CN107265641A - A kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water and its application method - Google Patents
A kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water and its application method Download PDFInfo
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- CN107265641A CN107265641A CN201710542184.8A CN201710542184A CN107265641A CN 107265641 A CN107265641 A CN 107265641A CN 201710542184 A CN201710542184 A CN 201710542184A CN 107265641 A CN107265641 A CN 107265641A
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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
- C02F3/303—Nitrification and denitrification treatment characterised by the nitrification
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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
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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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Abstract
A kind of biological treatment device of high-enriched organics, ammonia nitrogen waste water, it is characterised in that：Including reaction vessel, reaction vessel interior is separated into the short distance nitration room arranged positioned at middle efficient anaerobic room, around efficient anaerobic room and the Anammox room arranged around short distance nitration room by dividing plate, efficient anaerobic room is disposed with the first water distribution area, the first reaction zone, three-phase separation area, the first exhalant region from bottom to top, and the first reaction zone is provided with anaerobic grain sludge；Short distance nitration room is disposed with the second inhalant region, second reaction zone, the second exhalant region from top to bottom, and second reaction zone is provided with biologic packing material, and the second exhalant region is provided with aerator, and the second inhalant region is connected with the first exhalant region；Anammox room is disposed with the 3rd inhalant region, the 3rd reaction zone, the reaction zone of the 3rd exhalant region the 3rd and is disposed with anaerobic ammonium oxidation granular sludge and Anammox biologic packing material from bottom to top from bottom to top, and the 3rd gathering ground is connected with the second exhalant region.
Description
Technical field
The present invention relates to sewage treatment area, and in particular to a kind of high-enriched organics, the biological treatment dress of ammonia nitrogen waste water
Put and its application method.
Background technology
With the rapid development of economy, wastewater discharge is continuously increased, many industrial wastewaters, agricultural effluent and sanitary sewage
In contain nitrogen-containing pollutant, nitrate pollution seriously threatened the living environment and physical and mental health of the mankind, and nitrate pollution is controlled
Reason is extremely urgent.
In order to solve the problems, such as water body nitrate pollution, substantial amounts of denitrogenation of waste water research has been carried out both at home and abroad, has been developed various useless
Denitrogenation of water technology, mainly includes physico-chemical process and bioanalysis, wherein conventional physico-chemical process mainly have blow-off method, the precipitation method, absorption method,
Break point chlorination etc., but the shortcomings of these methods have high energy consumption, secondary pollution is serious, it is difficult to large-scale promotion application, with
Physico-chemical process is compared, bioanalysis denitrogenation more economical and effective, and is widely used.
Traditional bio-denitrification technology is the wherein nitre using nitrification and denitrification as the bio-denitrification technology of core
Change effect is under aerobic condition, using ammonia oxidizing bacteria by ammoxidation into nitrite, and then to be incited somebody to action by NOB
Bioprocesses of the nitrite-oxidizing into nitrate；Denitrification is under anaerobic condition, by denitrifying bacteria by nitre
Hydrochlorate or nitrite are reduced to the bioprocesses of nitrogen through multistep reaction, and traditional bio-denitrification technology is applied to processing
Low Concentration Ammonia Containing Wastewater, when handling high-concentration ammonia nitrogenous wastewater, pond, which holds, very greatly, and need to consume the substantial amounts of energy and operation
Cost.
The content of the invention
The purpose of the present invention be overcome the shortcoming of prior art there is provided one kind can reduce floor space, reduction operating cost,
High-enriched organics, the biological treatment device of ammonia nitrogen waste water of energy consumption are reduced, another object, which is to provide, uses above-mentioned processing unit
Method.
The present invention is adopted the following technical scheme that：
The biological treatment device of a kind of high-enriched organics, ammonia nitrogen waste water, including reaction vessel, reaction vessel interior by every
Plate is separated into the short distance nitration room arranged positioned at middle efficient anaerobic room, around efficient anaerobic room and surround short distance nitration room cloth
The Anammox room put,
Efficient anaerobic room is disposed with the first water distribution area, the first reaction zone, three-phase separation area, the first water outlet from bottom to top
Area, the first reaction zone is provided with anaerobic grain sludge；
Short distance nitration room is disposed with the second inhalant region, second reaction zone, the second exhalant region, the second reaction from top to bottom
Area is provided with biologic packing material, and the second exhalant region is provided with aerator, and the second inhalant region is connected with the first exhalant region；
It is anti-that Anammox room is disposed with the 3rd inhalant region, the 3rd reaction zone, the 3rd exhalant region the 3rd from bottom to top
Area is answered to be disposed with anaerobic ammonium oxidation granular sludge and Anammox biologic packing material, the 3rd gathering ground and second from bottom to top
Exhalant region is connected.
Further, the cross section of the efficient anaerobic room, short distance nitration room and Anammox room is circle.
Further, the radius ratio of the efficient anaerobic room, short distance nitration room and Anammox room is： 1∶1.5-2∶
2-2.5。
Further, the anaerobic grain sludge accounts for the 30% of efficient anaerobic room volume.
Further, the efficient anaerobic room is provided with from the first exhalant region extends to the first water distribution vertically downwards
The water inlet pipe in area, the lower end connection water distributor of water inlet pipe, water distributor carries out water distribution using annular water distributor.
Further, the three-phase separation area is provided with by multiple upper strata gas skirts, the interlaced superposition of lower floor's gas skirt
The gas collection pipeline of the gas skirt, one end and the connection of gas skirt top that rearrange, the other end and gas of gas collection pipeline
Body collection device is connected.
Further, the biologic packing material accounts for the 50% of short distance nitration room volume.
Further, the aerator is annular aeration tube so that the amount of useless oxygen in water is 0.7-1.2 mg/L.
The application method of a kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water, comprises the following steps：
(1), waste water is entered up to the first water distribution area from the external world, anti-by being arranged on first up by the first reaction zone
The anaerobic grain sludge in area is answered, the organic matter in waste water is decomposed into methane gas and improves the biodegradability of waste water, by three
Phase separation region, collects methane gas, obstructs granule sludge, waste water continues upstream from the first exhalant region, into the second inhalant region；
(2), into the waste water of the second inhalant region, flow downward, into second reaction zone, the useless water ph value of control is in 7.3-
8.0, waste water is contacted with the nitrococcus adhered on the biologic packing material for being arranged on second reaction zone, with reference to oxygen by the ammonia in waste water
Nitrite is oxidized to, then toward flowing down, enters the 3rd inhalant region from the second exhalant region；
(3), into the waste water of the 3rd inhalant region, toward upper, by the 3rd reaction zone, by being arranged on the 3rd reaction zone
The anaerobic ammonia oxidizing bacteria adhered on anaerobic ammonium oxidation granular sludge, by the use of the ammonia in waste water as electron donor, nitrite is made
For electron acceptor, the nitrogen in waste water is converted into nitrogen, the denitrification process of waste water is realized；
(4), waste water continues the granule sludge that upstream is passed through in the biologic packing material for being arranged on reaction zone top, absorption waste water,
Waste water continues upper from the 3rd exhalant region discharger.
Further, the volumetric concentration ratio of ammonia nitrogen and nitrite in the waste water flowed out from second reaction zone, water
For 1: 1.27-1.36.
From the above-mentioned description of this invention, compared with prior art, the beneficial effects of the invention are as follows：In single reaction
Realized in container efficient anaerobic remove carbon, short distance nitration, the coupling of Anammox function, can greatly reduce occupation area of equipment,
Cost of investment is reduced, operating cost, reduction energy consumption is reduced, reduces sludge discharge rate；Utilize short distance nitration and Anammox mistake
The denitrification process of Cheng Jinhang high-concentration ammonia nitrogenous wastewaters, can overcome traditional nitrification-denitrification denitrification process to need organic matter conduct
Carbon source, reduces energy resource consumption, so as to reduce operating cost；Efficient anaerobic removes the biogas recoverable that carbon process is produced, and reduces
The waste of the energy；The organic matter in waste water is greatly reduced by efficient anaerobic room and short distance nitration room member, so as to overcome
Inhibitory action of the machine thing to anaerobic ammonium oxidation process；Anaerobic ammonium oxidation granular sludge is set in the 3rd reaction zone bottom, top is set
Anammox biologic packing material is put, the anaerobic ammonium oxidation granular sludge of bottom is arranged on, is supplied by the use of the ammonia in waste water as electronics
Nitrogen in waste water is converted into nitrogen by body, nitrite as electron acceptor, realizes the denitrification process of waste water；It is arranged on top
Anammox biologic packing material can effectively adsorb less anaerobic ammonium oxidation granular sludge, strengthen the microorganism of the 3rd reaction zone
Retention.
Brief description of the drawings
Fig. 1 is concrete structure schematic diagram of the invention.
Embodiment
Below by way of embodiment, the invention will be further described.
Shown in reference picture 1, a kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water, including reaction vessel, reaction
The and of short distance nitration room 2 arranged positioned at middle efficient anaerobic room 1, around efficient anaerobic room 1 is separated into by dividing plate inside container
The Anammox room 3 arranged around short distance nitration room 2, specifically, efficient anaerobic room 1, short distance nitration room 2 and Anammox
The cross section of room 3 is circle, and efficient anaerobic room 1, the bottom surface radius ratio of short distance nitration room 2 and Anammox room 3 are 1:
1.5-2: 2-2.5, specifically, the bottom surface radius ratio of efficient anaerobic room 1, short distance nitration room 2 and Anammox room 3 is 1: 1.75
∶2.25；
Efficient anaerobic room 1 be disposed with from bottom to top the first water distribution area 11, the first reaction zone 12, three-phase separation area 13,
First exhalant region 14, is additionally provided with water inlet pipe 4 and annular water distributor 5, specifically, water inlet pipe 4 is from the top edge of the first exhalant region 14
Vertical direction extends downward into the first water distribution area 11；Annular water distributor 5 is arranged on the first water distribution area 11, is connected with water inlet pipe 4, ring
Shape water distributor 5 is horizontally set in the first water distribution area 11, and multiple perforation 51 are arranged at intervals with pipe；First water distribution area 11 is set
Bottom in efficient anaerobic room 1, the bottom of the first water distribution area 1 is provided with the evacuated tube 111 of discharge sludge；First reaction zone 12 is set
In the top of the first water distribution area 11, anaerobic grain sludge is provided with, anaerobic grain sludge accounts for the 30% of the volume of efficient anaerobic room 1,
Organic matter in waste water can be converted into methane gas, and improve the biodegradability of waste water；Three-phase separation area 13 is arranged on first
The top of reaction zone 12, carries out the three phase separation of gas, liquid, solid, three-phase separation area 13 is provided with multiple pneumatic troughs 131, pneumatic trough
131 include upper pneumatic trough and lower pneumatic trough, upper pneumatic trough and lower pneumatic trough is interlaced is arranged in three-phase separation area 13, collection
The top of air drain 131 is connected with the one end of gas collection pipe 7, and the other end of gas collection pipe 7 and the collection device being arranged on outside device connect
Connect, for collecting methane gas；First exhalant region 14 is arranged on the top of three-phase separation area 13, is built-in with the first water leg 141,
The waste water entered from three-phase separation area 13, collects in the first water leg 141；
Short distance nitration room 2 is disposed with the second inhalant region 21, second reaction zone 22, the second exhalant region 23 from top to bottom,
Specifically, the second inhalant region 21 is arranged on the upper end of short distance nitration room 2, the first water leg 141 and the second inhalant region 21 pass through
One annular apopore connection, the waste water collected in the first water leg 141 flows into the second inhalant region by first annular apopore
21；Second reaction zone 22 is arranged on the lower section of the second inhalant region 21, and second reaction zone 22 is provided with biologic packing material, biologic packing material
Account on the 50% of short distance nitration room 2, biologic packing material and be attached with nitrococcus；Second exhalant region 23 is arranged on second reaction zone 22
Lower section, the second exhalant region 23 is provided with aerator, increases the content of oxygen in water, and aerator is an annular aeration tube
6, control dissolved oxygen concentration to be 0.7-1.2mg/L by aeration tube 6, specifically, by adding sulfuric acid or hydrochloric acid, control second is anti-
Answer the waste water pH value in area 22 in 7.3-8.0, the oxygen produced by the nitrococcus and aeration tube that are attached on biologic packing material will
Ammoxidation in waste water is nitrite, and further removes the organic matter in waste water, further, from second reaction zone 22
The volumetric concentration ratio of ammonia nitrogen and nitrite in the waste water of outflow, water is 1: 1.27-1.36；
Anammox room 3 includes from bottom to top：3rd inhalant region 31, the 3rd reaction zone 32, the 3rd exhalant region 33, specifically
, the 3rd inhalant region 31 is arranged on the lower end of Anammox room 3, passes through between the second exhalant region 23 and the 3rd inhalant region 31
Second annular apopore connection, makes waste water enter the 3rd inhalant region 31 from the second exhalant region 23；3rd reaction zone 32 is arranged on
The top of three inhalant regions 31, accounts for the 50% of the volume of Anammox room 3, and the 3rd reaction zone 32 is disposed with from bottom to top to be detested
Anaerobic ammonium oxidation granule sludge 321 and Anammox biologic packing material 322, further, anaerobic ammonium oxidation granular sludge 321 account for
The 70% of three reaction zones 32, and be attached with anaerobic ammonia oxidizing bacteria on anaerobic ammonium oxidation granular sludge 321 and pass through Anammox
The anaerobic ammonia oxidizing bacteria that adheres on grain sludge 321, by the use of the ammonia in waste water as electron donor, nitrite as electronics by
Body, nitrogen is converted into by the nitrogen in waste water；Anammox biologic packing material 322 accounts for the 30% of the 3rd reaction zone 32, anaerobism ammonia oxygen
Less granule sludge, the microorganism retention of reinforcing reaction zone can effectively be adsorbed by changing biologic packing material 322；3rd exhalant region 33 is set
In the top of the 3rd reaction zone 32, the second water leg 331 is built-in with, waste water enters the 3rd exhalant region 33 from the 3rd reaction zone 32,
The second water leg 331 is imported, passes through the discharger of the second water leg 331.
The processing method of this biological treatment device, comprises the following steps：
(1), waste water is entered up to the first water distribution area 11 from the external world, up by the first reaction zone 12, by being arranged on
The anaerobic grain sludge of one reaction zone 12, is decomposed into methane gas by the organic matter in waste water and improves the biodegradability of waste water,
By three-phase separation area 13, methane gas is collected, granule sludge is obstructed, waste water continues upper from the first exhalant region 14, into the
Two inhalant regions 21；
(2), into the waste water of the second inhalant region 21, flow downward, into second reaction zone 22, control waste water pH value exists
7.3-8.0, waste water is contacted with being arranged on the nitrococcus adhered on the biologic packing material of second reaction zone 22, with reference to oxygen by waste water
In ammoxidation be nitrite, then toward flow down, from the second exhalant region 23 enter the 3rd inhalant region 31；
(3), into the waste water of the 3rd inhalant region 31, toward upper, by the 3rd reaction zone 32, by being arranged on the 3rd reaction
The anaerobic ammonia oxidizing bacteria adhered on the anaerobic ammonium oxidation granular sludge 321 in area 32, it is sub- by the use of the ammonia in waste water as electron donor
Nitrogen in waste water is converted into nitrogen by nitrate as electron acceptor, realizes the denitrification process of waste water；
(4), waste water continues the particle that upstream is passed through in the biologic packing material for being arranged on the top of the 3rd reaction zone 32, absorption waste water
Sludge, waste water continues upper from the discharger of the 3rd exhalant region 33.
Short distance nitration room 2, it is main to occur following react：
Anammox room, it is main to occur following react：
The water quality situation before and after certain nitrogenous effluent treatment is shown in Table 1 using the present invention.
The high-enriched organics of table 1, the water quality situation of ammonia nitrogen waste water before and after the processing
By upper table, by being improved to device, and the amount of useless oxygen in water is effectively controlled in 0.7-
1.2mg/L, the waste water pH value of second reaction zone 22 account for the 50% of second reaction zone 22 in 7.3-8.0, biologic packing material, make from
The volumetric concentration ratio of ammonia nitrogen and nitrite in the waste water of two reaction zones 22 outflow, water is 1: 1.27-1.36 so that waste water exists
When finally discharging, the content of ammonia nitrogen is 4.7-8.6mg/L in waste water, compared with desired discharge capacity 15mg/L, has and significantly subtracts
It is few, the pollution to environment is reduced to a certain extent, with significant progressive.
The foregoing is only a preferred embodiment of the present invention, therefore the scope that the present invention is implemented can not be limited with this, i.e.,
The equivalent changes and modifications made according to scope of the present invention patent and description, all should still belong to what patent of the present invention covered
In the range of.
Claims (10)
1. the biological treatment device of a kind of high-enriched organics, ammonia nitrogen waste water, it is characterised in that：Including reaction vessel, reaction is held
The short distance nitration room arranged positioned at middle efficient anaerobic room, around efficient anaerobic room is separated into by dividing plate inside device and surround short
The Anammox room of journey nitrification room arrangement,
Efficient anaerobic room is disposed with the first water distribution area, the first reaction zone, three-phase separation area, the first exhalant region from bottom to top,
First reaction zone is provided with anaerobic grain sludge；
Short distance nitration room is disposed with the second inhalant region, second reaction zone, the second exhalant region from top to bottom, and second reaction zone is set
Biologic packing material is equipped with, the second exhalant region is provided with aerator, and the second inhalant region is connected with the first exhalant region；
Anammox room is disposed with the 3rd inhalant region, the 3rd reaction zone, the reaction zone of the 3rd exhalant region the 3rd from bottom to top
Anaerobic ammonium oxidation granular sludge and Anammox biologic packing material, the 3rd gathering ground and the second water outlet are disposed with from bottom to top
Area is connected.
2. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that：
The cross section of the efficient anaerobic room, short distance nitration room and Anammox room is circle.
3. a kind of high-enriched organics according to claim 2, the biological treatment device of ammonia nitrogen waste water, it is characterised in that：
The radius ratio of the efficient anaerobic room, short distance nitration room and Anammox room is：1:1.5-2:2-2.5.
4. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that：
The anaerobic grain sludge accounts for the 30% of efficient anaerobic room volume.
5. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that：
The efficient anaerobic room is provided with the water inlet pipe for extending to the first water distribution area vertically downwards from the first exhalant region, water inlet pipe
Lower end connection water distributor, the water distributor carries out water distribution using annular water distributor.
6. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that：
The three-phase separation area be provided with by multiple upper strata gas skirts, lower floor's gas skirt it is interlaced be arranged under the overlay the gas skirt constituted,
The gas collection pipeline that one end is connected with gas skirt top, the other end of gas collection pipeline is connected with gas collector.
7. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that：
The biologic packing material accounts for the 50% of short distance nitration room volume.
8. a kind of high-enriched organics according to claim 1, the biological treatment device of ammonia nitrogen waste water, it is characterised in that：
The aerator is annular aeration tube so that the amount of useless oxygen in water is 0.7-1.2mg/L.
9. a kind of application method of the biological treatment device of high-enriched organics, ammonia nitrogen waste water, it is characterised in that：Including following step
Suddenly：
(1), waste water is entered up to the first water distribution area, up by the first reaction zone, by being arranged on the first reaction zone from the external world
Anaerobic grain sludge, the organic matter in waste water is decomposed into methane gas and improves the biodegradability of waste water, by three-phase separate
From area, methane gas is collected, granule sludge is obstructed, waste water continues upstream from the first exhalant region, into the second inhalant region；
(2), into the waste water of the second inhalant region, flow downward, into second reaction zone, control waste water pH value gives up in 7.3-8.0
Water is contacted with the nitrococcus adhered on the biologic packing material for being arranged on second reaction zone, is by the ammoxidation in waste water with reference to oxygen
Nitrite, then toward flowing down, enters the 3rd inhalant region from the second exhalant region；
(3), into the waste water of the 3rd inhalant region, toward upper, by the 3rd reaction zone, by the anaerobism for being arranged on the 3rd reaction zone
The anaerobic ammonia oxidizing bacteria adhered on ammonium oxidation granular sludge, by the use of the ammonia in waste water as electron donor, nitrite is used as electricity
Sub- acceptor, nitrogen is converted into by the nitrogen in waste water, realizes the denitrification process of waste water；
(4), waste water continues the granule sludge that upstream is passed through in the biologic packing material for being arranged on reaction zone top, absorption waste water, waste water
Continue upper from the 3rd exhalant region discharger.
10. a kind of high-enriched organics according to claim 9, the application method of the biological treatment device of ammonia nitrogen waste water,
It is characterized in that：The volumetric concentration ratio of ammonia nitrogen and nitrite in the waste water flowed out from second reaction zone, water is 1:
1.27-1.36。
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Cited By (3)
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| CN107879471A (en) * | 2017-11-09 | 2018-04-06 | 北京建筑大学 | A kind of new Full Autotrophic Ammonium Removal Process and device |
| CN109231493A (en) * | 2018-10-26 | 2019-01-18 | 浙江海洋大学 | A kind of low C/N high ammonia-nitrogen wastewater processing unit |
| CN111453842A (en) * | 2020-04-07 | 2020-07-28 | 福建中盟环保科技有限公司 | Vertical high-concentration ammonia nitrogen wastewater treatment equipment |
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| CN207072846U (en) * | 2017-03-16 | 2018-03-06 | 泉州华大环保科技有限公司 | A kind of biological treatment device of high-enriched organics, ammonia nitrogen waste water |
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| CN107879471A (en) * | 2017-11-09 | 2018-04-06 | 北京建筑大学 | A kind of new Full Autotrophic Ammonium Removal Process and device |
| CN109231493A (en) * | 2018-10-26 | 2019-01-18 | 浙江海洋大学 | A kind of low C/N high ammonia-nitrogen wastewater processing unit |
| CN111453842A (en) * | 2020-04-07 | 2020-07-28 | 福建中盟环保科技有限公司 | Vertical high-concentration ammonia nitrogen wastewater treatment equipment |
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