Preparation of a Tubular Palladium Membrane by Photocatalytic Deposition

Hong Qian; Lixiong Zhang; Nanping Xu

Korean Journal of Chemical Engineering, Vol.20, No.2, 359-364, March, 2003

DOI10.1007/BF02697253 Export Citation

Preparation of a Tubular Palladium Membrane by Photocatalytic Deposition

Hong Qian, Lixiong Zhang, and Nanping Xu^†

Membrane Science & Technology Research Center, Nanjing University of Technology, Nanjing 210009, China

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A novel photocatalytic deposition method for the preparation of a thin tubular palladium membrane is presented in this paper. The membrane is prepared on a porous asymmetric TiO2 support by photocatalytic reaction of palladium ion, followed by electroless plating. Gas permeation results show that the membrane exhibits increased hydrogen permeance with the increase of temperature. The hydrogen permeance and selectivity to nitrogen at 773 K are about 1.43×10(-6) mol m(-2) s(-1) Pa(-1) and 17, respectively, when the pressure in the feed side is 0.1MPa. The activation energy of hydrogen permeation is 11.06 kJ/mol at the temperature range of 573-773 K.

Keywords:Palladium Membrane;TiO2 Membrane;Photocatalytic Deposition;Electroless Plating;Hydrogen Separation

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[2] Collins JP, Way JD, Ind. Eng. Chem. Res., 32(12), 3006 (1993)

[3] Fu HX, Lv GX, Li SB, Wuli Huaxue Xuebao, 13(2), 106 (1997)

[4] Jayaraman V, Lin YS, Pakala M, Lin RY, J. Membr. Sci., 99(1), 89 (1995)

[5] Li AW, Liang WQ, Hughes R, Catal. Today, 56(1-3), 45 (2000)

[6] Li A, Xiong G, Zheng L, Huaxue Jinzhan, 6(2), 142 (1994)

[7] Mardilovich PP, She Y, Ma YH, Rei MH, AIChE J., 44(2), 310 (1998)

[8] Mccool B, Collins JP, Way JD, "Sputter Deposition Synthesis and Properties of Ultrathin Metallic Membranes," in S.I. Nakao (Ed.), Proc. 5rd Int. Conf. Iorg. Membranes, Nagoya, Japan, June, 678 (1998)

[9] Nam SE, Lee SH, Lee KH, J. Membr. Sci., 153(2), 163 (1999)

[10] Nam SW, Yoon SP, Ha HY, Hong SA, Maganyuk AP, Korean J. Chem. Eng., 17(3), 288 (2000)

[11] Uemiya S, Sato N, Ando H, Kude Y, Matsuda T, Kikuchi E, J. Membr. Sci., 56, 303 (1991)

[12] Wu LQ, Xu NP, Shi J, AIChE J., 46(5), 1075 (2000)

[13] Wu LQ, Xu NP, Shi J, Ind. Eng. Chem. Res., 39(2), 342 (2000)

[14] Xomeritakis G, Lin YS, AIChE J., 44(1), 174 (1998)

[15] Xomeritakis G, Lin YS, J. Membr. Sci., 120(2), 261 (1996)