CN109574403A - A kind for the treatment of process of dyeing synthetic wastewater - Google Patents
A kind for the treatment of process of dyeing synthetic wastewater Download PDFInfo
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- CN109574403A CN109574403A CN201811628776.2A CN201811628776A CN109574403A CN 109574403 A CN109574403 A CN 109574403A CN 201811628776 A CN201811628776 A CN 201811628776A CN 109574403 A CN109574403 A CN 109574403A
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46176—Galvanic cells
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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
- C02F1/52—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
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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
- C02F1/52—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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- 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
- C02F3/30—Aerobic and anaerobic processes
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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 Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention provides a kind for the treatment of process of dyeing synthetic wastewater, include the following steps: to pre-process: air-flotation process, pre-acidified processing, microelectrolysis processing will be successively carried out after wastewater collection, to form primary wastewater；Biochemical treatment: anaerobic reaction, denitrogenation dephosphorizing, decomposition reaction and aeration Aerobic Process for Treatment are carried out, successively to the primary wastewater to form secondary waste water；Advanced treating: it will be precipitated in the secondary waste water outflow to intermediate pool, standard water discharge is discharged after precipitating.The treatment process of dyeing synthetic wastewater provided by the invention, suspended matter in water is removed in front end by being arranged flotation tank, Fe-C micro electrolysis reaction is carried out according to waste water characteristic simultaneously, open loop, chain rupture are carried out to the pollutant of difficult for biological degradation in waste water, to improve the biodegradability of waste water, the effect of effective strenuous primary treatment creates advantage for subsequent biochemical treatment.
Description
Technical field
The present invention relates to chemical wastewater treatment technical fields, micro- in particular to a kind of iron carbon of dyeing synthetic wastewater
Electrolytic method.
Background technique
Textile printing and dyeing industry is that China's water consumption is larger, more one of the industrial department of waste discharge amount.According to incomplete system
Meter, daily 300~4,000,000 tons of waste discharge amount of domestic printing and dyeing enterprise.Contain the entrainment of fibrous raw material itself in the waste water of discharge
Slurry used in object and process, postal agent, dyestuff and chemical assistant etc. have biochemical oxygen demand (BOD) height, coloration height, PH
It is worth the features such as high, belongs to intractable industrial wastewater.
For carrying out the textile enterprise of reprocessing fiber production, production using the cotton produce leftover pieces based on denim
Technique is divided into the workshop sections such as pickling, alkali cleaning, drying, sorting, shredding, spinning.Indigo is mainly contained in pickling and the generation of alkali washing process section
The acid washing water and alkali-wash waste water of the pollutants such as indigo plant.Currently, the printing-dyeing waste water treatment process of this kind of textile enterprise generally uses " coagulation
The group technology of pretreatment+A2/O biological treatment+coagulating treatment+air bearing+filtering ", but the matter of CODCr is discharged after this process
Amount concentration is 140~290mg/L, and coloration is 125~200 times, is unable to reach newest " textile dyeing and finishing industrial water pollution object discharge
Standard " requirement.
Summary of the invention
In consideration of it, the invention proposes a kind for the treatment of process of dyeing synthetic wastewater, it is intended to solve at existing dyeing waste water
Chain rupture, open loop can not be carried out to Recalcitrant chemicals in dyeing waste water in science and engineering skill, thereby reduce the biodegradability of waste water,
Pretreating effect is affected, the problem of subsequent biochemical treatment not can be effectively carried out is eventually led to.
The invention proposes a kind for the treatment of process of dyeing synthetic wastewater, include the following steps:
Pretreatment: it successively will be passed through into flotation tank, conditioning tank and micro cell after wastewater collection, to the waste water
Successively carry out air-flotation process in the flotation tank, remove the suspended matter in the waste water, it is described adjust to the waste water into
The processing of row pre-acidified and boring aeration, carry out microelectrolysis processing in the micro cell and pH value is adjusted, and in outlet canal
Enter in sedimentation basin after middle stirring coagulation and forms primary wastewater；
Biochemical treatment: passing sequentially through anaerobic pond, anoxic pond and aerobic tank for the primary wastewater in the sedimentation basin, with
Anaerobic reaction is successively carried out to the primary wastewater, in the anaerobic pond to promote the waste water hydrolysis acidification, is lacked described
Denitrogenation dephosphorizing is carried out in oxygen pond and the macromolecular organic granular in the waste water is made to resolve into small molecule organic granular, described
Aeration Aerobic Process for Treatment is carried out in aerobic tank, to form secondary waste water；
Advanced treating: it will be precipitated in the secondary waste water outflow to intermediate pool in the aerobic tank, after precipitating
Standard water discharge discharge, if the water outlet is not up to discharge index, the water outlet being capable of row up to standard after activated carbon adsorption is filtered
It puts.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, during the air-flotation process, by described
It is passed through air in flotation tank, air-flotation process is carried out to the waste water, waste water residence time in the flotation tank is 2h.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, in the microelectrolysis process, the micro cell
For iron-carbon micro-electrolysis pond, residence time of the waste water in the micro cell is 2.5h.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, in the microelectrolysis process, first by electricity
Adding spent acid in Xie Chi and adjusting pH value is 3~4, then carries out iron-carbon micro-electrolysis, at the same the iron-carbon micro-electrolysis bottom of pond portion into
Eleven punch 11 aeration.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, in the microelectrolysis process, when the waste water passes through
It crosses after light electrolysis and first adjusts pH value in the outlet canal and add aluminium polychloride and yin to after 8~9 and in the waste water
Then cationic polyacrylamide enters in sedimentation basin after stirring coagulation in outlet canal and forms primary wastewater.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, several submersible agitatings are equipped in the anaerobic pond
Machine is stirred the primary wastewater, to promote primary wastewater hydrolysis acidification in anaerobic pond.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, the primary wastewater stops in the anaerobic pond
Time is 30h, and waste water residence time in the anoxic pond is 4h.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, plate membrane is disposed in the aerobic tank, it is described first
Grade waste water residence time in the aerobic tank is 19h.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, the secondary waste water in the aerobic tank can
It is back in the anoxic pond, to carry out denitrification to the secondary waste water.
Further, in the treatment process of above-mentioned dyeing synthetic wastewater, further includes: Treatment of Sludge by the flotation tank, is sunk
The sludge generated in shallow lake pond, aerobic tank and intermediate pool imports sludge-tank, and it is de- that filters pressing is carried out in sludge pumping to plate compression pond
Water, to form dry mud cake outward transport.
Compared with prior art, the beneficial effects of the present invention are the processing works of dyeing synthetic wastewater provided by the invention
Skill is removed suspended matter in water in front end by being arranged flotation tank, while carrying out the micro- electricity of iron charcoal according to waste water characteristic
Solution reaction carries out open loop, chain rupture to the pollutant of difficult for biological degradation in waste water, so that the biodegradability of waste water is improved, it is effectively strong
Change pretreated effect, creates advantage for subsequent biochemical treatment.
Especially, the treatment process of dyeing synthetic wastewater provided by the invention, by adding submersible agitating in anaerobic pond
Machine improves waste water hydrolysis acidification degree, and plate membrane is arranged in aerobic tank, using membrane bioreactor MBR technology, realize HRT with
SRT separation, promotes sludge loading, stablizes biological treatment, and water outlet SS concentration is effectively reduced and improves sewage treatment load, to have
Effect stabilizes the effect of this technique biochemical treatment, stablizes effluent quality.
Further, the treatment process of dyeing synthetic wastewater provided by the invention, in order to prevent system fluctuation of service feelings
The appearance of condition is filtered using activated carbon adsorption and ensures standard water discharge, ensures advanced treating effect.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the iron-carbon micro-electrolysis method flow diagram of dyeing synthetic wastewater provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig.1, the iron-carbon micro-electrolysis method of the dyeing synthetic wastewater for the embodiment of the present invention comprising following step
It is rapid: pretreatment stage, biochemical treatment, advanced treating and sludge treatment four-stage；Wherein, it pre-processes: after wastewater collection
Successively by it by flotation tank, conditioning tank and micro cell, successively to carry out air bearing in the flotation tank to the waste water
It handles, remove suspended matter in the waste water, pre-acidified processing and boring aeration are carried out to the waste water in described adjust,
Microelectrolysis processing is carried out in the micro cell and pH value is adjusted, and enters shape in sedimentation basin after stirring coagulation in outlet canal
At primary wastewater.
In the present embodiment, the preprocessing process includes: A. air-flotation process: after each plant effluent is collected, pumped to
Flotation tank, while air is passed through into flotation tank, air-flotation process is carried out to waste water and removes suspended matter in water removal, waste water is in flotation tank
Residence time is 2h；B. adjusting is handled: flotation tank water outlet is promoted to conditioning tank with pumping, waste water pre-acidified, is worn in conditioning tank
Waste water is stirred homogeneous by hole aeration, and waste water residence time in conditioning tank is 36h, and conditioning tank discharges water to iron-carbon micro-electrolysis pond；C.
Microelectrolysis processing: adding a small amount of spent acid into iron-carbon micro-electrolysis pond and adjusting pH value is 3~4, carries out iron-carbon micro-electrolysis, while iron carbon
Micro cell bottom carries out boring aeration, and waste water is 2.5h in the iron-carbon micro-electrolysis pond residence time, is discharged in outlet canal later
PH value is adjusted to after 8~9, adds aluminium polychloride, anionic polyacrylamide, coagulation mistake is completed by the hydraulic mixing of outlet canal
Primary sedimentation tank is flowed into after journey；Small primary battery is formed using acidity in water and iron charcoal, by micro-electrolysis reaction to being difficult to give birth in waste water
The pollutant of object degradation carries out open loop, chain rupture, to improve the biodegradability of waste water；D. precipitation process: waste water is heavy in primary sedimentation tank
Form sediment 4~5h, and supernatant water outlet is promoted in anaerobic pond by pump.
Biochemical treatment: passing sequentially through anaerobic pond, anoxic pond and aerobic tank for the primary wastewater in the sedimentation basin, with
Anaerobic reaction is successively carried out to the primary wastewater, in the anaerobic pond to promote the waste water hydrolysis acidification, is lacked described
Denitrogenation dephosphorizing is carried out in oxygen pond and the macromolecular organic granular in the waste water is made to resolve into small molecule organic granular, described
Aeration Aerobic Process for Treatment is carried out in aerobic tank, Anaerobic Treatment is carried out, to form secondary waste water；
In the present embodiment, the biochemical treatment process includes: A. Anaerobic Treatment: it is anti-that waste water carries out anaerobism in anaerobic pond
It answers, more diving mixers is equipped in anaerobic pond, waste water is stirred evenly, promote waste water hydrolysis acidification in anaerobic pond, waste water
Residence time is 30h；B. anoxic treatment: anaerobic pond overflow discharges water in anoxic pond, waste water denitrogenation dephosphorizing in anoxic pond, will be big
Molecule organic granular resolves into small molecule organic granular, retention time of sewage 4h；C. Aerobic Process for Treatment: anoxic pond discharges water to aerobic
In pond, aeration Aerobic Process for Treatment is carried out, plate membrane is arranged in aerobic tank, plate membrane is arranged in aerobic tank, aerobic tank utilizes film biology
Reactor (MBR) technology realizes that HRT is separated with SRT, promotes sludge concentration, stablizes biological treatment, and water outlet SS concentration is effectively reduced
And sewage treatment load is improved, retention time of sewage 19h, while in aerobic tank in backflow mixed liquor to anoxic pond, it carries out anti-
Nitrification carries out denitrogenation processing to waste water.
Advanced treating: it will be precipitated in the secondary waste water outflow to intermediate pool in the aerobic tank, after precipitating
Standard water discharge discharge, if the water outlet is not up to discharge index, the water outlet being capable of qualified discharge after activated carbon adsorption is filtered.
In the present embodiment, the advanced treatment process: aerobic tank being discharged in overflow to intermediate pool and is precipitated, and is precipitated
Standard water discharge is discharged afterwards, is promoted in active carbon filter if water outlet is below standard through pump, is discharged after activated carbon adsorption is filtered
Qualified discharge；Precipitating sludge in intermediate pool is back in anaerobic pond by sludge reflux pump promotion supplements suspended sludge, promotees
Microorganism carries out anaerobic respiration in into anaerobic pond.
The sludge generated in the flotation tank, sedimentation basin, aerobic tank and intermediate pool is imported sludge-tank, warp by Treatment of Sludge
Filter-press dehydration is carried out in sludge pumping to plate compression pond, to form dry mud cake outward transport.
In the present embodiment, the sludge handling process: the sludge that flotation tank, primary sedimentation tank and aerobic tank generate flows into sludge
Pond, then after carrying out filter-press dehydration in sludge pumping to plate compression pond, the dry mud cake of generation is transported outward.
Obviously it can be concluded that, the treatment process of dyeing synthetic wastewater provided by the invention, through the invention by air bearing
Pond setting is removed suspended matter in water in front end, while carrying out Fe-C micro electrolysis reaction according to waste water characteristic, to waste water
The pollutant of middle difficult for biological degradation carries out open loop, chain rupture, so that the biodegradability of waste water is improved, the effect of effective strenuous primary treatment
Fruit creates advantage for subsequent biochemical treatment.Especially, waste water is improved by adding diving mixer in anaerobic pond
Hydrolysis acidification degree, arranges plate membrane in aerobic tank, using membrane bioreactor MBR technology, realizes that HRT is separated with SRT, mentions
Sludge loading is risen, biological treatment is stablized, water outlet SS concentration is effectively reduced and improves sewage treatment load, to effectively stabilize this
The effect of technique biochemical treatment stablizes effluent quality.Further, the appearance of system fluctuation of service situation in order to prevent, benefit
It is filtered with activated carbon adsorption and ensures standard water discharge, ensure advanced treating effect.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind for the treatment of process of dyeing synthetic wastewater, which comprises the steps of:
Pretreatment: will after wastewater collection successively by it by flotation tank, conditioning tank and micro cell, with to the waste water successively
Air-flotation process is carried out in the flotation tank, removes the suspended matter in the waste water, and the waste water is carried out in advance in described adjust
Acidification and boring aeration, carry out microelectrolysis processing in the micro cell and pH value is adjusted, and stir in outlet canal
It mixes to enter in sedimentation basin after coagulation and forms primary wastewater；
Biochemical treatment: the primary wastewater in the sedimentation basin is passed sequentially through into anaerobic pond, anoxic pond and aerobic tank, to institute
It states primary wastewater and carries out anaerobic reaction, in the anaerobic pond successively to promote the waste water hydrolysis acidification, in the anoxic pond
Middle progress denitrogenation dephosphorizing simultaneously makes the macromolecular organic granular in the waste water resolve into small molecule organic granular, described aerobic
Aeration Aerobic Process for Treatment is carried out in pond, to form secondary waste water；
Advanced treating: it will precipitate in the secondary waste water outflow to intermediate pool in the aerobic tank, be discharged after precipitating
Qualified discharge, if the water outlet is not up to discharge index, the water outlet being capable of qualified discharge after activated carbon adsorption is filtered.
2. the treatment process of dyeing synthetic wastewater according to claim 1, which is characterized in that in the air-flotation process process
In, air-flotation process is carried out to the waste water by being passed through air into the flotation tank, the waste water stops in the flotation tank
Staying the time is 2h.
3. the treatment process of dyeing synthetic wastewater according to claim 1, which is characterized in that in the microelectrolysis process
In, the micro cell is iron-carbon micro-electrolysis pond, and residence time of the waste water in the micro cell is 2.5h.
4. the treatment process of dyeing synthetic wastewater according to claim 3, which is characterized in that in the microelectrolysis process
In, it is first 3~4 by adding spent acid into electrolytic cell to adjust pH value, then carries out iron-carbon micro-electrolysis, while in the iron carbon
Micro cell bottom carries out boring aeration.
5. the treatment process of dyeing synthetic wastewater according to claim 1, which is characterized in that in the microelectrolysis process
In, pH value is first adjusted in the outlet canal after waste water is by light electrolysis throws to after 8~9 and in the waste water
Add aluminium polychloride and anionic polyacrylamide, gives up after coagulation is then stirred in outlet canal into formation in sedimentation basin is primary
Water.
6. the treatment process of dyeing synthetic wastewater according to claim 1, which is characterized in that if being equipped in the anaerobic pond
Dry platform diving mixer, is stirred the primary wastewater, to promote primary wastewater hydrolysis acidification in anaerobic pond.
7. the treatment process of dyeing synthetic wastewater according to claim 1, which is characterized in that the primary wastewater is described
The residence time is 30h in anaerobic pond, and waste water residence time in the anoxic pond is 4h.
8. the treatment process of dyeing synthetic wastewater according to claim 1, which is characterized in that be disposed in the aerobic tank
Plate membrane, primary wastewater residence time in the aerobic tank is 19h.
9. the treatment process of dyeing synthetic wastewater according to claim 1, which is characterized in that described in the aerobic tank
Secondary waste water can be back in the anoxic pond, to carry out denitrification to the secondary waste water.
10. the treatment process of -9 any dyeing synthetic wastewaters according to claim 1, which is characterized in that further include: sludge
The sludge generated in the flotation tank, sedimentation basin, aerobic tank and intermediate pool is imported sludge-tank, through sludge pumping to plate by processing
Filter-press dehydration is carried out in frame filters pressing pond, to form dry mud cake outward transport.
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| CN201811628776.2A CN109574403A (en) | 2018-12-28 | 2018-12-28 | A kind for the treatment of process of dyeing synthetic wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830976A (en) * | 2021-10-29 | 2021-12-24 | 深圳市福田区环境技术研究所有限公司 | Treatment process with zero discharge of wastewater |
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| CN106830544A (en) * | 2017-03-02 | 2017-06-13 | 南昌大学 | Light electrolysis Fenton EGSB A/O BCO BAF coagulating treatment pharmacy waste water systems |
| CN107352757A (en) * | 2017-09-05 | 2017-11-17 | 云南今业生态建设集团有限公司 | A kind of microelectrolysis processing technique of dyeing waste water |
| CN207671856U (en) * | 2017-09-05 | 2018-07-31 | 云南今业生态建设集团有限公司 | A kind of microelectrolysis processing system of dyeing waste water |
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2018
- 2018-12-28 CN CN201811628776.2A patent/CN109574403A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101665311A (en) * | 2009-09-24 | 2010-03-10 | 中南大学 | Catalysis and micro-electrolysis combined technology for high-concentration refractory organic wastewater |
| KR20170014568A (en) * | 2015-07-30 | 2017-02-08 | 삼성물산 주식회사 | Methods for electronic wastewater treatment at an ultra-low concentration of contaminants adapting microfiltration membrane bioreactor process and selective heavy metal removal process |
| CN106830544A (en) * | 2017-03-02 | 2017-06-13 | 南昌大学 | Light electrolysis Fenton EGSB A/O BCO BAF coagulating treatment pharmacy waste water systems |
| CN107352757A (en) * | 2017-09-05 | 2017-11-17 | 云南今业生态建设集团有限公司 | A kind of microelectrolysis processing technique of dyeing waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830976A (en) * | 2021-10-29 | 2021-12-24 | 深圳市福田区环境技术研究所有限公司 | Treatment process with zero discharge of wastewater |
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Application publication date: 20190405 |