CN105906168A - Mine wastewater recovery treatment method - Google Patents
Mine wastewater recovery treatment method Download PDFInfo
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- CN105906168A CN105906168A CN201610495311.9A CN201610495311A CN105906168A CN 105906168 A CN105906168 A CN 105906168A CN 201610495311 A CN201610495311 A CN 201610495311A CN 105906168 A CN105906168 A CN 105906168A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Abstract
The invention discloses a mine wastewater recovery treatment method. The method comprises the following steps: primary treatment, secondary treatment, tertiary treatment and quaternary treatment. The method can continuously perform comprehensive treatment on mine wastewater, has the advantages of high treatment efficiency and high speed, can remove acidic substances in wastewater, and can effectively and comprehensively remove heavy metals. The four-stage treatment technique is utilized, so that the pollution-free water is discharged into the natural environment after the heavy metals in the wastewater are treated, thereby reducing the influence on the surrounding environment and resident living.
Description
Technical field
The invention belongs to waste water treatment field, particularly relate to a kind of mine wastewater recovery and treatment method.
Background technology
Mine industry is mainstay of the national economy industry, during mining and ore processing, defines
Produce waste water in a large number, including acid wastewater in mine and flotation processing waste water.The acid wastewater in mine wherein produced
Have that pH value is low, colourity is high, containing substantial amounts of heavy metal ion, if surrounding is caused by the most treated meeting
Harm greatly, relatively low pH value can make water quality and soil acidification, causes aquatic animal extinction and crops
The underproduction, especially heavy metal ion once enter water body and soil, are difficult to be removed, can be animal and planting
Enrichment in object, and then enter human body by food chain, and harm cycle incubation period is long, is difficult in the short time
Manifest.In " eight big public hazards " contamination accident that the whole world is famous, " minamata disease event " and " Itai-itai diseases " event
Just by caused by heavy metal Hg and cadmium, it is therefore necessary to waste water is carried out harmless treatment.
Summary of the invention
It is an object of the invention to the problem above overcoming prior art to exist, it is provided that a kind of mine wastewater reclaims
Processing method, effectively clears up the harmful substance in mine wastewater, reduces straight to natural environment of waste water
Connect pollution.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of mine wastewater recovery and treatment method, said method comprising the steps of:
(1) coagulation: mine wastewater is incorporated into coagulation pond, is arranged in porch, coagulation pond
Four layers of drainage screen, are provided with equally distributed bentonite between ground floor to second layer drainage screen, and the second layer is extremely
It is provided with equally distributed activated carbon between third layer drainage screen, arranges between third layer to the 4th layer drainage screen
There is equally distributed zeolite, be covered with geotextiles, one at ground floor drainage screen and the 4th layer of drainage screen outer surface
Level process exit, pond micro-filtration membrane is installed, this NF membrane pore size control at 0.3~0.5 micron, outlet pressure control
System is 0.3~0.5MPa;
(2) two stage treatment: the waste water after coagulation is incorporated into two stage treatment pond, in two stage treatment pond
Two ends are provided with minus plate and positive plate, are provided with some negative electrodes being alternately placed between minus plate and positive plate
Film and anode film, and the two stage treatment pond port of export and arrival end are provided with NF membrane, the aperture of this NF membrane
Controlling 0.1~0.3nm, inlet pressure controls 0.5~0.7MPa;
(3) tertiary treatment: the waste water after two stage treatment is incorporated into tertiary treatment pond, in tertiary treatment pond
It is sequentially added into aluminium polychlorid, polyaluminium sulfate, ferrous sulfate and is uniformly mixed, at 20~30 minutes
After be sequentially added into polyacrylamide, lignin derivative mix and blend 10~15 at a temperature of 60~70 DEG C
Minute, it is subsequently adding sodium hydroxide, carries out being sufficiently mixed stirring 5~10 minutes and standing 30~45 minutes;
(4) level Four processes: waste water after tertiary treatment is incorporated into clean water treatment district, and this clean water treatment district is three
Level processes the transition region between pond and natural water, uniformly plants and be implanted with Herba Spirodelae in this region in upstream region, its
The planting density of middle Herba Spirodelae control 20~25 strains/square metre, uniformly plant in this midstream region, region and be implanted with Herba Typhae,
Wherein the planting density of Herba Typhae control 25~30 strains/square metre, uniformly plant in Xia You region, this region and be implanted with reed
Reed, wherein the planting density of phragmites communis control 35~40 strains/square metre, whole clean water treatment district is evenly equipped with cyanophyceae
With chlorella.
Further, in described coagulation, the aperture of each layer drainage screen is identical and is 3~5mm.
Further, in described two stage treatment, the mutual spacing of cathodic coating and anode film is 10~15cm.
The invention has the beneficial effects as follows:
The present invention continuously can carry out overall treatment to mine wastewater, and treatment effeciency is high, and speed is fast,
Not only the acidic materials in waste water are removed, further heavy metal therein have been carried out the most comprehensively
Cleaning, the level Four arranged by classification processes technique, non-pollution discharge after the heavy metal in waste water being processed
In natural environment, reduce surrounding and the impact of resident living.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this is real
Execute example to be only used for explaining the present invention, be not intended that limiting the scope of the present invention.
Embodiment 1:
A kind of mine wastewater recovery and treatment method, said method comprising the steps of:
(1) coagulation: mine wastewater is incorporated into coagulation pond, is arranged in porch, coagulation pond
Four layers of drainage screen, are provided with equally distributed bentonite between ground floor to second layer drainage screen, and the second layer is extremely
It is provided with equally distributed activated carbon between third layer drainage screen, arranges between third layer to the 4th layer drainage screen
There is equally distributed zeolite, be covered with geotextiles, one at ground floor drainage screen and the 4th layer of drainage screen outer surface
Level processes exit, pond and is provided with micro-filtration membrane, and this NF membrane pore size control is at 0.3 micron, and outlet pressure controls
0.3MPa;
(2) two stage treatment: the waste water after coagulation is incorporated into two stage treatment pond, in two stage treatment pond
Two ends are provided with minus plate and positive plate, are provided with some negative electrodes being alternately placed between minus plate and positive plate
Film and anode film, and the two stage treatment pond port of export and arrival end are provided with NF membrane, the aperture of this NF membrane
Controlling at 0.1nm, inlet pressure controls at 0.5MPa;
(3) tertiary treatment: the waste water after two stage treatment is incorporated into tertiary treatment pond, in tertiary treatment pond
It is sequentially added into aluminium polychlorid, polyaluminium sulfate, ferrous sulfate and is uniformly mixed, depending on after 20 minutes
Secondary addition polyacrylamide, lignin derivative mix and blend 10 minutes at a temperature of 60 DEG C, then add
Enter sodium hydroxide, carry out being sufficiently mixed stirring 5 minutes and standing 30 minutes;
(4) level Four processes: waste water after tertiary treatment is incorporated into clean water treatment district, and this clean water treatment district is three
Level processes the transition region between pond and natural water, uniformly plants and be implanted with Herba Spirodelae in this region in upstream region, its
The planting density of middle Herba Spirodelae control 20 strains/square metre, uniformly plant in this midstream region, region and be implanted with Herba Typhae, its
The planting density of middle Herba Typhae control 25 strains/square metre, uniformly plant in Xia You region, this region and be implanted with phragmites communis, its
The planting density of middle phragmites communis control 35 strains/square metre, whole clean water treatment district is evenly equipped with cyanophyceae and chlorella.
Wherein, in coagulation, the aperture of each layer drainage screen is identical and is 3mm, cathodic coating in two stage treatment
It is 10cm with the mutual spacing of anode film.
Embodiment 2:
A kind of mine wastewater recovery and treatment method, said method comprising the steps of:
(1) coagulation: mine wastewater is incorporated into coagulation pond, is arranged in porch, coagulation pond
Four layers of drainage screen, are provided with equally distributed bentonite between ground floor to second layer drainage screen, and the second layer is extremely
It is provided with equally distributed activated carbon between third layer drainage screen, arranges between third layer to the 4th layer drainage screen
There is equally distributed zeolite, be covered with geotextiles, one at ground floor drainage screen and the 4th layer of drainage screen outer surface
Level processes exit, pond and is provided with micro-filtration membrane, and this NF membrane pore size control is at 0.5 micron, and outlet pressure controls
0.5MPa;
(2) two stage treatment: the waste water after coagulation is incorporated into two stage treatment pond, in two stage treatment pond
Two ends are provided with minus plate and positive plate, are provided with some negative electrodes being alternately placed between minus plate and positive plate
Film and anode film, and the two stage treatment pond port of export and arrival end are provided with NF membrane, the aperture of this NF membrane
Controlling at 0.3nm, inlet pressure controls at 0.7MPa;
(3) tertiary treatment: the waste water after two stage treatment is incorporated into tertiary treatment pond, in tertiary treatment pond
It is sequentially added into aluminium polychlorid, polyaluminium sulfate, ferrous sulfate and is uniformly mixed, depending on after 30 minutes
Secondary addition polyacrylamide, lignin derivative mix and blend 15 minutes at a temperature of 70 DEG C, then add
Enter sodium hydroxide, carry out being sufficiently mixed stirring 10 minutes and standing 45 minutes;
(4) level Four processes: waste water after tertiary treatment is incorporated into clean water treatment district, and this clean water treatment district is three
Level processes the transition region between pond and natural water, uniformly plants and be implanted with Herba Spirodelae in this region in upstream region, its
The planting density of middle Herba Spirodelae control 25 strains/square metre, uniformly plant in this midstream region, region and be implanted with Herba Typhae, its
The planting density of middle Herba Typhae control 30 strains/square metre, uniformly plant in Xia You region, this region and be implanted with phragmites communis, its
The planting density of middle phragmites communis control 40 strains/square metre, whole clean water treatment district is evenly equipped with cyanophyceae and chlorella.
Wherein, in coagulation, the aperture of each layer drainage screen is identical and is 5mm, cathodic coating in two stage treatment
It is 15cm with the mutual spacing of anode film.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description
The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention
Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.
Claims (3)
1. a mine wastewater recovery and treatment method, it is characterised in that said method comprising the steps of:
(1) coagulation: mine wastewater is incorporated into coagulation pond, sets in porch, coagulation pond
Put four layers of drainage screen, between ground floor to second layer drainage screen, be provided with equally distributed bentonite, second
Layer between third layer drainage screen, be provided with equally distributed activated carbon, third layer to the 4th layer drainage screen it
Between be provided with equally distributed zeolite, be covered with geotechnique at ground floor drainage screen and the 4th layer of drainage screen outer surface
Cloth, is provided with micro-filtration membrane in exit, coagulation pond, this NF membrane pore size control at 0.3~0.5 micron,
Outlet pressure controls 0.3~0.5MPa;
(2) two stage treatment: the waste water after coagulation is incorporated into two stage treatment pond, in two stage treatment pond
Two ends be provided with minus plate and positive plate, be provided with some being alternately placed between minus plate and positive plate
Cathodic coating and anode film, and the two stage treatment pond port of export and arrival end are provided with NF membrane, this NF membrane
Pore size control 0.1~0.3nm, inlet pressure controls 0.5~0.7MPa;
(3) tertiary treatment: the waste water after two stage treatment is incorporated into tertiary treatment pond, in tertiary treatment pond
In be sequentially added into aluminium polychlorid, polyaluminium sulfate, ferrous sulfate and be uniformly mixed, 20~30
Polyacrylamide, lignin derivative mix and blend at a temperature of 60~70 DEG C it is sequentially added into after minute
10~15 minutes, it is subsequently adding sodium hydroxide, carries out being sufficiently mixed stirring 5~10 minutes and standing 30~45
Minute;
(4) level Four processes: waste water after tertiary treatment is incorporated into clean water treatment district, and this clean water treatment district is
Transition region between tertiary treatment pond and natural water, uniformly plants in upstream region in this region and is implanted with Herba Spirodelae,
Wherein the planting density of Herba Spirodelae control 20~25 strains/square metre, uniformly plant in this midstream region, region and be implanted with
Herba Typhae, wherein the planting density of Herba Typhae control 25~30 strains/square metre, in Xia You region, this region uniformly
Kind be implanted with phragmites communis, wherein the planting density of phragmites communis control 35~40 strains/square metre, whole clean water treatment district
It is evenly equipped with cyanophyceae and chlorella.
A kind of mine wastewater recovery and treatment method the most according to claim 1, it is characterised in that: institute
State in coagulation that the aperture of each layer drainage screen is identical and is 3~5mm.
A kind of mine wastewater recovery and treatment method the most according to claim 1, it is characterised in that: institute
Stating the mutual spacing of cathodic coating and anode film in two stage treatment is 10~15cm.
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CN201610495311.9A CN105906168B (en) | 2016-06-27 | 2016-06-27 | A kind of mine wastewater recovery and treatment method |
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CN201610495311.9A CN105906168B (en) | 2016-06-27 | 2016-06-27 | A kind of mine wastewater recovery and treatment method |
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CN105906168A true CN105906168A (en) | 2016-08-31 |
CN105906168B CN105906168B (en) | 2019-06-14 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110038885A (en) * | 2019-06-05 | 2019-07-23 | 湖南双晟科技信息咨询有限公司 | A kind of restorative procedure of mine soil |
CN114455711A (en) * | 2022-02-10 | 2022-05-10 | 江西省生态环境科学研究与规划院 | Filler and application thereof |
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CN104150688A (en) * | 2014-07-25 | 2014-11-19 | 中国环境科学研究院 | Device for classifying organic matters in underground water and purifying underground water by areas and purifying method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110038885A (en) * | 2019-06-05 | 2019-07-23 | 湖南双晟科技信息咨询有限公司 | A kind of restorative procedure of mine soil |
CN114455711A (en) * | 2022-02-10 | 2022-05-10 | 江西省生态环境科学研究与规划院 | Filler and application thereof |
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