Treatment method and system of heat-state metallized pellet
2016
The invention discloses a treatment method and system of a heat-state metallized pellet. The treatment method of the heat-state metallized pellet comprises the steps that the heat-state metallized pellet is subject to water quenching and breaking, thiosulfate gold leaching liquid and an inhibitor are added for wet ore grinding, obtained powder abrasive slurry is subject to solid-liquid separation to obtain a solid mixture and filter liquor, the solid mixture is subject to reselection to obtain metallic gold and a light mixture, and the light mixture is subject to magnetic separation to obtain metal iron/iron alloy particles; quick lime is added into filter liquor for reaction to obtain ferrous hydroxide, and after burning, iron oxide red is obtained. The invention further discloses the system for implementing the treatment method. The system comprises a metallized pellet treatment device, a wet ore grinding device, a solid-liquid separation device, a reselection separation device, a magnetic separation device, a precipitation separation device and a burning device. According to the treatment method and system of the heat-state metallized pellet, comprehensive utilization of the heat-state metallized pellet and the thiosulfate gold leaching liquid is achieved.
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