CN106830573A - Low energy consumption municipal sewage denitrogenation method based on the capture of reinforcing carbon with Anammox - Google Patents
Low energy consumption municipal sewage denitrogenation method based on the capture of reinforcing carbon with Anammox Download PDFInfo
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- CN106830573A CN106830573A CN201710225058.XA CN201710225058A CN106830573A CN 106830573 A CN106830573 A CN 106830573A CN 201710225058 A CN201710225058 A CN 201710225058A CN 106830573 A CN106830573 A CN 106830573A
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- 239000010865 sewage Substances 0.000 title claims abstract description 73
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 21
- 238000005265 energy consumption Methods 0.000 title claims abstract description 18
- 230000003014 reinforcing Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000002599 biostatic Effects 0.000 claims abstract description 28
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 238000006396 nitration reaction Methods 0.000 claims abstract description 13
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 claims abstract description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000010802 sludge Substances 0.000 claims description 29
- 238000004062 sedimentation Methods 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 10
- 230000000274 adsorptive Effects 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 6
- 206010002660 Anoxia Diseases 0.000 claims description 4
- 241000976983 Anoxia Species 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 238000011081 inoculation Methods 0.000 claims description 3
- 239000010841 municipal wastewater Substances 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 230000001105 regulatory Effects 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 abstract description 17
- -1 nitrate nitrogen Chemical compound 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 244000005700 microbiome Species 0.000 abstract description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 241000276438 Gadus morhua Species 0.000 description 3
- 235000019516 cod Nutrition 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000001603 reducing Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 229920005479 Lucite® Polymers 0.000 description 1
- 241001453382 Nitrosomonadales Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001651 autotrophic Effects 0.000 description 1
- 235000021167 banquet Nutrition 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000037351 starvation Effects 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
- C02F9/00—Multistage treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
Abstract
The invention discloses the low energy consumption municipal sewage denitrogenation method based on the capture of reinforcing carbon with Anammox.Raw water water tank is a closed box, is provided with overflow pipe and blow-down pipe；Biostatic reactor and biological adsorption reactor are respectively DO high and low DO environment, by improving microorganism adsorption organic matter ability, the carbon capture of reinforcing municipal sewage；Biological denitrification reactor is divided into low DO aerobic zones, anoxic zone, aerobic zone and settling zone, and the reaction of short distance nitration Anammox occurs in low DO aerobic zones first, is nitrogen and part nitrate nitrogen by mineralized nitrogen；Then with organic matter in partial raw water as carbon source, reacted by short-cut denitrification Anammox and realize advanced nitrogen；In order to avoid water outlet has ammonia nitrogen, anoxic zone rear end increases aerobic zone, it is ensured that remaining ammonium oxidation is nitrate in sewage；Finally, sewage behind settling zone by discharging.By above method, municipal sewage energy recovery efficiency can be improved, and realize advanced nitrogen.
Description
Technical field
The present invention relates to a kind of based on reinforcing low energy consumption municipal sewage nitrogen rejection facility of the carbon capture with Anammox and side
Method, belongs to technical field of biological sewage treatment.
Background technology
As continuing to develop for industrial enterprise, and people's living standard improve constantly, the main pollution in town sewage
Species remove organic beyond the region of objective existence, and the content of nitrogen and phosphorus also increasingly increases, and this exacerbates the process of body eutrophication, cause water source dirty
Dye, river course is black smelly, and fishes and shrimps are dead, landscape not only destroyed, while also bringing threat to human health.In recent years, in order to control
Body eutrophication processed, large amount of sewage treatment plant is constantly newly-built, while the continuous upgrading of existing sewage treatment plant, by efficient
Biological denitrificaion removal municipal sewage in nitrogen-containing pollutant.However, current sewage treatment plant belongs to energy consumption rich and influential family, high energy consumption
Exacerbate the cost burden of unit of operation.Therefore, under the increasingly serious background of energy crisis, sewage treatment plant can be reached high
Effect biological denitrificaion, and energy reducing energy consumption, and then weaken sewage treatment plant's operation cost, it appears it is particularly important.
Existing bio-denitrifying sewage technique is needed by aerobic nitrification and anoxic denitrification, realize dirty Organic substance in water and
The removal of nitrogen.However, ammonium oxidation is nitrate substantial amounts of electric energy input is needed, while the organic matter in sewage needs to be anoxic
Denitrification provides organic matter and is removed so as to realize total nitrogen as electron donor.Therefore, not only aeration energy consumption is big for this technique, and
Considerably reduce the possibility of the energy recovery of dirty Organic substance in water.Invent at present and proposed short distance nitration+anaerobism ammonia
Oxidation technology, the technique is capable of achieving to reduce Sewage Plant by biological adsorption and short distance nitration/Anammox autotrophic denitrification technology
The purpose (ZL201310001101.6) for the treatment of energy consumption and raising Sewage Plant energy recovery rate.However, during the process operation
Oxidation of coal in sewage is serious, and a large amount of carbon are oxidized to carbon dioxide, the total amount of biological adsorbable carbon are reduced, so as to be unfavorable for
Sludge enrichment organic matter carries out methane phase generating；Anammox can produce nitrate nitrogen simultaneously so that nitrate nitrogen in system water outlet
Concentration is of a relatively high, it is difficult to realize advanced nitrogen.
The content of the invention
The purpose of the present invention is big aiming at existing process energy consumption and energy recovery rate is low and is difficult to advanced nitrogen
Problem, proposes a kind of low energy consumption municipal sewage nitrogen rejection facility and method based on the capture of reinforcing carbon with Anammox.
The technical scheme is that：There is provided a kind of dirty with the low energy consumption city of Anammox based on the capture of reinforcing carbon
Denitrogenation of water device：It is provided with municipal sewage raw water box 1, Biostatic reactor 2, biological adsorption reactor 3, intermediate sedimentation pond 4, life
Thing denitrification reactor 5；Municipal sewage raw water box 1 is provided with overflow pipe 1.1 and blow-down pipe 1.2；Municipal sewage raw water box 1 is by biology
Adsorptive reactor raw water intake pump 3.1 is connected with biological adsorption reactor 3；Biological adsorption reactor 3 is anti-by biological adsorption
Device outlet pipe 3.3 is answered to be connected with intermediate sedimentation pond 4；Intermediate sedimentation pond 4 passes through sludge reflux pump and the phase of Biostatic reactor 2
Connection, sets air volume regulating valve 2.1 and aeration head 2.2 in Biostatic reactor 2；Intermediate sedimentation pond 4 passes through intermediate sedimentation pond
Outlet pipe 4.4 is connected with biological denitrification reactor, while also municipal sewage raw water box 1 passes through biological denitrification reactor raw water
Intake pump 5.1 is connected with biological denitrification reactor 5.5 points of biological denitrification reactor is several cell compartments, and it is good that cell compartment is followed successively by low DO
Oxygen area 5.5, anoxic zone 5.6, aerobic zone 5.7, settling zone 5.8, are provided with air compressor machine 5.3, gas flowmeter 5.4, anoxia stirring
Device 5.9, biological denitrification reactor outlet valve 5.10, biological denitrification reactor outlet pipe 5.11.
Municipal sewage flow in this device is：The returned sludge in intermediate sedimentation pond reacts into Biostatic first
Device, carries out Biostatic under the conditions of DO high.Then sewage raw water in urban enters life together with Biostatic reactor water outlet
Thing adsorptive reactor, by the organic matter in the activated sludge absorption municipal sewage of Biostatic, so as to realize the mesh of carbon capture
's.The water outlet of biological adsorption reactor enters intermediate sedimentation pond, and the activated sludge part after precipitation is discharged in the form of excess sludge,
Flowed back part.The water outlet of intermediate sedimentation pond initially enters the low DO aerobic zones of biological denitrification reactor, herein by sewage
Part mineralized nitrogen isRealize that short distance nitration is acted on；Then anaerobic ammonia oxidizing bacteria is using part ammonia nitrogen and generationGeneration Anammox reacts, and generates nitrogen and nitrate nitrogen；The then water outlet of low DO aerobic zones and urban sewage
Raw water enters anoxic zone simultaneously, and by the use of the organic matter in raw water as carbon source, the nitrate nitrogen that will be generated on last stage switchs toAfterwards, then reacted the ammonia nitrogen in raw water and generation by AnammoxIt is removed.Then lack
The water outlet of oxygen area enters aerobic zone and nitration reaction occurs, it is ensured that remaining ammonia nitrogen is converted to nitrate nitrogen；Finally, anoxic zone water outlet enters
Settling zone, by being discharged after precipitation, finally realizes the purpose of biological denitrificaion.
Know-why：
Reinforcing carbon capture mainly improves biological adsorption ability, increases DO Biostatics high respectively in denitrification process front end anti-
Device and low DO biological adsorptions reactor are answered, returned sludge is only introduced in DO Biostatics reactor high, sludge is aerated
Stabilization, because organic matter is deficient in returned sludge, then microorganism is in " starvation " environment；Then DO Biostatics reactor high
Mixed liquor enters low DO biological adsorptions reactor, while part raw sewage is introduced, because organic matter enriches in raw sewage, then for micro-
Biology creates " grand banquet " environment, and microorganism can largely absorb the organic matter in raw sewage.More than DO Biostatics high and
Low DO biological adsorptions, excite microorganism adsorption organic matter potentiality, that is, enhance microorganism original to carrying out carbon capture in sewage
Ability, is favorably improved next stage sludge methane phase efficiency.Then, the sewage by organic matter removal is aerobic all into low DO
There is short distance nitration and reacted with Anammox in area, the stage, realize the removal of ammonia nitrogen.Because Anammox reaction can be produced
Part nitrate, therefore anoxic zone is increased, remaining raw sewage is introduced into, with former Organic substance in water as carbon source, there is short distance anti-
Nitrification and Anammox, realize advanced nitrogen.In order to avoid water outlet has ammonia nitrogen, anoxic zone rear end increases aerobic zone, it is ensured that
Remaining ammonium oxidation is nitrate in sewage.Finally, sewage behind settling zone by discharging.
The present invention realizes biological high-efficiency denitrogenation and energy recovery based on the capture of enhanced sewage carbon with Anammox is counter, with biography
System biological denitrification process is compared and had the advantage that：
1) activated sludge is carried out into Biostatic, the biological adsorption efficiency of organic matter, reduces organic matter in enhanced sewage
Be enriched with organic matter into sludge by the degree of oxidation of coal, biological adsorption, and the activated sludge that then will be enriched in organic matter passes through anaerobism
Fermentation methane phase, so as to improve realize sewage energy recovery rate；
2) short distance nitration Anammox reaction only need to low DO conditions, dissolved oxygen concentration in the range of 0.2-0.5mg/L,
So being greatly reduced for aeration rate can be realized, the reduction of sewage disposal energy consumption is finally reached；
3) short-cut denitrification and Anammox can reduce organic matter consumption with enhanced biological advanced nitrogen, save carbon
Source, can bring the benefit for reducing operating cost for sewage treatment plant；
4) present apparatus can not only reduce sewage disposal energy consumption, while improving energy recovery rate in sewage, be expected to make city
Sewage Plant is realized being supplied outside energy-autarchic or energy.
Brief description of the drawings
Fig. 1 is a kind of low energy consumption municipal sewage denitrogenation method device based on the capture of reinforcing carbon with Anammox of the present invention
With the structural representation of method.
1 is municipal sewage raw water box in Fig. 1；2 is Biostatic reactor；3 is biological adsorptive reactor；4 is middle heavy
Shallow lake pond；5 is biological denitrification reactor；1.1 is raw water water tank overflow pipe；1.2 is raw water water tank blow-down pipe；1.3 is intake pump；
2.1 is air volume regulating valve；2.2 is aeration head；2.3 Biostatic reactor outlet pipes；2.4 is Biostatic reactor water outlet
Valve；3.1 is biological adsorptive reactor raw water intake pump；3.2 is biological adsorptive reactor raw water water intaking valve；3.3 is biological adsorption
Reactor outlet pipe；3.4 is biological adsorptive reactor outlet valve；4.1 is returned sludge valve；4.2 is return sludge pump；4.3 are
Intermediate sedimentation pond outlet valve；4.4 is intermediate sedimentation pond outlet pipe；5.1 is biological denitrification reactor raw water intake pump；5.2 make a living
Thing denitrification reactor raw water water intaking valve；5.3 is air compressor machine；5.4 is gas flowmeter；5.5 is low DO aerobic zones；5.6 is anoxic
Area；5.7 is aerobic zone；5.8 is settling zone；5.9 is anoxia stirring device；5.10 biological denitrification reactor outlet valves；5.11 make a living
Thing denitrification reactor outlet pipe.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples：Based on the capture of reinforcing carbon and Anammox
Low energy consumption municipal sewage nitrogen rejection facility is provided with municipal sewage raw water box (1), Biostatic reactor (2), biological adsorption reactor
(3), intermediate sedimentation pond (4), biological denitrification reactor (5)；Municipal sewage raw water box (13) is provided with overflow pipe (1.1) and blow-down pipe
(1.2)；Municipal sewage raw water box (1) is by biological adsorption reactor raw water intake pump (3.1) and biological adsorption reactor (3) phase
Connection；Biological adsorption reactor (3) is connected by biological adsorption reactor outlet pipe (3.3) with intermediate sedimentation pond (4)；It is middle
Sedimentation basin (4) is connected by sludge reflux pump with Biostatic reactor 2, and tolerance regulation is set in Biostatic reactor 2
Valve (2.1) and aeration head (2.2)；Intermediate sedimentation pond (4) is by intermediate sedimentation pond outlet pipe (4.4) and biological denitrification reactor
(5) it is connected, while also municipal sewage raw water box (1) is taken off by biological denitrification reactor raw water intake pump (5.1) and biology
Analysis (5) are connected.Biological denitrification reactor (5) is divided into several cell compartments, and cell compartment is followed successively by low DO aerobic zones (5.5), lacks
Oxygen area (5.6), aerobic zone (5.7), settling zone (5.8), are provided with air compressor machine (5.3), gas flowmeter (5.4), anoxia stirring
Device (5.9), biological denitrification reactor outlet valve (5.10) 5, biological denitrification reactor outlet pipe (5.11).
The step of method is：
1) activation system：Inoculation municipal wastewater treatment plant activated sludge adds anti-to Biostatic reactor (2) and biological adsorption
Device (3) is answered, sludge concentration is respectively reached 1000-2000mg/L and 500-1000mg/L.In biological denitrification reactor (5),
Low DO aerobic zones (5.5) add the filler with short distance nitration Yu Anammox biomembrane, and packing ratio is 50-80%；Anoxic
Area (5.6) adds the filler with short-cut denitrification Yu Anammox biomembrane, and packing ratio is 50-80%；Aerobic zone (5.7)
The filler with nitrification biomembrane is added, packing ratio is 50-80%.
2) regulation operation is as follows when running：
2.1), in 50-100%, Dissolved Oxygen concentration Control is in 3.5- for the control of Biostatic reactor (2) return sludge ratio
5mg/L, the hydraulic detention time HRT of the reactor (2) is controlled in 30-60min；
2.2) municipal sewage water inlet ratio is 80-90% in biological adsorption reactor (3), and Dissolved Oxygen concentration Control is in 0.2-
0.5mg/L, the hydraulic detention time HRT of the reactor (2) is controlled in 60-90min；Sludge age was controlled at 0.5-1.1 days；
2.3) biological denitrification reactor (5) method of operation is that the water outlet of intermediate sedimentation pond initially enters biological denitrification reactor
Low DO aerobic zones (5.5), the control of this region DO concentration controlled in 6-10h in 0.3-0.5mg/L, hydraulic detention time HRT；And
The water outlet of low DO aerobic zones and urban sewage enter anoxic zone (5.6) simultaneously afterwards, and municipal sewage water inlet ratio is 10-
20%, hydraulic detention time HRT are controlled in 1-2h；Then anoxic zone water outlet enters aerobic zone (5.7) generation nitration reaction, this area
In 1.0-2.0mg/L, hydraulic detention time HRT is controlled in 1-2h for domain DO concentration control.Finally, anoxic zone water outlet enters settling zone
(5.8), draining valve draining is passed through after precipitation 1-2h.
2.4) in biological denitrification reactor (5), when low DO aerobic zones (5.5) ammonia nitrogen concentration is less than 2mg/L, if nitrate nitrogen
Concentration>12mg/L, then increase anoxic zone (5.6) municipal sewage water inlet ratio, until nitrate concentration<8mg/L.
Experiment is using Beijing University of Technology's dependents' district sanitary sewage as raw water, and specific water quality is as follows：COD concentration is 200-
400mg/L；Concentration is 50-70mg/L,≤0.5mg/L.Pilot system is such as
Shown in Fig. 1, each reactor is made of lucite, and Biostatic reactor effective volume is 4L, and adsorptive reactor is effective
Volume is 8L；Every cell compartment volume is 8L in biological denitrification reactor, and total dischargeable capacity is 56L.
Concrete operations are as follows：
1) activation system：Inoculation municipal wastewater treatment plant activated sludge adds anti-to Biostatic reactor (2) and biological adsorption
Device (3) is answered, sludge concentration is respectively reached 1500mg/L and 800mg/L.In biological denitrification reactor (5), low DO aerobic zones
(5.5) filler with short distance nitration Yu Anammox biomembrane is added, packing ratio is 50%；Anoxic zone (5.6) adds tool
There is the filler of short-cut denitrification and Anammox biomembrane, packing ratio is 50%；Aerobic zone (5.7) adds biological with nitrification
The filler of film, packing ratio is 50%.
2) regulation operation is as follows when running：
2.1) control of Biostatic reactor (2) return sludge ratio is 50%, Dissolved Oxygen concentration Control in 3.5-5mg/L,
The hydraulic detention time HRT of the reactor (2) is controlled in 30min；
2.2) municipal sewage water inlet ratio is 80% in biological adsorption reactor (3), and Dissolved Oxygen concentration Control is in 0.2-
0.5mg/L, the hydraulic detention time HRT of the reactor (2) is controlled in 60min；Sludge age was controlled at 0.8 day；
2.3) biological denitrification reactor (5) method of operation is that the water outlet of intermediate sedimentation pond initially enters biological denitrification reactor
Low DO aerobic zones (5.5), the control of this region DO concentration in 0.3-0.5mg/L, hydraulic detention time HRT controls in 8h, then
The water outlet of low DO aerobic zones and urban sewage enter anoxic zone (5.6) simultaneously, and municipal sewage water inlet ratio is 20%, waterpower
Residence time HRT is controlled in 2h；Then anoxic zone water outlet enters aerobic zone (5.7) generation nitration reaction, the DO concentration controls of this region
System is controlled in 2h in 1.0-2.0mg/L, hydraulic detention time HRT.Finally, anoxic zone water outlet enters settling zone (5.8), precipitates 2h
Pass through draining valve draining afterwards.
2.4) in biological denitrification reactor (5), when low DO aerobic zones (5.5) ammonia nitrogen concentration is less than 2mg/L, if nitrate nitrogen
Concentration>12mg/L, increases anoxic zone (5.6) municipal sewage water inlet ratio, until nitrate concentration<8mg/L.
Result of the test shows：After stable, biological adsorption reactor effluent COD concentration is 120mg/L,It is dense
Degree 31mg/L；Biological denitrification reactor effluent COD concentration is 30-50mg/L,Concentration 0.5-3mg/L,It is dense
It is 0-0.5mg/L to spend,Concentration 1-5mg/L, the TN most of the time can be less than 10mg/L.
Claims (2)
1. the low energy consumption municipal sewage nitrogen rejection facility with Anammox is captured based on reinforcing carbon, it is characterised in that be provided with city
Sewage raw water box (1), Biostatic reactor (2), biological adsorption reactor (3), intermediate sedimentation pond (4), biological denitrificaion reaction
Device (5)；Municipal sewage raw water box (13) is provided with overflow pipe (1.1) and blow-down pipe (1.2)；Municipal sewage raw water box (1) is by life
Thing adsorptive reactor raw water intake pump (3.1) is connected with biological adsorption reactor (3)；Biological adsorption reactor (3) is by life
Thing adsorptive reactor outlet pipe (3.3) is connected with intermediate sedimentation pond (4)；Intermediate sedimentation pond (4) is by sludge reflux pump and life
Thing stabilization reactor 2 is connected, and air volume regulating valve (2.1) and aeration head (2.2) are set in Biostatic reactor 2；Centre is heavy
Shallow lake pond (4) is connected by intermediate sedimentation pond outlet pipe (4.4) with biological denitrification reactor (5), while also municipal sewage is former
Water tank (1) is connected by biological denitrification reactor raw water intake pump (5.1) with biological denitrification reactor (5)；Biological denitrificaion is anti-
Device (5) is answered to be divided into several cell compartments, cell compartment is followed successively by low DO aerobic zones (5.5), anoxic zone (5.6), aerobic zone (5.7), settling zone
(5.8) air compressor machine (5.3), gas flowmeter (5.4), anoxia stirring device (5.9), biological denitrification reactor outlet valve, are provided with
(5.10), biological denitrification reactor outlet pipe (5.11).
2. application claim 1 described device realizes the low energy consumption municipal sewage denitrogenation of reinforcing reinforcing carbon capture and Anammox
Method, it is characterised in that comprise the steps of：
1) activation system：Inoculation municipal wastewater treatment plant activated sludge is added to Biostatic reactor (2) and biological adsorption reactor
(3) sludge concentration, is made to respectively reach 1000-2000mg/L and 500-1000mg/L；In biological denitrification reactor (5), low DO
Aerobic zone (5.5) adds the filler with short distance nitration Yu Anammox biomembrane, and packing ratio is 50-80%；Anoxic zone
(5.6) filler with short-cut denitrification Yu Anammox biomembrane is added, packing ratio is 50-80%；Throw aerobic zone (5.7)
Plus the filler with nitrification biomembrane, packing ratio is 50-80%；
2) regulation operation is as follows when running：
2.1) Biostatic reactor (2) return sludge ratio control in 50-100%, Dissolved Oxygen concentration Control in 3.5-5mg/L,
The hydraulic detention time HRT of the reactor (2) is controlled in 30-60min；
2.2) municipal sewage water inlet ratio is 80-90% in biological adsorption reactor (3), and Dissolved Oxygen concentration Control is in 0.2-
0.5mg/L, the hydraulic detention time HRT of the reactor (2) is controlled in 60-90min；Sludge age was controlled at 0.5-1.1 days；
2.3) biological denitrification reactor (5) method of operation is that the water outlet of intermediate sedimentation pond initially enters the low of biological denitrification reactor
DO aerobic zones (5.5), in 0.3-0.5mg/L, hydraulic detention time HRT is controlled in 6-10h the DO concentration control of this region；It is then low
The water outlet of DO aerobic zones and urban sewage enter anoxic zone (5.6) simultaneously, and municipal sewage water inlet ratio is 10-20%, water
Power residence time HRT is controlled in 1-2h；Then anoxic zone water outlet enters aerobic zone (5.7) generation nitration reaction, and DO is dense in this region
Degree control is controlled in 1-2h in 1.0-2.0mg/L, hydraulic detention time HRT；Finally, anoxic zone water outlet enters settling zone (5.8),
Pass through draining valve draining after precipitation 1-2h；
2.4) in biological denitrification reactor (5), when low DO aerobic zones (5.5) ammonia nitrogen concentration is less than 2mg/L, if nitrate
>12mg/L, then increase anoxic zone (5.6) municipal sewage water inlet ratio, until nitrate concentration<8mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225058.XA CN106830573B (en) | 2017-04-07 | 2017-04-07 | Low-energy-consumption urban sewage denitrification method based on enhanced carbon capture and anaerobic ammonia oxidation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710225058.XA CN106830573B (en) | 2017-04-07 | 2017-04-07 | Low-energy-consumption urban sewage denitrification method based on enhanced carbon capture and anaerobic ammonia oxidation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106830573A true CN106830573A (en) | 2017-06-13 |
| CN106830573B CN106830573B (en) | 2020-03-13 |
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| CN109160672A (en) * | 2018-08-21 | 2019-01-08 | 海南大学 | A method of high ammonia-nitrogen wastewater advanced nitrogen and mud decrement are realized based on free ammonia (FA) processing sludge |
| CN109650540B (en) * | 2018-12-21 | 2021-06-25 | 海南大学 | Deep biological denitrification device and method for natural rubber processing wastewater |
| CN109650540A (en) * | 2018-12-21 | 2019-04-19 | 海南大学 | A kind of native rubber processing waste water deep biological denitrogenation device and method |
| CN109721156A (en) * | 2019-01-21 | 2019-05-07 | 北京工业大学 | Intermittent aerating integration/short-cut denitrification-Anammox processing treatment of advanced stage landfill leachate apparatus and method |
| CN109721156B (en) * | 2019-01-21 | 2021-10-22 | 北京工业大学 | Device and method for treating late landfill leachate through integration of intermittent aeration/short-range denitrification-anaerobic ammonia oxidation |
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| CN110436704B (en) * | 2019-07-26 | 2022-01-07 | 北京工业大学 | Urban sewage treatment upgrading and reforming process based on anaerobic ammonia oxidation |
| CN110451642A (en) * | 2019-08-16 | 2019-11-15 | 北京城市排水集团有限责任公司 | A kind of multistage O/A Anammox coupling denitrification nitrogen rejection facility and its application method |
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