CN105502762A - Multi-cycle oxidation hybrid hydrolysis acidizing reaction device - Google Patents
Multi-cycle oxidation hybrid hydrolysis acidizing reaction device Download PDFInfo
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- CN105502762A CN105502762A CN201610002696.0A CN201610002696A CN105502762A CN 105502762 A CN105502762 A CN 105502762A CN 201610002696 A CN201610002696 A CN 201610002696A CN 105502762 A CN105502762 A CN 105502762A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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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
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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Abstract
The invention relates to a multi-cycle oxidation hybrid hydrolysis acidizing reaction device. The multi-cycle oxidation hybrid hydrolysis acidizing reaction device is characterized by comprising a device shell body, a water inlet component is arranged on one side of the shell body, a diversion zone, a microelectrolysis oxidation zone, a hydrolysis acidizing body reaction zone and a settling zone are sequentially arranged in the shell body from left to right, and a water outlet component is arranged on the other side of the shell body. The multi-cycle oxidation hybrid hydrolysis acidizing reaction device is exquisite in integral structural design, operation is convenient, and according to the technical scheme, by means of iron-carbon microelectrolysis, activated carbon filler, anaerobic granular sludge, sludge oxidation precipitation reflux and efficient slurry cycling, biodegradability of waste water difficult for biochemical degradation is rapidly improved, and the removal effect on COD and total phosphorus in waste water is improved.
Description
Technical field
The present invention relates to a kind of waste disposal plant, be specifically related to a kind of multi cycle oxidation composite hydrolysis acidification reaction unit, belong to technical field of sewage.
Background technology
Along with population constantly increases with environmental pollution day by day serious, water resources is no longer inexhaustible, nexhaustible, and a lot of local water resources is own through being difficult to the needs meeting human survival and Economic development in the world.The reason causing water resources to lack this situation has two: be on the one hand the mankind to the demand of water and specification of quality more and more higher, be then that the increasing extent of water pollutions is large on the other hand, the degree of pollution is more and more serious.To in the detection of some Source water and drinking waters, detected numerous organic pollutants.More alarming, the kind of Organic Pollutants In Water and quantity are in the trend risen year by year.Facing to increasingly serious water pollutions situation, various countries, while reinforcement water resources protection of adopting various measures, have stepped up the research to water pollution control.
Acidication technique is a kind of sewage disposal technology with very large application prospect, its process comprises hydrolysis and produces two stages of sour dehydrogenation, the main purpose of water acid acidifying is the material of readily biodegradable by the mass transfer of wherein difficult for biological degradation, improve the biodegradability of waste water, be beneficial to follow-up biological treatment.Acidication technique can be aerobic process and improves excellent influent quality (namely improving the biodegradability of waste water) condition, improves the usefulness of aerobic treatment; Can utilize that acid-producing bacteria kind is many, growth is fast and to the adaptable feature of envrionment conditions, be beneficial to the control of operational conditions and reduce the volume for the treatment of facility simultaneously.
Acidication technique, compared with independent anaerobic technique, has the following advantages: the product that (1) hydrolysis, souring stage produce is mainly small organic molecule, and biodegradable is generally relatively good.Therefore hydrolytic tank can change the biodegradability of raw waste water, thus reduce reaction times and process energy consumption; (2) can reduce sludge quantity to the organic degraded of degradable solid, its function is completely the same with digester.Technique only produces the residual active sludge of little difficult anaerobic degradation, therefore achieves sewage, mud primary treatment, does not need the mesophilic digestion pond of often heating; (3) do not need airtight pond, do not need water, gas, solid three-phase separator, reduce cost and be convenient to safeguard.Due to these features, the structures adapted to needed for large, medium and small type Sewage Plant can be designed; (4) because reaction controlling is before subordinate phase completes, therefore the unpleasant odor that water outlet has without anaerobically fermenting, improve the environment of sewage work; (5) due to the first stage, subordinate phase reaction is carried out rapidly, therefore the volume of hydrolytic tank is little, suitable with general primary sedimentation pond, can save initial cost.While acidication technique has above-mentioned advantage, also also exist COD removal ability more weak (being generally about 20%), speed of response is slow, to phosphorus without removal effect, biodegradability improve limited, especially used water difficult to degradate, after acidication technique microorganism culturing still difficulty etc. problem., speed of response weak for routine hydrolysis acidification technique COD removal ability be slow, to phosphorus without removal effect, biodegradability improves the problems such as limited, and the present invention have studied a kind of multi cycle for bio-refractory waste water oxidation composite hydrolysis acidification reaction unit.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses a kind of multi cycle oxidation composite hydrolysis acidification reaction unit, this device overall construction design is ingenious, easy to operate, this technical scheme, by utilizing the biodegradability that iron-carbon micro-electrolysis, active carbon filler, anaerobic grain sludge, mud oxidation precipitation reflux, high-efficiency mortar water cycle carrys out Quick height bio-refractory waste water, improves the removal effect to COD in waste water and total phosphorus.
To achieve these goals, technical scheme of the present invention is as follows, a kind of multi cycle oxidation composite hydrolysis acidification reaction unit, it is characterized in that, described reaction unit comprises crust of the device body, the side of outer cover body arranges water inlet component, guiding region, light electrolysis oxidation zone, acidication main body reaction zone and settling region is set gradually from left to right in described outer cover body, the opposite side of described outer cover body sets out water assembly, filling iron-carbon micro-electrolysis filler in described light electrolysis oxidation zone, particle diameter is 20 ~ 30mm, and admission space ratio is 20%.
As a modification of the present invention, the valve that described water inlet component comprises water inlet pipe, intake pump and is arranged on water inlet pipe.
As a modification of the present invention, described outlet component comprises rising pipe, the valve be arranged on rising pipe, is connected with effluent recycling pipe between described rising pipe and water inlet pipe.Device water side arranges water outlet return line, for bio-refractory waste water, part water outlet can be back to device left part iron-carbon micro-electrolysis oxidation zone, is improved the biodegradability of waste water by the cyclic oxidation of iron-carbon micro-electrolysis further, and then improves the treatment effect to waste water.
As a modification of the present invention, the bottom of described outer cover body arranges shore pipe, is convenient to be got rid of by mud in time.
As a modification of the present invention, the inner loaded particles gac in described acidication main body reaction zone and anaerobic grain sludge.Granulated active carbon particle diameter is 1.0 ~ 5.0mm, and admission space ratio is 5%; Anaerobic grain sludge particle diameter is 2.0 ~ 5.0mm, and admission space ratio is 5%.Granulated active carbon can organic pollutant in quick adsorption waste water, also can improve kind and the quantity of acidication reaction desired microorganisms as microbe carrier fast simultaneously; Anaerobic grain sludge, as microbe carrier, can improve quantity and the activity of microorganism, also can improve the settling property of mud simultaneously, and then improves the treatment effect to waste water.
As a modification of the present invention, between described settling region and acidication reaction zone, be provided with mud return line.
As a modification of the present invention, settling region mud is back to acidication reaction zone by mud return line, and controlled hydrolysis acidification reaction sludge concentration MLSS is 3000 ~ 4000mg/L, adds a small amount of bodied ferric sulfate in settling region, and dosage is 10mg/L.For bio-refractory waste water, the anaerobic activated sludge needed for acidication reaction cultivates difficulty, and furthermore active sludge suspends in water and constantly outflows with water, and can cause acidication reaction effect worse and worse; Can the flocculating effect of Quick high reactivity mud by adding polymeric ferric sulfate flocculant on a small quantity, reduce active sludge to run off, and the total phosphorus under solution anaerobic environment excessively discharges the water outlet excessive problem caused, bodied ferric sulfate has certain oxidisability simultaneously, oxidation of organic compounds can be continued to a certain extent, improve the biodegradability of waste water further.
Relative to prior art, advantage of the present invention is as follows, 1) whole Technical Design is ingenious, compact construction, this multi cycle oxidation composite hydrolysis acidification reaction unit is made up of iron-carbon micro-electrolysis oxidation zone, acidication main body reaction zone and sludge settling district three part, adopt the combination process of the backflow of iron-carbon micro-electrolysis, active carbon filler, mud oxidation precipitation and high-efficiency mortar water cycle, for bio-refractory waste water, the biodegradability of waste water can be improved fast, alleviate the processing pressure of follow-up aerobic biochemical pool; 2) this technical scheme arranges iron-carbon micro-electrolysis oxidation zone and carries out pre-treatment in early stage to waste water; oxidation zone filling iron-carbon micro-electrolysis filler; particle diameter is 20 ~ 30mm, and admission space ratio is 20%, the inner loaded particles gac in acidication reaction zone and anaerobic grain sludge.Granulated active carbon particle diameter is 1.0 ~ 5.0mm, and admission space ratio is 5%; Anaerobic grain sludge particle diameter is 2.0 ~ 5.0mm, and admission space ratio is 5%.Reaction unit arranges sludge settling district, precipitating sludge is partly refluxed to acidication reaction zone, acidication reaction zone sludge concentration MLSS is made to remain on 3000 ~ 4000mg/L, a small amount of bodied ferric sulfate is added in settling region, dosage is 10mg/L, for improving the flocculating effect of active sludge, this technical scheme is good to the removal effect of pollutent, the clearance of COD and total phosphorus can reach 30 ~ 40% and 50 ~ 60% respectively, compared with routine hydrolysis acidification pool, COD clearance increase about 10 ~ 25%, total tp removal rate increase about 50 ~ 60%; 3) this technical scheme water side arranges water outlet return line, waste water will be separated for difficult biochemistry, part effluent recycling, to iron-carbon micro-electrolysis oxidation zone, improves the biodegradability of waste water further by the cyclic oxidation of iron-carbon micro-electrolysis, and then improves the treatment effect to waste water; 4) change adaptable to water quality, the water yield, be specially adapted to great Chi body, low discharge, the process of organic wastewater with difficult degradation thereby, and excess sludge production is little, device not only can reach maintenance acidication by sludge reflux and react necessary sludge concentration, but also can make sludge anaerobic minimizing, reduces sludge treatment cost; Plant automation degree is high, effective, instant effect, simple to operate, compact construction, and floor space is little, applied widely, and plant running is stablized, and cost is lower, long service life, maintenance are more convenient.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
In figure: 1 outer cover body, 2 water inlet pipes, 3 intake pumps; 4 valves, 5 guiding regions, 6 iron-carbon granule; 7 granulated active carbons, 8 anaerobic grain sludges, 9 effluent recycling pipes; 10 sludge reflux pumps, 11 Polyferric Sulfate chemical feed pipes, 12 mud return lines; 13 rising pipes, 14 shore pipes, 15, light electrolysis oxidation zone; 16, acidication main body reaction zone, 17, settling region.
Embodiment
In order to deepen, to understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, to illustrate the present invention further.
Embodiment 1:
See Fig. 1, a kind of multi cycle oxidation composite hydrolysis acidification reaction unit, described reaction unit comprises crust of the device body 1, the side of outer cover body 1 arranges water inlet component, guiding region 5, light electrolysis oxidation zone 15, acidication main body reaction zone 16 and settling region 17 is set gradually from left to right in described outer cover body, the opposite side of described outer cover body 1 sets out water assembly, the valve 4 that described water inlet component comprises water inlet pipe 2, intake pump 3 and is arranged on water inlet pipe, described outlet component comprises rising pipe 13, the valve 4 be arranged on rising pipe.Filling iron-carbon micro-electrolysis filler in described light electrolysis oxidation zone, particle diameter is 20 ~ 30mm, and admission space ratio is 20%, for carrying out oxidation pre-treatment in early stage to used water difficult to degradate, can improve the biodegradability of waste water fast.
Embodiment 2:
See Fig. 1, as a modification of the present invention, the bottom of described outer cover body arranges shore pipe 14, is convenient to be discharged by mud in time.Device water side arranges water outlet return line, for bio-refractory waste water, part water outlet can be back to device left part iron-carbon micro-electrolysis oxidation zone, is improved the biodegradability of waste water by the cyclic oxidation of iron-carbon micro-electrolysis further, and then improves the treatment effect to waste water.All the other structures are identical with embodiment 1 with advantage.
Embodiment 3:
See Fig. 1, as a modification of the present invention, the inner loaded particles gac in described acidication main body reaction zone and anaerobic grain sludge.Granulated active carbon particle diameter is 1.0 ~ 5.0mm, and admission space ratio is 5%; Anaerobic grain sludge particle diameter is 2.0 ~ 5.0mm, and admission space ratio is 5%.Granulated active carbon can organic pollutant in quick adsorption waste water, also can improve kind and the quantity of acidication reaction desired microorganisms as microbe carrier fast simultaneously; Anaerobic grain sludge, as microbe carrier, can improve quantity and the activity of microorganism, also can improve the settling property of mud simultaneously, and then improves the treatment effect to waste water.All the other structures are identical with embodiment 1 with advantage.
Embodiment 4:
See Fig. 1, as a modification of the present invention, between described settling region 17 and acidication reaction zone 16, be provided with mud return line 10.Settling region mud is back to acidication reaction zone by mud return line, and controlled hydrolysis acidification reaction sludge concentration MLSS is 3000 ~ 4000mg/L, adds a small amount of bodied ferric sulfate in settling region, and dosage is 10mg/L.For bio-refractory waste water, the anaerobic activated sludge needed for acidication reaction cultivates difficulty, and furthermore active sludge suspends in water and constantly outflows with water, and can cause acidication reaction effect worse and worse; Can the flocculating effect of Quick high reactivity mud by adding polymeric ferric sulfate flocculant on a small quantity, reduce active sludge to run off, and the total phosphorus under solution anaerobic environment excessively discharges the water outlet excessive problem caused, bodied ferric sulfate has certain oxidisability simultaneously, oxidation of organic compounds can be continued to a certain extent, improve the biodegradability of waste water further; All the other structures are identical with embodiment 1 with advantage.
Principle of work: as shown in Figure 1, bio-refractory waste water enters the light electrolysis oxidation zone of reaction unit after water inlet pipe 2 and intake pump 3, filling iron-carbon micro-electrolysis filler in oxidation zone, particle diameter is 20 ~ 30mm, admission space ratio is 20%, the difficult degradation chemical substance of waste water in light electrolysis oxygenolysis waste water, improves the biodegradability of waste water.Waste water after light electrolysis oxidation enters acidication main body reaction zone from bottom to top by prosopyle, bottom; for improving the reaction effect in acidication district; maintenance sludge concentration MLSS is 3000 ~ 4000mg/L, simultaneously inner loaded particles gac and anaerobic grain sludge in acidication reaction zone.Granulated active carbon particle diameter is 1.0 ~ 5.0mm, and admission space ratio is 5%; Anaerobic grain sludge particle diameter is 2.0 ~ 5.0mm, and admission space ratio is 5%.Granulated active carbon can organic pollutant in quick adsorption waste water, also can improve kind and the quantity of acidication reaction desired microorganisms as microbe carrier fast simultaneously; Anaerobic grain sludge, as microbe carrier, can improve quantity and the activity of microorganism, also can improve the settling property of mud simultaneously, and then improves the treatment effect to waste water.Waste water through acidication reaction zone enters sludge settling district, run off in a large number with water for avoiding active sludge, in sludge settling district, add a small amount of polymeric ferric sulfate flocculant, dosage is 10mg/L, and regularly by partly precipitated sludge reflux to acidication reaction zone.In sludge settling district, add polymeric ferric sulfate flocculant can the flocculating effect of Quick high reactivity mud, reduce the loss of active sludge, and the total phosphorus under solution anaerobic environment excessively discharges the water outlet excessive problem caused, bodied ferric sulfate has certain oxidisability simultaneously, oxidation of organic compounds can be continued to a certain extent, improve the biodegradability of waste water further.Waste water after reaction unit process is discharged by rising pipe 13, waste water will be separated for difficult biochemistry, part water outlet is back to iron-carbon micro-electrolysis oxidation zone by return line 9, is improved the biodegradability of waste water by light electrolysis cyclic oxidation further, and then improves the treatment effect to waste water.The excess sludge that reaction unit produces and partial flocculation precipitating sludge, discharged by shore pipe 14.
Application example 1:
Table 1 is the garbage leachate wastewater process example after the biochemical treatment of Jiangsu.
Garbage leachate wastewater process example after the biochemical treatment of table 1 Jiangsu
Multi cycle oxidation composite hydrolysis acidification reaction unit is for the treatment of the garbage leachate wastewater after the biochemical treatment of Jiangsu, 38.1% and 57.8% can be reached respectively to the clearance of COD and total phosphorus, compared with routine hydrolysis acidification pool, COD clearance increase about 15 ~ 25%, total tp removal rate increase about 50 ~ 60%.
Application example 2:
Table 2 is Jiangsu leather waste water process after pretreatment examples.
Table 2 Jiangsu leather waste water process after pretreatment example
Multi cycle oxidation composite hydrolysis acidification reaction unit is for the treatment of Jiangsu leather waste water after pretreatment, 33.7% and 51.6% can be reached respectively to the clearance of COD and total phosphorus, compared with routine hydrolysis acidification pool, COD clearance increase about 10 ~ 20%, total tp removal rate increase about 50 ~ 60%.
Application example 3:
Table 3 is Jiangsu treatment of dyeing wastewater examples after pretreatment.
Table 3 Jiangsu treatment of dyeing wastewater example after pretreatment
Multi cycle oxidation composite hydrolysis acidification reaction unit is for the treatment of Jiangsu dyeing waste water after pretreatment, 36.5% and 55.3% can be reached respectively to the clearance of COD and total phosphorus, compared with routine hydrolysis acidification pool, COD clearance increase about 15 ~ 25%, total tp removal rate increase about 50 ~ 60%.
Application example 4:
Table 4 is process examples of Jiangsu municipal wastewater.
The process example of table 4 Jiangsu municipal wastewater
Multi cycle oxidation composite hydrolysis acidification reaction unit is for the treatment of Jiangsu municipal wastewater, 39.4% and 54.7% can be reached respectively to the clearance of COD and total phosphorus, compared with routine hydrolysis acidification pool, COD clearance increase about 15 ~ 25%, total tp removal rate increase about 50 ~ 60%.
At least one in technical characteristic described in embodiment 2,3,4 and embodiment 1 can also combine by the present invention, form new embodiment.
It should be noted that, above-described embodiment is only preferred embodiment of the present invention, be not used for limit protection scope of the present invention, the equivalent replacement that the basis of technique scheme is made or substitute, all belong to protection scope of the present invention.
Claims (8)
1. a multi cycle oxidation composite hydrolysis acidification reaction unit, it is characterized in that, described reaction unit comprises crust of the device body, the side of outer cover body arranges water inlet component, set gradually guiding region, light electrolysis oxidation zone, acidication main body reaction zone and settling region in described outer cover body from left to right, the opposite side of described outer cover body sets out water assembly.
2. multi cycle oxidation composite hydrolysis acidification reaction unit according to claim 1, is characterized in that, the valve that described water inlet component comprises water inlet pipe, intake pump and is arranged on water inlet pipe.
3. multi cycle according to claim 2 oxidation composite hydrolysis acidification reaction unit, is characterized in that, described outlet component comprises rising pipe, the valve be arranged on rising pipe, is connected with effluent recycling pipe between described rising pipe and water inlet pipe.
4. multi cycle oxidation composite hydrolysis acidification reaction unit according to claim 3, it is characterized in that, the bottom of described outer cover body arranges shore pipe.
5. the multi cycle oxidation composite hydrolysis acidification reaction unit according to claim 3 or 4, it is characterized in that, filling iron-carbon micro-electrolysis filler in described light electrolysis oxidation zone, particle diameter is 20 ~ 30mm, and admission space ratio is 20%.
6. multi cycle oxidation composite hydrolysis acidification reaction unit according to claim 5; it is characterized in that; the inner loaded particles gac in described acidication main body reaction zone and anaerobic grain sludge; granulated active carbon particle diameter is 1.0 ~ 5.0mm; admission space ratio is 5%; anaerobic grain sludge particle diameter is 2.0 ~ 5.0mm, and admission space ratio is 5%.
7. multi cycle oxidation composite hydrolysis acidification reaction unit according to claim 6, is characterized in that, be provided with mud return line between described settling region and acidication reaction zone.
8. multi cycle oxidation composite hydrolysis acidification reaction unit according to claim 7, it is characterized in that, settling region mud is back to acidication reaction zone by mud return line, controlled hydrolysis acidification reaction sludge concentration MLSS is 3000 ~ 4000mg/L, add a small amount of bodied ferric sulfate in settling region, dosage is 10mg/L.
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Cited By (3)
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| CN108394992A (en) * | 2018-05-12 | 2018-08-14 | 东北石油大学 | Loaded cycle anaerobic organism water treatment facilities and reinforced anaerobic method for treating water |
| CN109928511A (en) * | 2019-03-15 | 2019-06-25 | 西安建筑科技大学 | Materialization based on iron-carbon micro-electrolysis-biological coupling denitrification and dephosphorization method and reactor |
| CN113666586A (en) * | 2021-09-09 | 2021-11-19 | 海南天鸿市政设计股份有限公司 | Integrated electro-catalysis sewage treatment device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108394992A (en) * | 2018-05-12 | 2018-08-14 | 东北石油大学 | Loaded cycle anaerobic organism water treatment facilities and reinforced anaerobic method for treating water |
| CN108394992B (en) * | 2018-05-12 | 2021-03-09 | 东北石油大学 | Loading circulation anaerobic biological water treatment device and reinforced anaerobic water treatment method |
| CN109928511A (en) * | 2019-03-15 | 2019-06-25 | 西安建筑科技大学 | Materialization based on iron-carbon micro-electrolysis-biological coupling denitrification and dephosphorization method and reactor |
| CN109928511B (en) * | 2019-03-15 | 2021-06-29 | 西安建筑科技大学 | Physicochemical-biological coupling nitrogen and phosphorus removal method and reactor based on iron-carbon micro-electrolysis |
| CN113666586A (en) * | 2021-09-09 | 2021-11-19 | 海南天鸿市政设计股份有限公司 | Integrated electro-catalysis sewage treatment device |
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