CN103601293B - Tower-type bioreactor synchronously removing carbon, nitrogen and sulfur - Google Patents
Tower-type bioreactor synchronously removing carbon, nitrogen and sulfur Download PDFInfo
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- CN103601293B CN103601293B CN201310470142.XA CN201310470142A CN103601293B CN 103601293 B CN103601293 B CN 103601293B CN 201310470142 A CN201310470142 A CN 201310470142A CN 103601293 B CN103601293 B CN 103601293B
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 49
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 21
- 229910052717 sulfur Inorganic materials 0.000 title abstract 3
- 239000011593 sulfur Substances 0.000 title abstract 3
- 238000005273 aeration Methods 0.000 claims abstract description 19
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 230000001651 autotrophic effect Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000005864 Sulphur Substances 0.000 claims description 18
- 238000012856 packing Methods 0.000 claims description 10
- 238000006396 nitration reaction Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 239000002351 wastewater Substances 0.000 description 12
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 8
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 241001509286 Thiobacillus denitrificans Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-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
- 241001453382 Nitrosomonadales Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a tower-type bioreactor synchronously removing carbon, nitrogen and sulfur. The bioreactor comprises a reactor body. The reactor body is divided from bottom to top an anaerobic zone, an anoxic zone and an aerobic zone. A plurality of baffles which are vertically staggered are disposed in the anaerobic zone, the anoxic zone and the aerobic zone. The right side of the anaerobic zone is provided with a filling-material bed. Anaerobic ammonium-oxidizing granular sludge and autotrophic/heterotrophic denitrifying granular sludge are respectively added into the anaerobic zone and the anoxic zone. A shortcut nitrification light biological carrier is added into the aerobic zone and the aerobic zone is provided with a plurality of groups of aeration systems. The right side of the anoxic zone is communicated with the aerobic zone through gaps. According to the bioreactor, synchronous removal of the carbon, the nitrogen and the sulfur can be achieved in the single bioreactor. The bioreactor is compact in structure and can recover elemental sulfur resource.
Description
Technical field
The present invention relates to one and synchronously remove carbon, nitrogen, sulphur tower biological reactor.
Background technology
Along with socioeconomic development, be rich in the complicated waste water of organism, ammonia nitrogen and sulfide in a large number, as chemical production wastewater, processing of farm products waste water, anaerobic digestion solution etc., enter in natural water, cause very serious water pollution problems.
Simultaneously containing the traditional biological treatment technology mainly multistep combination process of organism, ammonia nitrogen and waste water sulfide.Organism in waste water is removed mainly through anaerobic digestion oxygen activity sludge processes of becoming reconciled; Ammonia nitrogen pollutant is removed mainly through biological process, conventional biological treatment mainly nitrification-denitrification technique; The traditional treatment method of sulfide mainly contains air-extraction, the chemical precipitation method of additional slaked lime and aerobic oxidation method.
Over nearly 20 years, various new denitrogenation and sulphur removal coupling technique are emerged in large numbers in the world.First short-cut nitrification-denitrification technique, this technique not only saves considerable aeration energy consumption in short distance nitration operation, can also realize the synchronous removal of carbon and nitrogen in the heterotrophic denitrification stage; It two is short distance nitration-anaerobic ammoxidation technique, this technique because of its economical and efficient gradually accept by the public; It three is autotrophic denitrification technique, this technology utilization functional microorganism thiobacillus denitrificans (Thiobacillus denitrificans) under anoxic conditions, with nitrate or nitrite for electron acceptor(EA), take sulfide as electron donor, carry out autotrophic denitrification effect, not only realize the synchronous removal of nitrogen and sulphur, elemental sulfur resource can also be reclaimed.
If above-mentioned novel process is organically combined, both the aeration energy consumption of traditional aerobic decarbonizing technology and complete nitrification technique can have been reduced, also using sulfide as auxiliary electron donor in denitrification process, the problem of carbon source deficiency can be solved, reaches the ideal effect of waste recycling, refuse Multi-class propagation.
Summary of the invention
In order to overcome the shortcoming of existing tower biological reactor function singleness, the invention provides a kind of synchronous removal carbon, nitrogen, the sulphur tower biological reactor that realize autotrophic denitrification, heterotrophic denitrification, short distance nitration, the coupling of Anammox multi-step process.
The present invention is by configuration setting cleverly, in single tower biological reactor, realize the coupling of autotrophic denitrification, heterotrophic denitrification, short distance nitration, Anammox multi-step process, carbon in waste water, nitrogen, amounts of sulphur contaminants are separately converted to carbonic acid gas, nitrogen and elemental sulfur, realize synchronous carbon, nitrogen, removal of sulphur recyclable elemental sulfur resource.
The technical solution used in the present invention is:
One synchronously removes carbon, nitrogen, sulphur tower biological reactor, comprise reactor body, base, vertical rack and horizontal stand, described reactor body, vertical rack are all installed on described base, the two ends of described horizontal stand are installed on described vertical rack, it is characterized in that: described reactor body is divided into anaerobic zone, oxygen-starved area and aerobic zone from bottom to top, the inside of anaerobic zone described above, oxygen-starved area and aerobic zone is provided with some pieces of baffle plates and baffle plate described in some pieces shifts to install up and down; The bottom of described anaerobic zone, oxygen-starved area and aerobic zone arranges mud discharging mouth respectively, and the middle lower end of described anaerobic zone, oxygen-starved area and aerobic zone arranges thief hole respectively;
The right side of described anaerobic zone is provided with bed of packings, and the lower end, right side of described bed of packings is provided with total water outlet, and described total water outlet connects rising pipe, and described rising pipe is fixed on described vertical rack by fastening piece;
In the left side of described oxygen-starved area, lower end is provided with total water inlet; Anaerobic ammonium oxidation granular sludge and autotrophy/heterotrophic denitrification granule sludge is added respectively in described anaerobic zone and oxygen-starved area;
Short distance nitration lightweight bio-carrier is added in described aerobic zone, and be provided with some groups of aerating systems, often organize described aerating system by being arranged on the aeration tube on top, aerobic zone and consisting of the aeration head that hollow aeration guide wire is connected with aeration tube, described hollow aeration guide wire is fixed on horizontal stand by fastening piece;
The right side of described oxygen-starved area by breach and aerobic zone through, the left side of described aerobic zone is provided with aerobic zone water outlet, and described aerobic zone water outlet is communicated with oxygen-starved area refluxing opening and anaerobic zone water-in respectively by sewage backflow pipe, anaerobic zone water inlet pipe.
Further, described reactor body is cube structure; The ratio of the length of described reactor body is: 1:0.7 ~ 0.9:3 ~ 4, and the ratio of the volume of described anaerobic zone, oxygen-starved area and aerobic zone is: 1:0.8 ~ 1:1 ~ 1.2.
Further, the length L of described baffle plate
1with the ratio of the height of reactor body be: 1:3.5 ~ 4, the width L of baffle plate
2with the wide ratio of reactor body be: 1:1, the distance L between the baffle plate in described anaerobic zone, oxygen-starved area
3with the length L of baffle plate
1ratio be respectively 1:8 ~ 10; Distance L between described aerobic zone Internal baffle
4with the length L of baffle plate
1ratio be 1:3 ~ 8.
Further, the circular filler of soft polyethylene is set in described bed of packings.
Further, the distance L below described total water outlet bottom reactor body
5with the ratio of the height of reactor body be: 1:25 ~ 30; Described total water inlet lower end is far from the distance L bottom oxygen-starved area
6with the ratio of the height of reactor body be: 1:25 ~ 30.
Further, described water outlet lower end, aerobic zone is far from the distance L bottom oxygen-starved area
7with the ratio of the height of reactor body be: 1:25 ~ 30.
Further, described refluxing opening upper end, oxygen-starved area is far from the distance L at top, oxygen-starved area
8with the ratio of the height of reactor body be: 1:25 ~ 30; Described water-in upper end, anaerobic zone is far from the distance L at top, anaerobic zone
9with the ratio of the height of reactor body be: 1:25 ~ 30.
Beneficial effect of the present invention is embodied in: the synchronous removal 1) completing carbon, nitrogen, amounts of sulphur contaminants in single tower biological reactor, and structure of reactor is compact; 2) recyclable elemental sulfur resource; 3) arrange in reactor in different subregions and each subregion and multistage baffle plate is set, functional segregation and the optimization in each district can be realized; 4) add light carrier in reactor aerobic zone, less aeration rate can realize bed turbulence, and energy consumption is lower.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Embodiment
With reference to Fig. 1, one synchronously removes carbon, nitrogen, sulphur tower biological reactor, comprise reactor body 1, base, vertical rack 2 and horizontal stand, described reactor body 1, vertical rack 2 are all installed on described base, the two ends of described horizontal stand are installed on described vertical rack 2, described reactor body 1 is divided into anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 from bottom to top, and the inside of anaerobic zone 3 described above, oxygen-starved area 4 and aerobic zone 5 is provided with some pieces of baffle plates 6 and baffle plate about 6 described in some pieces shifts to install; The bottom of described anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 arranges mud discharging mouth 7 respectively, and the middle lower end of described anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 arranges thief hole 8 respectively;
The right side of described anaerobic zone 3 is provided with bed of packings 9, and the lower end, right side of described bed of packings 9 is provided with total water outlet 10, and described total water outlet 10 connects rising pipe 11, and described rising pipe 11 is fixed on described vertical rack 2 by fastening piece 12;
In the left side of described oxygen-starved area 4, lower end is provided with total water inlet 13; Anaerobic ammonium oxidation granular sludge and autotrophy/heterotrophic denitrification granule sludge is added respectively in described anaerobic zone 3 and oxygen-starved area 4;
Short distance nitration lightweight bio-carrier is added in described aerobic zone 5, and be provided with three groups of aerating systems, often organize described aerating system by being arranged on the aeration tube 14 on top, aerobic zone 5 and consisting of the aeration head 16 that hollow aeration guide wire 15 is connected with aeration tube 14, described hollow aeration guide wire 15 is fixed on horizontal stand by fastening piece 12;
The right side of described oxygen-starved area 4 is through by breach 17 and aerobic zone 5, the left side of described aerobic zone 5 is provided with aerobic zone water outlet 18, and described aerobic zone water outlet 18 is communicated with oxygen-starved area refluxing opening 20 and anaerobic zone water-in 22 respectively by sewage backflow pipe 19, anaerobic zone water inlet pipe 21.
Further, described reactor body 1 is in cube structure; The ratio of the length of described reactor body 1 is: 1:0.7 ~ 0.9:3 ~ 4, and the ratio of the volume of described anaerobic zone 3, oxygen-starved area 4 and aerobic zone 5 is: 1:0.8 ~ 1:1 ~ 1.2.
Further, the length L of described baffle plate 6
1with the ratio of the height of reactor body be: 1:3.5 ~ 4, the width L of baffle plate 6
2with the wide ratio of reactor body be: 1:1, the distance L between the baffle plate in described anaerobic zone 3, oxygen-starved area 4
3with the length L of baffle plate
1ratio be respectively 1:8 ~ 10; Distance L between described aerobic zone 5 Internal baffle
4with the length L of baffle plate
1ratio be 1:3 ~ 8.
Further, the circular filler of soft polyethylene is set in described bed of packings 9.
Further, the distance L below described total water outlet 10 bottom reactor body
5with the ratio of the height of reactor body be: 1:25 ~ 30; Described total water inlet 13 lower end is far from the distance L bottom oxygen-starved area
6with the ratio of the height of reactor body be: 1:25 ~ 30.
Further, described aerobic zone water outlet 18 lower end is far from the distance L bottom oxygen-starved area
7with the ratio of the height of reactor body be: 1:25 ~ 30.
Further, described oxygen-starved area refluxing opening 20 upper end is far from the distance L at top, oxygen-starved area
8with the ratio of the height of reactor body be: 1:25 ~ 30; Described anaerobic zone water-in 22 upper end is far from the distance L at top, anaerobic zone
9with the ratio of the height of reactor body be: 1:25 ~ 30.
Reactor of the present invention can be built by synthetic glass or steel plate.After waste water is entered by total water inlet 13 by the baffle plate 6 that arranges in oxygen-starved area 4 under the effect of autotrophy/heterotrophic denitrification granule sludge, muddy water fully mixes, utilize the organism and sulfide that contain in water inlet, and the nitrite of backflow from aerobic zone, there is using sulfide and organism as the autotrophy of electron donor/heterotrophic denitrification reaction, realize the synchronous removal of carbon, nitrogen, sulphur; Waste water after the process of oxygen-starved area enters aerobic zone 5 by breach 17, and three groups of aerating systems that inside, aerobic zone 5 is arranged can provide oxygen, and the mineralized nitrogen in waste water is nitrite by the aerobic ammonia-oxidizing bacteria in short distance nitration lightweight bio-carrier; Aerobic zone water outlet 18 draw a part of return of waste water to oxygen-starved area 4, for denitrification provides electron acceptor(EA) (nitrite); Another part waste water that aerobic zone water outlet 18 is drawn is through anaerobic zone water inlet pipe 21, anaerobic zone 3 is entered by anaerobic zone water-in 22, in anaerobic zone 3, the mineralized nitrogen that the unreacted contained in the nitrite of generation, waste water is reacted in aerobic zone 5 by anaerobic ammonium oxidation granular sludge is nitrogen, and treated sewage is discharged by rising pipe 11 after bed of packings 9.In reactor, sewage is by potential energy automatic back flow, through multiple-stage treatment, finally completes the synchronous processing of organism, ammonia nitrogen, sulfide, and each reaction zone arranges independently mud discharging mouth 7, as required spoil disposal, to keep high sludge activity; Independently thief hole 8 is equipped with, the operation of the convenient reactor of monitoring in real time between the multistage baffle plate 6 in each district.
Content described in this specification sheets embodiment is only enumerating the way of realization of inventive concept; should not being regarded as of protection scope of the present invention is only limitted to the specific form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (7)
1. synchronously remove carbon, nitrogen, sulphur tower biological reactor for one kind, comprise reactor body, base, vertical rack and horizontal stand, described reactor body, vertical rack are all installed on described base, the two ends of described horizontal stand are installed on described vertical rack, it is characterized in that: described reactor body is divided into anaerobic zone, oxygen-starved area and aerobic zone from bottom to top, the inside of anaerobic zone described above, oxygen-starved area and aerobic zone is provided with some pieces of baffle plates and baffle plate described in some pieces shifts to install up and down; The bottom of described anaerobic zone, oxygen-starved area and aerobic zone arranges mud discharging mouth respectively, and the middle lower end of described anaerobic zone, oxygen-starved area and aerobic zone arranges thief hole respectively;
The right side of described anaerobic zone is provided with bed of packings, and the lower end, right side of described bed of packings is provided with total water outlet, and described total water outlet connects rising pipe, and described rising pipe is fixed on described vertical rack by fastening piece;
In the left side of described oxygen-starved area, lower end is provided with total water inlet; Add anaerobic ammonium oxidation granular sludge in described anaerobic zone, in oxygen-starved area, add autotrophic denitrification granule sludge and heterotrophic denitrification granule sludge;
Short distance nitration lightweight bio-carrier is added in described aerobic zone, and be provided with some groups of aerating systems, often organize described aerating system by being arranged on the aeration tube on top, aerobic zone and consisting of the aeration head that hollow aeration guide wire is connected with aeration tube, described hollow aeration guide wire is fixed on horizontal stand by fastening piece;
The right side of described oxygen-starved area by breach and aerobic zone through, the left side of described aerobic zone is provided with aerobic zone water outlet, and described aerobic zone water outlet is communicated with oxygen-starved area refluxing opening and anaerobic zone water-in respectively by sewage backflow pipe, anaerobic zone water inlet pipe.
2. one as claimed in claim 1 synchronously removes carbon, nitrogen, sulphur tower biological reactor, it is characterized in that: described reactor body is cube structure; The ratio of the length of described reactor body is 1:0.7 ~ 0.9:3 ~ 4, and the ratio of the volume of described anaerobic zone, oxygen-starved area and aerobic zone is 1:0.8 ~ 1:1 ~ 1.2.
3. one as claimed in claim 2 synchronously removes carbon, nitrogen, sulphur tower biological reactor, it is characterized in that: the length L of described baffle plate
1be 1:3.5 ~ 4 with the ratio of the height of reactor body, the width L of baffle plate
2be 1:1 with the wide ratio of reactor body, the distance L between the baffle plate in described anaerobic zone, oxygen-starved area
3with the length L of baffle plate
1ratio be 1:8 ~ 10; Distance L between described aerobic zone Internal baffle
4with the length L of baffle plate
1ratio be 1:3 ~ 8.
4. one as claimed in claim 3 synchronously removes carbon, nitrogen, sulphur tower biological reactor, it is characterized in that: arrange the circular filler of soft polyethylene in described bed of packings.
5. one as claimed in claim 4 synchronously removes carbon, nitrogen, sulphur tower biological reactor, it is characterized in that: the distance L below described total water outlet bottom reactor body
5be 1:25 ~ 30 with the ratio of the height of reactor body; Described total water inlet lower end is far from the distance L bottom oxygen-starved area
6be 1:25 ~ 30 with the ratio of the height of reactor body.
6. one as claimed in claim 5 synchronously removes carbon, nitrogen, sulphur tower biological reactor, it is characterized in that: described water outlet lower end, aerobic zone is far from the distance L bottom oxygen-starved area
7be 1:25 ~ 30 with the ratio of the height of reactor body.
7. one as claimed in claim 6 synchronously removes carbon, nitrogen, sulphur tower biological reactor, it is characterized in that: described refluxing opening upper end, oxygen-starved area is far from the distance L at top, oxygen-starved area
8be 1:25 ~ 30 with the ratio of the height of reactor body; Described water-in upper end, anaerobic zone is far from the distance L at top, anaerobic zone
9be 1:25 ~ 30 with the ratio of the height of reactor body.
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| CN103936173B (en) * | 2014-04-15 | 2015-04-15 | 华东师范大学 | Autotrophic denitrifying nitrogen-removal reaction device, denitrification system and denitrification method of denitrification system |
| CN105366808B (en) * | 2015-11-17 | 2018-04-10 | 杭州师范大学 | A kind of three-ring type synchronization carbon and nitrogen removal bioreactor |
| CN105668788B (en) * | 2016-01-28 | 2023-10-31 | 浦华环保股份有限公司 | Biochemical pool of activated sludge |
| CN108298690B (en) * | 2018-05-04 | 2023-07-21 | 中国海洋大学 | Integral partial nitrosation-anaerobic ammoxidation sloping plate reinforced bioreactor |
| CN110304727B (en) * | 2019-08-12 | 2024-06-04 | 鹏鹞环保股份有限公司 | Ultra-large assembled loop reactor with nested structure |
| CN112875979A (en) * | 2020-12-31 | 2021-06-01 | 南京化工园博瑞德水务有限公司 | Biodegradation device for wastewater containing hydroxyethyl cellulose and addition product thereof |
| CN114477444B (en) * | 2022-04-19 | 2022-08-05 | 北京涞澈科技发展有限公司 | Autotrophic and heterotrophic synergetic denitrification integrated device and sewage treatment method |
| CN117228839B (en) * | 2023-11-10 | 2024-08-13 | 重庆大学 | Integrated synchronous denitrification and desulfurization device and sewage treatment method |
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| RU2170710C1 (en) * | 2000-12-19 | 2001-07-20 | ООО "Служба Водтехносервис" | Method for biological cleaning of domestic and compositionally analogous industrial waste waters from organic and suspended substances |
| CN2700320Y (en) * | 2003-11-24 | 2005-05-18 | 曾智勇 | Integrative digestion tower |
| JP2009285550A (en) * | 2008-05-28 | 2009-12-10 | Ihi Corp | Exhaust gas treating method |
| CN202131151U (en) * | 2011-03-07 | 2012-02-01 | 北京泰格昌环保工程有限公司 | Efficient compound sewage treatment tower type bioreactor |
| CN203530023U (en) * | 2013-10-10 | 2014-04-09 | 杭州师范大学 | Tower-type bioreactor for synchronously removing carbon, nitrogen and sulphur |
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