CN109665630A - A kind of water body denitrification device and its denitrogenation method - Google Patents
A kind of water body denitrification device and its denitrogenation method Download PDFInfo
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- CN109665630A CN109665630A CN201910114693.XA CN201910114693A CN109665630A CN 109665630 A CN109665630 A CN 109665630A CN 201910114693 A CN201910114693 A CN 201910114693A CN 109665630 A CN109665630 A CN 109665630A
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
Abstract
The invention discloses a kind of water body denitrification device and its denitrogenation methods.For water body denitrification, bioanalysis, physico-chemical process and chemical method are used both at home and abroad, although there is treatment effect, there are certain limitations.A kind of water body denitrification device of the present invention, including n block microorganism accommodates plate and n+1 semi-permeable membranes.n≥3.N block microorganism accommodates plate, n+1 a semi-permeable membrane are sequentially arranged at intervals setting, and are fixed together.Multiple storage bacterium holes are offered in microorganism accommodates plate.The present invention can separately be disposed aerobic bacteria and anaerobic bacteria by semi-permeable membrane, and the dissolved oxygen amount for reaching the waste water processed at anaerobic bacteria is reduced by aerobic bacteria.Enable and carry out denitrification reaction in aerobic bacteria and the same runner of anaerobic bacteria, and aerobic bacteria and anaerobic bacteria are in the environment of suitable own growth.The problem of being divided to two reaction tank storages is needed so as to avoid aerobic bacteria, anaerobic bacteria in nitrogen rejection facility.
Description
Technical field
The invention belongs to water pollution Treatment process fields, and in particular to a kind of water body denitrification device and its denitrogenation method.
Background technique
Water resources problems are the whole world one of focal issues of greatest concern.China be put into 21 poor-waters in the world and
In the national ranks of most water shortage.Although the gross amount of water resources in China is 2.81 × 1012T occupies the 6th, the world, accounts for total Water
6%, and the 121st, the world occupancy volume per person Que Ju, about world occupancy volume per person 25%.It is special with the growth of China's economy
It is not industrialization and urbanization progress faster, water consumption is also with being continuously increased, and water resource is insufficient, with water shortage problem,
Necessarily become the main resistance and obstacle for restricting socio-economic development.
From the 1960s, Water Eutrophication problem causes influence very outstanding in the world.20
After the eighties in century, the nitrogen and phosphorus pollution in water body is got worse, especially from cultivation, coking, chemical fertilizer, chemical metallurgy,
The high-concentration ammonia nitrogenous wastewater of the industries such as food, petrochemical industry and landfill leachate, because its discharge amount is big, strong toxicity, ingredient is multiple
It is miscellaneous, it is big to environmental hazard, processing difficulty again it is very big the features such as so that ammonia nitrogen waste water pollution and its administer generally by the whole world
The great attention of environmental protection industry (epi).
Although the pollution and its improvement of ammonia nitrogen waste water have been to be concerned by more and more people, limited by some industries,
Due to some enterprises being simply equipped in terms of sewage treatment, lack improvement condition, or lack qualified discharge consciousness etc., so
The phenomenon that causing discharge still not up to standard, arranging, omit in printing steathily, is continuous, and then exacerbates the pollution of ammonia nitrogen.In some underdeveloped cities
City, sewage treatment plant is not up to standard to the processing of some sewage also due to factors such as equipment backwardness or the dynamics of supervision are not stringent,
Also result in the phenomenon of ammonia and nitrogen pollution regulation effect difference.By taking the Bohai Sea as an example, statistics shows surrounding area every year to Bohai Offshore
The various waste water being discharged into are up to 28 × 108T, nineteen ninety-five pollute exceeded area just up to 4.3 × 108km2, account for the 56% of its gross area；
The sea area organic nitrogen exceeding standard rate in 1997 is up to 66%, and Phos exceeding standard rate is 68%, and oils exceeding standard rate up to 63%, lead by above-mentioned pollution
Cause the eutrophic extent in the Bohai Sea serious, red tide event takes place frequently, and thousands of square kilometres are affected, and economic loss is huge.
Currently, using bioanalysis, physico-chemical process and chemical method both at home and abroad, although there is treatment effect, exist centainly
Limitation, the consuming such as equipment is big, and the material resources of consumption are more or cause other the problems such as polluting.Therefore, a kind of economy is developed
High efficiency, the good equipment of nitrogen removal performance are just particularly important.
Summary of the invention
The purpose of the present invention is to provide a kind of water body denitrification device and its denitrogenation methods.
A kind of water body denitrification device of the present invention, including n block microorganism accommodates plate and n+1 semi-permeable membranes.n≥3.The micro- life of n block
Object accommodates plate, n+1 a semi-permeable membrane are sequentially arranged at intervals setting, and are fixed together.It is offered in microorganism accommodates plate multiple
Store up bacterium hole.
Further, the aperture of the semi-permeable membrane is 0.22 μm.The aperture for storing up bacterium hole is 1mm.
Further, the material of the microorganism accommodates plate uses polyvinyl chloride.
Further, n block microorganism accommodates plate is fixed by bolt and nut.
Further, storage bacterium hole all in the microorganism accommodates plate is covered by adjacent semi-permeable membrane.
Further, n=3.It is anaerobism plate that block microorganism accommodates plate is located in the middle in n block microorganism accommodates plate.Separately
Two pieces of microorganism accommodates plates are aerobic plate.Anaerobic denitrifying bacteria or facultative denitrifying bacterium are provided in the storage bacterium hole of anaerobism plate；
Aerobic nitrification bacterium is provided in the storage bacterium hole of aerobic plate.
Further, n=5.It is anaerobism plate that block microorganism accommodates plate is located in the middle in n block microorganism accommodates plate.With
Two pieces of adjacent microorganism accommodates plates of anaerobism plate are facultative plate.Remaining two pieces of microorganism accommodates plate is aerobic plate.The storage of anaerobism plate
Bacterium is provided with anaerobic denitrifying bacteria in hole.Facultative denitrifying bacterium is provided in the storage bacterium hole of facultative plate；The storage bacterium hole of aerobic plate
Inside it is provided with aerobic nitrification bacterium.
In the case where n=3, the denitrogenation method of the water body denitrification device is as follows:
All microorganism accommodates plates are put into the runner of waste water processed, waste water processed enters the storage bacterium hole of aerobic plate
In, aerobic nitrification bacterium carries out nitration reaction to waste water processed, is nitrate nitrogen by the ammonia nitrogen degradation in waste water processed.It is processed useless
After aerobic plate, dissolved oxygen amount reduces water, and enters in the storage bacterium hole of anaerobism plate, and facultative denitrifying bacterium and anaerobic denitrifying bacterium are logical
It crosses biodegrade and the nitrate nitrogen in waste water processed is converted to nitrogen.
In the case where n=5, the denitrogenation method of the water body denitrification device is as follows:
All microorganism accommodates plates are put into the runner of waste water processed, waste water processed enters the storage bacterium hole of aerobic plate
In, aerobic nitrification bacterium carries out nitration reaction to waste water processed, is nitrate nitrogen by the ammonia nitrogen degradation in waste water processed.It is processed useless
After aerobic plate, dissolved oxygen amount reduces water, and enters in the storage bacterium hole of facultative plate, and facultative denitrifying bacterium will be by by biodegrade
Part nitrate nitrogen in processing waste water is converted to nitrogen.After facultative plate, dissolved oxygen amount further decreases waste water processed, and enters
In the storage bacterium hole of anaerobism plate, the nitrate nitrogen in waste water processed is further converted to nitrogen by anaerobic denitrifying bacterium.
The invention has the advantages that:
1, the present invention can separately be disposed aerobic bacteria and anaerobic bacteria by semi-permeable membrane, and be reduced by aerobic bacteria
Reach the dissolved oxygen amount of the waste water processed at anaerobic bacteria.Enable aerobic bacteria and progress denitrogenation in the same runner of anaerobic bacteria anti-
It answers, and aerobic bacteria and anaerobic bacteria is in the environment of suitable own growth.So as to avoid aerobic bacteria in nitrogen rejection facility,
Anaerobic bacteria needs the problem of being divided to two reaction tank storages.
2, the semi-permeable membrane in the present invention can be avoided denitrification microorganism and generate loss with the flowing of waste water processed.Cause
This, the present invention is lower relative to cost of the conventional nitrogen rejection facility in terms of microorganism injected volume, and starts speed faster.
3, nitrobacteria of the invention provides the matrix of growth for denitrifying bacteria, and then reduces the land occupation face of equipment
Product.
4, the present invention makes full use of the denitrification of functional microorganism, the nutrition that the ammonia nitrogen in water is grown as microorganism
The content of nitrogen in water can be greatly reduced by carrying out denitrogenation stage by stage to water body in substance；
5, present device is easy to operate, is not necessarily to personal management and is easy maintenance, is to handle efficiently setting for high ammonia-nitrogen wastewater
It is one of standby, it has broad application prospects.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
Embodiment 1:
As shown in Figure 1, a kind of water body denitrification device, including n block microorganism accommodates plate 1 and n+1 semi-permeable membranes 2.Microorganism
The material of accommodates plate 1 uses polyvinyl chloride.N=3.N block microorganism accommodates plate 1, n+1 a semi-permeable membrane 2 are sequentially arranged at intervals setting
(being provided with one piece of microorganism accommodates plate 1 between i.e. any two adjacent semi-permeable membranes 2).The aperture of semi-permeable membrane 2 is 0.22 μm.
Multiple storage bacterium holes 3 are offered in microorganism accommodates plate 1.Storage bacterium hole 3 is through-hole, aperture 1mm.Institute in microorganism accommodates plate 1
The both ends in some storages bacterium hole 3 are completely covered by adjacent semi-permeable membrane 2.The edge of all microorganism accommodates plates 1 offers more
A fixed hole 4.Each fixed hole 4 in n block microorganism accommodates plate 1 is aligned respectively, and fixed by bolt and nut 5.
It is anaerobism plate that block microorganism accommodates plate 1 is located in the middle in n block microorganism accommodates plate 1.Another two pieces of microorganisms are held
Plate 1 of receiving is aerobic plate.Anaerobic denitrifying bacteria and facultative denitrifying bacterium are provided in the storage bacterium hole 3 of anaerobism plate；The storage of aerobic plate
Aerobic nitrification bacterium is provided in bacterium hole 3.
Due to waste water processed can through hole diameter be equal to 0.22 μm of semi-permeable membrane 2, therefore high ammonia-nitrogen wastewater is able to enter respectively
In the storage bacterium hole 3 of microorganism accommodates plate 1, receive the biodegradation of anaerobic denitrifying bacteria and aerobic nitrifier, and then drop
The nitrogen content of low high ammonia-nitrogen wastewater.
Simultaneously as n block microorganism accommodates plate 1 and n+1 semi-permeable membranes 2 are fixed together by bolt and nut.
Therefore the storage bacterium hole 3 that the storage bacterium hole 3 in anaerobism plate has to pass through aerobic plate could be connect with the external world.And waste water processed enter it is aerobic
When the storage bacterium hole 3 of plate, most of oxygen that aerobic nitrification bacterium will consume in waste water processed.Therefore enter the storage bacterium hole in anaerobism plate
The oxygen concentration of 3 waste water processed is lower, meets the growth demand of anaerobic denitrifying bacteria.As it can be seen that the present invention is in same appearance
It is intracavitary to be simutaneously arranged aerobic bacteria and anaerobic bacteria, and the two is in the environment of suitable own growth.It is compared to needs
Water treating pond is respectively set in aerobic bacteria, anaerobic bacteria, and needs that dissolved oxygen regulating device is arranged between two water treating ponds
The prior art, cost of the present invention is lower, and required the space occupied is smaller.
Since nitrobacteria and aerobic denitrifying bacteria can not pass through semi-permeable membrane 2.Therefore respectively store up the equal nothing of bacterium in bacterium hole 3
Method leaves corresponding storage bacterium hole 3, and then can be avoided bacterium and be lost with the flowing of waste water processed.Therefore, the present invention is opposite
It is lower in cost of the conventional wastewater treatment equipment in terms of microorganism injected volume, and start speed faster.
The denitrogenation method of the water body denitrification device is as follows:
The n block microorganism accommodates plate 1 and n+1 that are assembled together semi-permeable membrane 2 are put into the runner (river of waste water processed
Or discharge outlet) in, waste water processed enters in the storage bacterium hole 3 of aerobic plate, and aerobic nitrification bacterium nitrify to waste water processed anti-
It answers, and then is nitrate nitrogen by the ammonia nitrogen degradation in waste water processed.After aerobic plate, dissolved oxygen amount reduces waste water processed, goes forward side by side
Enter in the storage bacterium hole 3 of anaerobism plate, facultative denitrifying bacterium and anaerobic denitrifying bacterium pass through biodegrade for the nitre in waste water processed
Nitrogen is converted to nitrogen.
Embodiment 2:
As shown in Fig. 2, a kind of water body denitrification device, including n block microorganism accommodates plate 1 and n+1 semi-permeable membranes 2.Microorganism
The material of accommodates plate 1 uses polyvinyl chloride.N=5.N block microorganism accommodates plate 1, n+1 a semi-permeable membrane 2 are sequentially arranged at intervals setting
(being provided with one piece of microorganism accommodates plate 1 between i.e. any two adjacent semi-permeable membranes 2).The aperture of semi-permeable membrane 2 is 0.22 μm.
Multiple storage bacterium holes 3 are offered in microorganism accommodates plate 1.Storage bacterium hole 3 is through-hole, aperture 1mm.Institute in microorganism accommodates plate 1
The both ends in some storages bacterium hole 3 are completely covered by adjacent semi-permeable membrane 2.The edge of all microorganism accommodates plates 1 offers more
A fixed hole 4.Each fixed hole 4 in n block microorganism accommodates plate 1 is aligned respectively, and is fixed by bolt and nut.
It is anaerobism plate that block microorganism accommodates plate 1 is located in the middle in n block microorganism accommodates plate 1.It is adjacent with anaerobism plate
Two pieces of microorganism accommodates plates 1 are facultative plate.Remaining two pieces of microorganism accommodates plate 1 is aerobic plate.Setting in the storage bacterium hole 3 of anaerobism plate
There is anaerobic denitrifying bacteria.Facultative denitrifying bacterium is provided in the storage bacterium hole 3 of facultative plate；It is provided in the storage bacterium hole 3 of aerobic plate
Aerobic nitrification bacterium.
The denitrogenation method of the water body denitrification device is as follows:
The n block microorganism accommodates plate 1 and n+1 that are assembled together semi-permeable membrane 2 are put into the runner (river of waste water processed
Or discharge outlet) in, waste water processed enters in the storage bacterium hole 3 of aerobic plate, and aerobic nitrification bacterium nitrify to waste water processed anti-
It answers, and then is nitrate nitrogen by the ammonia nitrogen degradation in waste water processed.After aerobic plate, dissolved oxygen amount reduces waste water processed, goes forward side by side
Enter in the storage bacterium hole 3 of facultative plate, the nitrate nitrogen in waste water processed is converted to nitrogen by biodegrade by facultative denitrifying bacterium.Quilt
Waste water is handled after facultative plate, dissolved oxygen amount further decreases, and enters in the storage bacterium hole 3 of anaerobism plate, and anaerobic denitrifying bacterium is logical
It crosses biodegrade and the nitrate nitrogen in waste water processed is further converted to nitrogen.
Claims (9)
1. a kind of water body denitrification device, it is characterised in that: including n block microorganism accommodates plate and n+1 semi-permeable membranes, n >=3；N block is micro-
Biological containment plate, n+1 a semi-permeable membrane are sequentially arranged at intervals setting, and are fixed together；It is offered in microorganism accommodates plate more
A storage bacterium hole.
2. a kind of water body denitrification device according to claim 1, it is characterised in that: the aperture of the semi-permeable membrane is 0.22 μ
m；The aperture for storing up bacterium hole is 1mm.
3. a kind of water body denitrification device according to claim 1, it is characterised in that: the material of the microorganism accommodates plate is adopted
Use polyvinyl chloride.
4. a kind of water body denitrification device according to claim 1, it is characterised in that: n block microorganism accommodates plate passes through bolt
Nut is fixed.
5. a kind of water body denitrification device according to claim 1, it is characterised in that: own in the microorganism accommodates plate
Storage bacterium hole covered by adjacent semi-permeable membrane.
6. a kind of water body denitrification device according to claim 1, it is characterised in that: n=3；Position in n block microorganism accommodates plate
That block microorganism accommodates plate in centre is anaerobism plate；Another two pieces of microorganism accommodates plates are aerobic plate；In the storage bacterium hole of anaerobism plate
It is provided with anaerobic denitrifying bacteria or facultative denitrifying bacterium；Aerobic nitrification bacterium is provided in the storage bacterium hole of aerobic plate.
7. a kind of water body denitrification device according to claim 1, it is characterised in that: n=5；Position in n block microorganism accommodates plate
That block microorganism accommodates plate in centre is anaerobism plate；The two piece microorganism accommodates plates adjacent with anaerobism plate are facultative plate；Remaining
Two pieces of microorganism accommodates plates are aerobic plate；Anaerobic denitrifying bacteria is provided in the storage bacterium hole of anaerobism plate；The storage bacterium hole of facultative plate
Inside it is provided with facultative denitrifying bacterium；Aerobic nitrification bacterium is provided in the storage bacterium hole of aerobic plate.
8. a kind of denitrogenation method of water body denitrification device as claimed in claim 6, it is characterised in that: accommodate all microorganisms
Plate is put into the runner of waste water processed, and waste water processed enters in the storage bacterium hole of aerobic plate, and aerobic nitrification bacterium is to processed useless
Water carries out nitration reaction, is nitrate nitrogen by the ammonia nitrogen degradation in waste water processed；Waste water processed is after aerobic plate, dissolved oxygen amount drop
It is low, and enter in the storage bacterium hole of anaerobism plate, facultative denitrifying bacterium and anaerobic denitrifying bacterium pass through biodegrade for waste water processed
In nitrate nitrogen be converted to nitrogen.
9. a kind of denitrogenation method of water body denitrification device as claimed in claim 7, it is characterised in that: accommodate all microorganisms
Plate is put into the runner of waste water processed, and waste water processed enters in the storage bacterium hole of aerobic plate, and aerobic nitrification bacterium is to processed useless
Water carries out nitration reaction, is nitrate nitrogen by the ammonia nitrogen degradation in waste water processed；Waste water processed is after aerobic plate, dissolved oxygen amount drop
It is low, and enter in the storage bacterium hole of facultative plate, facultative denitrifying bacterium is turned the part nitrate nitrogen in waste water processed by biodegrade
It is melted into nitrogen；After facultative plate, dissolved oxygen amount further decreases waste water processed, and enters in the storage bacterium hole of anaerobism plate, anaerobism
Nitrate nitrogen in waste water processed is further converted to nitrogen by denitrifying bacterium.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910114693.XA CN109665630B (en) | 2019-02-14 | 2019-02-14 | Water body denitrification device and denitrification method thereof |
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| CN201910114693.XA CN109665630B (en) | 2019-02-14 | 2019-02-14 | Water body denitrification device and denitrification method thereof |
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| CN109665630B CN109665630B (en) | 2023-10-20 |
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| JPH1085787A (en) * | 1996-09-10 | 1998-04-07 | Suido Kiko Kaisha Ltd | Method and apparatus for nitrification-denitrification treatment. |
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| JP3875258B1 (en) * | 2005-07-15 | 2007-01-31 | 株式会社有機醗酵 | Oily sewage treatment floating body and oily sewage treatment method |
| WO2007114897A2 (en) * | 2006-04-04 | 2007-10-11 | Northeastern University | Devices and methods for the isolation and cultivation of microorganisms |
| CN205740680U (en) * | 2016-06-21 | 2016-11-30 | 浙江桃花源环保科技有限公司 | A kind of pretreatment unit of black-odor riverway sewage |
| CN207143235U (en) * | 2017-06-21 | 2018-03-27 | 中国科学院遗传与发育生物学研究所 | A kind of microorganism pure culture device |
| CN108083436A (en) * | 2017-12-19 | 2018-05-29 | 武汉新源水务环境工程有限公司 | A kind of floating type double bed microporous barrier water body restoration device |
| CN209974422U (en) * | 2019-02-14 | 2020-01-21 | 浙江泽林瑞沃环境科技有限公司 | Water denitrification device |
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2019
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19543694A1 (en) * | 1995-11-23 | 1997-05-28 | Cognis Soil Cure Gmbh | Microbiological treatment of effluent waters |
| JPH1085787A (en) * | 1996-09-10 | 1998-04-07 | Suido Kiko Kaisha Ltd | Method and apparatus for nitrification-denitrification treatment. |
| CN1537815A (en) * | 2003-10-22 | 2004-10-20 | 磊 马 | Composite bacterial enzyme stepped sewage purification device |
| JP3875258B1 (en) * | 2005-07-15 | 2007-01-31 | 株式会社有機醗酵 | Oily sewage treatment floating body and oily sewage treatment method |
| WO2007114897A2 (en) * | 2006-04-04 | 2007-10-11 | Northeastern University | Devices and methods for the isolation and cultivation of microorganisms |
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