CN104192995B - Integrative aerobic particle sludge composite purification device and the method for disposing of sewage - Google Patents
Integrative aerobic particle sludge composite purification device and the method for disposing of sewage Download PDFInfo
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- CN104192995B CN104192995B CN201410388545.4A CN201410388545A CN104192995B CN 104192995 B CN104192995 B CN 104192995B CN 201410388545 A CN201410388545 A CN 201410388545A CN 104192995 B CN104192995 B CN 104192995B
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- 239000010802 sludge Substances 0.000 title claims abstract description 40
- 238000000746 purification Methods 0.000 title claims abstract description 31
- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002245 particle Substances 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 230000007423 decrease Effects 0.000 claims abstract description 43
- 238000005273 aeration Methods 0.000 claims abstract description 19
- 238000009825 accumulation Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000008021 deposition Effects 0.000 claims abstract description 4
- 239000002365 multiple layer Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
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- 241000894006 Bacteria Species 0.000 description 7
- 244000005700 microbiome Species 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000005842 biochemical reaction Methods 0.000 description 4
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- 239000007789 gas Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
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- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 2
- 229920000037 Polyproline Polymers 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
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- 238000007254 oxidation reaction Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
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- WHBMMWSBFZVSSR-UHFFFAOYSA-N 3-hydroxybutyric acid Chemical compound CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
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- 244000005706 microflora Species 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 239000013618 particulate matter Substances 0.000 description 1
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- 230000005501 phase interface Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
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Classifications
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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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- Biological Treatment Of Waste Water (AREA)
Abstract
Integrative aerobic particle sludge composite purification device, comprise shell, from inside to outside central reaction cylinder is provided with successively in case body, decline cyclone ring, the horizontal web plate of reaction tube that multiple-layer horizontal is arranged is provided with in central reaction cylinder cylindrical shell, the vertical web plate of multiple radially vertically arranged cyclone ring is provided with in decline cyclone ring, ring-type micropore aeration pipe is equipped with along with edge under decline cyclone ring under central reaction cylinder cylindrical shell, sidewall deposit exhalant region is provided with between decline cyclone ring and shell, shell lower end is cone, deposition sinking mouth is provided with bottom central reaction cylinder and between case body, shell bottom is taper mud accumulation area, mud discharging pipe is communicated with taper mud accumulation area, mud return line is provided with two outlets.The biopurification process of sewage concentrates in structures and completes in the lump by it, eliminates numerous and diverse equipment such as prior art anaerobic pond, anoxic pond and secondary sedimentation basins, have save land, energy-conservation, reduce the advantage such as construction investment and working cost.
Description
Technical field
The present invention relates to a kind of sewage treatment facility, is the multiplex high-efficiency sewage treatment facility in an a kind of pond, a kind of integrative aerobic particle sludge composite purification device specifically; The invention still further relates to the method that application integrative aerobic particle sludge composite purification device is disposed of sewage.
Background technology
Existing various activated sludge process biologic treating technique, the cotton-shaped active sludge microorganism of main dependence is purified waste water, and because its biomass is low, population quantity is little, so that treatment efficiency is not high.If floc sludge granulating can be made and adopt fluidization technology to make granule sludge be in strong turbulent fluctuation state; then each phase interface of water, gas and solid phase is constantly updated; mass transfer is accelerated; and the aqueous vapor shearing force of high strength impels again the microorganism in granule sludge and microbial film to remain in the active state of height in pond; greatly will improve purification efficiency; thus making floor space, construction investment declines to a great extent.
Summary of the invention
The technical problem to be solved in the present invention is to provide the integrative aerobic particle sludge composite purification device that a kind of purification efficiency is high, floor space is little, construction investment declines to a great extent; The second technical problem that the present invention will solve is to provide the application integrative aerobic particle sludge composite purification method that device is disposed of sewage.
It is as follows that the present invention solves the problems of the technologies described above the technical scheme taked: integrative aerobic particle sludge composite purification device, comprise water inlet pipe 1, mud discharging pipe, it is characterized in that this composite purification device also comprises shell, from inside to outside central reaction cylinder is provided with successively in case body, decline cyclone ring, it is peripheral that decline cyclone ring is located at central reaction cylinder, the horizontal web plate of reaction tube that multiple-layer horizontal is arranged is provided with in central reaction cylinder cylindrical shell, along being provided with the first ring-type micropore aeration pipe under central reaction cylinder cylindrical shell, the vertical web plate of multiple radially vertically arranged cyclone ring is provided with in decline cyclone ring, along being provided with the second ring-type micropore aeration pipe under decline cyclone ring, sidewall deposit exhalant region is provided with between decline cyclone ring and shell, shell lower end is cone, deposition sinking mouth is provided with bottom central reaction cylinder and between case body, shell bottom is taper mud accumulation area, mud discharging pipe is communicated with taper mud accumulation area, mud return line is provided with two outlets, first outlet is positioned at above taper mud accumulation area in being horizontally disposed with, the top that second outlet is positioned at decline cyclone ring is vertical setting, and be positioned at decline cyclone ring outer wall tangential position.
This composite purification device essence is formed by multiple barrel jacket string, the biopurification process of sewage concentrates in structures and completes in the lump by it, eliminate numerous and diverse equipment such as prior art anaerobic pond, anoxic pond and secondary sedimentation basins, have save land, energy-conservation, reduce the advantage such as construction investment and working cost.
The aerating system of composite purification device is arranged at the lower edge of central reaction cylinder and decline cyclone ring respectively, surrounds circular with high density polyethylene(HDPE) micropore aeration pipe along barrel.The vertical web plate of cyclone ring is substantially vertical with coming from the water (flow) direction that mud return line second exports.
The present invention solves the technical scheme that above-mentioned second technical problem takes: a kind of method applied integrative aerobic particle sludge composite purification device and dispose of sewage, technical process comprises: processed sewage is divided into two-way to export from first of mud return line the outlet and second entering composite purification device pond, wherein the sewage of 50% sprays into taper mud accumulation area by body lower end, pond, spout flow rate control is between 1.5m/s ~ 2.0m/s, after mixing with pool bottom sludge, be subject to vertically to water, sweeping along of gas two phase flow, centrally reaction tube moves upward, upper edge through the horizontal web plate of reaction tube that arranges layer by layer therefrom heart reaction tube enters decline cyclone ring region, the sewage of another 50% tangentially flows into along external annulus on the top of decline cyclone ring, drives the mixed solution from central reaction cylinder to flow downward through the vertical web plate rotation of cyclone ring with the form of helical flow, sewage after purifying treatment, flow out from sidewall deposit exhalant region, excess sludge is deposited in taper mud accumulation area, discharges through mud discharging pipe.
Main technological features of the present invention is as follows:
1, the microbe species in mud is various, particularly be deposited in the mud of bottom the microorganism growing multiple generation cycle length and have specific function, the multiple-microorganism floras such as such as nitrification bacteria, Denitrifying Phosphate Accumulating Organisms aerobic denitrifying bacteria and ANAMMOX bacterium, define the cluster advantage of biopurification, sewage enters from bottom jet, entrain a large amount of microbially decontaminate to decompose, accelerate biochemical process.
2, after sewage enters at the bottom of pond, flowing through central reaction cylinder and decline cyclone ring successively, repeatedly experiencing the working cycle of anaerobic-aerobic-anoxic-aerobic, create good nurturing an environment, because the organic concentration of fresh sewage is very high, the floras such as polyP bacteria fermentation and acid bacterium collaborative under, by abundant easy degraded voltaile fatty acid VFA
sbe converted into poly-β hydroxybutyric acid PHB, polyP bacteria and Denitrifying Phosphate Accumulating Organisms bred rapidly, becomes the dominant microflora of composite purification device, be conducive to the simultaneous nitrogen and phosphorus removal at degraded BOD.
Solid 3, the biochemical reaction of sewage purification be gas-water-phase reaction, reactant such as organism, oxygen deliver to reaction interface by mass transfer, and resultant of reaction also will transfer out through mass transfer; Mass transfer velocity often becomes the bottleneck of conditioned response process, and the utilization of central tube fluidization technology, make central tube flow velocity reach 50mm/s, improve rate of mass transfer, biochemical reaction speed is significantly improved.Web plate is to the strengthening of hydraulic shear, and make microbial film and granule sludge remain very high biological activity, everything all improves the task performance of cleaner.
4, the adding of web plate, creates condition for microorganism adheres to breed and form microbial film on web plate, and generally, reactor runs 3 ~ 5d, and microorganism can biofilm and form microbial film; In microbial film, due to the depth of penetration only 100 ~ 150 μm of oxygen, and the avidity of ammonia oxidation bacteria AOB and oxygen is far above NOB NOB, this is just for nitrosification in microbial film creates condition and facilitate short-cut nitrification and denitrification, test shows, the activity of suppression NOB NOB is the key of short distance nitration steady running, except DO, free ammonia FA concentration (0.6 ~ 5mg/l) is dissociated nitrous acid FNA(0.02mg/l) and low water temperature (<15 DEG C) condition NOB all can be made to be suppressed
Biochemical practice reaction proves: microorganism hungry-be satiated with food not only is conducive to stablizing of granule sludge toward the operating mode of complex Alternating under, and can play its purification efficiency to greatest extent.At the bottom of pond and the decline cyclone ring top creation of forms of intaking respectively microbial starvation---the environment of reciprocation cycle of being satiated with food, not only increases purification efficiency, also can reduce excess sludge discharge amount.Because the mud of web plate microbial film and granule sludge is all very long for age, longer mud impels microorganism to experienced by the endogenous respiration course of own biological oxidation age, excess sludge is reduced, reduces sludge yield from source.
5, in decline cyclone ring, sewage injects Chi Tihou with tangential direction, by drive mixed solution with the form rotary motion under screw; Because rotary centrifugal force is different with grain diameter size, this will facilitate the further coalescence of discrete small-particle, and the further densification of granule sludge is not only conducive to dirty water clarification, also help granule sludge and remove the separation of impurities in water.
Research shows, the compound of the motion of decline circulation formation potential barrier and swirling motion, make particulate matter in water automatically away from limit wall in center set, this just creates good hydrodynamic conditions for arranging sidewall deposit exhalant region, also make water outlet be convenient to precipitate and separate, maintain good SS and precipitate removal condition.
Beneficial effect of the present invention mainly contains:
1, the organic composite of microbial film and granule sludge, increases microbial population and biomass, and improve the removal ability of pollutent, shorten hydraulic detention time, Economization on land takies 30%, saves construction costs 20%;
2, effectively can reduce excess sludge production, and then reduction sludge treatment takes about 10% with disposing;
3, recombining process is without the need to sludge reflux, conserve energy can consume 10 ~ 20%.
The present invention integrates biochemical reaction and precipitate and separate, eliminates the construction of second pond; Granule sludge low with biomembranous water ratio, mud, than great, only between decline cyclone ring and shell, arrange the demand that namely a deposit exhalant region meets mud-water separation, does not need separately to build second pond, saves soil and construction costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of composite purification device of the present invention,
Fig. 2 is the vertical view of Fig. 1.
In figure: 1-water inlet pipe, the 101-the first outlet, the 102-the second outlet, 2-central reaction cylinder, 3-decline cyclone ring, 4-sidewall deposit exhalant region, 5-taper mud accumulation area, the 6-the first ring-type micropore aeration pipe, the 7-the second ring-type micropore aeration pipe, 8-mud discharging pipe, the horizontal web plate of 9-reaction tube, the vertical web plate of 10-cyclone ring, 11-shell, 12-deposition sinking mouth, 13-water leg.
Embodiment
Cleaner embodiment is as shown in Figures 1 and 2: integrative aerobic particle sludge composite purification device, comprise water inlet pipe 1, mud discharging pipe 8, this composite purification device also comprises shell 11, from inside to outside central reaction cylinder 2 is provided with successively in shell 11 housing, decline cyclone ring 3, shell 11, central reaction cylinder 2 is circle with decline cyclone ring 3 and geometric centre is identical, it is peripheral that decline cyclone ring 3 is located at central reaction cylinder 2, the horizontal web plate 9 of reaction tube that multiple-layer horizontal is arranged is provided with in central reaction cylinder 2 cylindrical shell, along being provided with the first ring-type micropore aeration pipe 6 under central reaction cylinder 2 cylindrical shell, the vertical web plate 10 of multiple radially vertically arranged cyclone rings is provided with in decline cyclone ring 3, decline cyclone ring 3 times edges are provided with the second ring-type micropore aeration pipe 7, sidewall deposit exhalant region 4 is provided with between decline cyclone ring 3 and shell 11, shell 11 upper body inwall is provided with water leg 13, flow out for the water after process, shell 11 lower end is cone, deposition sinking mouth 12 is provided with bottom central reaction cylinder 2 and between shell 11 housing, shell 11 bottom is taper mud accumulation area 5, mud discharging pipe 8 is communicated with taper mud accumulation area 5, water inlet pipe 1 is provided with two outlets, first outlet 101 is positioned at above taper mud accumulation area 5 in being horizontally disposed with, the top that second outlet 102 is positioned at decline cyclone ring 3 is vertical setting, and be positioned at decline cyclone ring 3 outer wall tangential position.
First ring-type micropore aeration pipe 6 surrounds circular along barrel with high density polyethylene(HDPE) micropore aeration pipe; Second ring-type micropore aeration pipe 7 is identical with the first ring-type micropore aeration pipe 6, and the first ring-type micropore aeration pipe 6 and the second ring-type micropore aeration pipe 7 are aerating systems of the present invention.
Along exceeding edge and edge on shell 11 on central reaction cylindrical shell 2 on decline cyclone ring 3.Shell 11 is Steel Concrete, can take the circumstances into consideration to select flexibly at central reaction cylinder 2 and material such as inner core such as decline cyclone ring 3 grade.The horizontal web plate of reaction tube 9 be provided with in central reaction cylinder 2 body web plate 10 vertical with the cyclone ring be provided with in decline cyclone ring 3 is preferably worked out by rope, mesh about length of side 10cm; The web plate worked out by rope is except optimization fluidised form raising hydraulic shear, or the carrier of microbial film apposition growth.Central reaction cylinder 2 radius is about 1/3 of shell 11 radius, namely full pond radius 1/3.
A kind of method applied integrative aerobic particle sludge composite purification device and dispose of sewage of embodiment of the method, technical process comprises: processed sewage is divided into two-way to export from first of mud return line the outlet and second entering composite purification device pond, wherein the sewage of 50% sprays into taper mud accumulation area by body lower end, pond, spout flow rate control is between 1.5m/s ~ 2.0m/s, after mixing with pool bottom sludge, be subject to vertically to water, sweeping along of gas two phase flow, centrally reaction tube moves upward, upper edge through the horizontal web plate of reaction tube that arranges layer by layer therefrom heart reaction tube enters decline cyclone ring region, because water, gas velocity are higher, in addition web plate is to the strengthening of hydraulic shear, and cylinder endoparticle mud is in sufficient fluidized state, thus resistance to mass transfer is reduced, and biochemical reaction is accelerated, pollutent is rapidly decomposed conversion, the sewage of another 50% tangentially flows into along external annulus on the top of decline cyclone ring, drives the mixed solution from central reaction cylinder to flow downward with the rotation of the form of helical flow through the vertical web plate of cyclone ring, by the effect of rotary centrifugal force, suspended solid collides combination further, and pollutent is further decomposition and inversion also, and the sewage after purifying treatment, enter the outflow of sidewall deposit exhalant region through water leg, excess sludge is deposited in taper mud accumulation area, discharges through mud discharging pipe.
Claims (5)
1. integrative aerobic particle sludge composite purification device, comprise water inlet pipe, mud discharging pipe, it is characterized in that: this composite purification device also comprises shell (11), central reaction cylinder (2) is from inside to outside provided with successively in shell (11) housing, decline cyclone ring (3), it is peripheral that decline cyclone ring (3) is located at central reaction cylinder (2), the horizontal web plate of reaction tube (9) that multiple-layer horizontal is arranged is provided with in central reaction cylinder (2) cylindrical shell, along being provided with the first ring-type micropore aeration pipe (6) under central reaction cylinder (2) cylindrical shell, the vertical web plate of multiple radially vertically arranged cyclone ring (10) is provided with in decline cyclone ring (3), along being provided with the second ring-type micropore aeration pipe (7) under decline cyclone ring (3), sidewall deposit exhalant region (4) is provided with between decline cyclone ring (3) and shell (11), shell (11) lower end is cone, deposition sinking mouth (12) is provided with between central reaction cylinder (2) bottom and shell (11) housing, shell (11) bottom is taper mud accumulation area (5), mud discharging pipe (8) is communicated with taper mud accumulation area (5), water inlet pipe (1) is provided with two outlets, first outlet (101) is positioned at top, taper mud accumulation area (5) in being horizontally disposed with, the top that second outlet (102) is positioned at decline cyclone ring (3) is vertical setting, and be positioned at decline cyclone ring (3) outer wall tangential position, first ring-type micropore aeration pipe (6) and the second ring-type micropore aeration pipe (7) surround circular along barrel with high density polyethylene(HDPE) micropore aeration pipe.
2. integrative aerobic particle sludge composite purification device as claimed in claim 1, is characterized in that: the horizontal web plate of reaction tube (9) web plate (10) vertical with cyclone ring is worked out by rope, mesh length of side 10cm.
3. integrative aerobic particle sludge composite purification device as claimed in claim 1 or 2, is characterized in that: shell (11), central reaction cylinder (2) and decline cyclone ring (3) are circle, and central reaction cylinder (2) radius is 1/3 of shell (11) radius.
4. integrative aerobic particle sludge composite purification device as claimed in claim 3, is characterized in that: decline cyclone ring (3) is upper upper along edge upper with shell (11) along exceeding central reaction cylindrical shell (2).
5. an application rights requires the method that the integrative aerobic particle sludge composite purification device described in 1 is disposed of sewage, technical process comprises: processed sewage is divided into two-way to export from first of mud return line the outlet and second entering composite purification device pond, wherein the sewage of 50% sprays into taper mud accumulation area by body lower end, pond, spout flow rate control is between 1.5m/s ~ 2.0m/s, after mixing with pool bottom sludge, be subject to vertically to water, sweeping along of gas two phase flow, centrally reaction tube moves upward, upper edge through the horizontal web plate of reaction tube that arranges layer by layer therefrom heart reaction tube enters decline cyclone ring region, the sewage of another 50% tangentially flows into along external annulus on the top of decline cyclone ring, drives the mixed solution from central reaction cylinder to flow downward through the vertical web plate rotation of cyclone ring with the form of helical flow, sewage after purifying treatment, flow out from sidewall deposit exhalant region, excess sludge is deposited in taper mud accumulation area, discharges through mud discharging pipe.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107961567A (en) * | 2017-11-28 | 2018-04-27 | 深圳市万佳晟环保产业有限公司 | Mud separator |
| CN108670104A (en) * | 2018-05-16 | 2018-10-19 | 苏州睿烁环境科技有限公司 | A kind of closestool electric scrubbing device with preferable cleaning effect |
| CN109336253B (en) * | 2018-11-30 | 2021-10-01 | 金锣水务有限公司 | Sewage biological treatment device and method |
| CN112573658A (en) * | 2020-12-08 | 2021-03-30 | 西藏大学 | Plateau sewage treatment denitrogenation spiral-flow type biochemical reaction device and equipment thereof |
| CN113289383B (en) * | 2021-05-08 | 2023-05-05 | 中国市政工程中南设计研究总院有限公司 | Radial flow type secondary sedimentation tank sludge regeneration method |
| CN119263472B (en) * | 2024-11-22 | 2025-08-19 | 山东方大工程有限责任公司 | Construction sewage treatment system |
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| JPS55102496A (en) * | 1979-01-31 | 1980-08-05 | Mitsubishi Heavy Ind Ltd | Treatment of organics-containing waste water |
| CN1887739A (en) * | 2006-07-28 | 2007-01-03 | 重庆大学 | Active sludge-biomembrane compounding integral sewage treating method and apparatus |
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