CN106673192A - Technology for removing total nitrogen in garbage leachate by anammox and special device thereof - Google Patents
Technology for removing total nitrogen in garbage leachate by anammox and special device thereof Download PDFInfo
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- CN106673192A CN106673192A CN201611012890.3A CN201611012890A CN106673192A CN 106673192 A CN106673192 A CN 106673192A CN 201611012890 A CN201611012890 A CN 201611012890A CN 106673192 A CN106673192 A CN 106673192A
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- water
- nitrogen
- anammox
- denitrification
- total nitrogen
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 42
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 10
- 238000005516 engineering process Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000000149 chemical water pollutant Substances 0.000 claims abstract description 18
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Chemical compound O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims abstract description 18
- -1 nitrite nitrogen Chemical compound 0.000 claims abstract description 16
- 238000006396 nitration reaction Methods 0.000 claims abstract description 15
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 15
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 9
- 239000011550 stock solution Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 24
- 238000007254 oxidation reaction Methods 0.000 claims description 23
- 230000003647 oxidation Effects 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- 238000010992 reflux Methods 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000007034 nitrosation reaction Methods 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N Potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005276 aerator Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000011026 diafiltration Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 3
- 230000002349 favourable Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 5
- 241001453382 Nitrosomonadales Species 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- PDNNQADNLPRFPG-UHFFFAOYSA-N N.[O] Chemical compound N.[O] PDNNQADNLPRFPG-UHFFFAOYSA-N 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- 210000003437 Trachea Anatomy 0.000 description 1
- 230000001651 autotrophic Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000813 microbial Effects 0.000 description 1
- 230000002906 microbiologic Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001546 nitrifying Effects 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
Abstract
A technology for removing total nitrogen in garbage leachate by anammox and a special device thereof are disclosed. The technology comprises the following steps: low dissolved oxygen concentration is strictly controlled in the nitration stage to oxidize ammonia nitrogen into nitrite nitrogen; in the denitrification stage, nitrite nitrogen is converted into nitrogen to escape so as to reduce total nitrogen in garbage leachate; then, an effluent undergoes mud-water separation, and wastewater is fully mixed with a few amount of garbage leachate stock solution in order to control the ratio of ammonia nitrogen to nitrite nitrogen in the wastewater and contents; simultaneously, nitrogen or carbon dioxide is supplemented in order to reduce dissolved oxygen in water and then provide favorable flow condition and strict anaerobic condition for follow-up anammox; and finally, a hydrophilic biological stuffing with large specific surface area is arranged in the anammox reactor to provide a stable growth environment for anammox bacteria so as to smoothly carry out anammox denitrification reaction. Therefore, total nitrogen of late landfill leachate reaches the emission standard, and energy is saved and consumption is reduced.
Description
Technical field
The invention belongs to low ratio of carbon to ammonium high ammonia-nitrogen wastewater bio-denitrification technology field, is exactly specifically to be related to a kind of anaerobism ammonia
The technique and special purpose device of oxidation removal total nitrogen in landfill leachate, is particularly well-suited at the efficient denitrification for the treatment of of advanced stage landfill leachate
Reason.
Background technology
In recent years, being continuously increased with municipal refuse yield, it is widest that landfill method is increasingly becoming domestic and international application
Garbage disposal and method of disposal.Landfill produce percolate complicated component, water quality and quantity change greatly, ammonia nitrogen and Organic substance it is dense
Degree is high, microbial nutrition element ratio is lacked of proper care etc., and intractability is larger.At present, the denitrogenation processing of percolate is mainly adopted
Traditional nitration denitrification denitrogenation technique.Traditional nitration denitrification denitrogenation be by nitrobacteria by mineralized nitrogen be nitrate
Nitrogen, then nitrate nitrogen is converted into by nitrogen by denitrifying bacteria escapes from water, so as to reach the purpose of denitrogenation.But for filling out
For burying the percolate in a late period, the technique there are problems that following：
(1) percolate carbon-nitrogen ratio is extremely low, i.e. famine organic carbon source, and denitrification process needs to add substantial amounts of carbon source,
Operating cost is high；
(2) aeration rate of nitrifying process is larger, high energy consumption；
(3) it is limited to the removal efficiency of total nitrogen, remaining substantial amounts of total nitrogen in water outlet, even by advanced treating after, it is also difficult
To reach existing discharge standard.
The problems referred to above cause the drawbacks such as landfill leachate treatment hardly possible up to standard, processing cost height, cause many landfill yard rubbish
Percolate treatment facility cannot normally run, it is, therefore, desirable to provide effectively denitrogenation technology.
It using anaerobic ammonia oxidizing bacteria is autotrophic bacteria that Anammox technology is, its growth course only needs to carbonate and dioxy
Change the inorganic carbon source such as carbon, and the oxidation of ammonia nitrogen is participated in without the need for molecular oxygen, the reduction of nitrite nitrogen without organic carbon source etc. this
One feature, the ammonia nitrogen in waste water is removed simultaneously with nitrite nitrogen, so as to reach the purpose of denitrogenation.The technology drops significantly
The low operating cost of wastewater biological denitrificaion, and the sludge yield of Anammox is low, does not produce greenhouse gases.Therefore, it is right
For the percolate of the high ammonia nitrogen of low ratio of carbon to ammonium, realize that Anammox reaction is the optimal path of its denitrogenation.
But, the doubling time of anaerobic ammonia oxidizing bacteria is long, and the condition that its culture and growth course need is more strict, such as needs
Influent quality, stable growing environment, strict anaerobic condition that will be stable etc., prior art be all difficult to realize stable anaerobism
Ammoxidation reaction, nitric efficiency is not increased substantially, and this limits to a certain extent its actual large-scale application.Cause
This, research and development are a kind of can effectively to realize that Anammox reacts and the technique and device of stable operation have highly important meaning
Justice.
The content of the invention
The purpose of the present invention is directed in above-mentioned existing anaerobic ammonia oxidation process, the ratio of influent ammonia nitrogen and nitrite nitrogen
And content it is unstable, response system is unstable, water inlet is containing the technical problem such as dissolved oxygen, there is provided Anammox removes rubbish and oozes
The technique and special purpose device of total nitrogen, increases substantially nitric efficiency in filtrate, by the total nitrogen qualified discharge in percolate.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of Anammox of present invention design removes the work of total nitrogen in landfill leachate
Skill, it is characterised in that it includes following step：
The first step, denitrification：Percolate enters the anoxic zone of short-cut nitrification-denitrification reactor, carries out denitrification
Denitrogenation processing, reduces the total nitrogen in waste water；
Second step, short distance nitration：The denitrification water outlet of the first step is carried out into short distance nitration process, nitrosation water outlet is obtained；
3rd step, mud-water separation：The nitrosation water outlet of second step is passed through into mud and water separating equipment, mud-water separation is carried out；
4th step, intermediate treatment：The water outlet of the 3rd step and a small amount of percolate, nitrogen or carbon dioxide are uniformly mixed
Close；
5th step, Anammox：The water outlet of the 4th step is carried out into Anammox reaction, is gone remaining total in eliminating water
Nitrogen.
Further, anti-nitration reaction temperature is 20~40 DEG C, dissolved oxygen DO≤0.3mg/L in the first step；Second step
Medium or short range nitration reaction temperature is 20~40 DEG C, dissolved oxygen DO is 0.6~1.2mg/L；Wherein, according to actual needs, short distance nitre
Change and may be configured as one-level or two-stage with denitrification.
Percolate stock solution flow Q in 4th step2With into the anoxic zone of short-cut nitrification-denitrification reactor
Garbage filter flow quantity Q1Ratio be less than 1.
Total nitrogen form of intaking in 5th step is mainly ammonia nitrogen and nitrite nitrogen, and the ratio of the two is (1:1.3)
~(1:1.4), the reaction is carried out under 20~50 DEG C of airtight condition, and water outlet is back to according to a certain percentage into water, with
Dilution water inlet, improves denitrification effect.
For the special purpose device that above-mentioned Anammox removes total nitrogen in landfill leachate technique, it is characterised in that：It is wrapped
Include short-cut nitrification-denitrification reactor, separator for mud and water, intermediate water tank, anaerobic ammonia oxidation reactor；
Raw water box is connected with short-cut nitrification-denitrification reactor, equipped with the first intake pump and control valve on connecting line, and
Raw water box is connected with intermediate water tank simultaneously, equipped with control valve on connecting line；The water side of short-cut nitrification-denitrification reactor with
Separator for mud and water connects；The outfan of separator for mud and water is connected with intermediate water tank；The outfan and Anammox of intermediate water tank
Reactor connects, and the second intake pump is housed on connecting line；Water tank is produced in the water outlet outfan connection of anaerobic ammonia oxidation reactor.
Further, polylith dividing plate is provided with the short-cut nitrification-denitrification reactor, reactor is divided into into many compartments,
First compartment is anoxic zone, and follow-up compartment is oxygen-limiting area, wherein, blender is provided with the first compartment, in every lattice oxygen-limiting area
Aeration tube is provided with, aeration tube is connected with the aerator of outside.
Further, the separator for mud and water adopts membrane bioreactor or sedimentation tank or other device for dehydrating sladge waste, its
Bottom connects short-cut nitrification-denitrification reactor, and connecting line is provided with sludge reflux pump, and reflux pipe is provided with remaining dirt
Mud mud valve.
Further, the intermediate water tank is provided with nitrogen or carbon dioxide preparing device.
Further, the anaerobic ammonia oxidation reactor is provided with reflux pump and biologic packing material, and top is provided with exhaust apparatus.
Beneficial effect
The present invention makes ammonium oxidation to nitrite nitrogen by strictly controlling relatively low dissolved oxygen concentration in the nitrification stage,
Again by being translated into nitrogen effusion in the denitrification stage, so as to reduce percolate in total nitrogen, then water outlet carries out
Mud-water separation, is afterwards sufficiently mixed it with a small amount of percolate stock solution, it is therefore an objective to control ammonia nitrogen and nitrous acid in waste water
The ratio and content of salt nitrogen；Nitrogen or carbon dioxide are supplemented simultaneously, it is therefore an objective to the dissolved oxygen in water is reduced, so as to detest for follow-up
Anaerobic ammonium oxidation reaction provides favourable flow condition and strict anaerobic condition, finally arranges in anaerobic ammonia oxidation reactor
The biologic packing material of hydrophilic, bigger serface, for anaerobic ammonia oxidizing bacteria stable growing environment is provided, so that anaerobism ammonia oxygen
Change denitrification reaction to be smoothed out, energy-conservation drop while the total nitrogen for realizing landfill yard treatment of advanced stage landfill leachate reaches effluent standard
Consumption.
Description of the drawings
Accompanying drawing 1 is the process chart of the embodiment of the present invention.
Accompanying drawing 2 is the equipment connecting relation schematic diagram of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be further described.
Embodiment
As shown in Figure 2, the special purpose device of total nitrogen in landfill leachate is removed for above-mentioned Anammox, its feature exists
In：It includes short-cut nitrification-denitrification reactor 1, separator for mud and water 2, intermediate water tank 3, anaerobic ammonia oxidation reactor 4；
Raw water box 5 is connected with short-cut nitrification-denitrification reactor 1, equipped with the first intake pump 6 and control valve on connecting line
7, and raw water box 5 is connected with intermediate water tank 3 simultaneously, equipped with control valve 7, short distance nitre on raw water box 5 and the connecting line of intermediate water tank 3
The water side of change-denitrification reactor 1 is connected with separator for mud and water 2；The outfan of separator for mud and water 2 is connected with intermediate water tank 3；
The outfan of intermediate water tank 3 is connected with anaerobic ammonia oxidation reactor 4, outfan and the anaerobic ammonia oxidation reactor 4 of intermediate water tank 3
Second intake pump 15 is housed on connecting line；Water tank 18 is produced in the water outlet outfan connection of anaerobic ammonia oxidation reactor 4.
Polylith dividing plate 9 is provided with the short-cut nitrification-denitrification reactor 1, reactor is divided into into many compartments, the first lattice
Room is anoxic zone, and follow-up compartment is oxygen-limiting area, wherein, blender 8 is provided with the first compartment, it is equipped with exposure in every lattice oxygen-limiting area
Trachea 11, aeration tube 11 is connected with the aerator 10 of outside.
The separator for mud and water 2 is using membrane bioreactor MBR or sedimentation tank or other device for dehydrating sladge waste, its bottom
Connection short-cut nitrification-denitrification reactor 1, connecting line is provided with sludge reflux pump 12, and reflux pipe is provided with remaining dirt
Mud mud valve 13.
The intermediate water tank 3 is provided with nitrogen or carbon dioxide preparing device 14.
The anaerobic ammonia oxidation reactor 4 is provided with reflux pump 16 and biologic packing material 17, and top is provided with exhaust apparatus.
The technical process for carrying out Anammox removal total nitrogen in landfill leachate using above-mentioned special purpose device is as follows：
The first step, denitrification：Percolate enters the anoxic zone of short-cut nitrification-denitrification reactor, in reaction temperature
Nitrogen effusion system is produced to carry out denitrification denitrogenation in the presence of 20~40 DEG C, dissolved oxygen DO≤0.3mg/L, stirring so that
Total nitrogen in waste water is reduced.
Second step, short distance nitration：The water outlet of anoxic zone enters oxygen-limiting area, is 20~40 DEG C, dissolved oxygen DO in reaction temperature
It is nitrite nitrogen by the mineralized nitrogen in water to carry out short distance nitration under conditions of 0.6~1.2mg/L, part nitrification liquid is returned
Flow to anoxic zone, the electron acceptor nitrite nitrogen needed for provide denitrification process, and according to actual needs, short distance nitration with
Denitrification may be configured as one-level or two-stage.
3rd step, mud-water separation：Short distance nitration water outlet carries out mud-water separation into sludge-water separating system, obtains water outlet and work
Property sludge, wherein, activated sludge is back to according to a certain percentage the anoxic zone of short-cut nitrification-denitrification, with maintenance system compared with
High sludge concentration, so as to improve nitric efficiency, remaining activated sludge is emitted into sludge-tank by mud valve.
4th step, intermediate treatment：Mud-water separation water outlet is uniform with a small amount of percolate stock solution, nitrogen or carbon dioxide
Mixing, obtains middle water outlet.Wherein, the flow Q of percolate stock solution2With lacking into short-cut nitrification-denitrification reactor
The garbage filter flow quantity Q in oxygen area1Ratio be less than 1.
5th step, Anammox：Middle water outlet enters anaerobic ammonia oxidation reactor from bottom, total nitrogen form in the water inlet
Predominantly ammonia nitrogen and nitrite nitrogen, and the ratio of the two is (1:1.3)~(1:1.4).Water inlet is entered after reactor through life
Thing filler, now the ammonia nitrogen in water and nitrite nitrogen produce nitrogen by the microbiological oxidation of attachment on biologic packing material and reduction
Discharge from top vent, so as to reach the purpose of advanced nitrogen.Wherein, whole course of reaction is the closed bar at 20~50 DEG C
Carry out under part, and water outlet is back to according to a certain percentage into water, to dilute water inlet, improves denitrification effect.
The present embodiment makes ammonium oxidation to nitrite by strictly controlling relatively low dissolved oxygen concentration in the nitrification stage
Nitrogen, then by being translated into nitrogen effusion in the denitrification stage, so as to reduce percolate in total nitrogen, then water outlet enters
Row mud-water separation, is afterwards sufficiently mixed it with a small amount of percolate stock solution, it is therefore an objective to control ammonia nitrogen and nitrous in waste water
The ratio and content of hydrochlorate nitrogen；Nitrogen or carbon dioxide are supplemented simultaneously, it is therefore an objective to reduce the dissolved oxygen in water, so as to for follow-up
Anammox reaction provides favourable flow condition and strict anaerobic condition, finally sets in anaerobic ammonia oxidation reactor
The biologic packing material of hydrophilic, bigger serface is put, for anaerobic ammonia oxidizing bacteria stable growing environment is provided, so that anaerobism ammonia
Oxidation process denitrification reaction is smoothed out, energy-conservation drop while the total nitrogen for realizing landfill yard treatment of advanced stage landfill leachate reaches effluent standard
Consumption.
Claims (7)
1. the technique that Anammox removes total nitrogen in landfill leachate, it is characterised in that it includes following step：
(1) denitrification：Percolate sends into the anoxic zone of short-cut nitrification-denitrification reactor, carries out denitrification denitrogenation process,
Reduce the total nitrogen in waste water；
(2) short distance nitration：The denitrification water outlet of step (1) is carried out into short distance nitration process, nitrosation water outlet is obtained；
(3) mud-water separation：The nitrosation water outlet of step (2) is passed through into mud and water separating equipment, mud-water separation is carried out；
(4) intermediate treatment：The water outlet of step (3) is uniformly mixed with percolate stock solution, nitrogen or carbon dioxide；
(5) Anammox：The water outlet of step (4) is carried out into Anammox reaction, remaining total nitrogen in eliminating water is removed.
2. the technique that Anammox as claimed in claim 1 removes total nitrogen in landfill leachate, it is characterised in that：
Anti-nitration reaction temperature is 20~40 DEG C, dissolved oxygen DO≤0.3mg/L in the step (1)；
Step (2) the medium or short range nitration reaction temperature is 20~40 DEG C, and dissolved oxygen DO is 0.6~1.2mg/L, wherein, short distance
Nitrification and denitrification may be configured as one-level or two-stage；
Percolate stock solution flow Q in the step (4)2With the rubbish into the anoxic zone of short-cut nitrification-denitrification reactor
Diafiltration flow quantity Q1Ratio be less than 1；
The total nitrogen form of water inlet is ammonia nitrogen and nitrite nitrogen in the step (5), and the ratio of the two is (1:1.3)~(1:
1.4), the reaction is carried out under 20~50 DEG C of airtight condition, and effluent recycling is to intaking, and to dilute water inlet, improves denitrogenation effect
Really.
3. the special purpose device that above-mentioned Anammox removes total nitrogen in landfill leachate technique is used for, it is characterised in that：It includes
Short-cut nitrification-denitrification reactor (1), separator for mud and water (2), intermediate water tank (3), anaerobic ammonia oxidation reactor (4)；
Raw water box (5) is connected with short-cut nitrification-denitrification reactor (1), equipped with the first intake pump (6) and control on connecting line
Valve (7), and raw water box (5) with intermediate water tank (3) while be connected, equipped with control valve (7), short distance nitration-anti-nitre on connecting line
The water side for changing reactor (1) is connected with separator for mud and water (2), and the outfan of separator for mud and water (2) is with intermediate water tank (3) even
Connect, the outfan of intermediate water tank (3) is connected with anaerobic ammonia oxidation reactor (4), the second intake pump (15) be housed on connecting line,
Water tank (18) is produced in the water outlet outfan connection of anaerobic ammonia oxidation reactor (4).
4. Anammox as claimed in claim 3 removes the special purpose device of total nitrogen in landfill leachate technique, and its feature exists
In：Polylith dividing plate (9) is provided with the short-cut nitrification-denitrification reactor (1), reactor is divided into into many compartments, the first lattice
Room is anoxic zone, and follow-up compartment is oxygen-limiting area, wherein, blender (8) is provided with the first compartment, it is equipped with every lattice oxygen-limiting area
Aeration tube (11), aeration tube (11) is connected with the aerator (10) of outside.
5. Anammox as claimed in claim 3 removes the special purpose device of total nitrogen in landfill leachate technique, and its feature exists
In：Using membrane bioreactor or sedimentation tank or device for dehydrating sladge waste, its bottom connects short distance nitre to the separator for mud and water (2)
Change-denitrification reactor (1), connecting line is provided with sludge reflux pump (12), and reflux pipe is provided with excess sludge spoil disposal
Valve (13).
6. Anammox as claimed in claim 3 removes the special purpose device of total nitrogen in landfill leachate technique, and its feature exists
In：The intermediate water tank (3) is provided with nitrogen or carbon dioxide preparing device (14).
7. Anammox as claimed in claim 3 removes the special purpose device of total nitrogen in landfill leachate technique, and its feature exists
In：The anaerobic ammonia oxidation reactor (4) is provided with reflux pump (16) and biologic packing material (17), and top is provided with exhaust apparatus.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381806A (en) * | 2017-09-07 | 2017-11-24 | 中南大学 | The water feed apparatus and method of a kind of anaerobic reactor |
| CN107840550A (en) * | 2017-12-11 | 2018-03-27 | 中国恩菲工程技术有限公司 | A kind of processing method of garbage leachate |
| CN110316907A (en) * | 2019-06-26 | 2019-10-11 | 安徽安江环保科技有限公司 | A kind of percolation liquid treating system and technique based on refuse landfill |
| CN110436627A (en) * | 2019-08-12 | 2019-11-12 | 欧基（上海）环保科技有限公司 | A kind of Anammox denitrification dephosphorization system and method |
| CN111094194A (en) * | 2017-09-30 | 2020-05-01 | (株)富康科技 | Device and method for short-range denitrification and inhibition of nitrous acid oxidation microbial activity |
| 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 |
| CN113321303A (en) * | 2021-06-16 | 2021-08-31 | 浙江一谦生态农业科技有限责任公司 | Method for efficiently removing ammonia nitrogen and total nitrogen in wastewater by using denitrifying bacteria |
| CN113402026A (en) * | 2021-05-27 | 2021-09-17 | 广东富成环境科技有限公司 | Method for completely denitrifying wastewater with low carbon-nitrogen ratio |
| CN113735259A (en) * | 2021-08-02 | 2021-12-03 | 广东富成环境科技有限公司 | Method for biological denitrification by adopting super short-cut nitrification and denitrification |
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| CN107381806A (en) * | 2017-09-07 | 2017-11-24 | 中南大学 | The water feed apparatus and method of a kind of anaerobic reactor |
| CN111094194A (en) * | 2017-09-30 | 2020-05-01 | (株)富康科技 | Device and method for short-range denitrification and inhibition of nitrous acid oxidation microbial activity |
| CN107840550A (en) * | 2017-12-11 | 2018-03-27 | 中国恩菲工程技术有限公司 | A kind of processing method of garbage leachate |
| CN107840550B (en) * | 2017-12-11 | 2021-05-28 | 中国恩菲工程技术有限公司 | Method for treating garbage leachate |
| CN110316907A (en) * | 2019-06-26 | 2019-10-11 | 安徽安江环保科技有限公司 | A kind of percolation liquid treating system and technique based on refuse landfill |
| CN110436627A (en) * | 2019-08-12 | 2019-11-12 | 欧基（上海）环保科技有限公司 | A kind of Anammox denitrification dephosphorization system and method |
| CN110436627B (en) * | 2019-08-12 | 2022-06-24 | 欧基（上海）环保科技有限公司 | Anaerobic ammonia oxidation nitrogen and phosphorus removal system and method |
| 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 |
| CN113402026A (en) * | 2021-05-27 | 2021-09-17 | 广东富成环境科技有限公司 | Method for completely denitrifying wastewater with low carbon-nitrogen ratio |
| CN113321303A (en) * | 2021-06-16 | 2021-08-31 | 浙江一谦生态农业科技有限责任公司 | Method for efficiently removing ammonia nitrogen and total nitrogen in wastewater by using denitrifying bacteria |
| CN113735259A (en) * | 2021-08-02 | 2021-12-03 | 广东富成环境科技有限公司 | Method for biological denitrification by adopting super short-cut nitrification and denitrification |
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