CN110092474A - A-ACMBR technique exempts from the sewage disposal system of additional carbon removal total nitrogen - Google Patents
A-ACMBR technique exempts from the sewage disposal system of additional carbon removal total nitrogen Download PDFInfo
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- CN110092474A CN110092474A CN201910472574.1A CN201910472574A CN110092474A CN 110092474 A CN110092474 A CN 110092474A CN 201910472574 A CN201910472574 A CN 201910472574A CN 110092474 A CN110092474 A CN 110092474A
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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
- C02F3/302—Nitrification and denitrification 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
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- Biodiversity & Conservation Biology (AREA)
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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)
- Separation Using Semi-Permeable Membranes (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses the sewage disposal systems that a kind of A-ACMBR technique exempts from additional carbon removal total nitrogen, including coagulation equipment body and secondary treatment equipment main body；The present invention has the advantages that capableing of the processing high solids content of low-cost high-efficiency, low ratio of carbon to ammonium, the town sewage of high pollution object, cultivation slaughtering wastewater and industrial organic waste water.
Description
Technical field
The present invention relates to a kind of sewage disposal system, additional carbon removal is not total for specifically a kind of A-ACMBR technique
The sewage disposal system of nitrogen belongs to sewage disposal system field.
Background technique
With the quickening of China's Urbanization Construction process, town sewage discharge amount and its proportion are also increasing year by year,
The process demand of town sewage is growing.It includes being easy by microorganism that the primary chemical group of town sewage, which becomes organic compound,
Protein, lipid, carbohydrate, organic acid, the alcohols of degradation, and it is not easy the natural organic matters such as the cellulose being degraded, lignin；
Inorganic matter sandstone, suspended matter, dissolubility salt etc..In recent years, with the adjustment of China's structure of agricultural production and pushing away for agriculture industrialization
Into scale, intensive livestock and poultry breeding industry are grown rapidly, and the important component of China's Economy of agriculture and countryside is become.
But the development of these farms also becomes the important pollution sources of polluted-water.The wastewater discharge of the annual livestock and poultry cultivation in China is super
10,000,000,000 tons are crossed, considerably beyond national industrial wastewater and sanitary wastewater discharge amount summation.Waste water of livestock poultry water fluctuation simultaneously is big, contains
The quantity of slag, organic matter and concentration of nitrogen and phosphorus are high, and processing technique is not mature enough, and management operating is at high cost, and the effluent quality overwhelming majority is not yet
Reach national grade one discharge standard, problem of environmental pollution is also got worse.Pollution from livestock and poultry has become after industrial pollution, life
The third-largest pollution sources after pollution.Therefore, to effectively reduce pollution of the livestock breeding wastewater to environment, guarantee that our province livestock and poultry are supported
It is extremely urgent to research and develop to adaptation to local conditions the processing technique of waste water of livestock poultry efficiently, inexpensive for the steady and sound development for growing industry.
As the improvement of people's living standards, the carbon-nitrogen ratio of town sewage is generally relatively low, total nitrogen removal effect is caused to be paid no attention to
Think, this is mainly influenced by sewage network and industrial wastewater.The aquaculture model of livestock and poultry cultivation industry tends to scale, and there are nitrogen for waste water
The higher feature of phosphorus concentration.
In process for town sewage treatment, there are commonly activated sludge process, biofilm, oxidation pond and batch-type aerations
Deng.It there is problems in application process: 1. sludge quantity is big, it is difficult to which 2. the low 3. tradition of reusing sewage rate is living for processing disposition
The construction of property sludge takes up a large area.Due to biological tank and secondary settling tank is individually designed that secondary settling tank is caused to occupy very large area.
Livestock breeding wastewater, technique for treating industrial wastewater have preliminarily formed several technology modes, common technique packet
It includes and is thoroughly mixed formula anaerobic reactor CSTR, anaerobic filter AF, Anaerobic Sequencing Bath Reactor ASBR, anaerobic baffle reactor ABR,
Anaerobic complex reactor UBF, internal-circulation anaerobic reactor IC, up-flow anaerobic sludge blanket UASB etc..Although anaerobic bio-treated
High concentration waste water of livestock poultry can be directly handled, and the energy can be recycled, but pollutant concentration is still very high in Anaerobic Treatment water outlet, especially
It is that ammonia nitrogen does not remove substantially, after being discharged into water body, the influence to environment is still very big, needs further work-up.Simultaneously because
Aerobe technique directly handles high concentration waste water of livestock poultry energy consumption height, and operating cost is expensive.Using anaerobic-aerobic Combined Treatment work
Skill is most economical method generally acknowledged at present.
Although thering are more and more sewage treatment plants, farm to use some new processes in recent years, new skill has been introduced
Art equipment, but there are some problems, mainly there is the following aspects:
1, certain technical equipment and technique have ignored the overall operation cost of sewage plant, factory, farm in the course of the research, cause
The restraining factors for keeping operational management at high cost as wastewater treatment normal operation；
2, total nitrogen discharged problem not up to standard caused by carbon-nitrogen ratio is low becomes a great problem for influencing operation of sewage disposal system；
3, the discharge that waste water is controlled not from source, increases the difficulty and processing cost of wastewater treatment, does not meet sustainable
Develop the thought of society.
Summary of the invention
To solve the above-mentioned problems, the present invention devises the sewage that a kind of A-ACMBR technique exempts from additional carbon removal total nitrogen
Processing system is capable of the processing high solids content of low-cost high-efficiency, low ratio of carbon to ammonium, the town sewage of high pollution object, cultivation are butchered
Waste water and industrial organic waste water.
The technical solution of the present invention is as follows:
A-ACMBR technique exempts from the sewage disposal system of additional carbon removal total nitrogen, including at coagulation equipment body and second level
Equipment body is managed, the coagulation equipment body is cylindrical shape, and inside is equipped with anaerobic reaction area, utilizes the anaerobism in the region
Microorganism carries out the biological decomposition and removal based on denitrification, short-cut denitrification to some organic pollutants, nitrate nitrogen；It is described
Anaerobic reaction area top is provided with water feed apparatus；Blender is arranged in bottom in the anaerobic reaction area, stirs mixed liquor
It mixes, prevents sludge settling.
The secondary treatment equipment agent set is cylindrical shape, including the micro- aerobic reactor zone of outer cylinder and the aerobic recycle stream of inner cylinder
Change reaction zone, the outer ring in the secondary treatment equipment agent set, micro- aerobic reactor zone is arranged in micro- aerobic reactor zone
Water (flow) direction be from top to bottom, using the facultative microbe in micro- aerobic reactor zone in sewage COD and sludge give birth to
Object conversion, is realized " sludge zero discharge ", micro- aerobic reactor zone top is provided with into water water-distributing device, using cloth mill weir shape
Formula realizes Multipoint Uniform water inlet；The aerobic ciculation fluidized reaction zone is arranged in the secondary treatment equipment agent set
Center, there are a large amount of organic active sludge in the aerobic ciculation fluidized reaction zone, can decompose most organic pollutants
It removes, hollow fiber film assembly is also equipped in the aerobic ciculation fluidized reaction zone, the hollow fiber film assembly setting exists
The middle and upper part of aerobic ciculation fluidized reaction zone is lower than recirculating fluidized bed liquid level, is aerated into the membrane module, and uses self-absorption centrifugal
Pump draws water out of this membrane module, realizes mud-water separation, biological activated sludge is trapped in reaction zone, and clear water is extracted, water outlet
Can be up to standard, which needs to be backwashed according to actual use situation.The aerobic reactor zone lower section, hollow-fibre membrane
It is aerated respectively below component, maintains aerobic condition and using caused by the rising kinetic energy of large quantity of air bubble in water
Motive force realizes the ciculation fluidized of aerobic ciculation fluidized reaction zone, and the sewage water (flow) direction of the aerobic ciculation fluidized reaction zone is
From the bottom up, it is degraded using aerobic microbiological to the COD in sewage.
It is provided with aerator below the aerobic ciculation fluidized reaction zone, provides oxygen for aerobic microbiological, and pass through
Mixed liquor between aerobic ciculation fluidized reaction zone and micro- aerobic reactor zone described in the castering action realization inner/outer tube of aerator
It is ciculation fluidized.Air is blasted into reactor by blower, rises the castering action realization generated in the reaction zone using air
The fluidisation circulation of mixed liquor between inner/outer tube.
Be respectively arranged with outside the coagulation equipment body, secondary treatment equipment agent set mixed liquor elevator pump and
Internal circulation pump, mixed liquor elevator pump promote the mixed liquor of anaerobic reaction area and are delivered to the water inlet on micro- aerobic reaction top
Water-distributing device passes through the start and stop of the Liquid level mixed liquor elevator pump of secondary treatment equipment；Internal circulation pump is by micro- aerobic reactor zone
Mixed liquor be delivered to anaerobic reaction area, realize the circulation of mixed liquor, internal circulating load 100%-400% is carried out according to practical water quality
Field adjustable；
The hollow fiber film assembly rear end is provided with production water pump, produces water pump for clear water and extracts aerobic reactor zone out, produces water pump and passes through
PLC automatic control cabinet realizes that interval produces water.
The two-stage treatment equipment body is additionally provided with Aeration fan, and the Aeration fan passes through aerated conduit and described
Hollow fiber film assembly and aerator supply air to hollow fiber film assembly and aerator, and aeration quantity is according to practical water
Matter, mixed liquor internal circulating load are adjusted.
The dissolved oxygen of the anaerobic reaction area is controlled in 0mg/l；The dissolved oxygen of micro- aerobic reactor zone is controlled in 0-
0.5mg/l；The dissolved oxygen of the aerobic ciculation fluidized reaction zone is controlled in 0.5-1.0mg/l.
The ratio of height to diameter of coagulation equipment body is 1:1 ~ 10:1；The ratio of height to diameter of secondary treatment equipment is 1.5:1 ~ 10:1.
The inside circular flow of secondary treatment equipment main body is 2-20 times for handling sewage quantity.
The internal circulating load of the internal circulation pump is the 100%-400% for handling sewage quantity；The start and stop of the mixed liquor elevator pump are logical
The liquid level for crossing secondary treatment equipment is controlled.
The reaction temperature of coagulation equipment body and secondary treatment equipment main body is 10-60 DEG C, and pH value is 6.0 ~ 8.5.
This system using anaerobe, facultative microbe, aerobic microbiological collective effect by the COD, total in sewage
The polluters such as nitrogen carry out Degradation and Transformation, and the removal efficiency of major pollutants reaches 85% or more, and the removal efficiency of total nitrogen reaches
90% or more, and excess sludge yield is seldom or without output.Compared with existing anaerobism, aerobic treatment process, there is total nitrogen
The advantages that high treating effect, sludge zero discharge, land occupation are less, process structure is integrated.
The anaerobic reaction area, micro- aerobic reactor zone, the anaerobism in aerobic reactor zone and oxygen, aerobic microbiological are to set
When standby starting by be inoculated with floc sludge sludge slowly turn out come.
In an embodiment of the present invention, coagulation equipment body is cylindrical shape；Secondary treatment equipment main body is cylindrical shape.
This system based on multiple-microorganism composite flora, in conjunction with Circulating Fluidized Bed Process and Middle hollow fiber membrane skill
The group technology largely removed, processing low ratio of carbon to ammonium, the town sewage of high solids, cultivation are removed in organic contamination in waste water by art
Slaughtering wastewater and industrial organic waste water.The exceeded problem of total nitrogen present in the common processing mode of the such waste water of effective solution.
Hollow fiber film assembly is set in the reaction zone, it will treated clear water extraction system.
The present invention has the advantages that capableing of the city of the processing high solids content of low-cost high-efficiency, low ratio of carbon to ammonium, high pollution object
Town sewage, cultivation slaughtering wastewater and industrial organic waste water.
Present invention will be further explained below with reference to the attached drawings and examples.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
In figure: 1, anaerobic reaction area；2, micro- aerobic reactor zone；3, aerobic ciculation fluidized reaction zone；4, water feed apparatus；5, it stirs
Device；6, water inlet water-distributing device；7, hollow fiber film assembly；8, aerator；9, aerated conduit；10, mixed liquor elevator pump；11,
Internal circulation pump；12, water pump is produced；13, Aeration fan.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
As shown in Figure 1, a kind of micro- aerobic recirculating fluidized bed film biology of A-ACMBR(anaerobism -) technique exempts from additional carbon removal total nitrogen
Sewage disposal system, including coagulation equipment body and secondary treatment equipment main body, the coagulation equipment body be
Cylindrical shape, inside be equipped with anaerobic reaction area 1, using the anaerobe in the region to some organic pollutants, nitrate nitrogen into
Biological decomposition and removal of the row based on denitrification, short-cut denitrification；1 top of anaerobic reaction area is provided with water feed apparatus 4；
Blender 5 is arranged in bottom in the anaerobic reaction area 1, is stirred to mixed liquor, prevents sludge settling.
The secondary treatment equipment agent set is cylindrical shape, including the micro- aerobic reactor zone 2 of outer cylinder and the aerobic circulation of inner cylinder
Fluidized reaction zone 3, the outer ring in the secondary treatment equipment agent set is arranged in micro- aerobic reactor zone 2, micro- aerobic anti-
The water (flow) direction for answering area 2 is from top to bottom, using the facultative microbe in micro- aerobic reactor zone 2 to the COD and sludge in sewage
Bioconversion is carried out, is realized " sludge zero discharge ", micro- 2 top of aerobic reactor zone is provided with into water water-distributing device 6, is used
Cloth mill weir form realizes Multipoint Uniform water inlet；The aerobic ciculation fluidized reaction zone 3 is arranged in the secondary treatment equipment main body
Center in device, there are a large amount of organic active sludge in the aerobic ciculation fluidized reaction zone 3, can be by the organic dirts of the overwhelming majority
It contaminates object and decomposes removal, be also equipped with hollow fiber film assembly 7, the hollow-fibre membrane in the aerobic ciculation fluidized reaction zone 3
The middle and upper part of aerobic ciculation fluidized reaction zone 3 is arranged in component 7, is lower than recirculating fluidized bed liquid level, is aerated into the membrane module, and
It is drawn water out of this membrane module using self-priming centrifugal pump, realizes mud-water separation, biological activated sludge is trapped in reaction zone 3, clearly
Water is extracted, and water outlet can be up to standard, which needs to be backwashed according to actual use situation.The aerobic reactor zone 3
Lower section, the lower section of hollow fiber film assembly 7 be aerated respectively, maintain aerobic condition and using large quantity of air bubble in water
Rise motive force caused by kinetic energy and realizes the ciculation fluidized of aerobic ciculation fluidized reaction zone 3, the aerobic ciculation fluidized reaction
The sewage water (flow) direction in area 3 is from the bottom up, to be degraded using aerobic microbiological to the COD in sewage.
It is provided with aerator 8 below the aerobic ciculation fluidized reaction zone 3, provides oxygen for aerobic microbiological, and lead to
The castering action for crossing aerator is realized to be mixed between aerobic ciculation fluidized reaction zone 3 and micro- aerobic reactor zone 2 described in inner/outer tube
Liquid it is ciculation fluidized.Air is blasted into reactor by blower, rises the castering action generated in the reaction zone using air
The fluidisation circulation of mixed liquor between realization inner/outer tube.
Mixed liquor elevator pump 10(is provided with by coagulation equipment body outside the I and II processing equipment agent set
Device lower part or bottom are connected into water water-distributing device 6) and internal circulation pump 11(by secondary treatment equipment agent set bottom be connected to one
Grade processing equipment agent set is not less than the position liquid level 0.3m), mixed liquor elevator pump 10 to the mixed liquor of anaerobic reaction area 1 into
Row promotes and is delivered to the water inlet water-distributing device 6 on micro- 2 top of aerobic reactor zone, is mixed by the Liquid level of secondary treatment equipment
The start and stop of liquid elevator pump 10；The mixed liquor of micro- aerobic reactor zone 2 is delivered to anaerobic reaction area 1 by internal circulation pump 11, realizes mixing
The circulation of liquid, internal circulating load 100%-400% carry out field adjustable according to practical water quality；
7 rear end of hollow fiber film assembly is provided with production water pump 12(and is picked out by the water outlet of hollow fiber film assembly 7), produce water
Pump 12 extracts clear water out aerobic reactor zone 3, produces water pump by PLC automatic control cabinet and realizes that interval produces water.
The two-stage treatment equipment body is additionally provided with Aeration fan 13, the Aeration fan 13 by aerated conduit 9 with
The hollow fiber film assembly 7 and aerator 8, supplies air to hollow fiber film assembly 7 and aerator 8, aeration quantity
It is adjusted according to practical water quality, mixed liquor internal circulating load.
The dissolved oxygen of the anaerobic reaction area 1 is controlled in 0mg/l；The dissolved oxygen of micro- aerobic reactor zone 2 is controlled in 0-
0.5mg/l；The dissolved oxygen of the aerobic ciculation fluidized reaction zone 3 is controlled in 0.5-1.0mg/l.
The ratio of height to diameter of coagulation equipment body is 1:1 ~ 10:1；The ratio of height to diameter of secondary treatment equipment is 1.5:1 ~ 10:1.
The inside circular flow of secondary treatment equipment main body is 2-20 times for handling sewage quantity.
The internal circulating load of the internal circulation pump 11 is the 100%-400% for handling sewage quantity；The mixed liquor elevator pump 10 opens
Stop being controlled by the liquid level of secondary treatment equipment.
The reaction temperature of coagulation equipment body and secondary treatment equipment main body is 10-60 DEG C, and pH value is 6.0 ~ 8.5.
This system using anaerobe, facultative microbe, aerobic microbiological collective effect by the COD, total in sewage
The polluters such as nitrogen carry out Degradation and Transformation, and the removal efficiency of major pollutants reaches 85% or more, and the removal efficiency of total nitrogen reaches
90% or more, and excess sludge yield is seldom or without output.Compared with existing anaerobism, aerobic treatment process, there is total nitrogen
The advantages that high treating effect, sludge zero discharge, land occupation are less, process structure is integrated.
The anaerobic reaction area 1, micro- aerobic reactor zone 2, the anaerobism in aerobic reactor zone 3 and oxygen, aerobic microbiological be
Equipment start when by be inoculated with floc sludge sludge slowly turn out come.
In an embodiment of the present invention, coagulation equipment body is cylindrical shape；Secondary treatment equipment main body is cylindrical shape.
This system based on multiple-microorganism composite flora, in conjunction with Circulating Fluidized Bed Process and Middle hollow fiber membrane skill
The group technology largely removed, processing low ratio of carbon to ammonium, the town sewage of high solids, cultivation are removed in organic contamination in waste water by art
Slaughtering wastewater and industrial organic waste water.The exceeded problem of total nitrogen present in the common processing mode of the such waste water of effective solution.
Hollow fiber film assembly 7 is set in the reaction zone 3, it will treated clear water extraction system.
Claims (9)
1. the sewage disposal system that A-ACMBR technique exempts from additional carbon removal total nitrogen, it is characterised in that: set including coagulation
Standby main body and secondary treatment equipment main body；The coagulation equipment body is cylindrical shape, and inside is equipped with anaerobic reaction area；It is described
Anaerobic reaction area top is provided with water feed apparatus；Blender is arranged in bottom in the anaerobic reaction area；
The secondary treatment equipment agent set is cylindrical shape, including the micro- aerobic reactor zone of outer cylinder and inner cylinder it is aerobic ciculation fluidized anti-
Area is answered, the outer ring in the secondary treatment equipment agent set, the water of micro- aerobic reactor zone is arranged in micro- aerobic reactor zone
Flowing direction is from top to bottom that micro- aerobic reactor zone top is provided with into water water-distributing device；The aerobic ciculation fluidized reaction
The center in the secondary treatment equipment agent set is arranged in area, is also equipped in the aerobic ciculation fluidized reaction zone hollow
The middle and upper part of aerobic ciculation fluidized reaction zone is arranged in fiber film component, the hollow fiber film assembly, is lower than recirculating fluidized bed
Liquid level.
2. A-ACMBR technique according to claim 1 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
In: it is provided with aerator below the aerobic ciculation fluidized reaction zone, provides oxygen for aerobic microbiological, and pass through aeration dress
The castering action set realizes the recycle stream of mixed liquor between aerobic ciculation fluidized reaction zone and micro- aerobic reactor zone described in inner/outer tube
Change.
3. A-ACMBR technique according to claim 1 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
In: it is respectively arranged with mixed liquor elevator pump outside the coagulation equipment body, secondary treatment equipment agent set and interior follows
Ring pump, mixed liquor elevator pump promote the mixed liquor of anaerobic reaction area and are delivered to the water inlet water distribution on micro- aerobic reaction top
Device passes through the start and stop of the Liquid level mixed liquor elevator pump of secondary treatment equipment；Internal circulation pump is mixed micro- aerobic reactor zone
It closes liquid and is delivered to anaerobic reaction area, realize the circulation of mixed liquor.
4. A-ACMBR technique according to claim 3 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
In: the hollow fiber film assembly rear end is provided with production water pump, produces water pump for clear water and extracts aerobic reactor zone out, produces water pump and passes through
PLC automatic control cabinet realizes that interval produces water.
5. A-ACMBR technique according to claim 1 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
Be additionally provided with Aeration fan in: the two-stage treatment equipment body, the Aeration fan by aerated conduit with it is described hollow
Fiber film component and aerator, supply air to hollow fiber film assembly and aerator.
6. A-ACMBR technique according to claim 1 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
In: the dissolved oxygen of the anaerobic reaction area is controlled in 0mg/l；The dissolved oxygen of micro- aerobic reactor zone is controlled in 0-0.5mg/l；
The dissolved oxygen of the aerobic ciculation fluidized reaction zone is controlled in 0.5-1.0mg/l.
7. A-ACMBR technique according to claim 1 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
In: the ratio of height to diameter of the coagulation equipment body is 1:1 ~ 10:1；The ratio of height to diameter of the secondary treatment equipment is 1.5:1 ~ 10:
1。
8. A-ACMBR technique according to claim 1 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
In: the inside circular flow of the secondary treatment equipment main body is 2-20 times for handling sewage quantity.
9. A-ACMBR technique according to claim 1 exempts from the sewage disposal system of additional carbon removal total nitrogen, feature exists
It is 10-60 DEG C in: the reaction temperature of the coagulation equipment body and the secondary treatment equipment main body, pH value is 6.0 ~
8.5。
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| CN201910472574.1A CN110092474A (en) | 2019-05-31 | 2019-05-31 | A-ACMBR technique exempts from the sewage disposal system of additional carbon removal total nitrogen |
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| CN201910472574.1A CN110092474A (en) | 2019-05-31 | 2019-05-31 | A-ACMBR technique exempts from the sewage disposal system of additional carbon removal total nitrogen |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204211537U (en) * | 2014-10-29 | 2015-03-18 | 四川永沁环境工程有限公司 | The double oxygen MBR membrane bioreactor of integration |
| CN106554075A (en) * | 2015-09-24 | 2017-04-05 | 北京联合创业环保工程股份有限公司 | Micro- aerobic recirculating fluidized bed membrane bioreactor and system |
-
2019
- 2019-05-31 CN CN201910472574.1A patent/CN110092474A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204211537U (en) * | 2014-10-29 | 2015-03-18 | 四川永沁环境工程有限公司 | The double oxygen MBR membrane bioreactor of integration |
| CN106554075A (en) * | 2015-09-24 | 2017-04-05 | 北京联合创业环保工程股份有限公司 | Micro- aerobic recirculating fluidized bed membrane bioreactor and system |
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