For example, lead and zinc oxide ore flotation

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For example, lead and zinc oxide ore flotation

A lead-zinc mill processing Pb Zn mixed ores. The ore has dense like primary ore, but also was oxidized ore fine-grained disseminated. The mixed ore valuable metallic minerals are sphalerite, galena, pyrite, cerussite, smithsonite, hemimorphite and lead sulfate etc.. The gangue mineral is dolomite, calcite and a small amount of quartz and feldspar. Metal mineral qianbulidu are coarse. Zinc oxide was higher (25%, 20%), 13% ～ 18% ore mud.

Choose don't process the heavy medium to select, tailings of about 36%. Concentrate of dense medium separation of grinding to -0.075mm 65%. The lead sulfide, lead oxide, zinc sulfide, Zinc Oxide are preferential flotation process, see below.

Schema: a sulfide oxidation flotation process Pb Zn mixed ores

Xanthate dosage: 250g/t, black 50g/t, 2# 240g/t 1440g/t oil, copper sulfate, fatty acid 80g/t, 80g/t HCl, lime 1500g/t.

The flotation indexes: ore containing Pb5.16%, Zn13.85% containing lead, lead concentrate 59.73%, the recovery rate is 87.2%, the recovery rate of zinc concentrate containing Zn51.45%, 80.94%.

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For example, lead and zinc oxide ore flotation

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