CN103663681A - Device and method for utilizing carbon source in sludge to treat urban sewage through in-depth nitrogen and phosphorus removal by SBR (sequencing batch reactor) - Google Patents
Device and method for utilizing carbon source in sludge to treat urban sewage through in-depth nitrogen and phosphorus removal by SBR (sequencing batch reactor) Download PDFInfo
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- CN103663681A CN103663681A CN201310687338.4A CN201310687338A CN103663681A CN 103663681 A CN103663681 A CN 103663681A CN 201310687338 A CN201310687338 A CN 201310687338A CN 103663681 A CN103663681 A CN 103663681A
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- 239000010802 sludge Substances 0.000 title claims abstract description 65
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 51
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 36
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 28
- 239000011574 phosphorus Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 19
- 238000012163 sequencing technique Methods 0.000 title 1
- 238000000855 fermentation Methods 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 230000004151 fermentation Effects 0.000 claims abstract description 42
- 238000000926 separation method Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000004666 short chain fatty acids Chemical class 0.000 claims abstract description 11
- 238000005273 aeration Methods 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000011081 inoculation Methods 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 159000000003 magnesium salts Chemical class 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000006213 oxygenation reaction Methods 0.000 claims description 3
- 150000003016 phosphoric acids Chemical class 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 abstract description 19
- 235000021391 short chain fatty acids Nutrition 0.000 abstract description 2
- 230000001546 nitrifying effect Effects 0.000 abstract 1
- 229920000388 Polyphosphate Polymers 0.000 description 10
- 229920000037 Polyproline Polymers 0.000 description 10
- 239000001205 polyphosphate Substances 0.000 description 10
- 235000011176 polyphosphates Nutrition 0.000 description 10
- 238000006396 nitration reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 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
- 238000012544 monitoring process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
本发明公开了SBR利用污泥内碳源处理城市生活污水深度脱氮除磷的装置和方法。装置包括：污泥发酵罐、发酵液分离池、发酵液脱氮除磷池、碳源储备箱、城市污水箱、厌氧/好氧/缺氧SBR，其中污泥发酵罐为一密闭池体，设有搅拌器；厌氧/好氧/缺氧SBR为敞开池体，设有搅拌器、曝气装置。方法为：城市污水进入SBR反应器，一个周期内首先厌氧下聚磷菌利用原水中的碳源进行厌氧释磷，接着好氧下硝化菌进行硝化反应、聚磷菌吸磷，最后缺氧下反硝化菌利用污泥厌氧发酵产生的富含短链脂肪酸的发酵液进行反硝化，重复以上过程，去除城市污水中的氮、磷。本发明无需外加碳源，利用城市污水及发酵液中的碳源进行脱氮除磷，减低成本并使污泥减量。
The invention discloses a device and a method for deep denitrification and dephosphorization of urban domestic sewage treated by an SBR using a carbon source in sludge. The device includes: sludge fermentation tank, fermentation liquid separation tank, fermentation liquid denitrification and phosphorus removal tank, carbon source storage tank, urban sewage tank, anaerobic/aerobic/anoxic SBR, wherein the sludge fermentation tank is a closed pool , equipped with agitator; anaerobic/aerobic/anoxic SBR is an open pool body, equipped with agitator and aeration device. The method is: urban sewage enters the SBR reactor. In one cycle, the anaerobic phosphorus accumulating bacteria use the carbon source in the raw water for anaerobic phosphorus release, and then the aerobic nitrifying bacteria perform nitrification reaction, and the phosphorus accumulating bacteria absorb phosphorus. Denitrification bacteria under oxygen use the fermentation liquid rich in short-chain fatty acids produced by anaerobic fermentation of sludge to denitrify, and repeat the above process to remove nitrogen and phosphorus in urban sewage. The invention does not need an external carbon source, and uses the carbon source in urban sewage and fermented liquid to carry out nitrogen and phosphorus removal, thereby reducing the cost and reducing the amount of sludge.
Description
Technical field
The present invention relates to SBR and utilize sludge internal carbon source to process the apparatus and method of city domestic sewage advanced nitrogen dephosphorization, belong to mud and sewage processing technology field.
Background technology
Traditional anoxic anaerobism in aerobic SBR, denitrifying bacterium preferentially utilizes carbon source to carry out denitrification, and when anaerobism, polyP bacteria is often released the reduction of phosphorus effect because of the shortage of carbon source, and also the aerobic suction phosphorus of polyP bacteria is restricted thus, when aerobic in addition, nitrifier carries out nitration reaction, i.e. NH
4 +-N is oxidized to NO
2 --N, NO
3 --N, though ammonia nitrogen has reduced in water outlet, TN is still very high, is difficult to reach one-level A standard, wants advanced nitrogen dephosphorization, need add outer carbon source, this has increased running cost undoubtedly.
Short chain fatty acid is the high-quality carbon source of biological carbon and phosphorous removal, during sludge anaerobic fermentation, can produce a large amount of short chain fatty acids, and this short chain fatty acid can replace additional carbon to remove ammonia nitrogen and the phosphorus of sewage for sewage treatment process, yet follow the generation of short chain fatty acid, sludge fermentation process can discharge ammonia nitrogen and the phosphorus of higher concentration, for avoiding increasing technical load, when using fermented liquid as carbon source, need to remove ammonia nitrogen and phosphorus wherein.
Therefore the present invention utilizes the sludge fermentation liquid carbon source of removing ammonia nitrogen and phosphorus that nitrogen is removed by rear-mounted denitrification, when the lower cycle will start, denitrifying bacteria is no longer fought for carbon source with polyP bacteria, polyP bacteria just can utilize the carbon source in municipal effluent to release phosphorus, finally reaches not only without additional carbon but also object that can advanced nitrogen dephosphorization.
Summary of the invention
Object of the present invention is exactly for improving low C/N/P domestic sewage denitrifying effect, reduce running cost, has proposed the apparatus and method that SBR utilizes the dephosphorization of sludge internal carbon source Treating Municipal Sewage advanced nitrogen.In these apparatus and method, municipal effluent enters aerobic/anaerobic/anoxic sbr reactor device, in one-period, first polyP bacteria utilizes the carbon source in former water to carry out anaerobic phosphorus release under anaerobism, follow aerobic lower nitrifier and carry out nitration reaction, polyP bacteria suction phosphorus, under last anoxic, denitrifying bacteria utilizes the raw fermented liquid that is rich in short chain fatty acid of sludge anaerobic fermentation to produce to carry out denitrification, repeat above process, remove nitrogen, phosphorus in municipal effluent.
The object of the invention is to solve by following solution: the device characteristic that SBR utilizes sludge internal carbon source to process the dephosphorization of city domestic sewage advanced nitrogen is: be provided with sludge fermentation tank 1, separation of fermentative broth pond 2, fermented liquid denitrogenation dephosphorizing pond 3, carbon source reserve tank 4, municipal effluent case 5, aerobic/anaerobic/anoxic sbr reactor device 6.
Described sludge fermentation tank 1 is an airtight pond body, is provided with the first agitator 1.1, the one pH probes 1.2, by shore pipe, is connected with separation of fermentative broth pond 2;
Described separation of fermentative broth pond 2 is connected with fermented liquid denitrogenation dephosphorizing pond 3 by row's fermented liquid pipe;
Described fermented liquid denitrogenation dephosphorizing pond 3 is provided with the second agitator 3.1, by liquid discharge pipe, is connected with carbon source reserve tank 4;
Described carbon source reserve tank 4 is an airtight casing, by the first intake pump 4.1, is connected with aerobic/anaerobic/anoxic sbr reactor device 6;
Described municipal effluent case 5 is connected with aerobic/anaerobic/anoxic sbr reactor device 6 by the second intake pump 5.1;
Described aerobic/anaerobic/anoxic sbr reactor device 6 is a unlimited reactor, be provided with the 2nd pH probe 6.1, dissolved oxygen probe 6.2, the 3rd agitator 6.3, the aerating system consisting of air compressor machine 6.4, gas meter 6.5, aeration head 6.6 carries out oxygenation to aerobic/anaerobic/anoxic sbr reactor device, by sludge pipe, is connected with sludge fermentation tank 1.
Municipal effluent, the treatment scheme of mud in this device are: the excess sludge of SBR discharge enters the fermentation of sludge fermentation tank, according to SRT discharge fermenting mixture to separation of fermentative broth pond, carry out mud-water separation, high fermentation liquid after separation enters fermented liquid denitrogenation dephosphorizing pond and removes ammonia nitrogen and the phosphorus in fermented liquid, and the fermented liquid that is rich in afterwards short chain fatty acid enters in carbon source reserve tank for aerobic/anaerobic/anoxic sbr reactor device; Municipal effluent enters aerobic/anaerobic/anoxic sbr reactor device, in one-period, first polyP bacteria utilizes the carbon source in former water to carry out anaerobic phosphorus release under anaerobism, follow aerobic lower nitrifier and carry out nitration reaction, polyP bacteria suction phosphorus, under last anoxic, denitrifying bacteria utilizes the raw fermented liquid that is rich in short chain fatty acid of sludge anaerobic fermentation to produce to carry out denitrification.
SBR utilizes sludge internal carbon source to process the method for city domestic sewage advanced nitrogen dephosphorization, it is characterized in that comprising following content:
1) unloading phase: inoculation denitrogenation dephosphorizing mud, to SBR, is controlled sludge concentration at 1500-2500mg/L; The excess sludge that is 6000-8000mg/L by concentration is added to sludge fermentation tank anaerobism and stirs, and controlled fermentation pH is at 9-10, temperature 25-30 ℃.
2) operation phase:
Sludge fermentation tank: control sludge retention time SRT at 6-8d, enter mud concentration at 6000-8000mg/L mg/L, pH is at 9-10 in fermentation, temperature is at 25-30 ℃, according to SRT discharge fermenting mixture to separation of fermentative broth pond, carry out mud-water separation, high fermentation liquid after separation enters fermented liquid denitrogenation dephosphorizing pond, according to the content of ammonia nitrogen and phosphorus in fermented liquid denitrogenation dephosphorizing pond, add wherein magnesium salts and phosphoric acid salt, make Mg:P:N mol ratio=1.2:0.8:1 to remove ammonia nitrogen and the phosphorus in fermented liquid, the fermented liquid that is rich in afterwards short chain fatty acid enters in carbon source reserve tank for aerobic/anaerobic/anoxic sbr reactor device.
Aerobic/anaerobic/anoxic sbr reactor device: after municipal effluent enters, first anaerobism stirs, and follows aerobic stirring, control dissolved oxygen concentration at 2-4mg/L, then stop aeration and will in the fermented liquid input reaction in carbon source reserve tank, continue to stir, then standing draining, finally idle.Control draining ratio at 0.4-0.6, in reactor, sludge concentration is at 1500-2500mg/L, and sludge age is at 10-15d, and the mud of discharge is as the mud source of sludge fermentation tank.
The apparatus and method that SBR of the present invention utilizes sludge internal carbon source to process the dephosphorization of city domestic sewage advanced nitrogen have the following advantages:
1) without additional carbon, utilize sludge internal carbon source to carry out denitrification denitrogenation, reduced running cost;
2) by rear-mounted denitrification, utilize the sludge fermentation liquid carbon source of removing ammonia nitrogen and phosphorus that nitrogen is removed, when the lower cycle will start, denitrifying bacteria is no longer fought for carbon source with polyP bacteria, and polyP bacteria just can utilize the carbon source in municipal effluent to release phosphorus;
3) mud of aerobic/anaerobic/anoxic sbr reactor device discharge, directly as the mud source of sludge fermentation tank, is realized self sludge carbon source exploitation, simultaneously mud decrement.
Accompanying drawing explanation
Fig. 1 is that SBR of the present invention utilizes sludge internal carbon source to process the apparatus structure schematic diagram of city domestic sewage advanced nitrogen dephosphorization.
In figure, 1 is that sludge fermentation tank, 2 is that separation of fermentative broth pond, 3 is that fermented liquid denitrogenation dephosphorizing pond, 4 is that carbon source reserve tank, 5 is that municipal effluent case, 6 is aerobic/anaerobic/anoxic sbr reactor device; 1.1 is that the first agitator, 1.2 is a pH probe; 3.1 is the second agitator; 4.1 is the first intake pump; 5.1 is the second intake pump; 6.1 is that the 2nd pH probe, 6.2 is that dissolved oxygen probe, 6.3 is that the 3rd agitator, 6.4 is that air compressor machine, 6.5 is that gas meter, 6.6 is aeration head.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described: the device that SBR utilizes sludge internal carbon source to process the dephosphorization of city domestic sewage advanced nitrogen is provided with sludge fermentation tank 1, separation of fermentative broth pond 2, fermented liquid denitrogenation dephosphorizing pond 3, carbon source reserve tank 4, municipal effluent case 5, aerobic/anaerobic/anoxic sbr reactor device 6.
Described sludge fermentation tank 1 is an airtight pond body, is provided with the first agitator 1.1, the one pH probes 1.2, by shore pipe, is connected with separation of fermentative broth pond 2;
Described separation of fermentative broth pond 2 is connected with fermented liquid denitrogenation dephosphorizing pond 3 by row's fermented liquid pipe;
Described fermented liquid denitrogenation dephosphorizing pond 3 is provided with the second agitator 3.1, by liquid discharge pipe, is connected with carbon source reserve tank 4;
Described carbon source reserve tank 4 is an airtight casing, by the first intake pump 4.1, is connected with aerobic/anaerobic/anoxic sbr reactor device 6;
Described municipal effluent case 5 is connected with aerobic/anaerobic/anoxic sbr reactor device 6 by the second intake pump 5.1;
Described aerobic/anaerobic/anoxic sbr reactor device 6 is a unlimited reactor, be provided with the 2nd pH probe 6.1, dissolved oxygen probe 6.2, the 3rd agitator 6.3, the aerating system consisting of air compressor machine 6.4, gas meter 6.5, aeration head 6.6 carries out oxygenation to aerobic/anaerobic/anoxic sbr reactor device, by sludge pipe, is connected with sludge fermentation tank 1.
Test adopts Beijing University of Technology's dependents' district sanitary sewage as former water, and concrete water quality is as follows: COD concentration is 120-200mg/L;
-N concentration is 50-67mg/L,
-N≤0.5mg/L,
-N≤0.5mg/L.As shown in Figure 1, each reactor all adopts synthetic glass to make to pilot system, and SBR effective volume is 30L, sludge fermentation tank effective volume 4L.
Concrete operations are as follows:
1) unloading phase: inoculation denitrogenation dephosphorizing mud, to SBR, is controlled sludge concentration at 2000mg/L; The excess sludge that is 6000mg/L by concentration is added to sludge fermentation tank anaerobism and stirs, and controlled fermentation pH is at 9-10, temperature 25-30 ℃.
2) operation phase:
Sludge fermentation tank: control sludge retention time SRT at 8d, enter mud concentration at 6000mg/L, entering mud volume is 500mL, pH is at 9-10 in fermentation, temperature is at 25-30 ℃, according to SRT, discharge fermenting mixture to the separation of fermentative broth pond of 500mL every day and carry out mud-water separation, high fermentation liquid after separation enters fermented liquid denitrogenation dephosphorizing pond, add magnesium salts wherein and phosphoric acid salt makes Mg:P:N=1.2:0.8:1, remove ammonia nitrogen and phosphorus in fermented liquid, the fermented liquid that is rich in afterwards short chain fatty acid enters in carbon source reserve tank for aerobic/anaerobic/anoxic sbr reactor device.
Aerobic/anaerobic/anoxic sbr reactor device: start the second water pump 12L municipal effluent is squeezed into reactor, first anaerobism stirs 1h, follows aerobic stirring 2h, controls dissolved oxygen concentration at 2-4mg/L, then stops aeration, in on-line monitoring reactor
-N and
the concentration of-N, according to 1g
-N needs 1.72gCOD, 1g
-N needs the relation of 2.85gCOD, by the second water pump, by the fermented liquid input reactor in carbon source reserve tank, continues to stir 1.5h, then draining after standing 30min, finally idle 1h.Control draining ratio 0.4, in reactor, sludge concentration is at 2000mg/L, and sludge age is at 12d, and the mud of discharge is as the mud source of sludge fermentation tank.
Test-results shows: after stable, SBR effluent COD concentration is 36-53mg/L,
-N concentration 0.3-0.7mg/L,
-N concentration is 0.3-0.7mg/L,
-N concentration is 0.2-0.8mg/L, PO
4 3--P concentration is 0.2-0.4mg/L; Sludge fermentation is produced acid amount at 800-1000mg/L, mud decrement 30%.
Claims (2)
1.SBR utilizes sludge internal carbon source to process the device of city domestic sewage advanced nitrogen dephosphorization, it is characterized in that being provided with sludge fermentation tank (1), separation of fermentative broth pond (2), fermented liquid denitrogenation dephosphorizing pond (3), carbon source reserve tank (4), municipal effluent case (5), aerobic/anaerobic/anoxic sbr reactor device (6);
Described sludge fermentation tank (1) is an airtight pond body, is provided with the first agitator (1.1), and a pH probe (1.2), is connected with separation of fermentative broth pond (2) by shore pipe;
Described separation of fermentative broth pond (2) is connected with fermented liquid denitrogenation dephosphorizing pond (3) by row's fermented liquid pipe;
Described fermented liquid denitrogenation dephosphorizing pond (3) is provided with the second agitator (3.1), by liquid discharge pipe, is connected with carbon source reserve tank (4);
Described carbon source reserve tank (4) is an airtight casing, by the first intake pump (4.1), is connected with aerobic/anaerobic/anoxic sbr reactor device (6);
Described municipal effluent case (5) is connected with aerobic/anaerobic/anoxic sbr reactor device (6) by the second intake pump (5.1);
Described aerobic/anaerobic/anoxic sbr reactor device (6) is a unlimited reactor, be provided with the 2nd pH probe (6.1), dissolved oxygen probe (6.2), the 3rd agitator (6.3), the aerating system consisting of air compressor machine (6.4), gas meter (6.5), aeration head (6.6) carries out oxygenation to aerobic/anaerobic/anoxic sbr reactor device, by sludge pipe, is connected with sludge fermentation tank (1).
2. the method that device carries out advanced nitrogen dephosphorization according to claim 1, is characterized in that comprising following content:
1) unloading phase: inoculation denitrogenation dephosphorizing mud, to aerobic/anaerobic/anoxic sbr reactor device, is controlled sludge concentration at 1500-2500mg/L; The excess sludge that is 6000-8000mg/L by concentration is added to sludge fermentation tank anaerobism and stirs, and controlled fermentation pH is at 9-10, temperature 25-30 ℃;
2) operation phase:
Sludge fermentation tank: control sludge retention time SRT at 6-8d, enter mud concentration at 6000-8000mg/Lmg/L, pH is at 9-10 in fermentation, temperature is at 25-30 ℃, according to SRT discharge fermenting mixture to separation of fermentative broth pond, carry out mud-water separation, high fermentation liquid after separation enters fermented liquid denitrogenation dephosphorizing pond, according to the content of ammonia nitrogen and phosphorus in fermented liquid denitrogenation dephosphorizing pond, add wherein magnesium salts and phosphoric acid salt, make Mg:P:N mol ratio=1.2:0.8:1 to remove ammonia nitrogen and the phosphorus in fermented liquid, the fermented liquid that is rich in afterwards short chain fatty acid enters in carbon source reserve tank for aerobic/anaerobic/anoxic sbr reactor device,
Aerobic/anaerobic/anoxic sbr reactor device: after municipal effluent enters, first anaerobism stirs, and follows aerobic stirring, control dissolved oxygen concentration at 2-4mg/L, then stop aeration and will in the fermented liquid input reaction in carbon source reserve tank, continue to stir, then standing draining, finally idle; Control draining ratio at 0.4-0.6, in reactor, sludge concentration is at 1500-2500mg/L, and sludge age is at 10-15d, and the mud of discharge is as the mud source of sludge fermentation tank.
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|---|---|---|---|---|
| CN104944704A (en) * | 2015-06-23 | 2015-09-30 | 北京工业大学 | Device and method for achieving low-carbon-nitrogen-ratio urban sewage simultaneous phosphorus and nitrogen removal without external carbon source |
| CN105016470A (en) * | 2015-08-28 | 2015-11-04 | 北京工业大学 | Method for realizing advanced nitrogen and phosphorus removal of low C/N and C/P municipal sewage through excess sludge anaerobic fermentation mixture |
| CN106219872A (en) * | 2016-08-12 | 2016-12-14 | 同济大学 | The processing method of organic wastewater and organic wastewater treating system |
| CN107285462A (en) * | 2017-04-25 | 2017-10-24 | 中国科学院城市环境研究所 | A kind of method that nitrous acid sludge melts the processing of cytosol integral bio |
| CN107601765A (en) * | 2017-09-30 | 2018-01-19 | 中国化学工程第六建设有限公司 | The method of bioprocessing industry waste water |
| CN109867359A (en) * | 2019-04-03 | 2019-06-11 | 北京工业大学 | Utilize the method and apparatus of sludge fermentation mixture short-cut nitrification and denitrification coupling unit Anammox advanced nitrogen |
| CN110002590A (en) * | 2019-05-05 | 2019-07-12 | 北京工业大学 | The device and method of synchronous short-cut nitrification and denitrification dephosphorization are realized under conditions of intermittent aerating using sludge fermentation object |
| CN115974274A (en) * | 2022-09-05 | 2023-04-18 | 可事托环保设备（上海）有限公司 | Device for water inlet distribution and concentrated sludge fermentation to strengthen MSBR (moving sludge recovery) system |
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Cited By (13)
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| CN104944704A (en) * | 2015-06-23 | 2015-09-30 | 北京工业大学 | Device and method for achieving low-carbon-nitrogen-ratio urban sewage simultaneous phosphorus and nitrogen removal without external carbon source |
| CN105016470A (en) * | 2015-08-28 | 2015-11-04 | 北京工业大学 | Method for realizing advanced nitrogen and phosphorus removal of low C/N and C/P municipal sewage through excess sludge anaerobic fermentation mixture |
| CN106219872A (en) * | 2016-08-12 | 2016-12-14 | 同济大学 | The processing method of organic wastewater and organic wastewater treating system |
| CN106219872B (en) * | 2016-08-12 | 2019-05-14 | 同济大学 | The processing method and organic wastewater treating system of organic wastewater |
| CN107285462B (en) * | 2017-04-25 | 2020-05-15 | 中国科学院城市环境研究所 | A kind of integrated biological treatment method of nitrous sludge melt cell solution |
| CN107285462A (en) * | 2017-04-25 | 2017-10-24 | 中国科学院城市环境研究所 | A kind of method that nitrous acid sludge melts the processing of cytosol integral bio |
| CN107601765A (en) * | 2017-09-30 | 2018-01-19 | 中国化学工程第六建设有限公司 | The method of bioprocessing industry waste water |
| CN109867359A (en) * | 2019-04-03 | 2019-06-11 | 北京工业大学 | Utilize the method and apparatus of sludge fermentation mixture short-cut nitrification and denitrification coupling unit Anammox advanced nitrogen |
| CN109867359B (en) * | 2019-04-03 | 2021-11-26 | 北京工业大学 | Method and device for coupling partial anaerobic ammonia oxidation deep denitrification by sludge fermentation mixture shortcut nitrification and denitrification |
| CN110002590A (en) * | 2019-05-05 | 2019-07-12 | 北京工业大学 | The device and method of synchronous short-cut nitrification and denitrification dephosphorization are realized under conditions of intermittent aerating using sludge fermentation object |
| CN110002590B (en) * | 2019-05-05 | 2021-10-01 | 北京工业大学 | Apparatus and method for realizing simultaneous short-range nitrification and denitrification phosphorus removal using sludge fermentation products under intermittent aeration conditions |
| CN115974274A (en) * | 2022-09-05 | 2023-04-18 | 可事托环保设备（上海）有限公司 | Device for water inlet distribution and concentrated sludge fermentation to strengthen MSBR (moving sludge recovery) system |
| CN115974274B (en) * | 2022-09-05 | 2024-03-22 | 可事托环保设备（上海）有限公司 | Device for strengthening MSBR system by water inlet distribution and concentrated sludge fermentation |
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