CN118108366B - Sustainable coastal underground brine culture sewage recycling process - Google Patents
Sustainable coastal underground brine culture sewage recycling processInfo
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- CN118108366B CN118108366B CN202410283469.4A CN202410283469A CN118108366B CN 118108366 B CN118108366 B CN 118108366B CN 202410283469 A CN202410283469 A CN 202410283469A CN 118108366 B CN118108366 B CN 118108366B
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2101/30—Organic 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
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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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- 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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to a sustainable coastal underground brine culture sewage recycling process which sequentially carries out biochemical treatment, ozone sterilization and oxidation, advanced oxidation, catalytic oxidation combined treatment and filtration treatment on culture sewage, and comprises the following steps of S1, carrying out primary treatment in a culture sewage tank, S2, sequentially carrying out ozone sterilization pre-oxidation treatment, quartz sand filtration treatment, hydroxyl free radical oxidation treatment, ozone catalytic oxidation treatment, carbon filtration treatment, softening treatment and fine filtration rate ultrafiltration treatment on tail water under the action of a water pump, dividing the tail water into two paths, and S3, enabling water in a recycled water purifying tank to enter a culture workshop after passing through a recycling water pump, and discharging the sewage in the culture workshop into the culture sewage tank. The invention has the advantages that the invention can efficiently realize the recycling of sewage with water quality index superior to the discharge standard of the tail water of pond culture, has no secondary pollution, stable and reliable operation and low cost, and has the effect of green aquaculture.
Description
Technical Field
The invention relates to a sustainable coastal underground brine culture sewage recycling process, and belongs to the field of green environmental protection.
Background
The aquaculture industry provides high-quality animal proteins for human beings and plays an important role in solving the global food problem. The treatment of aquaculture tail water is becoming more and more important.
The existing aquaculture tail water treatment mostly adopts biological energy recovery methods such as precipitation aeration, biodegradation, biological absorption, accumulation and conversion of an outdoor sedimentation tank, and has the problems that the occupied area is large, the tail water treatment effect is not ideal in winter, the tail water after cultivation and use cannot be recycled due to the fact that the treatment index does not reach the standard, and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a sustainable coastal underground brine culture sewage recycling process, which comprises the following steps:
the technology carries out biochemical treatment and degradation of total nitrogen/ammonia nitrogen and partial cod, ozone sterilization oxidation/advanced oxidation/catalytic oxidation combined treatment and filtration treatment on the culture sewage to carry out compound treatment, and specifically comprises the following steps:
S1, introducing underground brine into a culture sewage regulating biochemical pond through a water supplementing pump, and simultaneously adding a biological carbon source and denitrifying bacteria into the culture sewage regulating biochemical pond to remove TN, TP and COD from the underground brine to form tail water;
S2, under the action of a water pump, tail water is sequentially subjected to ozone sterilization and disinfection pre-oxidation, quartz sand filtration, hydroxyl radical oxidation, ozone catalytic oxidation, carbon filtration, softening, primary fine filtration, secondary fine filtration and ultrafiltration treatment, one way of the tail water is divided into two ways, concentrated water is formed, the concentrated water is purified and recycled, one way of the concentrated water enters a standard recycling water purification pond, high-density high-dissolved oxygen purified water is formed in the standard recycling water purification pond, the oxygen content in the standard recycling water purification pond is 15-25mg/l, wherein in the ozone sterilization and disinfection pre-oxidation, hydroxyl radical oxidation and ozone catalytic oxidation processes, the required ozone is high-concentration ozone, the concentration of the ozone is 350mg/l, the ozone is prepared through an ozone preparation process, and the ozone preparation process specifically comprises the following steps:
s2-1, forming high-concentration ozone by sequentially passing gas prepared by a screw air compressor through a gas storage tank, a cold dryer, a purifier, a filter, a PSA oxygenerator, an ozone generator and an anti-backflow protection device;
S2-2, automatically discharging water generated by the air storage tank, the cold dryer, the purifier and the filter, wherein cold water required by the ozone generator is provided by an industrial cold water machine;
S3, one path of purified water in the standard-reaching recycling purified water tank enters the purified water tank after RO reverse osmosis, the purified water forms strong brine after RO reverse osmosis and is used for airing industrial salt, the other path of purified water in the standard-reaching recycling purified water tank enters the water supplementing pump after salinity adjustment, water in the purified water tank and the purified water after salinity adjustment are converged at a water inlet of the water supplementing pump, then the purified water flows back to the standard-reaching recycling purified water tank through the water supplementing pump, the purified water in the standard-reaching recycling purified water tank enters a cultivation workshop after passing through the water supplementing pump, and sewage in the cultivation workshop is discharged into the cultivation sewage adjusting biochemical tank.
In the tail water treatment process, the tail water is subjected to three-stage ozone oxidation, namely, the first-stage ozone oxidation is performed by an ozone sterilization and disinfection pre-oxidation unit, the second-stage oxidation is performed by a hydroxyl radical oxidation unit, and the three-stage catalytic oxidation is performed by an ozone catalytic oxidation unit.
The method comprises the steps of carrying out primary ozone oxidation and secondary ozone oxidation, arranging quartz sand filtration between the primary ozone oxidation and the secondary ozone oxidation, carrying out quartz sand filtration through a quartz sand filtration unit, carrying out carbon filtration through a carbon filtration unit, carrying out softening through a softening unit, carrying out primary fine filtration and secondary fine filtration through a fine filtration unit, carrying out ultrafiltration through a full-automatic ultrafiltration unit, and filtering out solid suspended matters, organic matters and microorganisms with smaller particles in filtrate by the steps of primary fine filtration, secondary fine filtration and ultrafiltration so as to further improve the purification and filtration effects on the cultivation wastewater and form qualified filtrate.
The biological carbon source comprises any one of bran, straw, wheat hull, rice hull and corncob.
And the tail water is subjected to ozone catalytic oxidation treatment to form up-to-standard discharge water which flows into a recycling pool for recycling.
The invention has the advantages that the sewage is subjected to biochemical treatment, ozone sterilization oxidation/advanced oxidation/catalytic oxidation and filtration treatment to realize the water quality index of sewage effectively, the energy consumption and the cultivation cost are reduced, no secondary pollution is caused, the operation is stable and reliable, the cost is low, and the environment-friendly effect is realized.
The method can efficiently realize that the water quality index of the recycling and recycling of the sewage (namely, the cultivation tail water) is superior to the standard with the latest highest grade, namely, the pond cultivation tail water discharge standard (DB 32/4043-20210), has no secondary pollution, stable and reliable operation and low cost, and has the effect of green and environment-friendly aquaculture.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
Detailed Description
The invention will be further described with reference to specific embodiments, and advantages and features of the invention will become apparent from the description. These examples are merely exemplary and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes and substitutions of details and forms of the technical solution of the present invention may be made without departing from the spirit and scope of the present invention, but these changes and substitutions fall within the scope of the present invention.
Referring to fig. 1, the invention relates to a sustainable coastal underground brine aquaculture sewage recycling process, which carries out biochemical treatment, ozone sterilization oxidation, advanced oxidation, catalytic oxidation combined treatment and filtration treatment on aquaculture sewage to carry out composite treatment, and specifically comprises the following steps:
S1, introducing underground brine into a culture sewage regulating biochemical pond through a water supplementing pump, and simultaneously adding a biological carbon source (the biological carbon source comprises any one of bran, straw, wheat hull, rice hull and corncob) and denitrifying bacteria into the culture sewage regulating biochemical pond to remove TN, TP and COD from the underground brine to form tail water;
S2, under the action of a water pump, tail water is sequentially subjected to ozone sterilization and disinfection pre-oxidation, quartz sand filtration, hydroxyl radical oxidation, ozone catalytic oxidation, carbon filtration, softening, primary fine filtration, secondary fine filtration and ultrafiltration treatment, one way is divided into two ways, concentrated water is formed, purified and recycled, the other way enters a standard recycling clean water tank, high-density high-dissolved-oxygen clean water is formed in the standard recycling clean water tank, the oxygen content in the standard recycling clean water tank is 15-25mg/L, wherein in the ozone sterilization and disinfection pre-oxidation, hydroxyl radical oxidation and ozone catalytic oxidation processes, the required ozone is high-concentration ozone, the concentration of the ozone is 350mg/L (the top concentration of a current large ozone generator at home and abroad), the concentration of the ozone is generally < 200mg/L, the high-concentration ozone has a great effect on water treatment effect, the ozone is prepared through an ozone preparation process, and the ozone preparation process specifically comprises the steps of:
s2-1, forming high-concentration ozone by sequentially passing gas prepared by a screw air compressor through a gas storage tank, a cold dryer, a purifier, a filter, a PSA oxygenerator, an ozone generator and an anti-backflow protection device;
S2-2, automatically discharging water generated by the air storage tank, the cold dryer, the purifier and the filter, wherein cold water required by the ozone generator is provided by an industrial cold water machine;
s3, one path of purified water in the standard-reaching recycling purified water tank enters the purified water tank after RO reverse osmosis, the purified water forms strong brine after RO reverse osmosis and is used for airing industrial salt, the other path of purified water in the standard-reaching recycling purified water tank enters the water supplementing pump after salinity adjustment, water in the purified water tank and the purified water after salinity adjustment are converged at a water inlet of the water supplementing pump, then the purified water flows back to the standard-reaching recycling purified water tank through the water supplementing pump, the purified water in the standard-reaching recycling purified water tank enters a cultivation workshop after passing through the water supplementing pump, and sewage in the cultivation workshop is discharged into the cultivation sewage adjusting biochemical tank for recycling.
In the tail water treatment process, the tail water is subjected to three-stage ozone oxidation, namely, the first-stage ozone oxidation is performed by an ozone sterilization and disinfection pre-oxidation unit, the second-stage oxidation is performed by a hydroxyl radical oxidation unit, and the three-stage catalytic oxidation is performed by an ozone catalytic oxidation unit.
The method comprises the steps of carrying out primary ozone oxidation and secondary ozone oxidation, arranging quartz sand filtration between the primary ozone oxidation and the secondary ozone oxidation, carrying out quartz sand filtration through a quartz sand filtration unit, carrying out carbon filtration through a carbon filtration unit, carrying out softening through a softening unit, carrying out primary fine filtration and secondary fine filtration through a fine filtration unit, carrying out ultrafiltration through a full-automatic ultrafiltration unit, and filtering tail water to remove solid suspended matters, organic matters and microorganisms with smaller particles in the filtrate so as to further improve the purification and filtration effects on the cultivation wastewater and form qualified filtrate.
The ozone catalytic oxidation unit (patent number: 201410155695.0, the name of the invention is a catalytic oxidation ozone deodorization system) has been applied for, and comprises a negative pressure ozone reaction tower, a positive pressure composite catalyst reaction tower, a pH aqueous solution regulating circulating tank, a PLC microcomputer controller, an air oxygen generation system and an ozone generator, wherein the positive pressure composite catalyst reaction tower contains a composite catalyst, the composite catalyst is an alumina ceramic hollow sphere carrier with a load on a framework, the load is rare earth, pt and Pb, the alumina ceramic hollow sphere carrier, the rare earth, the Pt and Pb are respectively 35-45%, 18-22%, 15% and 22-28% in parts by mass, a spiral spray head is arranged in the positive pressure composite catalyst reaction tower, an air inlet of the negative pressure ozone reaction tower is connected with an induced air duct, an air outlet is connected with an air inlet of the positive pressure composite catalyst reaction tower through an induced air draught fan, the positive pressure composite catalyst reaction tower is provided with two outlets, one air outlet is directly discharged, the other water outlet is connected with the pH aqueous solution regulating tank through the pipeline, the ozone generator is connected with the air inlet of the air circulating tower through the air inlet of the air pressure composite catalyst reaction tower, the air inlet of the air pressure ozone generator is controlled by the air inlet of the air circulation system, the air inlet of the air pressure composite catalyst reaction tower is respectively connected with the positive pressure ozone generator, the air inlet of the air pressurization system is controlled by the air inlet of the air intake system, and the air intake of the air pressurization system is respectively, the pH water solution regulating and circulating tank contains alkaline water solution with pH value of 8-9.
And the tail water is subjected to ozone catalytic oxidation treatment to form up-to-standard discharge water which flows into a recycling pool for recycling.
The invention carries out biochemical treatment by adding a biological carbon source and denitrifying bacteria through ozone oxidation treatment (comprising oxidation by the strongest oxidant-hydroxyl free radical), and completes the treatment of multiple sewage by a multi-stage filter unit, thereby realizing the recycling of the wastewater.
In the sewage treatment process, the detection basis of the high-concentration efficient ozone generator is GB/T18202-2000 'sanitary standard for ozone in indoor air', and the evaluation basis is GB 28232-2020 'sanitary requirement for ozone disinfector', so that the advanced level at home and abroad at present is achieved.
1. Equipment and method for manufacturing the same
1. Disinfection apparatus and instrument, wherein the medium-pass card CF-G-2-1500G type ozone generator
2. Test instrument, ozone detector.
2. Method of
1. The inspection basis is GB/T18202-2000 standard for sanitation of ozone in indoor air.
2. The test method is that the sample machine is placed in a 30m 3 closed space, the equipment is started, the ozone gas flow is set to be 4.3Nm/h, and the ozone concentration is measured at a position 1.5m away from the ground. The measurement was carried out every 5min, and the average value was taken, and the total test time was 60min.
3. The test conditions were 21.4℃ambient temperature and 50% RH relative humidity.
3. Results
Ozone concentration detection result
The ozone yield is 1509.84g/h, the detection conclusion is that the ozone gas flow is set to 4.3Nm 3/h, the action is carried out for 60min, the average ozone concentration in indoor environment air for 1h is 351.125mg/L, the ozone yield is 1509.84g/h, the highest concentration of the current domestic and foreign large-scale ozone generators is lower than 200mg/L, and the technical requirement of the ozone generator for water treatment is 180mg/L, for example, the national standard GB/T37894-2019 of the people's republic of China.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. A sustainable coastal underground brine aquaculture sewage recycling process is characterized in that the process sequentially carries out biochemical treatment, ozone sterilization and oxidation, advanced oxidation, catalytic oxidation combined treatment and filtration treatment on aquaculture sewage to carry out composite treatment, and specifically comprises the following steps:
S1, introducing underground brine into a culture sewage regulating biochemical pond through a water supplementing pump, and simultaneously adding a biological carbon source and denitrifying bacteria into the culture sewage regulating biochemical pond to remove TN, TP and COD from the underground brine to form tail water;
S2, under the action of a water pump, tail water is sequentially subjected to ozone sterilization and disinfection pre-oxidation, quartz sand filtration, hydroxyl radical oxidation, ozone catalytic oxidation, carbon filtration, softening, primary fine filtration, secondary fine filtration and ultrafiltration treatment, one way is divided into two ways, concentrated water is formed, the concentrated water is purified and recycled, one way enters a standard reuse clean water tank, high-density high-dissolved oxygen clean water is formed in the standard reuse clean water tank, the oxygen content in the standard reuse clean water tank is 15-25mg/l, wherein in the ozone sterilization and disinfection pre-oxidation, hydroxyl radical oxidation and ozone catalytic oxidation processes, the required ozone is high-concentration ozone, and the ozone is prepared by an ozone preparation process, and the ozone preparation process specifically comprises:
s2-1, forming high-concentration ozone by sequentially passing gas prepared by a screw air compressor through a gas storage tank, a cold dryer, a purifier, a filter, a PSA oxygenerator, an ozone generator and an anti-backflow protection device;
S2-2, automatically discharging water generated by the air storage tank, the cold dryer, the purifier and the filter, wherein cold water required by the ozone generator is provided by an industrial cold water machine;
s3, enabling one path of purified water in the standard-reaching recycling purified water tank to enter the purified water tank after RO reverse osmosis, forming strong brine after RO reverse osmosis of the purified water for industrial salt sunning, enabling the other path of purified water in the standard-reaching recycling purified water tank to enter a water supplementing pump after salinity adjustment, enabling water in the purified water tank to be converged with the purified water after salinity adjustment at a water inlet of the water supplementing pump, then enabling the purified water to flow back to the standard-reaching recycling purified water tank through the water supplementing pump, enabling the purified water in the standard-reaching recycling purified water tank to enter a cultivation workshop after passing through the water supplementing pump, and enabling sewage in the cultivation workshop to be discharged into a cultivation sewage adjusting biochemical tank for recycling;
In the treatment process of tail water, the tail water is subjected to tertiary ozone treatment, specifically, primary ozone oxidation is carried out by an ozone sterilization and disinfection pre-oxidation unit, secondary oxidation is carried out by a hydroxyl radical oxidation unit, and tertiary catalytic oxidation is carried out by an ozone catalytic oxidation unit;
The method comprises the steps of carrying out primary ozone oxidation and secondary ozone advanced oxidation, arranging quartz sand filtration between the primary ozone oxidation and the secondary ozone advanced oxidation, carrying out quartz sand filtration through a quartz sand filtration unit, carrying out carbon filtration through a carbon filtration unit, carrying out softening through a softening unit, carrying out primary fine filtration and secondary fine filtration through a fine filtration unit, carrying out ultrafiltration through a full-automatic ultrafiltration unit, and filtering tail water by the primary fine filtration, the secondary fine filtration and the ultrafiltration to remove solid suspended matters, organic matters and microorganisms with smaller particles in the filtrate so as to further improve the purification and filtration effects on the cultivation wastewater and form qualified filtrate.
2. The sustainable coastal subsurface brine aquaculture wastewater reuse process of claim 1, wherein the biochar source comprises any one of bran, straw, wheat hulls, rice hulls, corn cobs.
3. The sustainable coastal underground brine aquaculture sewage recycling process according to claim 1, wherein the tail water is subjected to ozone catalytic oxidation treatment to form standard-reaching discharge water which flows into a recycling pool for recycling.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111362509A (en) * | 2020-03-24 | 2020-07-03 | 广东环境保护工程职业学院 | Integrated treatment and recycling process for culture circulating water |
| CN114085001A (en) * | 2021-11-16 | 2022-02-25 | 广东水清环保科技有限公司 | Advanced treatment method for aquaculture wastewater |
| CN114409177A (en) * | 2021-12-21 | 2022-04-29 | 泉州南京大学环保产业研究院 | Treatment process of litopenaeus vannamei culture tail water |
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| CN104445834B (en) * | 2014-12-24 | 2016-08-24 | 莆田市山海天农业发展有限公司 | A kind of prawn culturing waste water circulation purified water processing method |
| JP6742128B2 (en) * | 2016-03-31 | 2020-08-19 | 株式会社キッツ | Closed circulation type land aquaculture system coexisting with ozone treatment and biological filtration treatment and its control method |
| CN110451718B (en) * | 2019-07-31 | 2024-07-12 | 华南理工大学 | Wastewater advanced treatment device based on ozone and biofilm granular sludge reactor |
| CN113582457B (en) * | 2021-08-10 | 2024-04-05 | 山东理工大学 | Semi-coke wastewater treatment method and semi-coke wastewater treatment system |
| CN116119854A (en) * | 2022-11-11 | 2023-05-16 | 唐山大北农猪育种科技有限责任公司 | Method for denitrification and disinfection of biochemical tail water of farm |
| CN117142708B (en) * | 2023-09-20 | 2025-12-26 | 广州市环境保护工程设计院有限公司 | A highly efficient phosphorus removal system and method for aquaculture wastewater |
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| CN111362509A (en) * | 2020-03-24 | 2020-07-03 | 广东环境保护工程职业学院 | Integrated treatment and recycling process for culture circulating water |
| CN114085001A (en) * | 2021-11-16 | 2022-02-25 | 广东水清环保科技有限公司 | Advanced treatment method for aquaculture wastewater |
| CN114409177A (en) * | 2021-12-21 | 2022-04-29 | 泉州南京大学环保产业研究院 | Treatment process of litopenaeus vannamei culture tail water |
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