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Chemical-enhanced filtration of copper/nickel concentrate.

【摘要】 Filtration performance of mineral concentrate is mainly controlled by solid particle size and surface hydrophobicity. Filtration of coarser particles with more hydrophobic surfaces produces better filtration performance characterized by higher filtration rate (U) and lower final moisture content (FMC) in the final cake. Some filtration aids could improve filtration performance by flocculating solid particles and enhancing surface hydrophobicity. For the mineral concentrate used in this study, many filtration aids tested could only improve either U or FMC: one type was effective in improving U, and another type was effective in improving FMC. The combination of the two types of filtration aids at certain dosages could achieve better filtration performance than the optimum performance achieved by each individual filtration aid. Based on the experimental results, the working mechanism of filtration aids behind the filtration behavior was explored to deepen the understanding of the chemical-enhanced filtration of Cu/Ni concentrate.

【作者】 Zheng, Haijun.;

【作者单位】 University of Alberta (Canada).;

【授予单位】University of Alberta (Canada).;

【学科】Engineering, Chemical.;Engineering, Materials Science.

【学位】M.Sc.

【年(卷),期】2010(),

【年度】2010

【页码】103 p.

【总页数】103

【原文格式】PDF

【正文语种】eng

【中图分类】R592;

【原文服务方】国家工程技术数字图书馆

【关键词】;

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