CN117509996A - Wastewater treatment device and wastewater treatment method for perovskite flotation - Google Patents
Wastewater treatment device and wastewater treatment method for perovskite flotation Download PDFInfo
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- CN117509996A CN117509996A CN202410013942.7A CN202410013942A CN117509996A CN 117509996 A CN117509996 A CN 117509996A CN 202410013942 A CN202410013942 A CN 202410013942A CN 117509996 A CN117509996 A CN 117509996A
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- wastewater treatment
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 26
- 238000005188 flotation Methods 0.000 title claims abstract description 16
- 238000005345 coagulation Methods 0.000 claims abstract description 41
- 230000015271 coagulation Effects 0.000 claims abstract description 41
- 239000002351 wastewater Substances 0.000 claims abstract description 39
- 238000004062 sedimentation Methods 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 19
- 230000003647 oxidation Effects 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 5
- 231100000719 pollutant Toxicity 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000000701 coagulant Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 229910021645 metal ion Inorganic materials 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- PMTRSEDNJGMXLN-UHFFFAOYSA-N titanium zirconium Chemical compound [Ti].[Zr] PMTRSEDNJGMXLN-UHFFFAOYSA-N 0.000 claims description 4
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003311 flocculating effect Effects 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims description 3
- 229910001453 nickel ion Inorganic materials 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000001112 coagulating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Classifications
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
-
- 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
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- 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
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- 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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention mainly relates to the field of wastewater treatment, in particular to a wastewater treatment device and a wastewater treatment method for perovskite flotation. The wastewater treatment device comprises an adjusting tank, wherein a screen is arranged in the adjusting tank and is used for pretreating large-particle substances and impurities in wastewater; a coagulation tank is connected behind the regulating tank and is used for carrying out coagulation reaction; a sedimentation tank is connected behind the coagulation tank, and a filter and a PH adjusting device are connected behind the sedimentation tank; a membrane separation device, a biological filter and a chemical oxidation device are sequentially connected between the filter and the PH adjusting device; electric regulating valves are arranged on the pipelines among the regulating tank, the coagulation tank and the sedimentation tank, and are connected with a control system. Through setting up equalizing basin, coagulating basin, sedimentation tank, filter, PH adjusting device, membrane separation device, biological filter and chemical oxidation device processing unit, can get rid of all kinds of pollutants in the waste water, improve out water quality, reach environmental protection emission or reuse's standard.
Description
Technical Field
The invention mainly relates to the field of wastewater treatment, in particular to a wastewater treatment device and a wastewater treatment method for perovskite flotation.
Background
In the field of wastewater treatment, particularly for wastewater treatment for perovskite flotation, a number of challenges are often faced. These waste waters often contain a large amount of contaminants such as metal ions, organics, suspended matter, etc., which have serious environmental and human health effects. Therefore, it is important to develop an efficient and stable wastewater treatment device and treatment method.
The existing wastewater treatment device and treatment method often have the problems of low treatment efficiency, unstable treatment effect, complex operation and maintenance and the like.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme.
The wastewater treatment device for the zirconium titanium ore flotation comprises an adjusting tank, wherein a screen is arranged in the adjusting tank and is used for pretreating large-particle substances and impurities in wastewater; a coagulation tank is connected behind the regulating tank and is used for carrying out coagulation reaction; a sedimentation tank is connected behind the coagulation tank, and a filter and a PH adjusting device are connected behind the sedimentation tank;
a membrane separation device, a biological filter and a chemical oxidation device are sequentially connected between the filter and the PH adjusting device;
electric regulating valves are arranged on pipelines among the regulating tank, the coagulation tank and the sedimentation tank, and are connected with a control system.
Further, the control system comprises a liquid level meter and a processor which are arranged in the regulating tank, the coagulation tank and the sedimentation tank.
Further, the coagulation tank comprises a mixing area and a reaction area, wherein stirring paddles are arranged in the mixing area; and a guide wall and a baffle are arranged in the reaction zone.
Further, the sedimentation tank is connected with a sludge processor.
Further, an aeration device is arranged in the coagulation tank.
Further, microorganisms capable of leaching nickel ions are arranged in the biological pond.
By utilizing the device, the invention also discloses a method for treating the wastewater generated by the perovskite flotation, which comprises the following steps:
s1, wastewater enters an adjusting tank, water quality, water quantity and pH value are adjusted, and simultaneously coagulant is added for coagulation reaction;
s2, in a coagulation tank, colloidal substances and micro suspended matters in the wastewater react with a coagulant to form larger floccules;
s3, the wastewater enters a sedimentation tank, flocculating constituents are settled down through gravity sedimentation, and supernatant fluid enters the next step of treatment;
s4, further removing micro suspended matters and colloid substances in the wastewater by using a filter medium through a filter;
s5, the wastewater sequentially passes through a membrane separation device, a biological filter and a chemical oxidation device to further remove pollutants in the wastewater;
s6, adding an acid-base regulator into the effluent through a pH regulator according to the requirement to adjust the pH value of the effluent to reach the emission standard or the recycling standard;
s7, contacting with microorganisms to convert metal ions in the wastewater into soluble ions;
s8, discharging or recycling the treated wastewater.
The invention has the beneficial effects that: through setting up equalizing basin, coagulating basin, sedimentation tank, filter, PH adjusting device, membrane separation device, biological filter and chemical oxidation device processing unit, can get rid of all kinds of pollutants in the waste water effectively, improve out water quality, reach environmental protection emission or reuse's standard. Meanwhile, the electric regulating valve is arranged on the pipeline among the regulating tank, the coagulation tank and the sedimentation tank and is connected with the control system, so that the accurate control of the treatment process can be realized, the treatment efficiency is improved, and the treatment effect is enhanced. In addition, through setting up mixing zone and reaction zone and stirring rake, guide wall and baffle structure, can optimize coagulation reaction and sedimentation effect, improve waste water treatment's efficiency and stability. In a word, the invention has the advantages of reasonable structure, good treatment effect and accurate control, and is suitable for the treatment of wastewater for the zirconium titanium ore flotation.
Detailed Description
The present invention will be described in further detail below.
The wastewater treatment device for the zirconium titanium ore flotation comprises an adjusting tank, wherein a screen is arranged in the adjusting tank and is used for pretreating large-particle substances and impurities in wastewater; a coagulation tank is connected behind the regulating tank and is used for carrying out coagulation reaction; a sedimentation tank is connected behind the coagulation tank, and a filter and a PH adjusting device are connected behind the sedimentation tank;
a membrane separation device, a biological filter and a chemical oxidation device are sequentially connected between the filter and the PH adjusting device;
electric regulating valves are arranged on pipelines among the regulating tank, the coagulation tank and the sedimentation tank, and are connected with a control system.
The control system comprises a liquid level meter and a processor which are arranged in the regulating tank, the coagulation tank and the sedimentation tank. The control system is an important component of the whole wastewater treatment device, and realizes accurate control of the treatment process by monitoring and processing various sensor data. The control system comprises a liquid level meter and a processor which are arranged in the regulating tank, the coagulation tank and the sedimentation tank. The liquid level meter is used for monitoring the liquid level of each pool, and the processor controls the opening degree and the running time of the electric regulating valve according to the liquid level and other sensor data, so that the flow and the liquid level of each pool are regulated, and the stable running of the treatment process is ensured. The design of the coagulation basin has an important influence on the effect of the coagulation reaction. The coagulation pool comprises a mixing area and a reaction area, wherein a stirring paddle is arranged in the mixing area, and the coagulant and the wastewater are fully mixed by rotating and stirring the stirring paddle, so that good conditions are provided for coagulation reaction. The reaction zone is internally provided with a guide wall and a baffle, and the facilities can control the water flow state and prolong the residence time of the wastewater in the reaction zone, thereby improving the coagulation reaction effect.
The sedimentation tank is used for settling the floccule formed by the coagulation reaction through gravity sedimentation, and the supernatant fluid enters the next treatment. In order to maintain a good sedimentation environment of the sedimentation tank, it is necessary to periodically discharge the sedimented sludge. Therefore, the sedimentation tank is connected with a sludge processor, and the sludge processor can stabilize, reduce and harmlessly treat deposited sludge, so that secondary pollution is avoided. The biological pool is internally provided with microorganisms capable of leaching nickel ions.
An aeration device is arranged in the coagulation tank. The aeration device has the functions of enhancing the oxidation capability of the wastewater and improving the speed and effect of coagulation reaction by introducing air or oxygen into the wastewater. Meanwhile, the aeration device can play a role in stirring and mixing, and further promote the coagulation reaction.
By utilizing the device, the invention also discloses a method for treating the wastewater generated by the perovskite flotation, which comprises the following steps:
s1, the wastewater enters an adjusting tank, the water quality, the water quantity and the pH value are adjusted, and simultaneously, a coagulant is added for coagulation reaction.
S2, in the coagulation tank, colloidal substances and micro suspended matters in the wastewater react with a coagulant to form larger floccules.
S3, the wastewater enters a sedimentation tank, flocculating constituents are settled down through gravity sedimentation, and supernatant fluid enters the next step of treatment.
S4, further removing micro suspended matters and colloid substances in the wastewater by using a filter medium through a filter.
S5, the wastewater sequentially passes through a membrane separation device, a biological filter and a chemical oxidation device, so that pollutants in the wastewater are further removed.
S6, adding an acid-base regulator into the effluent through a pH regulator according to the pH value which is finally required to be reached, so that the effluent reaches the emission standard or the recycling standard.
S7, contacting with microorganisms to convert metal ions in the wastewater into soluble ions;
s8, discharging or recycling the treated wastewater.
The present invention can be easily implemented by those skilled in the art through the above specific embodiments. It should be understood that the invention is not limited to the particular embodiments described above. Based on the disclosed embodiments, a person skilled in the art may combine different technical features at will, so as to implement different technical solutions.
Claims (7)
1. A wastewater treatment device for zirconium titanium ore floatation is characterized in that: the wastewater treatment device comprises an adjusting tank, wherein a screen is arranged in the adjusting tank and is used for preprocessing large-particle substances and impurities in wastewater; a coagulation tank is connected behind the regulating tank and is used for carrying out coagulation reaction; a sedimentation tank is connected behind the coagulation tank, and a filter and a PH adjusting device are connected behind the sedimentation tank; the rear part of the sedimentation tank is communicated with a biological tank;
a membrane separation device, a biological filter and a chemical oxidation device are sequentially connected between the filter and the PH adjusting device;
electric regulating valves are arranged on pipelines among the regulating tank, the coagulation tank and the sedimentation tank, and are connected with a control system.
2. A wastewater treatment apparatus for the flotation of a perovskite according to claim 1, wherein: the control system comprises a liquid level meter and a processor which are arranged in the regulating tank, the coagulation tank and the sedimentation tank.
3. A wastewater treatment apparatus for the flotation of a perovskite according to claim 1, wherein: the coagulation pool comprises a mixing area and a reaction area, wherein stirring paddles are arranged in the mixing area; and a guide wall and a baffle are arranged in the reaction zone.
4. A wastewater treatment apparatus for the flotation of a perovskite according to claim 1, wherein: the sedimentation tank is connected with a sludge processor.
5. A wastewater treatment apparatus for the flotation of a perovskite according to claim 1, wherein: an aeration device is arranged in the coagulation tank.
6. A wastewater treatment apparatus for the flotation of a perovskite according to claim 1, wherein: the biological pool is internally provided with microorganisms capable of leaching nickel ions.
7. A method for treating wastewater from the flotation of a perovskite, comprising:
s1, wastewater enters an adjusting tank, water quality, water quantity and pH value are adjusted, and simultaneously coagulant is added for coagulation reaction;
s2, in a coagulation tank, colloidal substances and micro suspended matters in the wastewater react with a coagulant to form larger floccules;
s3, the wastewater enters a sedimentation tank, flocculating constituents are settled down through gravity sedimentation, and supernatant fluid enters the next step of treatment;
s4, further removing micro suspended matters and colloid substances in the wastewater by using a filter medium through a filter;
s5, the wastewater sequentially passes through a membrane separation device, a biological filter and a chemical oxidation device to further remove pollutants in the wastewater;
s6, adding an acid-base regulator into the effluent through a pH regulator according to the requirement to adjust the pH value of the effluent to reach the emission standard or the recycling standard;
s7, contacting with microorganisms to convert metal ions in the wastewater into soluble ions;
s8, discharging or recycling the treated wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410013942.7A CN117509996A (en) | 2024-01-05 | 2024-01-05 | Wastewater treatment device and wastewater treatment method for perovskite flotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410013942.7A CN117509996A (en) | 2024-01-05 | 2024-01-05 | Wastewater treatment device and wastewater treatment method for perovskite flotation |
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| Publication Number | Publication Date |
|---|---|
| CN117509996A true CN117509996A (en) | 2024-02-06 |
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ID=89763027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410013942.7A Pending CN117509996A (en) | 2024-01-05 | 2024-01-05 | Wastewater treatment device and wastewater treatment method for perovskite flotation |
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| CN (1) | CN117509996A (en) |
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|---|---|---|---|---|
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-
2024
- 2024-01-05 CN CN202410013942.7A patent/CN117509996A/en active Pending
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