CN208055024U - A kind of coking wastewater Anammox processing unit - Google Patents
A kind of coking wastewater Anammox processing unit Download PDFInfo
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- CN208055024U CN208055024U CN201820342226.3U CN201820342226U CN208055024U CN 208055024 U CN208055024 U CN 208055024U CN 201820342226 U CN201820342226 U CN 201820342226U CN 208055024 U CN208055024 U CN 208055024U
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Abstract
The utility model is related to a kind of coking wastewater Anammox processing units, belong to coked waste water process field comprising it includes aerobic zone, sludge postposition anoxic zone, postposition aerobic sludge zone, advection sedimentation area after irrigation channel, pre- anoxic zone, the preceding aerobic zones MBBR, preposition anoxic zone, MBBR aerobic short-cut nitrifications area, MBBR Anammoxs area, MBBR；Preposition anoxic zone and MBBR aerobic short-cut nitrifications area by the rectangular water hole in division wall outboard end top communicate, blender is set in preposition anoxic zone；MBBR aerobic short-cut nitrifications area and MBBR Anammoxs area by the rectangular water hole in division wall side end top communicate；MBBR Anammoxs area and aerobic zone after MBBR by the rectangular water hole in division wall side end top communicate.Preposition, Anammox and rear-mounted denitrification denitrogenation are combined by the utility model, it is ensured that the outer draining total nitrogen after Treatment of Coking Effluent is up to standard.
Description
Technical field
The utility model is related to a kind of coking wastewater Anammox processing units, belong to Industrial Waste Water Treatments field.
Background technology
Pollutant contained by coking wastewater includes the heterocyclic compound of phenols, polycyclc aromatic compound and nitrogenous, oxygen, sulphur
Deng, be it is a kind of typically contain organic compound difficult to degrade industrial wastewater.Easily biodegradable organics in coking wastewater are main
It is phenolic compound and benzene-like compounds, arsenic coughs up, naphthalene, furans, narrows azole and belongs to degradable type organic.Organic matter difficult to degrade
Mainly there are arsenic pyridine, carbazole, biphenyl, terphenyl etc..The water quality of coking wastewater is because of each plant process flow and production operation mode difference
It is very big and different.The distilled ammonia wastewater water quality of general coke-oven plant is as follows：CODcr3000-3800mg/L, phenol 600-900mg/L, cyanogen
10mg/L, oil 50-70mg/L, ammonia nitrogen 300mg/L or so.
Country's coking industry mostly handles coking wastewater using pretreatment and biological treatment at present, and pretreatment includes steaming
Ammonia, extracting and dephenolizing, whole cold water decyanation etc..Biological treatment include anoxic/aerobic, anaerobic/anoxic/aerobic, aerobic/anoxic/
Aerobic equal biological tanks combination.Bioanalysis has the advantages that economical and efficient, does not generate secondary pollution, and existing oneself becomes most widely used
Wastewater treatment method, but there is also certain problems for treating coking wastewater biologically, and as contained in coking wastewater, there are many difficult to degrade
Organic matter, the organic carbon source utilized for microorganism is insufficient, while itself ammonia nitrogen concentration is excessively high, and water outlet total nitrogen tends not to full
Sufficient municipal sewage plant's discharge standard.The total nitrogen concentration of coking wastewater is up to 200-350mg/L, such as dirty using conventional activity
Bricklayer's's skill, water outlet total nitrogen are less than in 100mg/L or more, the TN that can not meet the level-one A that new standard GB16171-2012 is required
The requirement of 15mg/L, in addition water outlet COD, ammonia nitrogen cannot be up to standard.In order to improve the treatment effect of coking wastewater, in traditional AAO
It needs to develop novel process unit on the basis of class technique.Traditional activated sludge process is such as all made of using two-stage A/O, due to
Poisonous and harmful substance content is higher in coking wastewater, and there are larger fluctuations for influent quality, can be caused to biochemical treatment section larger
Impact, influence the treatment effect of biochemical section, when pollutant concentration is higher, biochemical section water outlet total nitrogen can not qualified discharge,
In addition, the biochemical COD of water inlet of two level AO devices is very low, supplementary carbon source need to be added, carbon source add expense 3 yuan/ton of water with
On, the operating cost of biochemical section is also improved greatly.
Compared to conventional activated sludge process, the technology based on short distance nitration and Anammox makes high ammonia nitrogen coking wastewater exist
Realization efficient process is possibly realized under conditions of being not added with outer carbon source；In the process, aerobic ammonia-oxidizing bacteria first is in aerobic condition
Lower that ammonia nitrogen short distance is oxidized to nitrite, then anaerobic ammonia oxidizing bacteria makes ammonia nitrogen and nitrite direct under conditions of anaerobism
Reaction generates nitrogen and is discharged in air.Anammox produces the acid and conventional activated sludge that the reaction of alkali neutralization short distance nitration generates
Technique also greatly reduces compared to required aeration quantity, and surplus sludge volume is few.
MBBR techniques use the basic principle of biofilm, key problem in technology to be to use novel bio-carrier, the biology
Carrier has effective surface area big, is suitble to microorganism adsorption growth, and proportion is close to water, i.e. with water free movement under gentle agitation
The characteristics of.For the utility model using the suspending carrier of efficient MBBR techniques as fixation support, anaerobic ammonia oxidizing bacteria fixes life
It grows on suspending carrier, can efficiently retain the slow anaerobic ammonia oxidizing bacteria of growth rate, quickly start reactor, improve anaerobism
The runnability of ammoxidation reaction device, while providing the micro-loop suitable for growth for aerobic ammonia-oxidizing bacteria and anaerobic ammonia oxidizing bacteria
Border.
Utility model content
It cannot reach national water outlet to be discharged total nitrogen when overcoming existing active sludge biological technical finesse coking wastewater
Standard, operating cost is high,
The problem of operating process complexity, the utility model proposes a kind of coking wastewater Anammox processing units, are
The processing up to standard of coking wastewater provides a kind of effective device.
The technical solution of the utility model is：
A kind of coking wastewater Anammox processing unit comprising irrigation channel, pre- anoxic zone, the preceding aerobic zones MBBR,
Aerobic zone, sludge postposition anoxic zone, postposition after preposition anoxic zone, MBBR aerobic short-cut nitrifications area, MBBR Anammoxs area, MBBR
Aerobic sludge zone, advection sedimentation area, wherein irrigation channel by the first water inlet and the second water inlet respectively with pre- anoxic zone and
Preposition anoxic zone is connected；Pre- anoxic zone and the preceding aerobic zones MBBR by the rectangular water hole in division wall inboard end top communicate,
Blender is set in pre- anoxic zone；The preceding aerobic zones MBBR and preposition anoxic zone by the rectangular water hole in division wall outboard end lower part
It communicates, setting boring aeration pipe in the preceding aerobic zone bottoms MBBR adds suspending carrier in it and apopore setting MBBR is discharged sieve；
Preposition anoxic zone and MBBR aerobic short-cut nitrifications area by the rectangular water hole in division wall outboard end top communicate, in preposition anoxic zone
Blender is set；MBBR aerobic short-cut nitrifications area and MBBR Anammoxs area by the rectangular water hole in division wall side end top
It communicates, setting boring aeration pipe in MBBR aerobic short-cut nitrifications area bottom adds suspending carrier in it and apopore setting MBBR is discharged
Sieve；MBBR Anammoxs area and aerobic zone after MBBR by the rectangular water hole in division wall side end top communicate, MBBR
Anammox area is provided with blender, add suspending carrier in it and apopore setting MBBR is discharged sieve；It is aerobic after MBBR
Area and postposition sludge anoxic zone by the rectangular water hole in division wall side end top communicate, after MBBR the setting of aerobic zone bottom wear
Hole aeration tube adds suspending carrier in it and apopore setting MBBR is discharged sieve；Postposition sludge anoxic zone is good with postposition sludge
Oxygen area by the rectangular water hole in division wall side end lower part communicate, in postposition sludge anoxic zone be arranged blender；Postposition sludge
Aerobic zone and advection sedimentation area by the rectangular water hole in division wall side end top communicate, the setting of postposition sludge anoxic zone bottom
Boring aeration pipe.
As one of preferred embodiment of the utility model, the pre- anoxic zone be provided with part inflow by
First water inlet.
As one of preferred embodiment of the utility model, the pre- anoxic zone is provided with sludge reflux channel
Flow through the returned sludge water inlet come.
As one of preferred embodiment of the utility model, it is logical that the preposition anoxic zone is provided with most of inflow
The second water inlet crossed.
As one of preferred embodiment of the utility model, sludge postposition anoxic zone is provided be used for after
It sets denitrification denitrogenation and requires supplementation with the carbon source of additional carbon and add pipe.
As one of preferred embodiment of the utility model, the rear end in the advection sedimentation area is useful for precipitation water outlet
Clear water effluent weir.
The utility model has following technology advantageous effect：
1) the utility model provides a kind of coking wastewater Anammox processing unit, and which employs A-O-A-O-A-O-
Eight sections of deep biological denitrogenations of A-O handle coking wastewater technology, and preposition, Anammox and rear-mounted denitrification denitrogenation are combined, really
It is up to standard to protect the outer row's total nitrogen of coking wastewater water outlet, you can making that treated, outer draining reaches《Coking chemistry emission of industrial pollutants mark
It is accurate》(GB16171-2012) requirement of total nitrogen 20mg/L specified in.Coking wastewater phase is handled with traditional biological denitrification process
Than aeration quantity needed for the utility model is few, and floor space is small, and technological process is simple, and capital construction is low with operating cost.
2) the utility model will be divided into two-way by the water inlet of pretreated coking wastewater, and the one of total inflow 30-40%
Road enter water by the first water inlet enter pre- anoxic zone, this part water inlet pre- anoxic zone first with by sludge reflux canal and time
Stream sludge water inlet flows through the sludge hybrid reaction come, and the nitrate denitrification in returned sludge is removed；Total inflow 60-
70% water that in addition enters all the way enters preposition anoxic zone by the second water inlet, this part water is reacted with by the preceding aerobic zones MBBR
Muddy water hybrid reaction afterwards, denitrification removes part total nitrogen and consumes BOD/COD biodegradable in all water inlets, in water inlet
BOD is subsequent two-stage method in the beneficial consumption of preposition biological section（Aerobic nitrosated+Anammox）Anaerobic ammonia oxidation process
Create condition.
3) the utility model realizes that Anammox so that technique is more controllable using two-stage method, that is, low biodegradable COD
Muddy water flow into MBBR aerobic short-cut nitrifications area first, the dissolved oxygen concentration in control MBBR aerobic short-cut nitrifications area makes into the high ammonia in water
Nitrogen is reacted in Nitrification Stage as possible generates nitrite, MBBR Anammoxs area is then flowed into, in anaerobic condition and stirring
Device pushes the denitrification organisms reaction of anaerobic ammonia oxidizing bacteria progress ammonia nitrogen and nitrous state on low suspension carrier and in muddy water.
4) be keep water outlet TN safety and stability it is up to standard, the MBBR Anammoxs area of the utility model followed by
Aerobic zone after MBBR further aoxidizes remaining ammonia nitrogen, then further nitrification after muddy water enter sludge postposition anoxic zone after
Continuous denitrogenation, the removal for the TN that this set fully ensures that.
5) due in the utility model the preceding aerobic zones MBBR, MBBR aerobic short-cut nitrifications area, MBBR Anammoxs area and
Aerobic zone is all added to efficient suspending carrier after MBBR, suspending carrier to microorganism, organic matter and biomembrane to inorganic salts from
The suction-operated of son etc. enhances the antitoxin impact capacity of system, and the runnability of system is also made more to stablize；Suspending carrier
So that the nitrification of whole process, nitrosation, Anammox and denitrification process biological respinse efficiency greatly improve, for example,
Denitrification efficiency can be promoted by the 50% of original activated sludge process to 95% or more.In addition, low to reach outer draining total nitrogen TN
In the requirement of 20mg/L, need to also need excessively to add carbon source (methanol, sodium acetate etc.) in sludge postposition anoxic pond, this part is more
Remaining carbon source is biochemical oxygen demand (BOD) (COD), and the utility model is provided with postposition aerobic sludge zone, is aerated again in it removable more
Remaining carbon source.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of the utility model.
Fig. 2 is the A-A sectional views of the planar structure schematic diagram of the utility model.
Wherein：1, pre- anoxic zone, 2, the preceding aerobic zones MBBR, 3, preposition anoxic zone, 4, MBBR aerobic short-cut nitrifications area, 5, MBBR
Anammox area, 6, aerobic zone after MBBR, 7, sludge postposition anoxic zone, 8, postposition aerobic sludge zone, 9, advection sedimentation area,
10, irrigation channel, the 11, first water inlet, the 12, second water inlet, 13, blender, 14, boring aeration pipe, 15, MBBR go out water sieve
Net, 16, suspending carrier,
17, clear water effluent weir, 18, sludge reflux channel, 19, carbon source add pipe, 20, returned sludge water inlet.
Specific implementation mode
The utility model is further described with example below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2.
A kind of coking wastewater Anammox processing unit comprising aerobic before irrigation channel 10, pre- anoxic zone 1, MBBR
Aerobic zone 6, sludge postposition lack after area 2, preposition anoxic zone 3, MBBR aerobic short-cut nitrifications area 4, MBBR Anammoxs area 5, MBBR
Oxygen area 7, postposition aerobic sludge zone 8, advection sedimentation area 9, wherein irrigation channel 10 passes through the first water inlet 11 and the second water inlet
12 are connected with pre- anoxic zone 1 and preposition anoxic zone 3 respectively；The preceding aerobic zone pre- anoxic zone 1 and MBBR 2 by division wall it is inboard
The end rectangular water hole in top communicates, and blender 13 is arranged in pre- anoxic zone 1；The preceding aerobic zones 2 MBBR pass through it with preposition anoxic zone 3
The rectangular water hole in division wall outboard end lower part communicates, and setting boring aeration pipe 14 in 2 oxygen area bottoms before MBBR adds suspension in it
Carrier 16 and apopore setting MBBR are discharged sieve 15；Preposition anoxic zone 3 and MBBR aerobic short-cut nitrifications area 4 by division wall outside
The rectangular water hole in side top communicates, and blender 13 is arranged in preposition anoxic zone 3；MBBR aerobic short-cut nitrifications area 4 and MBBR anaerobism
Ammoxidation area 5 by the rectangular water hole in division wall side end top communicate, 4 bottom of MBBR aerobic short-cut nitrifications area setting perforation expose
Tracheae 14 adds suspending carrier 16 in it and apopore setting MBBR is discharged sieve 15；After MBBR Anammoxs area 5 and MBBR
Aerobic zone 6 by the rectangular water hole in division wall side end top communicate, MBBR Anammoxs area 5 be provided with blender 13,
Suspending carrier 16 is added in it and apopore setting MBBR is discharged sieve 15；Aerobic zone 6 and postposition sludge anoxic zone 7 are logical after MBBR
The rectangular water hole in division wall side end top crossed communicates, and setting boring aeration pipe 14 in 6 bottom of aerobic zone after MBBR adds in it
Suspending carrier 16 and apopore setting MBBR are discharged sieve 15；Between postposition sludge anoxic zone 7 and postposition aerobic sludge zone 8 pass through
The one rectangular water hole in side lower part of partition wall communicates, and blender 13 is arranged in postposition sludge anoxic zone 7；Postposition aerobic sludge zone 8 with
Advection sedimentation area 9 by the rectangular water hole in division wall side end top communicate, 8 bottom of postposition sludge anoxic zone setting perforation expose
Tracheae 14.
Above-mentioned pre- anoxic zone 1 be provided with part inflow by the first water inlet 11, for be returned sludge denitrification
Denitrogenation provides carbon source.
Above-mentioned pre- anoxic zone 1 is provided with sludge reflux channel 18 and flows through the returned sludge water inlet 20 come, and being used for will
The base sludge in advection sedimentation area 9 flows back into pre- anoxic zone 1.
Above-mentioned preposition anoxic zone 3 be provided with most of inflow by the second water inlet 12, total inflow 60-70%'s
In addition enter water all the way and preposition anoxic zone 3 is entered by the second water inlet 12, mixed with the muddy water after the preceding aerobic zones MBBR 2 reacts
BOD/COD biodegradable in reaction removal part total nitrogen and consumption water inlet is closed, and is subsequent two-stage method（It is aerobic nitrosated
+ Anammox）Anaerobic ammonia oxidation process creates conditions.
Above-mentioned sludge postposition anoxic zone 7 is provided with the carbon source that additional carbon is required supplementation with for rear-mounted denitrification denitrogenation
Pipe 19 is added, additional carbon is provided for the further denitrification reaction in sludge postposition anoxic zone 7.
The rear end in above-mentioned advection sedimentation area 9 is useful for the clear water effluent weir 17 of precipitation water outlet, for the clear water after precipitating
It is discharged outside the utility model.
The workflow of the utility model is：
1）It is divided into two-way by the water inlet of pretreated coking wastewater, the water that enters all the way of wherein total inflow 30-40% leads to
Cross the first water inlet and enter pre- anoxic zone, the water inlet of this part pre- anoxic zone first with by sludge reflux canal and returned sludge into
The sludge hybrid reaction come is flowed through at the mouth of a river, and the nitrate denitrification in returned sludge is removed；Total inflow 60-70% is in addition
Enter water all the way and preposition anoxic zone is entered by the second water inlet.
2) muddy water come out from pre- anoxic zone flows into the preceding aerobic zones MBBR, and the coking wastewater that the first water inlet is entered carries out
Nitration reaction generates part nitrate nitrogen；Muddy water after reaction flows into preposition anoxic zone by water hole hole, and from the second water inlet
" fresh " waste water for entering preposition anoxic zone is stirred reaction denitrogenation.
3) from denitrification removal part total nitrogen and the preposition anti-of biodegradable BOD/COD in all water inlets is consumed
The muddy water of nitrification zone, into subsequent two-stage method（Aerobic nitrosated+Anammox）The MBBR nitrosation in the areas anaerobism An Yang is good
Oxygen area, the dissolved oxygen concentration in control MBBR aerobic short-cut nitrifications area, which makes to react in Nitrification Stage as possible into the high ammonia nitrogen in water, gives birth to
At nitrite, MBBR Anammoxs area is then flowed into, is pushed on low suspension carrier and muddy water in anaerobic condition and blender
In anaerobic ammonia oxidizing bacteria carry out the denitrification organisms reaction of ammonia nitrogen and nitrous state；Suspending carrier is in MBBR Anammoxs area
Packing ratio is 40%, and anaerobic ammonium oxidation sludge (anaerobic ammonia oxidizing bacteria from anaerobic fermentation tank culture, interior anaerobism ammonia oxygen is added
Change the accounting of bacterium between 50-80%), anaerobic environment is kept in local area, controlled at 37 degree, inlet flow-patterm 7.3-7.8 it
Between.
4) MBBR Anammoxs area followed by aerobic zone after MBBR, further aoxidize remaining ammonia nitrogen, then
Further the muddy water after nitrification enters the continuation denitrogenation of sludge postposition anoxic zone；In addition, being less than 20mg/ to reach outer draining total nitrogen TN
The requirement of L need to also need excessively to add carbon source (methanol, sodium acetate etc.), the extra carbon in this part in sludge postposition anoxic pond
Source is biochemical oxygen demand (BOD) (COD), and volume muddy water flows into postposition aerobic sludge zone again after rear-mounted denitrification, and it is more to be aerated removal again in it
Remaining carbon source；The muddy water of the apopore of postposition aerobic sludge zone flows into advection sedimentation area and carries out mud-water separation, the top after separation
Clear water flows out the utility model by clear water effluent weir, and partial sludge passes through sludge reflux channel and returned sludge water inlet stream
Enter pre- anoxic zone.
Example one：
Certain Treatment of Coking Effluent factory, intake design water are 10000m3/ days, inlet COD concentration 3500mg/L, BOD
A concentration of 1000mg/L, NH4-N a concentration of 260mg/L, TN 300mg/L, TP 2mg/L, using the utility model, addition
Cylindrical type suspending carrier feature is：Material is HDPE, proportion 0.95g/cm3, a diameter of 25mm, high 10mm, porosity of=
88%, bulk density >=100kg/m3, effective ratio area >=500 ㎡/m3；Ensure suspending carrier not at it using flat screen
It is accumulated on the cross-section of river；The pre- anoxic zone HRT of the engineering is 2h, and the preceding aerobic zone HRT of MBBR are 3h, and preposition anoxic zone HRT is 4h,
MBBR aerobic short-cut nitrifications area HRT is 6h, and MBBR Anammoxs area HRT is 8h, and aerobic zone HRT is 3h, sludge postposition after MBBR
Anoxic zone HRT is 4h, and postposition aerobic sludge zone HRT is 0.45h, and the aerobic zones MBBR use boring aeration pipe, each perforation
It is aerated pipe end and one dedicated unit is set；BOD≤the 10mg/L being discharged after the completion of trial operation is discharged COD≤80mg/L, NH3-N
≤ 1mg/L, TN≤20mg/L.
It should be noted that any equivalent way under the guidance of this specification made by those skilled in the art, or
Obvious variant should be within the protection scope of the present utility model.
Claims (6)
1. a kind of coking wastewater Anammox processing unit, which is characterized in that it includes irrigation channel, pre- anoxic zone, MBBR
Aerobic zone, sludge postposition lack after preceding aerobic zone, preposition anoxic zone, MBBR aerobic short-cut nitrifications area, MBBR Anammoxs area, MBBR
Oxygen area, postposition aerobic sludge zone, advection sedimentation area, wherein irrigation channel by the first water inlet and the second water inlet respectively with
Pre- anoxic zone and preposition anoxic zone are connected；Pre- anoxic zone and the preceding aerobic zones MBBR by the rectangular mistake in division wall inboard end top
Water hole communicates, and blender is arranged in pre- anoxic zone；The preceding aerobic zones MBBR and preposition anoxic zone by division wall outboard end lower part
Rectangular water hole communicates, and setting boring aeration pipe in the preceding aerobic zone bottoms MBBR adds suspending carrier and apopore setting in it
MBBR is discharged sieve；Preposition anoxic zone and MBBR aerobic short-cut nitrifications area by the rectangular water hole phase in division wall outboard end top
It is logical, blender is set in preposition anoxic zone；MBBR aerobic short-cut nitrifications area and MBBR Anammoxs area by division wall side
The end rectangular water hole in top communicates, and setting boring aeration pipe in MBBR aerobic short-cut nitrifications area bottom adds suspending carrier in it and goes out
Water hole is arranged MBBR and is discharged sieve；MBBR Anammoxs area and aerobic zone after MBBR by division wall side end top it is rectangular
Water hole communicates, and MBBR Anammoxs area is provided with blender, add suspending carrier in it and apopore setting MBBR is discharged
Sieve；After MBBR aerobic zone and postposition sludge anoxic zone by the rectangular water hole in division wall side end top communicate, after MBBR
Setting boring aeration pipe in aerobic zone bottom adds suspending carrier in it and apopore setting MBBR is discharged sieve；Postposition sludge lacks
Oxygen area and postposition aerobic sludge zone by the rectangular water hole in division wall side end lower part communicate, be arranged in postposition sludge anoxic zone
Blender；Postposition aerobic sludge zone and advection sedimentation area by the rectangular water hole in division wall side end top communicate, postposition is dirty
Boring aeration pipe is arranged in mud anoxic zone bottom.
2. coking wastewater Anammox processing unit according to claim 1, which is characterized in that the pre- anoxic zone setting
Have part inflow by the first water inlet.
3. coking wastewater Anammox processing unit according to claim 1, which is characterized in that the pre- anoxic zone setting
There is the returned sludge water inlet to come by sludge reflux channel flow.
4. coking wastewater Anammox processing unit according to claim 1, which is characterized in that the preposition anoxic zone is set
Be equipped with most of inflow by the second water inlet.
5. coking wastewater Anammox processing unit according to claim 1, which is characterized in that the sludge postposition anoxic
Area, which is provided with, to be required supplementation with the carbon source of additional carbon for rear-mounted denitrification denitrogenation and adds pipe.
6. coking wastewater Anammox processing unit according to claim 1, which is characterized in that the advection sedimentation area
Rear end is useful for the clear water effluent weir of precipitation water outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820342226.3U CN208055024U (en) | 2018-03-13 | 2018-03-13 | A kind of coking wastewater Anammox processing unit |
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| CN201820342226.3U CN208055024U (en) | 2018-03-13 | 2018-03-13 | A kind of coking wastewater Anammox processing unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173640A (en) * | 2021-03-29 | 2021-07-27 | 江苏裕隆环保有限公司 | AOA (argon oxygen decarburization) coupled anaerobic ammonia oxidation advanced nitrogen and phosphorus removal process |
| CN114772731A (en) * | 2022-04-19 | 2022-07-22 | 青岛思普润水处理股份有限公司 | AOA coupling autotrophic nitrogen removal water treatment method and system based on BFM form |
-
2018
- 2018-03-13 CN CN201820342226.3U patent/CN208055024U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173640A (en) * | 2021-03-29 | 2021-07-27 | 江苏裕隆环保有限公司 | AOA (argon oxygen decarburization) coupled anaerobic ammonia oxidation advanced nitrogen and phosphorus removal process |
| CN114772731A (en) * | 2022-04-19 | 2022-07-22 | 青岛思普润水处理股份有限公司 | AOA coupling autotrophic nitrogen removal water treatment method and system based on BFM form |
| CN114772731B (en) * | 2022-04-19 | 2023-08-22 | 青岛思普润水处理股份有限公司 | AOA coupling autotrophic nitrogen removal water treatment method and system based on BFM form |
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