CN114477602A - Comprehensive utilization treatment method for heavy metal wastewater - Google Patents
Comprehensive utilization treatment method for heavy metal wastewater Download PDFInfo
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- CN114477602A CN114477602A CN202210084404.8A CN202210084404A CN114477602A CN 114477602 A CN114477602 A CN 114477602A CN 202210084404 A CN202210084404 A CN 202210084404A CN 114477602 A CN114477602 A CN 114477602A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 39
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000011550 stock solution Substances 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000010992 reflux Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 229910021645 metal ion Inorganic materials 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 208000028659 discharge Diseases 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- -1 and at the same time Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 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
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- 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
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)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the field of wastewater treatment, in particular to a comprehensive utilization treatment method for heavy metal wastewater, which comprises the following steps: s1, sequentially carrying out electro-Fenton reaction and filtration on the wastewater to obtain a wastewater stock solution; s2, enabling the wastewater stock solution to flow into a hypergravity separation end for hypergravity separation to obtain a first concentrated solution and a first clear solution; s3, electrolyzing the first concentrated solution to obtain a metal object and a second clear solution, and flowing the first clear solution into a comprehensive treatment end for comprehensive treatment to obtain a second concentrated solution and a third clear solution; and S4, refluxing the second clear liquid and the second concentrated liquid to the supergravity separation end, detecting the water quality of the third clear liquid, and classifying for use or discharging according to the water quality of the third clear liquid. The first concentrated solution and the first clear solution are respectively treated by electrolysis and comprehensive treatment, which is beneficial to improving the treatment efficiency and saving material resources required by treatment.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to a comprehensive utilization treatment method for heavy metal wastewater.
Background
The waste water is a general term of water and runoff rainwater drained in the process of activities of residents. The method comprises the steps of domestic sewage, industrial wastewater and other useless water such as primary rain water flowing into a drainage pipe canal, and generally refers to water which can not be recycled after being treated by a certain technology or can not reach a certain standard after being purified by primary pollution.
In industrial production, heavy metals are often used, the heavy metals are mixed in water used in processing in the processing process to form waste water, the waste water containing the heavy metals can cause serious damage to land and the natural environment if being discharged randomly, and the metabolism of animals and plants in the nature can take tens of years or even longer, thereby seriously threatening the nature.
Disclosure of Invention
The invention aims to provide a comprehensive utilization and treatment method for heavy metal wastewater, which solves the problem that the land and the natural environment are seriously damaged due to random discharge of wastewater containing heavy metals.
In order to solve the technical problems, the invention adopts the following technical scheme:
a comprehensive utilization treatment method for heavy metal wastewater comprises the following steps: s1, sequentially carrying out electro-Fenton reaction and filtration on the wastewater to obtain a wastewater stock solution; s2, enabling the wastewater stock solution to flow into a hypergravity separation end for hypergravity separation to obtain a first concentrated solution and a first clear solution; s3, electrolyzing the first concentrated solution to obtain a metal object and a second clear solution, and flowing the first clear solution into a comprehensive treatment end for comprehensive treatment to obtain a second concentrated solution and a third clear solution; and S4, refluxing the second clear liquid and the second concentrated liquid to the supergravity separation end, detecting the water quality of the third clear liquid, and classifying for use or discharging according to the water quality of the third clear liquid.
The further technical scheme is that the comprehensive treatment comprises electromagnetic separation and membrane component separation which are sequentially carried out, and the electromagnetic separation is used for recovering metal ions.
Compared with the prior art, the invention has the beneficial effects that: can degrade the organic matter in the waste water through setting up the electro-Fenton reaction, with who decomposes it into carbon dioxide and, can filter out the impurity in the waste water through filtering. Through setting up hypergravity separation end, can separate into the waste water stoste and contain the more first dense fluid of heavy metal pollutant and contain the less first clear liquid of heavy metal pollutant, just so can handle first dense fluid and first clear liquid respectively through electrolysis and comprehensive treatment, help improving treatment effeciency, practice thrift and handle required material resource etc.. The second clear liquid and the second concentrated liquid are both refluxed to the overweight end, so that the water quality of the third clear liquid discharged finally has high standard and can be directly used or drunk. Solves the problem that the land and the natural environment are seriously damaged because some waste water containing heavy metals is randomly discharged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
a comprehensive utilization treatment method for heavy metal wastewater comprises the following steps: s1, sequentially carrying out electro-Fenton reaction and filtration on the wastewater to obtain a wastewater stock solution; s2, enabling the wastewater stock solution to flow into a hypergravity separation end for hypergravity separation to obtain a first concentrated solution and a first clear solution; s3, electrolyzing the first concentrated solution to obtain a metal object and a second clear solution, and flowing the first clear solution into a comprehensive treatment end for comprehensive treatment to obtain a second concentrated solution and a third clear solution; and S4, refluxing the second clear liquid and the second concentrated solution to the hypergravity separation end, detecting the water quality of the third clear liquid, and classifying for use or discharging according to the water quality of the third clear liquid. Can degrade the organic matter in the waste water through setting up the electro-Fenton reaction, with who decomposes it into carbon dioxide and, can filter out the impurity in the waste water through filtering. Through setting up hypergravity separation end, can separate into the waste water stoste and contain the more first dense fluid of heavy metal pollutant and contain the less first clear liquid of heavy metal pollutant, just so can handle first dense fluid and first clear liquid respectively through electrolysis and comprehensive treatment, help improving treatment effeciency, practice thrift and handle required material resource etc.. The second clear liquid and the second concentrated liquid are both refluxed to the overweight end, so that the water quality of the third clear liquid discharged finally has high standard and can be directly used or drunk. Solves the problem that the land and the natural environment are seriously damaged because some waste water containing heavy metals is randomly discharged. The hypergravity reaction has the advantages of high mass transfer and high heat transfer, can be quickly reacted and separated, and the whole hypergravity reaction process is carried out at normal temperature and normal pressure.
When the third clear liquid is classified for use or discharged according to the water quality conditions, the following conditions can be adopted: a. the water quality meets or is superior to the water quality of the front-end production water of the enterprise, and the water is completely recycled for production; b. the purified water is used as the water for the production process of enterprises; flushing toilet, vehicle flushing, urban greening, road cleaning, fire fighting and the like.
The comprehensive utilization treatment method for the heavy metal wastewater can be used for: 1. a zero discharge treatment method for the wastewater generated in the production of electronic batteries; 2. zero discharge of the wastewater of the metal mining and separation production (the purified water is reused for process water of ore separation and washing, cleaning and the like; mineral products can be recovered from the wastewater and used for building materials, additives, artificial sand and the like); 3. the comprehensive utilization and treatment method of metallurgical waste water (the purified water is used for the water used in the production process of enterprise cleaning, etc., and the metal substances, heavy metal substances, oil, combustible gas, acid and mixed acid, chemical products, cooling circulating water, cleaning water, etc.) are recovered. Metals that can be recovered include: a. black-steel making; b. non-ferrous-lead-zinc, copper; c. rare earth; d. energy quality metals-lithium, vanadium, titanium; e. noble (rare) metals such as gold, silver, ruthenium, rhodium, palladium, rhenium, and the like; 4. a zero discharge technology of electroplating wastewater.
The electrolytic treatment can remove heavy metal ions in the first concentrated solution from the first concentrated solution, and at the same time, metal substances precipitated on the cathode can be utilized after the electrolytic treatment. The principle of recycling is fully realized.
The comprehensive treatment comprises electromagnetic separation and membrane component separation which are sequentially carried out, and the electromagnetic separation is used for recovering metal ions.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (2)
1. The comprehensive utilization treatment method of the heavy metal wastewater is characterized by comprising the following steps:
s1, sequentially carrying out electro-Fenton reaction and filtration on the wastewater to obtain a wastewater stock solution;
s2, enabling the wastewater stock solution to flow into a hypergravity separation end for hypergravity separation to obtain a first concentrated solution and a first clear solution;
s3, electrolyzing the first concentrated solution to obtain a metal object and a second clear solution, and flowing the first clear solution into a comprehensive treatment end for comprehensive treatment to obtain a second concentrated solution and a third clear solution;
and S4, refluxing the second clear liquid and the second concentrated liquid to the supergravity separation end, detecting the water quality of the third clear liquid, and classifying for use or discharging according to the water quality of the third clear liquid.
2. The comprehensive utilization and treatment method for heavy metal wastewater according to claim 1, characterized by comprising the following steps: the comprehensive treatment comprises electromagnetic separation and membrane separation which are sequentially carried out, wherein the electromagnetic separation is used for recovering metal ions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084404.8A CN114477602A (en) | 2022-01-25 | 2022-01-25 | Comprehensive utilization treatment method for heavy metal wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084404.8A CN114477602A (en) | 2022-01-25 | 2022-01-25 | Comprehensive utilization treatment method for heavy metal wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114477602A true CN114477602A (en) | 2022-05-13 |
Family
ID=81474473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210084404.8A Pending CN114477602A (en) | 2022-01-25 | 2022-01-25 | Comprehensive utilization treatment method for heavy metal wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114477602A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944636A (en) * | 2015-06-07 | 2015-09-30 | 长春黄金研究院 | Non-ferrous metal mine acid wastewater treatment method |
| CN105330066A (en) * | 2015-11-20 | 2016-02-17 | 北京万邦达环保技术股份有限公司 | Color coating waste water treatment device and color coating waste water treatment method |
| CN108358362A (en) * | 2018-03-30 | 2018-08-03 | 许欠欠 | A kind of deep treatment method of high concentrated organic wastewater |
| CN110357312A (en) * | 2019-08-05 | 2019-10-22 | 蒋遂安 | A kind of landfill leachate harmless resource system processing equipment and method |
| CN110386733A (en) * | 2019-08-05 | 2019-10-29 | 四川锐源能环科技有限公司 | The reclaimer and method of humic acid in a kind of garbage incinerating power plant percolate |
| CN111410345A (en) * | 2020-04-20 | 2020-07-14 | 深圳市世清环保科技有限公司 | Method and system for treating comprehensive wastewater generated by anodic oxidation process |
| CN112093945A (en) * | 2020-08-24 | 2020-12-18 | 广州市中绿环保有限公司 | Method for degrading organic wastewater |
| CN112209551A (en) * | 2020-09-28 | 2021-01-12 | 重庆希赞志汇环保科技有限公司 | Salt-containing wastewater concentration system and salt water concentration method |
-
2022
- 2022-01-25 CN CN202210084404.8A patent/CN114477602A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944636A (en) * | 2015-06-07 | 2015-09-30 | 长春黄金研究院 | Non-ferrous metal mine acid wastewater treatment method |
| CN105330066A (en) * | 2015-11-20 | 2016-02-17 | 北京万邦达环保技术股份有限公司 | Color coating waste water treatment device and color coating waste water treatment method |
| CN108358362A (en) * | 2018-03-30 | 2018-08-03 | 许欠欠 | A kind of deep treatment method of high concentrated organic wastewater |
| CN110357312A (en) * | 2019-08-05 | 2019-10-22 | 蒋遂安 | A kind of landfill leachate harmless resource system processing equipment and method |
| CN110386733A (en) * | 2019-08-05 | 2019-10-29 | 四川锐源能环科技有限公司 | The reclaimer and method of humic acid in a kind of garbage incinerating power plant percolate |
| CN111410345A (en) * | 2020-04-20 | 2020-07-14 | 深圳市世清环保科技有限公司 | Method and system for treating comprehensive wastewater generated by anodic oxidation process |
| CN112093945A (en) * | 2020-08-24 | 2020-12-18 | 广州市中绿环保有限公司 | Method for degrading organic wastewater |
| CN112209551A (en) * | 2020-09-28 | 2021-01-12 | 重庆希赞志汇环保科技有限公司 | Salt-containing wastewater concentration system and salt water concentration method |
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|---|
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