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The present invention discloses a method of silver oxide manganese ore extracted manganese silver, the method steps of:
(1) Manganese silver ore is crushed and coarsely ground to form manganese silver ore powder;
(2) obtaining silver manganese coarse concentrate and dry magnetic separation tailings by dry magnetic separation;
(3) Wet grinding to make silver manganese coarse concentrate powder;
(4) wet magnetic separation to obtain silver manganese concentrate powder and wet magnetic separation tailings;
(5) Separation and extraction of silver and manganese, silver manganese concentrate powder is pressed into silver manganese concentrate brick for baking, and then leached with saturated sodium chloride solution as silver leaching agent to obtain silver-containing leachate and manganese concentrate brick; leachate The saturated sodium sulfide solution is added to fully convert the silver ions into silver sulfide, and the dry magnetic separation tailings and the wet magnetic separation tailings are mixed and pressed into tailing bricks to be sintered to obtain tailings bricks.
The invention (1) realizes the enrichment of manganese and silver in the oxidized manganese-silver ore by magnetic separation, has low ore dressing cost and high sorting efficiency; (2) the sodium chloride solution is used as a leaching agent to leaching silver, and the silver leaching rate is higher. High, the leaching agent can be recycled, and at the same time reduce the production cost; (3) the tailings bricks, no solid waste, and realize the comprehensive utilization of resources.
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