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    題名: Effects of gas slugs and inclination angle on the ultrafiltration flux in tubular membrane module
    作者: Cheng, Tung-wen;葉和明;Yeh, Ho-ming;Wu, Jun-hsiung
    貢獻者: 淡江大學化學工程與材料工程學系
    關鍵詞: Ultrafiltration;Flux enhancement;Tubular membrane;Inclination angle;Two-phase flow
    日期: 1999-06-01
    上傳時間: 2009-11-04 15:56:33 (UTC+8)
    出版者: Amsterdam: Elsevier BV
    摘要: The permeate fluxes of an inclined gas-slugs ultrafiltration system were measured and discussed under various gas-liquid flow ratios and inclination angles. The experiments were carried out in a tubular ceramic membrane module by using dextran T500 aqueous solution as the tested solution. In the single liquid-phase ultrafiltration system or the gas-liquid two-phase ultrafiltration system with turbulent liquid flow, the variation of inclination angle affects the permeate flux slightly. In the gas-liquid two-phase ultrafiltration system with laminar liquid flow, the permeate �ux is enhanced significantly as the inclination of the ultrafiltration column increases up to a certain angle. The optimal inclination angle of the ultrafiltration column is about 538 in present experimental system. The enhancement in flux is due to the combination effects of natural convection and forced convection induced by the slug flow in the inclined tubular membrane.
    關聯: Journal of Membrane Science 158(1-2), pp.223-234
    DOI: 10.1016/S0376-7388(99)00013-7
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文

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