CN102689935A - Method for processing acid mine drainage - Google Patents
Method for processing acid mine drainage Download PDFInfo
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- CN102689935A CN102689935A CN2012101483772A CN201210148377A CN102689935A CN 102689935 A CN102689935 A CN 102689935A CN 2012101483772 A CN2012101483772 A CN 2012101483772A CN 201210148377 A CN201210148377 A CN 201210148377A CN 102689935 A CN102689935 A CN 102689935A
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- mine drainage
- acid mine
- charcoal
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Abstract
The invention discloses a method for processing acid mine drainage. The acid mine drainage is filtered by wood charcoal, calcium carbonate and fiber, and the thickness of each filter layer of the wood charcoal, the calcium carbonate and the fiber is not less than 10mm. According to the method, the pH of the acid mine drainage is adjusted to be 6-8 so as to achieve the national standard of acid mine drainage pH discharge, and stibium content in antimony mine wastewater is reduced to be below 0.5mg/L set by the environmental pollutant discharge standard of Guizhou province, and meanwhile, the method has excellent effect on the treatment on heavy metal mine wastewater.
Description
Technical field
The present invention relates to a kind of treatment process of mine wastewater, especially a kind of treatment process of acid wastewater in mine.
Background technology
In the process of ore dressing and mining, can produce a large amount of particulate matter, these materials get into after the water body, are suspended in the water body.Because these particles suspended property material volumes are little, surface-area is bigger, so bigger surface energy is arranged, the heavy metal ion in the planar water to a certain extent.As reduce the suspension particulate matter content in the water, then possibility is provided for the improvement of acid wastewater in mine.
In the prior art, removing the method that the suspended particulate matter in the acid wastewater in mine mainly adopts is to build settling tank, lets the particulate matter natural subsidence, or adds some flocculation agent, quickens particles settling.Owing to the influence of the volume that receives current, settling bowl, the residence time etc., often can not fully remove the suspended particulate in the water, and can't fully reduce heavy metal content in the waste water.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of method, this method is to have adopted filter type, reduces the content and adjusting pH of heavy metal in the waste water through the acting in conjunction of three kinds of materials.
The present invention is achieved through following technical scheme.
The present invention is a kind of treatment process of acid wastewater in mine, adopts charcoal, lime carbonate, fiber that acid wastewater in mine is filtered; Charcoal, lime carbonate, each filtering layer thickness of fiber all are not less than 10mm.
Said charcoal specification is sphere or the powdery below the diameter 100mm.
Said fiber is a vegetable fibre, and specification is filament length 3～70mm, silk footpath 3～100 μ m, and profile is the flat spheroid of diameter 3～30mm, thick 2～6mm.
The present invention can well remove heavy metal simultaneously and regulate pH, and the residue that filters out also can be recycled, and it is low to have cost, the characteristics that operability is good.
Embodiment
Further describe technical scheme of the present invention below, but require the scope of protection to be not limited to said.
The treatment process of a kind of acid wastewater in mine provided by the invention adopts charcoal, lime carbonate, fiber that acid wastewater in mine is filtered; Charcoal, lime carbonate, each filtering layer thickness of fiber all are not less than 10mm.
Said charcoal specification is sphere or the powdery below the diameter 100mm.
Said fiber is a vegetable fibre, and specification is filament length 3～70mm, silk footpath 3～100 μ m, and profile is the flat spheroid of diameter 3～30mm, thick 2～6mm.
Embodiment 1
Filter certain acid wastewater in mine with treatment process of the present invention, its heavy metal particles substances content is seen table 1.
Certain acid wastewater in mine heavy metal particles substances content of table 1
| Antimony (μ g/L) | 5635.736 |
| Arsenic (μ g/L) | 91.316 |
| Mercury (μ g/L) | 8.621 |
Charcoal in the present embodiment is selected powdered carbon for use, filtering layer thickness 50cm, and lime carbonate is selected the calcium carbonate granule of diameter 2mm for use, filtering layer thickness 25cm, fiber is selected diameter 10mm for use; The flat fiber spheroid common cotton bouquet of thick 4mm, filtering layer thickness 100cm.Acid wastewater in mine passes through the filtration of charcoal filtering layer, lime carbonate filtering layer, fibrous filter layer successively, obtains treated acid wastewater in mine, and its heavy metal particles substances content is seen table 2.
The acid wastewater in mine heavy metal particles substances content that table 2 is treated
| Antimony (μ g/L) | 226.287 |
| Arsenic (μ g/L) | 7.001 |
| Mercury (μ g/L) | 2.390 |
Claims (3)
1. the treatment process of an acid wastewater in mine is characterized in that: adopt charcoal, lime carbonate, fiber that acid wastewater in mine is filtered; Charcoal, lime carbonate, each filtering layer thickness of fiber all are not less than 10mm.
2. according to the described treatment process of claim 1, it is characterized in that: said charcoal specification is sphere or the powdery below the diameter 100mm.
3. according to the described treatment process of claim 1, it is characterized in that: said fiber is a vegetable fibre, and specification is filament length 3～70mm, silk footpath 3～100 μ m, and profile is the flat spheroid of diameter 3～30mm, thick 2～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148377.2A CN102689935B (en) | 2012-05-14 | 2012-05-14 | A kind for the treatment of process of acid wastewater in mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210148377.2A CN102689935B (en) | 2012-05-14 | 2012-05-14 | A kind for the treatment of process of acid wastewater in mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689935A true CN102689935A (en) | 2012-09-26 |
| CN102689935B CN102689935B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210148377.2A Expired - Fee Related CN102689935B (en) | 2012-05-14 | 2012-05-14 | A kind for the treatment of process of acid wastewater in mine |
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| CN (1) | CN102689935B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936200A (en) * | 2014-04-22 | 2014-07-23 | 苏州羽帆新材料科技有限公司 | Treatment method of heavy metal waste water |
| CN104003556A (en) * | 2014-06-12 | 2014-08-27 | 苏州经贸职业技术学院 | Method for treating heavy metal sewage |
| CN111252873A (en) * | 2020-02-20 | 2020-06-09 | 中国科学院过程工程研究所 | Source inhibition method for acid mine wastewater |
| CN112723599A (en) * | 2020-12-18 | 2021-04-30 | 爱土工程环境科技有限公司 | Deep bed ion reaction mine wastewater treatment method |
| CN115364820A (en) * | 2022-08-21 | 2022-11-22 | 贵州师范大学 | Preparation method of oleophobic liquid-phase mercury ion adsorption material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872724A (en) * | 2006-06-21 | 2006-12-06 | 哈尔滨工业大学 | Pretreatment method for wastewater of ammonia nitrogen in high density |
-
2012
- 2012-05-14 CN CN201210148377.2A patent/CN102689935B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872724A (en) * | 2006-06-21 | 2006-12-06 | 哈尔滨工业大学 | Pretreatment method for wastewater of ammonia nitrogen in high density |
Non-Patent Citations (3)
| Title |
|---|
| 《金属矿山》 19850531 邵孝峰等 DSP型变速膨胀塔-石灰石法对硫铁矿酸性废水处理技术的研究 第45页 1-3 , 第5期 * |
| 王化周等: "氧化沉淀法废水脱砷的研究", 《化工环保》 * |
| 邵孝峰等: "DSP型变速膨胀塔—石灰石法对硫铁矿酸性废水处理技术的研究", 《金属矿山》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936200A (en) * | 2014-04-22 | 2014-07-23 | 苏州羽帆新材料科技有限公司 | Treatment method of heavy metal waste water |
| CN104003556A (en) * | 2014-06-12 | 2014-08-27 | 苏州经贸职业技术学院 | Method for treating heavy metal sewage |
| CN111252873A (en) * | 2020-02-20 | 2020-06-09 | 中国科学院过程工程研究所 | Source inhibition method for acid mine wastewater |
| CN111252873B (en) * | 2020-02-20 | 2021-06-08 | 中国科学院过程工程研究所 | Source inhibition method for acid mine wastewater |
| CN112723599A (en) * | 2020-12-18 | 2021-04-30 | 爱土工程环境科技有限公司 | Deep bed ion reaction mine wastewater treatment method |
| CN112723599B (en) * | 2020-12-18 | 2021-10-29 | 爱土工程环境科技有限公司 | Deep bed ion reaction mine wastewater treatment method |
| CN115364820A (en) * | 2022-08-21 | 2022-11-22 | 贵州师范大学 | Preparation method of oleophobic liquid-phase mercury ion adsorption material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102689935B (en) | 2016-01-20 |
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Granted publication date: 20160120 Termination date: 20200514 |