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Treatment of industrial wastewater from an alumina plant by membrane (I)
Authors:Zhou Kanggen  Zhang Qixiou  Luo Aiping  Fu Chunsheng  Shang Jihong  Li Ming  Huang Weiqing and Zhu Xiaoqing
Affiliation:(1) Department of Metallurgical Science and Engineering, Central South University of Technology, 410083 Changsha, China;(2) Department of Technology & Resources, Shanxi Aluminum Company, 043300 Hejin, China;(3) Present address: Environmental Protection Monitoring Station of Light Industry, 214035 Wuxi
Abstract:In order to design the technological process of desalination by electrodialysis for the industrial wastewater of an alumina plant, the limit current density of the industrial wastewater is measured, and the equations of limit current density, voltage drop of the unit membrane pair at the limiting current and desalination ratio at the limiting current were obtained. Project supported by the Key Program of the 9th Five-year Plan of China
Keywords:membrane separation  electrodialysis  limiting current density  alumina production  wastewater treatment
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