CN203593686U - Anammox-based SBR+SBBR urban highly-effective wastewater biological treatment device - Google Patents
Anammox-based SBR+SBBR urban highly-effective wastewater biological treatment device Download PDFInfo
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- CN203593686U CN203593686U CN201320746883.1U CN201320746883U CN203593686U CN 203593686 U CN203593686 U CN 203593686U CN 201320746883 U CN201320746883 U CN 201320746883U CN 203593686 U CN203593686 U CN 203593686U
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- 239000002351 wastewater Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000005416 organic matter Substances 0.000 claims abstract description 29
- 239000010865 sewage Substances 0.000 claims abstract description 28
- 238000005273 aeration Methods 0.000 claims abstract description 25
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 11
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 11
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- 239000010841 municipal wastewater Substances 0.000 claims description 8
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- 241000894006 Bacteria Species 0.000 abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 14
- 239000011574 phosphorus Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 13
- 230000001651 autotrophic effect Effects 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 4
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- 238000000034 method Methods 0.000 description 29
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- 230000008569 process Effects 0.000 description 21
- 241001453382 Nitrosomonadales Species 0.000 description 16
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- 238000005516 engineering process Methods 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
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- 229920000037 Polyproline Polymers 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
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- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- PDNNQADNLPRFPG-UHFFFAOYSA-N N.[O] Chemical compound N.[O] PDNNQADNLPRFPG-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
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- 238000009294 enhanced biological phosphorus removal Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
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- 239000010452 phosphate Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an anammox-based SBR+SBBR urban highly-effective biological wastewater treatment device, and belongs to the technical field of biological sewage treatment. The device comprises an SBR dephosphorization organic matter reactor and an SBBR partial nitrification-anammox integrated bio-membrane reactor, wherein urban wastewater is firstly introduced into the SBR dephosphorization organic matter reactor; biological phosphorus removal is realized through conducting an alternate anaerobic-aerobiotic operation; at the same time, organic matters in the wastewater can be removed through adopting heterotrophic bacteria; after processed in the SBR dephosphorization organic matter reactor, discharged water is introduced into the SBBR partial nitrification-anammox integrated bio-membrane reactor; through hypoxia aeration operation, partial nitrification-anammox autotrophic nitrogen removal is realized. The device provided by the utility model is more suitable for low-carbon-nitrogen-ratio urban wastewater treatment, flexible in systematical control, good in energy-saving and nitrogen and phosphorus removal effects, and high in pollutant removal effect.
Description
Technical field
The utility model relates to a kind of device of the SBR+SBBR municipal effluent high-performance bio processing based on Anammox, belongs to dirty water living creature processing technique field.
Background technology
Body eutrophication is day by day serious, and in sewage, the discharge of nitrogen phosphorus is to cause its major reason.The removal of nitrogen and phosphorus pollutants has become the key issue of sewage disposal and regeneration.It is that ammonia nitrogen is less than 5mg/L that " the urban wastewater treatment firm pollutant emission standard " that China 2002 promulgates requires all pollutant discharging units effluent quality in (GB18918-2002), total nitrogen is less than 15mg/L, and sewage work's total phosphorus of building after on January 1st, 2006 is simultaneously less than 0.5mg/L.The energy consumption of existing sewage work is very high, and wherein a lot of sewage disposal plant effluent water quality can not reach first discharge standard, need to carry out upgrading.How in realizing high-efficient denitrification and dephosphorization, to reduce water treatment energy consumption, reduce processing costs, for the Sustainable development important in inhibiting of sewage disposal.
The microorganism that biological phosphate-eliminating is mainly referred to as polyP bacteria by a class completes.Active sludge is alternate run under anaerobic and aerobic state, and in mud, polyP bacteria discharges phosphorus under anaerobic state, under good oxygen condition, excessively absorbs phosphorus; Through the rich phosphorus excess sludge of discharge, its result, compared with traditional activated sludge process, can efficiently be removed the phosphor contaminant in sewage.SBR technique is alternate run under anaerobic-aerobic, and the growth of preponderating of the phosphatic polyP bacteria of excess accumulation, makes active sludge phosphorus content higher than ordinary activated sludge.The alternate run of anaerobic stages and aerobic stage is conducive to the granulating of active sludge simultaneously, and sludge settling property is significantly improved, and improves contaminant removal efficiency.
Traditional nitrated-denitrification process of the general employing of bio-denitrification technology is oxidized to nitric nitrogen by ammonia nitrogen by nitrifier under aerobic condition, and then under anaerobic environment, denitrifying bacteria utilizes organism that nitrate-nitrogen reduction is become to nitrogen.The limitation of traditional technology is to need organism as the electron donor that completes nitrate reduction in denitrification process.The water inlet carbon-nitrogen ratio of municipal sewage plant of China is generally lower, and the shortage of carbon source becomes the bottleneck that denitrogenation dephosphorizing efficiency cannot improve, and additional carbon can increase considerably sewage disposal expense.The discovery of anaerobic ammonia oxidizing bacteria makes sewage whole process autotrophic denitrification become possibility, and this bacterial classification has unique pathways metabolism, can utilize nitrite, as electron donor, ammonia nitrogen oxidation is generated to nitrogen.Compare traditional denitrification process Anammox technology and there is obvious advantage: 1. anaerobic ammonia oxidizing bacteria is chemoautotrophic bacteria, using inorganic carbon as carbon source, thus in denitrification process without adding organic carbon source, save working cost; 2. nitrifying process only need be oxidizing to nitrite by 50% ammonia nitrogen, significantly reduces oxygen supply energy consumption; 3. the nitric efficiency of Anammox technology and removal load are higher, produce seldom amount excess sludge; 4. can reduce in a large number the discharge of greenhouse gases Nitrous Oxide, environmental benefit is obvious.
As a kind of bio-denitrification technology of Sustainable development, anaerobic ammonia oxidation process has good prospect.But anaerobic ammonia oxidizing bacteria belongs to autotrophic bacteria, cell yield is low, is not easy enrichment at short notice.The anaerobic ammonia oxidizing bacteria doubling time of report is 11d at present, even longer.When the simultaneous reactions device initial stage, mud easily runs off, and causes the smooth enrichment of anaerobic ammonia oxidizing bacteria more difficult.The utility model is the start time that shortens anaerobic ammonia oxidation process, needs the mud of enhanced reactor to hold the ability of staying, to promote the fast enriching of anaerobism ammonia oxygen bacterium.Adopt novel technology of biological membrane to hold the ability of staying with enrichment by reinforcement sludge.Evidence can be shortened the start time of anaerobic ammonia oxidation process to a certain extent by add filler in system.
The research of Anammox technology at present mainly concentrates in the processing of high temperature high ammonia-nitrogen wastewater with application, and under normal temperature, the research of municipal effluent Anammox technology application is fewer.Synchronous denitrogen dephosphorus technology of city sewagte based on Anammox technology rarely has report.Applying of Anammox technical finesse municipal effluent needs the problem solving to comprise at present: how in reactor, effectively to hold and stay and enrichment anaerobic ammonia oxidizing bacteria; How thereby the mutual ratio of concerted reaction device different strain improves the stability of reaction operation; How to reduce the complexity of system running maintenance.Therefore, the novel device that utilizes anaerobic ammonia oxidation process Treating Municipal Sewage need to be proposed.
Utility model content
The purpose of this utility model is high for existing municipal sewage treatment energy consumption exactly, stable water outlet is poor, part water outlet nitrogen phosphorus can not reach one-level A target problem, a kind of SBR+SBBR municipal effluent high-performance bio treatment unit based on Anammox has been proposed, first this device passes into sewage sbr reactor device, discharge rich phosphorous sludge by anaerobic phosphorus release process-aerobic suction phosphorus process alternate run and realize biological phosphate-eliminating, in aerobic processes, remove the partial organic substances in water inlet by heterotrophic bacterium simultaneously; Then sewage passes into SBBR reactor, carries out autotrophic denitrification by short distance nitration-anaerobic ammoxidation.This SBBR application of installation new packing and suspension active sludge are effectively held and are stayed enrichment anaerobic ammonia oxidizing bacteria, improve holding of mud stayed to ability, increase the concentration of microorganism.SBBR reactor forms different superiority bacteria spps on suspended sludge and microbial film, thereby the advantage of activated sludge process and biomembrance process is organically combined, and can significantly improve processing power and the operation stability of system.And the suitable growth environment that provides of the microorganism that is difference in functionality by rational structure of reactor and hydraulic flow state, realize the quick startup of anaerobic ammonia oxidation process, and improve the nitric efficiency of system and the stability of technique.
The purpose of this utility model solves by following solution: a kind of SBR+SBBR municipal effluent high-performance bio treatment unit based on Anammox, it is characterized in that, mainly comprise municipal effluent raw water box (1), SBR dephosphorization organic matter removal reactor (2), intermediate water tank (3), SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4); What municipal effluent raw water box stored is the preliminary sedimentation tank sewage of municipal wastewater treatment plant, and main pollution substance is organism and ammonia nitrogen; Municipal effluent raw water box (1) is provided with upflow tube (1.1) and blow-down pipe (1.2); Municipal effluent raw water box (1) is connected with SBR dephosphorization organic matter removal reactor (2) water inlet pipe by SBR intake pump (1.3); SBR dephosphorization organic matter removal reactor (2) is provided with speed governing agitator (2.1), water discharge valve (2.2), mud valve (2.3), diaphragm aeration head (2.4), air volume regulating valve (2.5) gas blower (2.6) and gas meter (2.7); SBR dephosphorization organic matter removal reactor (2) rising pipe is connected with intermediate water tank (3); Intermediate water tank (3) is provided with upflow tube (3.1) and blow-down pipe (3.2); Intermediate water tank (3) is connected with SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4) by SBBR intake pump (3.3); SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4) is provided with water discharge valve (4.1), mud valve (4.2)), diaphragm aeration head (4.3), air volume regulating valve (4.4), in SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4), be fixed with the fixing filler (4.5) of dispersion, fixing filler is the compounded mix of sponge and PE material composition in prior art.Sponge in preferably fixing filler is that the length of side is the cubic material of 0.5-1.5cm, and PE is cylindric material.
The treatment scheme of municipal effluent in this device is: city preliminary sedimentation tank sewage enters sewage raw water box, by intake pump, to the water inlet of SBR dephosphorization organic matter removal reactor, phosphorus and organism are efficiently removed organic Degradation by biological phosphate-eliminating effect and heterotrophic bacterium; The water outlet of SBR dephosphorization organic matter removal reactor enters intermediate water tank and carries out water yield adjusting; The sewage of intermediate water tank is intake to SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor by intake pump; Then SBBR reactor moves under low DO condition, and when ammonia oxidation bacteria oxidation mineralized nitrogen is nitrite, anaerobic ammonia oxidizing bacteria utilizes substrates ammonia nitrogen to react with nitrous and generates nitrogen.Denitrifying bacteria in simultaneous reactions device can utilize the organism of SBR dephosphorization organic matter removal reactor water outlet remnants to carry out denitrification, and the nitrate-nitrogen reduction that Anammox effect is produced is nitrogen; Finally reach the efficient object of removing from sewage by organism and nitrogen and phosphorus pollution thing by said process.
A method for SBR+SBBR municipal effluent high-performance bio device Treating Municipal Sewage based on above-mentioned Anammox, the concrete step starting and regulate and control is as follows:
1) seed sludge and unloading phase: SBR dephosphorization organic matter removal reactor (2) inoculation municipal wastewater treatment plant second pond returned sluge, makes sludge concentration at 4-6g/L, preferably 5g/L; SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4) is according to the short distance nitration mud of volume ratio 1:1 inoculation municipal wastewater treatment plant second pond returned sluge and steady running, make sludge concentration at 2-4g/L, preferably 2.5g/L, and inoculate from getting appropriate biofilm packing in the high ammonia-nitrogen wastewater anaerobic ammonia oxidation reactor of steady running, biofilm packing volume accounts for total reactor volume and is not less than 4%;
2) normal operating phase
2.1SBR dephosphorization organic matter removal reactor (2) operation scheme is, first normal temperature water inlet, anaerobism stirs, aerobic aeration, remove most of organism, quiescent setting, draining enters intermediate water tank (3), wherein makes Dissolved Oxygen concentration Control at 3-5mg/L at aerobic stage, hydraulic detention time HRT is controlled at 2-8h, preferably 4h, sludge retention time is controlled at 3-5d, preferably 4d; Preferably flooding quantity is the half of SBR dephosphorization organic matter removal reactor (2) volume;
2.2SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4) operation scheme is, the water of intermediate water tank (3) enters SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4), the valve of adjusting aerating pipelines carries out low-oxygen aeration, dissolved oxygen in control reactor is at 0.1-0.3mg/L, guarantee that mud more fully suspends at reactor simultaneously, there is not short stream and dead band, period of aeration, make total nitrogen lower than 15mg/L, quiet heavy 15-30min afterwards, finally by water discharge valve draining, hydraulic detention time HRT is 5-10h, preferably 7h.
After further SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4) is stable, if ammonia nitrogen concentration is lower than 5mg/L when aeration finishes, reduce system aeration time.If ammonia nitrogen concentration is higher than 5mg/L when aeration finishes, increase system aeration time.Until being less than 5, system water outlet ammonia nitrogen concentration is greater than 0.5mg/L, in case substrate concn occurred that aeration phenomenon affected ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria activity when too low simultaneously.
The utility model proposes a kind of device based on the processing of Anammox SBR+SBBR municipal effluent high-performance bio, compare and there is following advantage with conventional Anammox denitrification treatment process with existing traditional biological denitrification process:
1) the utility model is realized the synchronous denitrification dephosphorizing of low ratio of carbon to ammonium municipal effluent by SBR+SBBR system, and the dephosphorization of sewage and denitrogenation are independently carried out in reactor at two respectively, are conducive to the cultivation of dominant bacteria; Enrichment nitrifier and anaerobic ammonia oxidizing bacteria in enrichment polyP bacteria and SBBR reactor in sbr reactor device respectively, for functional microorganism provides suitable growing environment, avoid polyP bacteria, ammonia oxidation bacteria, the contradiction of anaerobic ammonia oxidizing bacteria on sludge age and dissolved oxygen concentration, improved activity and the corresponding contaminant removal efficiency of each functional microorganism.
2) the utility model, by controlling the short sludge age (3-5d) of SBR dephosphorization organic matter removal reactor, can not grow ammonia oxidizing bacteria (AOB) and nitrite-oxidizing bacteria (NOB), and nitrification does not occur, and saves the energy and improves dephosphorization organic matter removal effect.Sbr reactor device of the present utility model, at anaerobic and aerobic alternate run, optionally discharges flco mud and can realize rapidly granular sludge simultaneously, and sludge settling property is significantly improved, and improves reactor operational efficiency.
3) the compound bio membrane technique of the utility model by SBBR reactor provides respectively suitable growth conditions for ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria.Utilize suspension active sludge that the suitable growth conditionss such as suitable dissolved oxygen are provided for ammonia oxidation bacteria growth, utilize fixing filler to provide adapt circumstance for anaerobic ammonoxidation bacterium concentrating, avoid dissolved oxygen too high in the mud flco restraining effect to anaerobic ammonia oxidizing bacteria.SBBR reactor is removed the total nitrogen in sewage based on Anammox technology, without the need for machine thing as denitrifying carbon source.
4) operation energy consumption of the present utility model reduces, and operation is simple.The utility model adopts short distance nitration-anaerobic ammoxidation autotrophic denitrification Process for Treating Municipal, can save 60% aeration rate; Adopt the microbial film of fixing filler and the technology that suspended sludge combines to realize integral anaerobic ammonia oxidation process, aerating system only need be realized effective mixing of suspended sludge, effectively reduce operation energy consumption, also be conducive to the control of low dissolved axygen and maintain, improved the stability of system operation simultaneously.Adopt SBR technique to carry out Enhanced Biological Phosphorus Removal, anti impulsion load ability is strong, and operation is controlled simple.The utility model is short start time, and parallel-adder settle-out time is long, effective, and has good survivability, and the anti-destruction restore cycle is short.
In sum, utilize the utility model Treating Municipal Sewage, as carbon source, can save 100% organic carbon source without organism, produce few greenhouse gases; Denitrogenation dephosphorizing efficiency is high simultaneously, and operation is simple, and system treatment effect is stable.The municipal effluent water yield is large, and processing costs is high, and the application of this utility model in municipal sewage treatment saved energy and reduce the cost and had extremely important impact whole sewage treatment industry.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation based on Anammox SBR+SBBR municipal effluent high-performance bio treatment unit of the utility model.
Fig. 2 is the SBR dephosphorization organic matter removal reactor change curve of 82 cycles of operation to nitrogen removal effect continuously.
Fig. 3 is the SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor change curve of 82 cycles of operation to nitrogen removal effect continuously.
Fig. 4 is the technique change curve of 82 cycles of operation to phosphorus and COD removal effect continuously for this reason.
---municipal effluent raw water box, 2---SBR dephosphorization organic matter removal reaction 2,3---intermediate water tank, 4---SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor in Fig. 1: 1; 1.1---upflow tube, 1.2---blow-down pipe, 1.3---SBR intake pump; 2.1---speed governing agitator, 2.2---water discharge valve, 2.3---mud valve, 2.4---diaphragm aeration head, 2.5---air volume regulating valve, 2.6---gas blower, 2.7---gas meter; 3.1---upflow tube, 3.2---blow-down pipe, 3.3---SBBR intake pump; 4.1---water discharge valve, 4.2---mud valve, 4.3---diaphragm aeration head, 4.4---air volume regulating valve, 4.5---fixing filler.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further, but the utility model is not limited to following examples.
A kind of device based on the processing of Anammox SBR+SBBR municipal effluent high-performance bio is provided with municipal effluent raw water box 1, SBR dephosphorization organic matter removal reactor 2, intermediate water tank 3, SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor 4 as shown in Figure 1; What municipal effluent raw water box stored is the preliminary sedimentation tank sewage of municipal wastewater treatment plant, and main pollution substance is organism and ammonia nitrogen; Municipal effluent raw water box 1 is provided with upflow tube 1.1 and blow-down pipe 1.2; Municipal effluent raw water box 1 is connected with SBR dephosphorization organic matter removal reactor 2 water inlet pipes by SBR intake pump 1.3; SBR dephosphorization organic matter removal reactor 2 is provided with speed governing agitator 2.1, water discharge valve 2.2, mud valve 2.3, diaphragm aeration head 2.4, air volume regulating valve 2.5 gas blowers 2.6 and gas meter 2.7; SBR dephosphorization organic matter removal reactor 2 rising pipes are connected with intermediate water tank 3; Intermediate water tank 3 is provided with upflow tube 3.1 and blow-down pipe 3.2; Intermediate water tank 3 is connected with SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor 4 by SBBR intake pump 3.3; SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor 4 is provided with the fixing filler 4.5 of regular cube shape that water discharge valve 4.1, mud valve 4.2, diaphragm aeration head 4.3, air volume regulating valve 4.4 and the length of side are 0.5-1.5cm.
Test adopts the Primary Settling Tanks of Municipal Wastewater Treatment Plant water outlet of Beijing Gaobeidian City as former water, and concrete water quality is as follows: COD concentration is 160-250mg/L; NH
+ 4-N concentration is 32.46-58mg/L, NO
2 --N≤0.25mg/L, NO
- 3-N≤1mg/L.As shown in Figure 1, each reactor all adopts synthetic glass to make to pilot system, and SBR dephosphorization organic matter removal reactor effective volume is 120L; SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor useful volume is 120L.
Concrete operation is as follows:
1) seed sludge and unloading phase: SBR dephosphorization organic matter removal reactor inoculation municipal wastewater treatment plant second pond returned sluge, makes sludge concentration in 5g/L left and right.SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor is according to the short distance nitration mud of volume ratio 1:1 inoculation municipal wastewater treatment plant second pond returned sluge and steady running, make sludge concentration in 2.5g/L left and right, and inoculate from getting appropriate biofilm packing in the high ammonia-nitrogen wastewater anaerobic ammonia oxidation reactor of steady running, packing volume accounts for 10% of total reactor volume.
2) normal operating phase:
2.1SBR dephosphorization organic matter removal reactor 2 operation scheme are, the 60L(reactor volume 120L of first intaking, draining ratio is 50%), stirring at low speed 30min, aeration 90min, quiescent setting 10-30min, draining 60L.Make Dissolved Oxygen concentration Control at 3-5mg/L at aerobic stage; Hydraulic detention time HRT is controlled at 4h; Sludge retention time is controlled at 4d.
2.2SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor 4 operation scheme are, reactor 2 water outlet 60L enter reactor 4(reactor volume 120L, and draining ratio is 50%).The valve of adjusting aerating pipelines carries out low-oxygen aeration 210min, and the dissolved oxygen in control reactor, at 0.1-0.3mg/L, guarantees that mud more fully suspends at reactor, does not occur short stream and dead band simultaneously.Quiet heavy 15-30min afterwards, finally by water discharge valve draining 60L.Hydraulic detention time HRT is 7h;
2.3SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor 4, if ammonia nitrogen concentration is lower than 5mg/L when aeration finishes, reduces system aeration time.If ammonia nitrogen concentration is higher than 5mg/L when aeration finishes, increase system aeration time.Until being less than 5, system water outlet ammonia nitrogen concentration is greater than 0.5mg/L, in case substrate concn occurred that aeration phenomenon affected ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria activity when too low simultaneously.
Test-results shows, as shown in Figure 2 and Figure 3, stable after, SBR dephosphorization organic matter removal reactor water outlet phosphate concn 0.01-0.22mg/L.SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor water outlet ammonia nitrogen concentration 0.44-7.63mg/L, water outlet nitrous concentration 0-0.67mg/L, water outlet nitre nitrogen concentration 0.68-4.77mg/L, water outlet total nitrogen is lower than 15mg/L.82 cycles of operation are seen Fig. 4 to the change curve of phosphorus and COD removal effect to this technique continuously.
Wherein in Fig. 3 about 45 cycles time because instrument failure takes out in SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor after microbial film and mud two days, the very short cycle of operation returns to good state again.
Claims (2)
1. the SBR+SBBR municipal effluent high-performance bio treatment unit based on Anammox, it is characterized in that, mainly comprise municipal effluent raw water box (1), SBR dephosphorization organic matter removal reactor (2), intermediate water tank (3), SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4); What municipal effluent raw water box stored is the preliminary sedimentation tank sewage of municipal wastewater treatment plant, and main pollution substance is organism and ammonia nitrogen; Municipal effluent raw water box (1) is provided with upflow tube (1.1) and blow-down pipe (1.2); Municipal effluent raw water box (1) is connected with SBR dephosphorization organic matter removal reactor (2) water inlet pipe by SBR intake pump (1.3); SBR dephosphorization organic matter removal reactor (2) is provided with speed governing agitator (2.1), water discharge valve (2.2), mud valve (2.3), diaphragm aeration head (2.4), air volume regulating valve (2.5), gas blower (2.6) and gas meter (2.7); SBR dephosphorization organic matter removal reactor (2) rising pipe is connected with intermediate water tank (3); Intermediate water tank (3) is provided with upflow tube (3.1) and blow-down pipe (3.2); Intermediate water tank (3) is connected with SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4) by SBBR intake pump (3.3); SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4) is provided with water discharge valve (4.1), mud valve (4.2), diaphragm aeration head (4.3), air volume regulating valve (4.4), in SBBR short distance nitration-anaerobic ammoxidation combined biofilm reactor (4), be fixed with the fixing filler (4.5) of dispersion, fixing filler is the matrix material of sea and PE material composition.
2. according to the device of claim 1, it is characterized in that, the sponge in fixing filler is that the length of side is the cubic material of 0.5-1.5cm, and PE is cylindric material.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601341A (en) * | 2013-11-22 | 2014-02-26 | 北京工业大学 | SBR (Sequencing Batch Reactor) and SBBR (Sequencing Biofilm Batch Reactor) municipal sewage high-efficiency biological treatment method and device based on anaerobic ammonia oxidation |
| CN106006974A (en) * | 2016-07-22 | 2016-10-12 | 沈阳建筑大学 | Shortcut nitrification and denitrification dephosphorization coupling device and method |
| CN109502748A (en) * | 2018-11-20 | 2019-03-22 | 江苏科技大学 | Based on nitrosation-anaerobic ammoxidation-induction crystallization phosphorus recycling sewage disposal system and method |
| CN113184996A (en) * | 2021-05-27 | 2021-07-30 | 中国科学院生态环境研究中心 | Self-control-based integrated autotrophic nitrogen removal coupled biological phosphorus removal method and device |
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2013
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601341A (en) * | 2013-11-22 | 2014-02-26 | 北京工业大学 | SBR (Sequencing Batch Reactor) and SBBR (Sequencing Biofilm Batch Reactor) municipal sewage high-efficiency biological treatment method and device based on anaerobic ammonia oxidation |
| CN103601341B (en) * | 2013-11-22 | 2015-05-20 | 北京工业大学 | SBR (Sequencing Batch Reactor) and SBBR (Sequencing Biofilm Batch Reactor) municipal sewage high-efficiency biological treatment method and device based on anaerobic ammonia oxidation |
| CN106006974A (en) * | 2016-07-22 | 2016-10-12 | 沈阳建筑大学 | Shortcut nitrification and denitrification dephosphorization coupling device and method |
| CN109502748A (en) * | 2018-11-20 | 2019-03-22 | 江苏科技大学 | Based on nitrosation-anaerobic ammoxidation-induction crystallization phosphorus recycling sewage disposal system and method |
| CN109502748B (en) * | 2018-11-20 | 2021-05-25 | 江苏科技大学 | Sewage treatment system and method based on nitrosation-anaerobic ammonium oxidation-induced crystallized phosphorus recovery |
| CN113184996A (en) * | 2021-05-27 | 2021-07-30 | 中国科学院生态环境研究中心 | Self-control-based integrated autotrophic nitrogen removal coupled biological phosphorus removal method and device |
| CN113184996B (en) * | 2021-05-27 | 2022-08-30 | 中国科学院生态环境研究中心 | Self-control-based integrated autotrophic nitrogen removal coupled biological phosphorus removal method and device |
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