CN107673557A - A kind of decentralized type sewage coupled processing method - Google Patents
A kind of decentralized type sewage coupled processing method Download PDFInfo
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- CN107673557A CN107673557A CN201711044693.4A CN201711044693A CN107673557A CN 107673557 A CN107673557 A CN 107673557A CN 201711044693 A CN201711044693 A CN 201711044693A CN 107673557 A CN107673557 A CN 107673557A
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention discloses a kind of decentralized type sewage coupled processing method, including high efficient biological purifying pond, MBR ponds, carbon source is sustained area, control room, artificial wet land system, sterilization pool and exhalant region, it is characterized in that sewage enters high efficient biological purifying pond, high efficient biological purifying pond includes anoxic section, anaerobism section and aerobic section, sewage carries out organic matter degradation by anoxic section anaerobism section aerobic section and removes nitrogen and phosphorous nutrient, sewage passes through MBR areas, to suspension in sewage, organic matter, colourity is handled, the anoxic section that a sewage part after MBR areas are handled enters in high efficient biological purifying pond as phegma, another part flows into the artificial wet land system with slow release carbon source area, carry out advanced nitrogen dephosphorization processing, sewage after artificial wet land system is handled flows into sterilization pool, enter exhalant region after disinfecting to flow out.The compact-sized floor space of the present invention is small, and treatment effeciency high effect is good, saves the energy, is focused on suitable for decentralized type sewage.
Description
Technical field
The present invention relates to sewage treatment area, particularly belongs to a kind of decentralized type sewage coupled processing method.
Background technology
The work such as the safe drinking water in rural area and sanitary sewage disposal is to improve " problem " that Rural Human Settlements are urgently captured.
Promote rural sewage disposal is wanted, solves the problems, such as rural drinking water safety project, adheres to that urban and rural environment is administered and lays equal stress on, plan as a whole drinking water of rural area peace
Entirely, improving function.According to firmly portion's data are built, China's rural sewage treatment rate is only 22% within 2016.Wherein, the whole nation more than 96%
The planned city had sewage treatment plant, it is mostly that distributing life is dirty that rural area is particularly relative to city, in small towns
Water, lack management and discharge wantonly, it is more difficult to collect.Therefore, in national future development, exploitation design disperses with energy-efficient
Formula sewage treatment technique, low-cost processes new technology, integrated new equipment and operation mode, it is the one of following sewage disposal
Main trend.
What on December 29th, 2015 printed and distributed《Anhui Province's water prevention and cure of pollution programme of work》Highlight cities and towns, domestic sewage in rural areas
The specific standards of processing require and the time limit up to standard, specific requirement are：Completed in the end of the year 2017 with organic town, township market town and center
Village attaches most importance to, Construction of Low Cost of suiting measures to local conditions, manageable sewage treatment facility, accomplishes that point family of sanitary sewage is collected, concentrates
Processing utilizes, and water outlet requirement is reached one-level emission standard A.The cities such as some city Beijing, Kunming, local sewage disposal
Factory's pollutant emission standard is lifted to the class water quality standard of earth's surface four by one-level A.Passed through it is contemplated that following all parts of the country will progressively carry out
The thorough class water discharge standard of earth's surface four.Therefore the lifting of Effluent criteria is imperative after decentralized type sewage processing.Therefore, the present invention carries
A kind of decentralized type sewage coupled processing method is supplied, to solve the above problems.
The content of the invention
The invention provides a kind of decentralized type sewage coupled processing method, and it passes through high efficient biological purifying pond, membrane bioreaction
The research and development preferred compositions of (MBR) area, control room, carbon source sustained release area, artificial wet land system, sterilization pool and exhalant region are answered, are solved
The problem of being mentioned in above-mentioned background technology, realize the pollutant efficiently removed in sewage, while the compact-sized occupation of land of the present invention
Area is small, and treatment effeciency high effect is good, saves the energy, is focused on suitable for decentralized type sewage.
The technical solution adopted by the present invention is as follows：
A kind of decentralized type sewage coupled processing method, including including high efficient biological purifying pond, membrane biological reaction (MBR) area,
Control room, carbon source sustained release area, artificial wet land system, sterilization pool and exhalant region, it is characterized in that sewage enters high efficient biological purifying pond,
High efficient biological purifying pond includes anoxic section, anaerobism section and aerobic section, and sewage carries out organic by anoxic section-anaerobism section-aerobic section
Thing is degraded and the removal of nitrogen and phosphorous nutrient, and sewage passes through membrane biological reaction (MBR) area, to suspension, organic matter, color in sewage
Degree carries out advanced treating, and the sewage part after membrane biological reaction (MBR) area is handled enters high-performance bio as phegma
Anoxic section in clarifier-tank, sewage another part after membrane biological reaction (MBR) area is handled, which flows into, has slow release carbon source area
Artificial wet land system, carry out advanced nitrogen dephosphorization, ensure effluent quality, sewage after artificial wet land system is handled flows into
Sterilization pool, enters exhalant region outflow after disinfecting, and control room passes through wire harness and high efficient biological purifying pond, membrane biological reaction
(MBR) area, carbon source sustained release area, artificial wet land system, sterilization pool, exhalant region connection, comprise the following steps：
1) sewage enters high efficient biological purifying pond, and the high efficient biological purifying pond uses anoxic section-anaerobism section-aerobic section work
Skill, anaerobism section are connected with aerobic section, and the anaerobism section releases phosphorus bacterium, make sewage keep higher suction phosphorus to move after anaerobism section releases phosphorus
Power, improves the effect of denitrogenation dephosphorizing, and sewage is introduced into anoxic pond and the phegma after membrane biological reaction (MBR) area is handled
It is mutually mixed to form mixed liquor, after carrying out denitrification denitrogenation processing, mixed liquor enters anaerobism section, has polyP bacteria in anaerobism section,
PolyP bacteria assembles phosphorus under anaerobic condition, while anaerobism section has the small molecule that macromolecule long-chain organic matter is decomposed into easy biochemistry
Machine thing, water outlet enters aerobic section and carries out organic matter biodegradation, while carries out biological nitration reaction, the membrane biological reaction
(MBR) film is the hollow-fibre membrane made of Kynoar in area, and the maximum diameter of hole of film is 0.03um, the membrane biological reaction
(MBR) the bottom aeration quantity of area Zhong Mo installation regions is big, film is scraped using bubble, effective decelerating membrane pollution, aerobic section
There is baffle plate, carry out interval water outlet, vortex is formed between film installation region and aerobic section, the vortex of formation is constantly rubbed to film
Scrape and wash；
2) membrane biological reaction (MBR) area, the membrane biological reaction (MBR) are entered by the reacted sewage of biological nitration
Area can keep higher sludge concentration, and longer sludge retention time (SRT), the phosphorus content of unit volume sludge is high, suitably
Nitrobacteria growth in membrane biological reaction (MBR) area, nitrifier is set to be enriched with membrane biological reaction (MBR) area, film
Biological respinse (MBR) area can retain microorganism completely, effectively prevent nitrifier to be lost in, and make sewage at membrane biological reaction (MBR)
It is safe and efficient that nitrification processing process is carried out in area；
3) the sewage part after membrane biological reaction (MBR) area is handled enters high efficient biological purifying pond as phegma
In anoxic section, sewage another part after membrane biological reaction (MBR) area is handled flows into artificial with slow release carbon source area
Wet land system, artificial wet land system, which controlledly introduces sewage, carries out treatment and purification on artificial swamp, the artificial swamp system
Unite and denitrogenation dephosphorizing is carried out to the sewage of inflow, carbon source sustained release area is arranged on the front end of artificial wet land system, and the carbon source is sustained area
There is straw, straw constantly discharges carbon source to supplement the carbon source in artificial wet land system required for denitrification；
4) sewage after artificial wet land system is handled flows into sterilization pool, the artificial wet land system water outlet installation
There is sterilization pool, carry out disinfection purified treatment to the sewage after artificial wet land system is handled, and kills the bacterium remained in sewage
Or germ, sewage enter exhalant region after sterilization pool is handled and flowed out, and reach the class water quality standard of earth's surface four from the water of delivery port outflow,
The class water quality standard of earth's surface four is：PH value is 6~9, dissolved oxygen >=3mg/L, permanganate index≤10mg/L, chemical oxygen demand
(COD)≤30mg/L is measured, five-day BOD (BOD5)≤6mg/L, ammonia nitrogen (NH3-N)≤1.5mg/L, total phosphorus is (in terms of P
Calculate)≤0.3mg/L, total nitrogen (being calculated with N)≤1.5mg/L.
The nitrifier mainly plays nitration reaction, by mineralized nitrogen is nitrate nitrogen under aerobic conditions, releases phosphorus bacterium in anaerobism
After section fully releases phosphorus, phosphorus can fully be inhaled by polyP bacteria in anoxic section and aerobic section, handled by membrane biological reaction (MBR) area
Contain nitrate nitrogen in phegma afterwards, phegma enters anaerobism Duan Houhui using carbon source progress denitrification, followed by releasing phosphorus.
The volumetric ratio of anoxic section-anaerobism section-aerobic section is 1 in the high efficient biological purifying pond:1:3, sewage anoxic section-
Anaerobism section-aerobic section residence time ratio is 1:1:3, along the length and width ratio in drainage flow direction in high efficient biological purifying pond
Example scope is 1:1~1:2, along the width and height ratio in drainage flow direction it is 1 in high efficient biological purifying pond:3.
Have in the artificial wet land system soil, plant and microorganism group into obturator, fill in artificial wet land system
The filler porosity of body is 0.3, and the ratio shared by voidage of the filler porosity between particle, artificial wet land system is vertical
Straight drowned flow artificial wet land.
Compared with the prior art, beneficial effects of the present invention are as follows：
The present invention is sustained area, artificial swamp by high efficient biological purifying pond, membrane biological reaction (MBR) area, control room, carbon source
The research and development preferred compositions of system, sterilization pool and exhalant region, develop a kind of decentralized type sewage coupled processing method.Solve above-mentioned
The problem of being mentioned in background technology：High efficient biological purifying pond uses anoxic section-anaerobism section-aerobic segment process, strengthens the present invention
Denitrogenation dephosphorizing ability；The bottom aeration quantity of membrane biological reaction (MBR) area Zhong Mo installation regions is big, and film is scraped using bubble
Wipe, effective decelerating membrane pollution, while aerobic section of the present invention has a baffle plate, carries out interval water outlet, film installation region and aerobic section it
Between form vortex, the vortex that membrane biological reaction (MBR) area is formed in water treatment procedure constantly carries out friction to film and scrapes, and drops
Low fouling membrane extends membrane lifetime；Artificial wet land system front end adds carbon source sustained release area, by adding the prices such as waste straw
Cheap material is imitated as slow release carbon source, the endlessly carbon source required for supplement reaction, the biological denitrificaion for improving the present invention
Fruit.The compact-sized floor space of the present invention is small simultaneously, and treatment effeciency is high, saves the energy, has high denitrogenation dephosphorizing ability, fits
For being promoted the use of in being focused in decentralized type sewage.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the present invention；
Fig. 2 is membrane biological reaction (MBR) area Zhong Mo installation regions planing surface figure.
Explanation：1 is baffle plate in Fig. 2；2 be film；3 be bubble.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of invention protection.
With reference to schematic flow sheet and embodiment, the present invention is further detailed explanation.
A kind of decentralized type sewage coupled processing method, including including high efficient biological purifying pond, membrane biological reaction (MBR) area,
Control room, carbon source sustained release area, artificial wet land system, sterilization pool and exhalant region, it is characterized in that sewage enters high efficient biological purifying pond,
High efficient biological purifying pond includes anoxic section, anaerobism section and aerobic section, and sewage carries out organic by anoxic section-anaerobism section-aerobic section
Thing is degraded and the removal of nitrogen and phosphorous nutrient, and sewage passes through membrane biological reaction (MBR) area, to suspension, organic matter, color in sewage
Degree carries out advanced treating, and the sewage part after membrane biological reaction (MBR) area is handled enters high-performance bio as phegma
Anoxic section in clarifier-tank, sewage another part after membrane biological reaction (MBR) area is handled, which flows into, has slow release carbon source area
Artificial wet land system, carry out advanced nitrogen dephosphorization, ensure effluent quality, sewage after artificial wet land system is handled flows into
Sterilization pool, enters exhalant region outflow after disinfecting, and control room passes through wire harness and high efficient biological purifying pond, membrane biological reaction
(MBR) area, carbon source sustained release area, artificial wet land system, sterilization pool, exhalant region connection, comprise the following steps：
1) sewage enters high efficient biological purifying pond, and the high efficient biological purifying pond uses anoxic section-anaerobism section-aerobic section work
Skill, anaerobism section are connected with aerobic section, and the anaerobism section releases phosphorus bacterium, make sewage keep higher suction phosphorus to move after anaerobism section releases phosphorus
Power, improves the effect of denitrogenation dephosphorizing, and sewage is introduced into anoxic pond and the phegma after membrane biological reaction (MBR) area is handled
It is mutually mixed to form mixed liquor, after carrying out denitrification denitrogenation processing, mixed liquor enters anaerobism section, has polyP bacteria in anaerobism section,
PolyP bacteria assembles phosphorus under anaerobic condition, while anaerobism section has the small molecule that macromolecule long-chain organic matter is decomposed into easy biochemistry
Machine thing, water outlet enters aerobic section and carries out organic matter biodegradation, while carries out biological nitration reaction, the membrane biological reaction
(MBR) film is the hollow-fibre membrane made of Kynoar in area, and the maximum diameter of hole of film is 0.03um, the membrane biological reaction
(MBR) the bottom aeration quantity of area Zhong Mo installation regions is big, film is scraped using bubble, effective decelerating membrane pollution, aerobic section
There is baffle plate, carry out interval water outlet, vortex is formed between film installation region and aerobic section, the vortex of formation is constantly rubbed to film
Scrape and wash；
2) membrane biological reaction (MBR) area, the membrane biological reaction (MBR) are entered by the reacted sewage of biological nitration
Area can keep higher sludge concentration, and longer sludge retention time (SRT), the phosphorus content of unit volume sludge is high, suitably
Nitrobacteria growth in membrane biological reaction (MBR) area, nitrifier is set to be enriched with membrane biological reaction (MBR) area, film
Biological respinse (MBR) area can retain microorganism completely, effectively prevent nitrifier to be lost in, and make sewage at membrane biological reaction (MBR)
It is safe and efficient that nitrification processing process is carried out in area；
3) the sewage part after membrane biological reaction (MBR) area is handled enters high efficient biological purifying pond as phegma
In anoxic section, sewage another part after membrane biological reaction (MBR) area is handled flows into artificial with slow release carbon source area
Wet land system, artificial wet land system, which controlledly introduces sewage, carries out treatment and purification on artificial swamp, the artificial swamp system
Unite and denitrogenation dephosphorizing is carried out to the sewage of inflow, carbon source sustained release area is arranged on the front end of artificial wet land system, and the carbon source is sustained area
There is straw, straw constantly discharges carbon source to supplement the carbon source in artificial wet land system required for denitrification；
4) sewage after artificial wet land system is handled flows into sterilization pool, the artificial wet land system water outlet installation
There is sterilization pool, carry out disinfection purified treatment to the sewage after artificial wet land system is handled, and kills the bacterium remained in sewage
Or germ, sewage enter exhalant region after sterilization pool is handled and flowed out, and reach the class water quality standard of earth's surface four from the water of delivery port outflow,
The class water quality standard of earth's surface four is：PH value is 6~9, dissolved oxygen >=3mg/L, permanganate index≤10mg/L, chemical oxygen demand
(COD)≤30mg/L is measured, five-day BOD (BOD5)≤6mg/L, ammonia nitrogen (NH3-N)≤1.5mg/L, total phosphorus is (in terms of P
Calculate)≤0.3mg/L, total nitrogen (being calculated with N)≤1.5mg/L.
The nitrifier mainly plays nitration reaction, by mineralized nitrogen is nitrate nitrogen under aerobic conditions, releases phosphorus bacterium in anaerobism
After section fully releases phosphorus, phosphorus can fully be inhaled by polyP bacteria in anoxic section and aerobic section, handled by membrane biological reaction (MBR) area
Contain nitrate nitrogen in phegma afterwards, phegma enters anaerobism Duan Houhui using carbon source progress denitrification, followed by releasing phosphorus.
The volumetric ratio of anoxic section-anaerobism section-aerobic section is 1 in the high efficient biological purifying pond:1:3, sewage anoxic section-
Anaerobism section-aerobic section residence time ratio is 1:1:3, along the length and width ratio in drainage flow direction in high efficient biological purifying pond
Example scope is 1:1~1:2, along the width and height ratio in drainage flow direction it is 1 in high efficient biological purifying pond:3.
Have in the artificial wet land system soil, plant and microorganism group into obturator, fill in artificial wet land system
The filler porosity of body is 0.3, and the ratio shared by voidage of the filler porosity between particle, artificial wet land system is vertical
Straight drowned flow artificial wet land.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (4)
1. a kind of decentralized type sewage coupled processing method, including including high efficient biological purifying pond, membrane biological reaction (MBR) area, control
Between system, carbon source sustained release area, artificial wet land system, sterilization pool and exhalant region, it is characterized in that sewage enters high efficient biological purifying pond, height
Effect biological purifying tank includes anoxic section, anaerobism section and aerobic section, and sewage carries out organic matter by anoxic section-anaerobism section-aerobic section
Degraded and the removal of nitrogen and phosphorous nutrient, sewage pass through membrane biological reaction (MBR) area, suspension, organic matter, colourity in sewage are entered
Row advanced treating, the sewage part after membrane biological reaction (MBR) area is handled enter high efficient biological purifying as phegma
Anoxic section in pond, sewage another part after membrane biological reaction (MBR) area is handled flow into the people with slow release carbon source area
Work wet land system, advanced nitrogen dephosphorization is carried out, ensure effluent quality, the sewage after artificial wet land system is handled flows into sterilization
Pond, enters exhalant region outflow after disinfecting, and control room passes through wire harness and high efficient biological purifying pond, membrane biological reaction
(MBR) area, carbon source sustained release area, artificial wet land system, sterilization pool, exhalant region connection, comprise the following steps：
1) sewage enters high efficient biological purifying pond, and the high efficient biological purifying pond uses anoxic section-anaerobism section-aerobic segment process,
Anaerobism section is connected with aerobic section, and the anaerobism section releases phosphorus bacterium, sewage is kept higher suction phosphorus power after anaerobism section releases phosphorus,
The effect of denitrogenation dephosphorizing is improved, sewage is introduced into anoxic pond and the backflow liquid phase after membrane biological reaction (MBR) area is handled
Mixed liquor is mutually mixed to form, after carrying out denitrification denitrogenation processing, mixed liquor enters anaerobism section, has polyP bacteria in anaerobism section, is detesting
PolyP bacteria assembles phosphorus under the conditions of oxygen, at the same anaerobism section macromolecule long-chain organic matter is decomposed into easy biochemistry small molecule it is organic
Thing, water outlet enters aerobic section and carries out organic matter biodegradation, while carries out biological nitration reaction, the membrane biological reaction (MBR)
Film is the hollow-fibre membrane made of Kynoar in area, and the maximum diameter of hole of film is 0.03um, the membrane biological reaction (MBR)
The bottom aeration quantity of area Zhong Mo installation regions is big, film is scraped using bubble, effective decelerating membrane pollution, aerobic section has gear
Plate, interval water outlet is carried out, vortex is formed between film installation region and aerobic section, the vortex of formation constantly carries out friction to film and scraped
Wash；
2) membrane biological reaction (MBR) area is entered by the reacted sewage of biological nitration, membrane biological reaction (MBR) area can
Higher sludge concentration is kept, longer sludge retention time (SRT), the phosphorus content of unit volume sludge is high, suitable film biology
The nitrobacteria growth in (MBR) area is reacted, nitrifier is enriched with membrane biological reaction (MBR) area, membrane bioreaction
Answer (MBR) area to retain microorganism completely, effectively prevent nitrifier to be lost in, make sewage in membrane biological reaction (MBR) Qu Zhongjin
Row nitrification processing process is safe and efficient；
3) the sewage part after membrane biological reaction (MBR) area is handled enters in high efficient biological purifying pond as phegma
Anoxic section, sewage another part after membrane biological reaction (MBR) area is handled flow into the artificial swamp with slow release carbon source area
System, artificial wet land system, which controlledly introduces sewage, carries out treatment and purification on artificial swamp, the artificial wet land system pair
The sewage of inflow carries out denitrogenation dephosphorizing, and carbon source sustained release area is arranged on the front end of artificial wet land system, and the carbon source is sustained Qu Youzhi
Thing stalk, straw constantly discharge carbon source to supplement the carbon source in artificial wet land system required for denitrification；
4) sewage after artificial wet land system is handled flows into sterilization pool, and the artificial wet land system water outlet, which is provided with, to disappear
Malicious pond, carry out disinfection purified treatment to the sewage after artificial wet land system is handled, and kills the bacterium remained in sewage or disease
Bacterium, sewage enter exhalant region after sterilization pool is handled and flowed out, and reach the class water quality standard of earth's surface four from the water of delivery port outflow, described
The class water quality standard of earth's surface four is：PH value is 6~9, dissolved oxygen >=3mg/L, permanganate index≤10mg/L, COD
(COD)≤30mg/L, five-day BOD (BOD5)≤6mg/L, ammonia nitrogen (NH3-N)≤1.5mg/L, total phosphorus (are calculated) with P
≤ 0.3mg/L, total nitrogen (being calculated with N)≤1.5mg/L.
2. a kind of decentralized type sewage coupled processing method according to claim 1, it is characterised in that the nitrifier mainly rises
Nitration reaction, by mineralized nitrogen it is nitrate nitrogen under aerobic conditions, releases phosphorus bacterium after anaerobism section fully releases phosphorus, anoxic section and aerobic
Phosphorus can fully be inhaled by polyP bacteria in section, contain nitrate nitrogen in the phegma after membrane biological reaction (MBR) area is handled, return
Flow liquid enters anaerobism Duan Houhui using carbon source progress denitrification, followed by releasing phosphorus.
A kind of 3. decentralized type sewage coupled processing method according to claim 1, it is characterised in that the high efficient biological purifying
The volumetric ratio of anoxic section-anaerobism section-aerobic section is 1 in pond:1:3, sewage is in anoxic section-anaerobism section-aerobic section residence time
Than for 1:1:3, along the length and width proportion in drainage flow direction it is 1 in high efficient biological purifying pond:1~1:2, it is efficiently raw
In thing clarifier-tank along drainage flow direction width and height ratio be 1:3.
A kind of 4. decentralized type sewage coupled processing method according to claim 1, it is characterised in that the artificial wet land system
In have soil, plant and microorganism group into obturator, the filler porosity of obturator is 0.3 in artificial wet land system, filler
Ratio shared by voidage of the porosity between particle, artificial wet land system are vertical subsurface flow wetland.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483659A (en) * | 2018-06-14 | 2018-09-04 | 安徽舜禹水务股份有限公司 | A kind of strengthening biological carbon and phosphorous removal folded plate reactor sewage-treatment plant |
| CN108911135A (en) * | 2018-07-17 | 2018-11-30 | 厦门理工学院 | A kind of processing method of waste water of livestock poultry |
| CN110655187A (en) * | 2019-09-30 | 2020-01-07 | 江苏凯米膜科技股份有限公司 | Distributed sewage treatment method and treatment system |
| CN111689653A (en) * | 2020-06-29 | 2020-09-22 | 中国科学院生态环境研究中心 | Biological-ecological integrated sewage treatment device and treatment method |
| CN111847804A (en) * | 2020-08-17 | 2020-10-30 | 安徽皖欣环境工程有限公司 | Domestic sewage treatment system |
| CN112744915A (en) * | 2020-11-25 | 2021-05-04 | 金科环境股份有限公司 | Mechanical scrubbing membrane biological reaction system and method |
| CN112939379A (en) * | 2021-04-19 | 2021-06-11 | 南京理工大学 | Advanced treatment method for industrial production wastewater of lithium battery |
| CN113461159A (en) * | 2021-06-18 | 2021-10-01 | 清华大学 | Municipal administration sewage treatment system |
| CN113880250A (en) * | 2021-08-19 | 2022-01-04 | 河海大学 | Combined purification system for efficiently treating rural domestic sewage |
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| CN110655187B (en) * | 2019-09-30 | 2021-11-30 | 江苏凯米膜科技股份有限公司 | Distributed sewage treatment method and treatment system |
| CN111689653A (en) * | 2020-06-29 | 2020-09-22 | 中国科学院生态环境研究中心 | Biological-ecological integrated sewage treatment device and treatment method |
| CN111847804A (en) * | 2020-08-17 | 2020-10-30 | 安徽皖欣环境工程有限公司 | Domestic sewage treatment system |
| CN112744915A (en) * | 2020-11-25 | 2021-05-04 | 金科环境股份有限公司 | Mechanical scrubbing membrane biological reaction system and method |
| CN112939379A (en) * | 2021-04-19 | 2021-06-11 | 南京理工大学 | Advanced treatment method for industrial production wastewater of lithium battery |
| CN113461159A (en) * | 2021-06-18 | 2021-10-01 | 清华大学 | Municipal administration sewage treatment system |
| CN113880250A (en) * | 2021-08-19 | 2022-01-04 | 河海大学 | Combined purification system for efficiently treating rural domestic sewage |
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