Method for recovering multiple metals from complex antimony-containing gold ore
A multi-metal and gold mining technology, which is applied to the improvement of process efficiency, photography technology, instruments, etc., can solve the problems of secondary pollution, high energy consumption, and the need for pyrotechnics, etc., to achieve efficient recovery, reduce production costs, and reliable strong effect
Active Publication Date: 2017-11-07
NORTHWEST RES INST OF MINING & METALLURGY INST
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Abstract
The invention discloses a method for recovering multiple metals from complex antimony-containing gold ore. The method comprises the following steps: after concentrated antimony-gold ore or tailings are dissolved by utilizing sodium sulphide or caustic soda flakes, introducing steam and oxygen into a leaching tank to dissolve the antimony in the ore in a leaching liquid; filtering, performing electrodepositing on the leaching liquid through an electrolyzing process, and separating the antimony in a cathode plate to obtain a raw antimony; recovering the antimony, performing a sodium sulphide removing regenerating process on the solution of which the antimony is recovered, and performing low-temperature crystallizing to obtain sodium sulphide nonahydrate crystals; refining the leached slag by adopting ball grinding; oxidizing and leaching by adopting high-temperature air; and performing a carbon-in-pulp process on the leaching liquid to obtain gold-loaded carbon, wherein the total recovering rate of the antimony and the gold reaches over 95 percent. The overall process is high in reliability; secondary pollution cannot be caused; the production cost is reduced; and environment-friendly clean production is realized.
Application Domain
Photography auxillary processesProcess efficiency improvement
Technology Topic
Carbon in pulpAntimony +14
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