Treatment method of beneficiation wastewater

A technology for mineral processing wastewater and a treatment method, applied in the field of water treatment, can solve the problems of difficult popularization and application, complex water quality, low treatment cost, etc., and achieve the effects of broad application prospects, short technological process and simple operation.

Inactive Publication Date: 2016-01-20
GUILIN CHUNXIAO ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] During the production process of metal mines, a large amount of beneficiation wastewater will be produced. The wastewater has complex water quality and various components, and contains a variety of heavy metals, beneficiation agents and other pollutants. If it is discharged outside, it will cause serious harm to the surrounding ecological environment. If it is returned to the process Recycling, the harmful substances in the wastewater will continue to accumulate, which will have an adverse impact on the production process and equipment. Therefore, it is necessary to choose an appropriate treatment method to treat the flotation wastewater
At present, the commonly used treatment methods include chemical precipitation method, adsorption method, microbial method, artific

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0013] A method for treating mineral processing wastewater, comprising:

[0014] The mineral processing wastewater is introduced into the wastewater pool, the pH value of the mineral processing wastewater is adjusted to 4, hydrogen peroxide and ferrous sulfate are added to the mineral processing wastewater, the addition of the hydrogen peroxide accounts for 1% of the quality of the mineral processing wastewater, and the ferrous sulfate The addition amount accounts for 0.1% of the mineral processing wastewater quality, after stirring reaction, stand for 10 hours, remove the sediment in the mineral processing wastewater, the supernatant enters the sedimentation tank, adds polyacrylamide, the addition of described polyacrylamide accounts for above 0.1% of the mass of the clear liquid, settle, filter out the precipitate, and obtain reused water.

Embodiment 2

[0016] A method for treating mineral processing wastewater, comprising:

[0017] The mineral processing wastewater is introduced into the wastewater pool, the pH value of the mineral processing wastewater is adjusted to 6, hydrogen peroxide and ferrous sulfate are added to the mineral processing wastewater, the addition of the hydrogen peroxide accounts for 2% of the mineral processing wastewater quality, and the ferrous sulfate The addition amount accounts for 2% of the mineral processing wastewater quality, after stirring and reacting, let it stand for 20 hours, remove the sediment in the mineral processing wastewater, the supernatant enters the sedimentation tank, and adds polyacrylamide, and the addition amount of described polyacrylamide accounts for above 1% of the mass of the supernatant, settle, filter out the precipitate, and obtain reused water.

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Abstract

The invention relates to a treatment method of beneficiation wastewater. The treatment method comprises steps as follows: the beneficiation wastewater is introduced into a wastewater pond, the pH (potential of hydrogen) value of the beneficiation wastewater is adjusted to range from 4 to 7, hydrogen peroxide and ferrous sulfate are added to the beneficiation wastewater, the mixture is stirred to be subjected to a reaction and then is subjected to standing for 10-20 hours, sediments in the beneficiation wastewater are removed, a supernatant is poured into a sedimentation tank, polyacrylamide is added, sedimentation is performed and sediments are filtered out, and recycle water is obtained. With the adoption of the treatment method of the beneficiation wastewater, the wastewater treatment effect is stable, efficient treatment is realized, the operation is simple, the technological procedure is short, the cost is low, and the method has the advantages of energy conservation, environment protection, and wide application prospects.

Description

technical field [0001] The invention relates to a treatment method for ore dressing wastewater, which belongs to the field of water treatment. Background technique [0002] During the production process of metal mines, a large amount of beneficiation wastewater will be produced. The wastewater has complex water quality and various components, and contains a variety of heavy metals, beneficiation agents and other pollutants. If it is discharged outside, it will cause serious harm to the surrounding ecological environment. If it is returned to the process Recycling, the harmful substances in the wastewater will continue to accumulate, which will have an adverse impact on the production process and equipment. Therefore, it is necessary to choose an appropriate treatment method to treat the flotation wastewater. At present, the commonly used treatment methods include chemical precipitation method, adsorption method, microbial method, artificial wetland method, etc. Although thes...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F103/10
Inventor 黄云鹤费正华
Owner GUILIN CHUNXIAO ENVIRONMENTAL PROTECTION TECH CO LTD
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