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Environment-friendly gold extraction agent and production technique thereof

A kind of gold extraction agent and environment-friendly technology, which is applied in the field of environment-friendly gold extraction agent and its production process, can solve the problems of wasting manpower, material and financial resources, and destroying the ecological environment, so as to reduce the initial cost, reduce transportation cost, and reduce production cost Effect

Inactive Publication Date: 2017-12-15
洛阳市鸿达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the major hidden dangers of production safety in the prior art, the serious waste of manpower, material resources and financial resources, the destruction of the ecological environment, and the long-term safety problems that plague the production of mining enterprises, and provide an environmentally friendly gold extraction agent and its production. process, the gold extraction agent makes the gold extraction process safe, environmentally friendly and efficient, and solves the difficulty of production safety that has long plagued the gold extraction process and has major hidden dangers. The process is simple and easy to operate, and the original equipment does not need to be replaced

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: an environment-friendly gold extracting agent, made of the following materials: urea 25g, sodium hydroxide 15g, sodium carbonate 10g, yellow blood salt sodium 5g, sodium oxide 10g, thiosulfate 5g. The production process of the environment-friendly gold extracting agent comprises the following steps: Weigh each compound according to the above weight, put the above raw materials into the reaction container, and mix them evenly through the stirring shaft, the rotating speed of the stirring shaft is 45r / min, and heat the reaction container , at 850°C, react in a stainless steel reaction pot for 1 hour to melt the raw materials, cool to room temperature, and then pour them into a jaw crusher (model: PE-150-250) for crushing. After crushing, the finished product is obtained. The particle size is 10mm.

Embodiment 2

[0023] Embodiment 2: a kind of environment-friendly gold extracting agent is made of the following materials: 35g of urea, 25g of sodium hydroxide, 20g of sodium carbonate, 15g of yellow blood salt sodium, 20g of sodium oxide, and 15g of thiosulfate. The production process of the environment-friendly gold extracting agent comprises the following steps: taking each compound according to the above weight, putting the above raw materials into a reaction vessel, and mixing them uniformly by a stirrer, the stirring shaft rotating speed is 50r / min, heating the reaction vessel, Under the condition of 600°C, react in a stainless steel reaction pot for 3 hours to melt the raw materials, cool to room temperature, and then pour them into a jaw crusher (model: PE-150-250) for crushing. The crushing particle size is 20mm. to get the finished product.

Embodiment 3

[0024] Embodiment 3: a kind of environment-friendly gold extraction agent is made of the following materials: urea 25g, sodium hydroxide 25g, sodium carbonate 10g, yellow blood salt sodium 15g, sodium oxide 10g, thiosulfate 15g. The production process of the environment-friendly gold extracting agent comprises the following steps: Weigh each compound according to the above weight, put the above raw materials into the reaction container, and mix them evenly through the stirring shaft, the rotating speed of the stirring shaft is 42r / min, and heat the reaction container , under the condition of 850°C, react in a stainless steel reaction pot for 2 hours, melt the raw materials, cool to room temperature, and then pour them into a jaw crusher (model: PE-150-250) for crushing, the crushing particle size is 30mm, after crushing That is, the finished product is obtained.

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Abstract

The invention relates to the field of industrial gold extraction, in particular to an environment-friendly gold extraction agent and a production technique thereof. The gold extraction comprises, by weight, 25-35 parts of urea, 15-25 parts of sodium hydroxide, 10-20 parts of sodium carbonate, 5-15 parts of sodium ferrocyanide, 10-20 parts of sodium oxide and 5-15 parts of thiosulfate. The production technique comprises the following steps: the above components are uniformly mixed and are subjected to a reaction at 600-850 DEG C for 1-3 hours, then are melted and cooled to room temperature, and finally are crushed to obtain a finished product. The environment-friendly gold extraction agent and the production technique thereof have the advantages that the gold extraction process is safe, environment-friendly and efficient, so that the problem that a great hidden danger of production safety exists for a long time in the gold extraction process is solved, the technique is simple, and the operation is convenient.

Description

technical field [0001] The invention relates to the field of industrial gold extraction, in particular to an environment-friendly gold extraction agent and a production process thereof. Background technique [0002] At present, in the production of gold and silver mining at home and abroad, the dressing and smelting process of cyanide method is widely used. Since sodium cyanide is a highly toxic and dangerous chemical, there is a high risk in the production process, and in the later period of long-distance freight, storage In the use link, a considerable part of material and financial resources must be invested, and it will inevitably cause irreparable harm to humans, animals, and the environment, especially major personal safety accidents continue to occur. Contents of the invention [0003] The purpose of the present invention is to overcome the major hidden dangers of production safety in the prior art, the serious waste of manpower, material resources and financial res...

Claims

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Application Information

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IPC IPC(8): C22B11/00
Inventor 李耀鸿李琛
Owner 洛阳市鸿达科技有限公司
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