Method for recovering valuable metals from tungsten rough concentrate containing sulfide ore

A technology for valuable metals and rough concentrates, applied in chemical instruments and methods, wet separation, solid separation, etc., to achieve the effects of reducing sulfur content, optimizing chemical system and process flow, and improving recovery rate
CN105498948BActive Publication Date: 2017-10-03INST OF RESOURCES UTILIZATION & RARE EARTH DEV GUANGDONG ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF RESOURCES UTILIZATION & RARE EARTH DEV GUANGDONG ACAD OF SCI
Publication Date
2017-10-03

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Abstract

The invention discloses a method for recovering valuable metal from a sulfide ore-contained tungsten rough concentrate. The method is characterized by comprising the following steps: after an ore is grinded, water is added to mix slurry; quicklime is added to stir; the pH is adjusted; a capturing agent is added for roughing, scavenging and selecting to obtain a copper concentrate; a scavenged copper tailing is added with an adjusting agent, an activating agent and a capturing agent for roughing, scavenging and selecting to obtain a bismuth concentrate; a scavenged bismuth tailing is added with an activating agent and a capturing agent for roughing, scavenging and selecting to obtain a sulfur concentrate; and a scavenged sulfur tailing is reselected by a shaker to obtain a tungsten concentrate. The obtained copper concentrate has the copper grade of 17-26% and the recovery rate of 85-93%; the bismuth concentrate has the bismuth grade of 16-23% and the recovery rate of 83-91%; the sulfur concentrate has the sulfur grade of 38-46% and the recovery rate of 68-78%; and the tungsten concentrate has the tungsten grade of 52-62% and the recovery rate of 87-95%. The valuable metal recovery method, provided by the invention, is excellent in separation effect, high in recovery rate and low in sulfur content in the tungsten concentrate, and is suitable for recovering the valuable metal from the sulfide ore-contained tungsten rough concentrate.
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Description

technical field

[0001] The invention belongs to the technical field of mineral processing, and relates to a method for recovering valuable metals from tungsten rough concentrates containing sulfide ores through a combined process of preferential flotation-gravity separation, in particular to a method for recovering valuable metals from tungsten rough concentrates containing sulfide ores. A method for recovering valuable metals from tungsten ores. technical background

[0002] With the continuous depletion of single rich ore resources in our country, poor, fine and miscellaneous ores have become the theme of mining today, and comprehensive recovery of valuable elements is an effective measure to maximize the recovery of poor, fine and miscellaneous mineral resources. Although the content of associated sulfide ores in ore deposits is relatively low, they account for a high share of valuable metal production in my country. Therefore, the recovery of associated minerals can not...

Claims

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