineering Department of Nanchang University , Nanchang 330029 , China

金属学报(英文版)

A new type elctroless plating bath for solar control glass with large area uniform plating was presented on the basis of the relative Reynolds numbers , the temperature distribution calculation and the relative structure design. The experimental data of the distribution and change of temperature indicate that the mass transfer of the fluid was steady laminar flow and the difference of the maximum temperature was less than 0 5℃ in glass dipping region of 1000×200×1000mm.

关键词: electroless plating bath , null , null , null

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