The Treatment of Heavy Metal Hydroxides by Crossflow -Microfiltration 


Vol. 8,  No. 3, pp. 151-165, Sep.  2002


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  Abstract

In the treatment of the wastewater containing metals(Cu2+, Zn2+, Ni2+, Cr3+) by using batch precipitaiton and flocculation followed by membrane filtrtion, permeate flux and removal efficiency were investigated according to by the effect of pH and coagulants, and the type of membranes used and pore size. It was found that it is most effective to use 0.45μm-polysulfone membrane and coagulant(PAC) at the conditions of the pH of 10.0~10.5 for the case of copper containing wastewater, 0.1μm-PVDF membrane and coagulant(PAC) at the conditions of the pH of 10.0~10.5 for the case of zinc containing wastewater, 0.1μm-PVDF membrane and coagulant at the conditions of the pH of 11.0~11.5 for the case of nickel containing wastewater, 0.2μm membrane and coagulant at the conditions of the pH of 8.0~8.5 for the case of chromic containing wastewater, and 0.2μm~0.45μm membrane and coagulant at the conditions of the pH of 11.0~11.5 for the case mixture wastewater. The permeate flux could higher as to be used coagulants except for the case of copper containing wastewater.

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  Cite this article

[IEEE Style]

Y. KW and S. HJ, "The Treatment of Heavy Metal Hydroxides by Crossflow -Microfiltration," Clean Technology, vol. 8, no. 3, pp. 151-165, 2002. DOI: .

[ACM Style]

Yoo KW and Seo HJ. 2002. The Treatment of Heavy Metal Hydroxides by Crossflow -Microfiltration. Clean Technology, 8, 3, (2002), 151-165. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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