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[The influence of mechanical-cleaning membrane module on membrane flux].
Xu, Hui-fang; Fan, Yao-bo.
Afiliación
  • Xu HF; Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Huan Jing Ke Xue ; 25(3): 78-83, 2004 May.
Article en Zh | MEDLINE | ID: mdl-15327259
An enhanced mechanical-cleaning membrane module M1 and a mechanical-cleaning membrane module M2 were designed in this research. An orthogonal array design was adopted to investigate effects of operational parameters including aeration intensity, membrane flux, MLSS, ratio of suction time and non-suction time on membrane filtration of two membrane module of M1 and M2. The results showed that M1 could weaken the negative influence of disadvantage parameters including high MLSS, high membrane flux, and low aeration intensity on membrane flux. M1 and M2 module both maintained a high flux of 40 L/(h x m2) under the conditions of MLSS 6 g/L, aeration 0.5 m3/h, ratio of suction time and non-suction time of 12/1, which was selected by the study of orthogonal array. Resistance distribution showed that the mechanism of mechanical-cleaning help to remove the sludge cake pollution on membrane surface.
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Bases de datos: MEDLINE Asunto principal: Eliminación de Residuos Líquidos / Purificación del Agua / Reactores Biológicos Idioma: Zh Revista: Huan Jing Ke Xue Año: 2004 Tipo del documento: Article País de afiliación: China
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Bases de datos: MEDLINE Asunto principal: Eliminación de Residuos Líquidos / Purificación del Agua / Reactores Biológicos Idioma: Zh Revista: Huan Jing Ke Xue Año: 2004 Tipo del documento: Article País de afiliación: China