CN113060912A - Antimony ore wastewater treatment method - Google Patents
Antimony ore wastewater treatment method Download PDFInfo
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- CN113060912A CN113060912A CN202110432546.4A CN202110432546A CN113060912A CN 113060912 A CN113060912 A CN 113060912A CN 202110432546 A CN202110432546 A CN 202110432546A CN 113060912 A CN113060912 A CN 113060912A
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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
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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
- 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
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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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
- 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
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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
- 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
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The application discloses an antimony ore wastewater treatment method in the technical field of wastewater treatment, which comprises the following steps: filling a roadway: filling the roadway of the antimony ore with a filling material, and adsorbing antimony dissolved in water by the filling material; draining: uniformly collecting the wastewater gushed after the roadway is filled, and discharging the wastewater into a multi-stage reaction tank; neutralizing: neutralizing antimony in the wastewater by using an alkaline agent in a multistage reaction tank to form a precipitate for precipitation, reducing the antimony in the wastewater, and adjusting the pH value of the wastewater to maintain the pH value of the wastewater at 6-8; tail treatment: discharging the treated wastewater in the multistage reaction tank in the third step into a wetland system, wherein the wetland system comprises a medium layer, a soil layer covers the medium layer, and plants are uniformly planted in the soil layer; and the wastewater enters the wetland system, permeates into the soil layer through plants and finally is treated through the dielectric layer. The scheme solves the problem that the waste water in the waste antimony ore may cause environmental pollution.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a method for treating antimony ore wastewater.
Background
Antimony is a non-renewable nonferrous metal, and antimony and its compounds are widely used in various fields such as ceramics, enamels, rubbers, pigments, semiconductor elements, glass, alloys, etc. However, antimony is not an essential element of the organism, and has cumulative toxicity and carcinogenicity.
In some waste antimony ores, because the mine is only used for simply plugging an inlet, more water is gathered in the mine along with the overflow of underground water, more antimony is dissolved in the water after the water is soaked in the antimony ores for a long time, the content of the antimony exceeds the standard, and if the part of waste water is not treated, environmental pollution and ecological damage are caused when the part of waste water flows into the surrounding environment.
Disclosure of Invention
The invention aims to provide a method for treating antimony ore wastewater, which aims to solve the problem that the wastewater in waste antimony ore may cause environmental pollution.
In order to solve the technical problems, the invention provides the following technical scheme: a method for treating antimony ore wastewater comprises the following steps:
step one, roadway filling: the filling material filling device is characterized in that a vertical rectangular columnar filling frame is arranged in a roadway, the top of the filling frame is communicated with the outside of the roadway, an inner frame is vertically and slidably connected to the inner wall of the filling frame, a plurality of partition plates are arranged at intervals in the vertical direction of the inner frame, a plurality of gaps are formed in the partition plates, vertical baffle plates are fixedly connected to the periphery of the partition plates, the roadway of antimony ore is filled with the filling material, meanwhile, the filling material is filled between the partition plates, has an adsorption function, and adsorbs antimony dissolved in water through the filling material;
step two, draining water: uniformly collecting the wastewater gushed after the roadway is filled, and discharging the wastewater into a multi-stage reaction tank;
step three, neutralization: neutralizing antimony in the wastewater by using an alkaline agent in a multistage reaction tank to form a precipitate for precipitation, reducing the antimony in the wastewater, and adjusting the pH value of the wastewater to maintain the pH value of the wastewater at 6-8;
step four, tail treatment: discharging the treated wastewater in the multistage reaction tank in the third step into a wetland system, wherein the wetland system comprises a medium layer, a soil layer covers the medium layer, and plants are uniformly planted in the soil layer; and the wastewater enters the wetland system, permeates into the soil layer through plants and finally is treated through the dielectric layer.
The invention has the following working principle and beneficial effects: according to the scheme, the waste antimony ore is filled through the adsorption material with an adsorption function, the adsorption material is used for plugging the waste antimony ore and adsorbing antimony dissolved in antimony ore wastewater, the content of the antimony in the wastewater is reduced, then the wastewater discharged from the filled waste antimony ore is discharged into the multistage reaction tank, the antimony reaches a precipitation pH value under an alkaline condition in the multistage reaction tank, then the part of the precipitate with the antimony is precipitated in the precipitation tank in the reaction tank, the content of the antimony in the wastewater is greatly reduced after multiple times of neutralization and precipitation, finally the wastewater subjected to multistage neutralization and precipitation treatment is discharged into a wetland system, organic matters in the wastewater are absorbed through plants in the wetland system, a soil layer and a dielectric layer are filtered and subjected to final neutralization reaction, and triple synergistic effects of physics, chemistry and biology are carried out for treatment. After the adsorption force of the filling material in the filling frame reaches a saturated state, the inner frame is pulled upwards, the inner frame moves upwards in the filling frame, the partition plate is driven to move upwards simultaneously until the filling material exceeds the top of the filling frame, then the filling material with the adsorption force in the saturated state is taken out, then new filling material is put into the partition plate, and then the inner frame is placed back to the original position.
Carry out antimony ore waste water treatment through this scheme, antimony content in can effectual reduction antimony ore waste water makes the antimony content in the waste water be less than waste water discharge standard far away, can not be to discharging surrounding environment and ecological modeling influence.
Further, the filling materials in the step one are limestone, attapulgite, iron powder, activated carbon and a matrix bag. The antimony dissolved in the water body is adsorbed by the adsorption effect of the filling material, the content of the antimony in the wastewater is reduced, and an anaerobic environment is formed after filling to inhibit the release of the primary mineral antimony oxide; and finally, promoting the growth of microorganisms through the substrate bag, further generating sulfide to react with soluble antimony to generate precipitate, and further reducing the content of antimony in the wastewater in the antimony ore.
Furthermore, a collecting well is arranged outside the waste antimony ore in the second step, and the antimony ore wastewater is discharged into the collecting well in a unified manner after being gushed out. The aim is to introduce waste water into a collecting well after waste water gushes out waste antimony ore, large-particle waste residues in the waste water can be preliminarily precipitated in the collecting well, and the content of the waste residues in the waste water is reduced.
Furthermore, the end of intaking of multistage reaction tank is equipped with two blocks of reaction walls, and the reaction wall fretwork sets up and is filled with the carbonate rock. The aim is to enable the waste water to pass through the reaction wall through the arrangement, improve the pH value and utilize the antimony in the waste water to precipitate.
Further, the plants in the fourth step are made of turf. The purpose is that the grass has strong vitality, is not easy to die, has large amount and can absorb more organic matters in the waste water.
Further, the baffle plate is detachably connected to the inner frame. Its purpose can be according to actual demand regulation baffle quantity or adjust the interval between baffle and the baffle through this kind of mode.
Furthermore, two opposite sides of the top of the filling frame are fixedly connected with transverse supporting rods, and one end of each supporting rod, which is far away from the filling frame, is rotatably connected with a winch; the two edges of the outer bottom of the inner frame are symmetrically provided with hanging rings, two hanging rings are fixedly connected with traction ropes, and one ends, far away from the hanging rings, of the traction ropes are fixedly connected to a winch. Its purpose, during the use, antimony ore waste water in the tunnel passes the clearance on the baffle then sees through the filler material, then overflows from the tunnel junction, when filler material's adsorption efficiency reached saturation needs to carry out the material change, rotates two winches simultaneously, and haulage rope twines on the winch and pulls the inner tower upward movement in the packing frame until being located outside the tunnel during the capstan rotation, then with the filler material change on the baffle can.
Drawings
FIG. 1 is a schematic structural view of a packing frame in an embodiment of a method for treating antimony ore wastewater according to the present invention;
fig. 2 is a schematic structural view of the internal frame in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a winch 1, a support rod 2, a traction rope 3, an inner frame 4, a partition plate 5, a gap 6, a filling material 7, a filling frame 8 and a hanging ring 9.
Examples
A method for treating antimony ore wastewater comprises the following steps:
step one, roadway filling: filling the roadways of the antimony ores with filling materials, wherein the filling materials are limestone, attapulgite, iron powder, activated carbon and a matrix bag, and are used for adsorbing antimony dissolved in a water body and reducing the content of the antimony in the wastewater through the adsorption effect of the filling materials, and simultaneously forming an anaerobic environment after filling to inhibit the release of primary mineral antimony oxide; and finally, promoting the growth of microorganisms through the substrate bag, further generating sulfide to react with soluble antimony to generate precipitate, and further reducing the content of antimony in the wastewater in the antimony ore.
Step two, draining water: collecting the waste water gushed after filling the laneway into a collecting well outside the antimony ore, and then discharging the waste water in the collecting well into a multi-stage reaction tank;
step three, neutralization: neutralizing antimony in the wastewater by using an alkaline agent in a multistage reaction tank to form a precipitate for precipitation, reducing the antimony in the wastewater, and adjusting the pH value of the wastewater to maintain the pH value of the wastewater at 6-8; the water inlet end of the multistage reaction tank is provided with two reaction walls, and the reaction walls are hollowed and filled with carbonate rocks.
Step four, tail treatment: discharging the treated wastewater in the multistage reaction tank in the third step into a wetland system, wherein the wetland system comprises a medium layer, a soil layer covers the medium layer, and turf is uniformly planted on the soil layer; and the wastewater enters the wetland system, permeates into the soil layer through plants and finally is treated through the dielectric layer.
The comparative example in Table 1 is the content of antimony in the waste water of the waste antimony ore without and after treatment by the method.
| In the mine hole | Outside mine hole | Standard limit value | |
| Comparative example (antimony content) | 7.877mg/L | 7.156mg/L | 0.5mg/L |
TABLE 1
Table 2 shows the antimony content of the wastewater from the wetland outlet and the collection well after treatment according to this embodiment.
| Collecting well | Wetland outlet | Standard limit value | |
| Example 1 (antimony content) | 0.170mg/L | 0.0814mg/L | 0.3mg/L |
TABLE 2
As is clear from Table 2, the antimony content of the antimony ore wastewater after flowing out of the collecting well through the filling material is 0.170mg/L, and after neutralization treatment is carried out through the multistage reaction tank and the wetland system, the antimony content of the antimony ore wastewater is 0.0814mg/L, which is far lower than the emission standard of tin, antimony and mercury industrial pollutants (GB 30770-2014).
The packing frame is shown in the attached drawings 1 and 2, a vertical rectangular columnar packing frame 8 is arranged in a roadway, the top of the packing frame 8 is communicated with the outside of the roadway, two opposite sides of the top of the packing frame 8 are fixedly connected with transverse supporting rods 2, one end, far away from the packing frame 8, of each supporting rod 2 is rotatably connected with a winch 1, an inner frame 4 is vertically and slidably connected onto the inner wall of the packing frame 8, hanging rings 9 are symmetrically arranged at two edges of the outer bottom of the inner frame 4, traction ropes 3 are fixedly connected onto the two hanging rings 9, and one end, far away from the hanging rings 9, of each traction rope 3 is fixedly connected onto the winch 1. The interval is equipped with polylith baffle 5 in the vertical direction of inner tower 4, and the connection can be dismantled on inner tower 4 to baffle 5, is equipped with many clearances 6 on the baffle 5, and equal fixedly connected with vertical baffle on the week of baffle 5 is filled the tunnel of antimony ore with filler material 7, and filler material 7 still fills between baffle 5 and baffle 5 simultaneously.
The specific implementation process comprises the following steps:
during the use, antimony ore waste water in the tunnel passes clearance 6 on the baffle 5 then sees through filler material 7, then overflows from the tunnel junction, when filler material 7's adsorption capacity reaches saturation and needs to carry out the material change, rotates two capstan winches 1 simultaneously, and haulage rope 3 twines on capstan winch 1 and pulls inner tower 4 upward movement in packing frame 8 until being located outside the tunnel when capstan winch 1 rotates, then with the filler material 7 change on the baffle 5 can.
Claims (7)
1. The antimony ore wastewater treatment method is characterized by comprising the following steps:
step one, roadway filling: the filling material filling device is characterized in that a vertical rectangular columnar filling frame is arranged in a roadway, the top of the filling frame is communicated with the outside of the roadway, an inner frame is vertically and slidably connected to the inner wall of the filling frame, a plurality of partition plates are arranged at intervals in the vertical direction of the inner frame, a plurality of gaps are formed in the partition plates, vertical baffle plates are fixedly connected to the periphery of the partition plates, the roadway of antimony ore is filled with the filling material, meanwhile, the filling material is filled between the partition plates, has an adsorption function, and adsorbs antimony dissolved in water through the filling material;
step two, draining water: uniformly collecting the wastewater gushed after the roadway is filled, and discharging the wastewater into a multi-stage reaction tank;
step three, neutralization: neutralizing antimony in the wastewater by using an alkaline agent in a multistage reaction tank to form a precipitate for precipitation, reducing the antimony in the wastewater, and adjusting the pH value of the wastewater to maintain the pH value of the wastewater at 6-8;
step four, tail treatment: discharging the treated wastewater in the multistage reaction tank in the third step into a wetland system, wherein the wetland system comprises a medium layer, a soil layer covers the medium layer, and plants are uniformly planted in the soil layer; and the wastewater enters the wetland system, permeates into the soil layer through plants and finally is treated through the dielectric layer.
2. The method for treating antimony ore wastewater according to claim 1, characterized in that: the filling materials in the first step are limestone, attapulgite, iron powder, activated carbon and a matrix bag.
3. The antimony ore wastewater treatment method according to claim 2, characterized in that: and in the second step, a collecting well is arranged outside the waste antimony ore, and the antimony ore wastewater is discharged into the collecting well in a unified manner after being gushed out.
4. The antimony ore wastewater treatment method according to claim 3, characterized in that: the water inlet end of the multistage reaction tank is provided with two reaction walls, and the reaction walls are hollowed and filled with carbonate rocks.
5. The antimony ore wastewater treatment method according to claim 4, characterized in that: the plants in the fourth step are made of turf.
6. The method for treating antimony ore wastewater according to claim 1, characterized in that: the baffle is detachably connected to the inner frame.
7. The antimony ore wastewater treatment method according to claim 6, characterized in that: two opposite sides of the top of the filling frame are fixedly connected with transverse supporting rods, and one end of each supporting rod, far away from the filling frame, is rotatably connected with a winch; the two edges of the outer bottom of the inner frame are symmetrically provided with hanging rings, two hanging rings are fixedly connected with traction ropes, and one ends, far away from the hanging rings, of the traction ropes are fixedly connected to a winch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432546.4A CN113060912A (en) | 2021-04-21 | 2021-04-21 | Antimony ore wastewater treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110432546.4A CN113060912A (en) | 2021-04-21 | 2021-04-21 | Antimony ore wastewater treatment method |
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| Publication Number | Publication Date |
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| CN113060912A true CN113060912A (en) | 2021-07-02 |
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| CN202110432546.4A Withdrawn CN113060912A (en) | 2021-04-21 | 2021-04-21 | Antimony ore wastewater treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969608A (en) * | 2023-08-03 | 2023-10-31 | 安徽静东生态科技有限公司 | Low-carbon green energy microecological coupling reactor and water body purifying system |
-
2021
- 2021-04-21 CN CN202110432546.4A patent/CN113060912A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969608A (en) * | 2023-08-03 | 2023-10-31 | 安徽静东生态科技有限公司 | Low-carbon green energy microecological coupling reactor and water body purifying system |
| CN116969608B (en) * | 2023-08-03 | 2024-02-13 | 安徽静东生态科技有限公司 | Low-carbon green energy microecological coupling reactor and water body purifying system |
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Application publication date: 20210702 |
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