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2009•Nonferrous MetalsRequires access

STUDY ON MINERAL PROCESSING TECHNOLOG OF SOME MULTI-METAL LEAD-ZINC ORE

FU Guangqin

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Abstract

On the base of the process mineralogy researching of the lead-zinc ore containing 4.5%Pb and 15～18%Zn,with the oxidization rate of lead no more than 8%,the oxidization rate of zinc no more than 5%,the principle flowsheet consist of the lead-sulphur bulk flotation;the concentrate was separated to lead concentrate and sulphur concentrate;the tailings was put out after zinc flotation.Then,the flowsheet has got a better classification index:the lead concentrate grade was 58.74% and recovery 87.34%;the zinc concentrate grade was 56.99% and recovery 91.83%.It has been used as the design basis of enlarging the concentration plant of 2000t/d.

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What this paper is about

On the base of the process mineralogy researching of the lead-zinc ore containing 4.5%Pb and 15～18%Zn,with the oxidization rate of lead no more than 8%,the oxidization rate of zinc no more than 5%,the principle flowsheet consist of the lead-sulphur bulk flotation;the concentrate was separated to lead concentrate and sulphur concentrate;the tailings was put out after zinc flotation.Then,the flowsheet has got a better classification index:the lead concentrate grade was 58.74% and recovery 87.34%;the zinc concentrate grade was 56.99% and recovery 91.83%.It has been used as the design basis of enlarging the concentration plant of 2000t/d.

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Available abstract

On the base of the process mineralogy researching of the lead-zinc ore containing 4.5%Pb and 15～18%Zn,with the oxidization rate of lead no more than 8%,the oxidization rate of zinc no more than 5%,the principle flowsheet consist of the lead-sulphur bulk flotation;the concentrate was separated to lead concentrate and sulphur concentrate;the tailings was put out after zinc flotation.Then,the flowsheet has got a better classification index:the lead concentrate grade was 58.74% and recovery 87.34%;the zinc concentrate grade was 56.99% and recovery 91.83%.It has been used as the design basis of enlarging the concentration plant of 2000t/d.

Key concepts: Zinc, Tailings, Mineral processing, Sulfur, Recovery rate, Lead (geology), Metallurgy, Mineral

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