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Composite agent for recovering silver from lead-zinc-silver sulfide ore with high sulfur content and preparation method for composite agent

A technology of compounding agent and sulfide ore, applied in solid separation, flotation and other directions, can solve the problems of increasing, decreasing and decreasing recovery rate of flotation, and achieve the effect of improving recovery rate, easily satisfying and reducing cost.

Active Publication Date: 2014-08-06
云南澜沧铅矿有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Within a certain range of collector concentration, as the concentration of the agent increases, the adsorption capacity increases, and the flotation recovery rate increases significantly; when the concentration reaches a certain value, the recovery rate decreases with the increase in concentration and adsorption capacity; When the concentration is too high, the adsorption capacity can continue to increase, but the flotation recovery rate no longer increases, or even decreases.

Method used

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  • Composite agent for recovering silver from lead-zinc-silver sulfide ore with high sulfur content and preparation method for composite agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The compound agent used to recover silver from high-sulfur lead-zinc-silver sulfide ores is mainly composed of the following raw materials in mass ratio: sodium carbonate: aniline black medicine: butylamine black medicine = 1:1:2.

[0019] The preparation process of the compound agent for reclaiming silver in the lead-zinc-silver sulfide ore containing high sulfur of the present invention is as follows:

[0020] 1. Sodium carbonate is mixed with the sodium carbonate solution that concentration is 10% at normal temperature with clear water, and the pH value=7 of described clear water;

[0021] ② Dissolve the aniline black drug into the above sodium carbonate solution according to 1 times the mass of sodium carbonate, stir for 5 minutes and let it stand for 30 minutes, then add water to dilute the aniline concentration to 2%;

[0022] 3. After dissolving the aniline black drug in sodium carbonate in the above steps, add butylammonium black drug with 2 times the quality of...

Embodiment 2

[0027] The specific implementation method is the same as in Example 1. The compound agent used for recovering silver in the lead-zinc-silver sulfide ore containing high sulfur is mainly composed of the following raw materials according to the mass ratio: sodium carbonate: aniline black medicine: butylamine black medicine=1:1.3 : 2.1.

[0028] The preparation process of the compound agent for reclaiming silver in the lead-zinc-silver sulfide ore containing high sulfur of the present invention is as follows:

[0029] 1. Sodium carbonate is mixed with the sodium carbonate solution that concentration is 10% at normal temperature with clear water, and the pH value=7 of described clear water;

[0030] ② Dissolve the aniline black drug in the above sodium carbonate solution according to 1.3 times the mass of sodium carbonate, stir for 5 minutes and let it stand for 30 minutes, then add water to dilute the aniline concentration to 3%;

[0031] 3. In the above steps, 2. aniline black ...

Embodiment 3

[0034] The specific implementation method is the same as in Example 1. The compound agent used for recovering silver in the lead-zinc-silver sulfide ore containing high sulfur is mainly composed of the following raw materials according to the mass ratio: sodium carbonate: aniline black medicine: butylamine black medicine=1:0.8 : 1.7.

[0035] The preparation process of the compound agent for reclaiming silver in the lead-zinc-silver sulfide ore containing high sulfur of the present invention is as follows:

[0036] 1. Sodium carbonate is mixed with the sodium carbonate solution that concentration is 10% at normal temperature with clear water, and the pH value=7 of described clear water;

[0037] ② Dissolve the aniline black medicine into the above-mentioned sodium carbonate solution according to 0.8 times of the mass of sodium carbonate, stir for 5 minutes and let it stand for 30 minutes, then add water to dilute the aniline concentration to 3%;

[0038] 3. In the above steps...

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Abstract

The invention relates to a composite strong collecting agent, in particular to a composite agent for improving the recovery rate of associated silver metal in a lead-zinc-silver sulfide ore with high sulfur content and a preparation method for the composite agent. The ore dressing rate of the associated silver metal is improved. The composite agent for recovering silver from the lead-zinc-silver sulfide ore with high sulfur content consists of raw materials such as sodium carbonate, aniline aerofloat and butylamine aerofloat in a mass ratio of 1:(0.8-1.3):(1.7-2.1). The composite agent has a good collecting effect on the associated silver in the sulfide ore, and the ore dressing recovery rate of the silver metal can be effectively improved.

Description

technical field [0001] The invention relates to a composite strong collector, in particular to a composite agent for increasing the recovery rate of associated silver metal from high-sulfur-containing lead-zinc-silver sulfide ore and a preparation method thereof. Background technique [0002] The beneficiation process mainly adopts the priority flotation process, that is, the priority flotation of lead, and the flotation of zinc after regrinding of medium ore. The raw ore contains 25%-28% sulfur, 2.5%-2.8% lead, 2.6%-3.0% zinc, and 145g / t-165 g / t silver. The silver in this ore is mainly associated with lead. The beneficiation plant mainly uses ethyl disulfide nitrogen and 541 xanthate collectors as lead collectors, and the recovery rate of associated silver metal is low. [0003] Silver metal will be associated in many kinds of ores, generally associated with other metals, rarely ore-forming alone (a few will be ore-forming alone), it is mainly associated in lead concentrat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03D1/014B03D101/02B03D103/02
Inventor 王春光阿中华刘沛云阿晓军何艳平毛泳忠龙卫刚杨体昌
Owner 云南澜沧铅矿有限公司
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