CN107235559A - The synchronization denitrification apparatus and method of a kind of sewage automatic cycle flowing - Google Patents
The synchronization denitrification apparatus and method of a kind of sewage automatic cycle flowing Download PDFInfo
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- CN107235559A CN107235559A CN201710566666.7A CN201710566666A CN107235559A CN 107235559 A CN107235559 A CN 107235559A CN 201710566666 A CN201710566666 A CN 201710566666A CN 107235559 A CN107235559 A CN 107235559A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Aeration head is provided with the synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention, including aerated reaction post, anaerobic reaction post, three phase separator, connecting tube, return duct and stillpot, aerated reaction post, is characterised by：The liquid outlet of three phase separator is communicated through connecting tube with the bottom of anaerobic reaction post, and the top of anaerobic reaction post is communicated through return duct with the bottom of stillpot and aerated reaction post；Contain filler and the sludge for being inoculated with heterotroph, nitrifier and nitrococcus in aerated reaction post；Contain the sludge for being inoculated with anaerobic ammonia oxidizing bacteria and denitrifying bacterium in anaerobic reaction post.The synchronization denitrification apparatus and denitrogenation method of the sewage automatic cycle flowing of the present invention, there is provided a kind of waste water for combining multiple-microorganism processing high ammonia nitrogen and high COD and the apparatus and method for reducing energy consumption, utilize multiple-microorganism of arranging in pairs or groups, the aerobic and anaerobic environment suitably survived is provided for it, and the automatic cycle flowing of sewage is realized by power of gas, realize ammonia nitrogen and COD complete removal.
Description
Technical field
The present invention relates to a kind of sewage water denitrification device, in particular, more particularly to a kind of aeration aerating and a variety of micro- lifes
Thing（Heterotroph, nitrifier, nitrococcus, anaerobic ammonia oxidizing bacteria, denitrifying bacterium）Synergy, and dirt is realized by aerodynamic force
Water circulation flows the nitrogen rejection facility and method for reaching efficient process ammonia nitrogen COD sewage.
Background technology
At present, nitrogenous effluent has had a strong impact on the ecological balance of aquatic environment.Nitrogen into water body can cause it rich
Nutrient laden, and then cause the dissolved oxygen in algal bloom, consumption water body to make water hypoxia, so that fishes and shrimps mortality, makes
Water quality is severe, and produces harmful effect to periphery ecological environment.The high ammonia nitrogen and high that especially current pharmacy, chemical industry are produced
COD waste water, intractability is even more to increase, once dealing with improperly, is discharged into extraneous water body, the water environments such as rivers and lakes will be made
Into the injury for being difficult to retrieve.For such a used water difficult to degradate, it there is now physical-chemical process and bioanalysis.Physical-chemical process cost
Height, medicament hardly possible is reclaimed, and meeting secondary pollution, is not the treatment technology of economical and efficient；And bioanalysis handles potentiality greatly, persistently due to it
Processing, maintenance cost is low, the advantages of do not result in secondary pollution, the popular method as processing high ammonia nitrogen and high COD waste water.
The microorganism for being related to conversion removal ammonia nitrogen and COD is numerous, for pharmacy waste water, sludge-digestion liquid, refinery(waste) water etc.
High ammonia nitrogen and high COD waste water, the incomplete or even removal efficiency that the use of traditional single culture can still cause ammonia nitrogen COD to remove is beaten greatly
Discount, accordingly, it would be desirable to carry out reasonably arranging in pairs or groups and arranging to microorganism, and provides suitable environment to it, could realize ammonia nitrogen
With COD efficient removal.It is intended to and invents a kind of waste water for combining multiple-microorganism processing high ammonia nitrogen and high COD and reduce energy consumption
Apparatus and method.
The content of the invention
There is provided the simultaneous denitrification that a kind of sewage automatic cycle flows in order to overcome the shortcoming of above-mentioned technical problem by the present invention
Device and method.
The synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention, including aerated reaction post, anaerobic reaction post, three-phase
Separator, connecting tube, return duct and stillpot, the lower end of aerated reaction post are provided with the water inlet communicated with its internal cavities,
The bottom of aerated reaction post internal cavities is provided with aeration head, and aeration head is connected with aerator；It is characterized in that：Three-phase separate
From the upper end that device is located at aerated reaction post, the upper end of aerated reaction post is communicated with the import of three phase separator, three phase separator
Gas vent is communicated with the external world, and liquid outlet is communicated through connecting tube with the bottom of anaerobic reaction post；The top warp of anaerobic reaction post
Return duct is communicated with the bottom of stillpot and aerated reaction post；The upper end of anaerobic reaction post is provided with overfall；
Contain filler and the sludge for being inoculated with heterotroph, nitrococcus and nitrifier in the aerated reaction post；The anaerobism is anti-
Ying Zhu bottom, which is provided with supporting layer, supporting layer, offers through hole, contains in anaerobic reaction post and is inoculated with anaerobic ammonia oxidizing bacteria
With the sludge of denitrifying bacterium.
The synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention, the anaerobic reaction post and return duct connectivity part
Highly less than the height of overfall, the height of the aerated reaction post and connecting tube connectivity part is not higher than the height of overfall；Institute
The upper end for stating anaerobic reaction post is communicated with the external world.
The synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention, nitric wastewater is through water inlet by aerated reaction post bottom
Portion enters, and by three phase separator, anaerobic reaction column bottom is transported to by connecting tube, uniform water distribution is formed by supporting layer,
Sewage returns from aerated reaction column bottom again by return duct through stillpot, forms the circulation of sewage.
The synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention, the sewage containing ammonia nitrogen and COD is by aerated reaction
Column bottom into being oxygenated, be attached to filler and be free in the aerobic sludge in reaction column containing heterotroph, nitrifier and
Part mineralized nitrogen is nitre using oxygen and COD by nitrococcus, heterotroph consumption oxygen and COD, nitrifier and nitrococcus
Nitrogen and nitrite nitrogen；The anaerobic ammonia oxidizing bacteria that subsequent sewage is flowed into anaerobic reaction post, the sludge blanket of reaction column can by nitrite nitrogen and
The mineralized nitrogen of remainder is nitrogen, and generates nitrate nitrogen；Nitrate nitrogen can be reduced into nitrogen by denitrifying bacterium using COD.
The denitrogenation method of the synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention, it is characterised in that by following
Step is realized：
A) sewage is flowed into, and injects the sewage containing ammonia nitrogen and COD from water inlet, sewage in aerated reaction post from the bottom to top
Flowing；B) Air Exposures, aerator blasts air into aeration zone by aeration head, sewage is filled with the oxygen in air
Tap is touched, so as to dissolve a certain amount of oxygen in sewage；C) aerobic reactions, sewage flows from the bottom to top in aerated reaction post
During, it is attached to filler and the heterotroph consumption oxygen being free in the aerobic sludge in reaction column and COD, nitrifier and Asia
Part mineralized nitrogen is nitrate nitrogen and nitrite nitrogen using oxygen and COD by nitrifier；D) sewage after sewage flows, Aerobic Process for Treatment
Enter through connecting tube in anaerobic reaction post, and realize in the presence of supporting layer water distribution uniformity；E) anaerobic reactions, sewage is being detested
In oxygen reaction column from the bottom to top in flow process, the anaerobic ammonia oxidizing bacteria in reaction column in sludge can be by nitrite nitrogen and remaining ammonia
Nitrogen is converted into nitrogen, and generates nitrate nitrogen；Nitrate nitrogen can be reduced into nitrogen by denitrifying bacterium using COD；F) sewage backflows, by anaerobism
The sewage of reaction column outflow flows into the bottom that the light weight sludge carried in stillpot, sewage is deposited in stillpot through return duct；So
Sewage is entered the bottom of aerated reaction post by stillpot afterwards；G) circular treatments, sewage is aerated again into aerated reaction post
Processing, and anaerobic reaction post, then the bottom through stillpot and inflow aerated reaction post through return line flow are flowed into through connecting tube, so
Reciprocation cycle, realizes the circular treatment of sewage, has reached the Efficient Conversion of ammonia nitrogen.
The beneficial effects of the invention are as follows：The nitrogen rejection facility of the present invention, the sewage containing ammonia nitrogen and COD enters in aerated reaction post
Row aeration, realizes being touched from tap for sewage and oxygen；Sewage is at the top of aerated reaction post after the separation of three phase separator
Sewage, enters in anaerobic reaction post through connecting tube, through return line flow is through stillpot and enters aerated reaction post after anaerobic reaction
Bottom, circulating for sewage is realized in the presence of aeration.Sewage flow process from the bottom to top in aerated reaction post
In, it is attached to filler and the heterotroph consumption oxygen being free in the aerobic sludge in reaction column and COD, nitrifier and nitrosation
Part mineralized nitrogen is nitrate nitrogen and nitrite nitrogen using oxygen and COD by bacterium；Sewage is flowed over from the bottom to top in anaerobic reaction post
Nitrite nitrogen and remaining mineralized nitrogen can be nitrogen by the anaerobic ammonia oxidizing bacteria in Cheng Zhong, reaction column in sludge, and generate nitrate nitrogen；
Nitrate nitrogen can be reduced into nitrogen by denitrifying bacterium using COD, realize sewage middle and high concentration ammonia nitrogen and COD effective removal.
There is provided one kind combination is a variety of micro- for the synchronization denitrification apparatus and denitrogenation method of the sewage automatic cycle flowing of the present invention
Biological treatment high ammonia nitrogen and high COD waste water and the apparatus and method for reducing energy consumption, using multiple-microorganism of arranging in pairs or groups, conjunction is provided for it
The aerobic and anaerobic environment of suitable existence, and realize by power of gas the automatic cycle flowing of sewage, realizes ammonia nitrogen and COD
Remove completely.
Brief description of the drawings
The structural representation for the synchronization denitrification apparatus that Fig. 1 flows for the sewage automatic cycle of the present invention.
In figure：1 gas outlet, 2 three phase separators, 3 aerated reaction posts, 4 fillers, 5 water inlets, 6 aeration heads, 7 connecting tubes, 8
Anaerobic reaction post, 9 sludge blankets, 10 return ducts, 11 supporting layers, 12 stillpots, 13 mud discharging mouths, 14 overfalls.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the structural representation of the synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention is given, its
It is made up of aerated reaction post 3, anaerobic reaction post 8, stillpot 12, three phase separator 2, connecting tube 7, return duct 10, aerated reaction
The bottom of the internal cavities of post 3 is provided with aeration head 6, and aeration head 6 is connected with aerator, to realize in aerated reaction post 3
The aeration operation of sewage.Three phase separator 2 is located at the upper end of aerated reaction post 3, import and the aerated reaction post of three phase separator 2
2 upper end is communicated, and gas outlet 1 is communicated with the external world, and delivery port is communicated through connecting tube 7 with the bottom of anaerobic reaction post 8.Anaerobic reaction
The bottom of post 8 is provided with supporting layer 11, supporting layer 11 and is uniformly laid with through hole.The top of anaerobic reaction post 8 is through return duct 10
Communicated with the bottom of stillpot 12 and aerated reaction post 3, the top of anaerobic reaction post 8 is provided with overfall 14, anaerobic reaction post 8
Upper end can be communicated with the external world.
Filler 4 is provided with shown aerated reaction post 3 and heterotroph, nitrifier, the sludge of nitrococcus, heterotrophism is inoculated with
Bacterium consumes oxygen and COD, and nitrifier and nitrococcus utilize oxygen and COD to be nitrate nitrogen and nitrite nitrogen by part mineralized nitrogen.Detest
Containing the sludge for being inoculated with anaerobic ammonia oxidizing bacteria and denitrifying bacterium in oxygen reaction column 8, sludge blanket 9, anaerobic ammonia oxidizing bacteria meeting are formed
It is nitrogen by nitrite nitrogen and remaining mineralized nitrogen, and generates nitrate nitrogen；Nitrate nitrogen can be reduced into nitrogen by denitrifying bacterium using COD.
Aeration head 6 carries out aeration aerating in aerated reaction post 3 to sewage, and bubble makes the entirety of gas-liquid in the reaction column close
Degree reduction, makes sewage flow into the bottom of anaerobic reaction post 8 through connecting tube 7, passes through sludge blanket 9 in anaerobic reaction post 8, then from top
Return duct 10 flows into stillpot, and during by stillpot, the light weight sludge carried in sewage stays in groove in the way of precipitating, retain
Bottom, subsequent sewage is flowed into from the bottom of aerated reaction post 3 again, forms the self-loopa flowing of sewage.
Three phase separator 2 can prevent the loss of aerobic sludge in aerated reaction post 3, contribute to aerobic sludge on filler 4
Biofilm, promotes the sludge system fast and stable in the reaction column.The support of supporting layer 11 in anaerobic reaction post 8 lives the particle of anaerobism
Sludge, maintains the biomass in sludge system in anaerobic reaction post 8.Filled when there is new sewage to enter from the bottom of aerated reaction post 3
When putting, due to the connection between aerated reaction post 3 and anaerobic reaction post 8, the liquid level of anaerobic reaction post 8 can be made to increase.Work as liquid level
When rising above return duct 10, it can be flowed out from overfall 14.
Sewage containing ammonia nitrogen and COD is entered by the bottom of aerated reaction post 3 carries out aeration aerating, is attached to filler 4 and trip
From heterotroph consumption oxygen and COD in the aerobic sludge in reaction column, nitrifier and nitrococcus utilize oxygen and COD by portion
Divide mineralized nitrogen for nitrate nitrogen and nitrite nitrogen, and oxygen can be consumed totally.Subsequent sewage flows into anaerobic reaction post 8, anaerobic reaction
The mineralized nitrogen of nitrite nitrogen and remainder can be nitrogen by the anaerobic ammonia oxidizing bacteria in the sludge blanket 9 of post 8, and generate nitrate nitrogen；
Two parts nitrate nitrogen generated before can be reduced into nitrogen by denitrifying bacterium using COD.Sewage can take a small amount of light weight sludge out of by returning
Flow tube 10 flows out, during by stillpot 12, light weight sludge be deposited, retention after discharge, optimize sludge system, subsequent sewage again from
Aerated reaction post is flowed back in the bottom of aerated reaction post 3.Aeration provide aerodynamic force make sewage in a device automatic cycle flow, make with
Upper process is repeated, and realizes Efficient Conversion and removal to ammonia nitrogen and COD.
The denitrogenation method of the synchronization denitrification apparatus of the sewage automatic cycle flowing of the present invention, is realized by following steps：
A) sewage is flowed into, and injects the sewage containing ammonia nitrogen and COD from water inlet, sewage in aerated reaction post from the bottom to top
Flowing；
B) Air Exposures, aerator blasts air into aeration zone by aeration head, makes sewage and oxygen in air abundant
Contact, so as to dissolve a certain amount of oxygen in sewage；
C) aerobic reactions, sewage from the bottom to top in flow process, is attached to filler and is free in reaction column in aerated reaction post
In aerobic sludge in heterotroph consumption oxygen and COD, nitrifier and nitrococcus are turned part ammonia nitrogen using oxygen and COD
Turn to nitrate nitrogen and nitrite nitrogen；
D) sewage after sewage flows, Aerobic Process for Treatment enters in anaerobic reaction post through connecting tube, and real in the presence of supporting layer
Existing water distribution uniformity；
E) anaerobic reactions, sewage is in anaerobic reaction post from the bottom to top in flow process, the anaerobism ammonia oxygen in reaction column in sludge
It can be nitrogen by nitrite nitrogen and remaining mineralized nitrogen to change bacterium, and generates nitrate nitrogen；Nitrate nitrogen can be reduced into by denitrifying bacterium using COD
Nitrogen；
F) sewage backflows, the sewage flowed out by anaerobic reaction post flows into the light weight sludge carried in stillpot, sewage through return duct
It is deposited in the bottom of stillpot；Then sewage is entered the bottom of aerated reaction post by stillpot；
G) circular treatments, sewage carries out Air Exposure again into aerated reaction post, and flows into anaerobic reaction post through connecting tube,
Again through bottom of the return line flow through stillpot and inflow aerated reaction post, and so on circulate, realize the circular treatment of sewage, reach
The Efficient Conversion of ammonia nitrogen is arrived.
Sewage containing ammonia nitrogen and COD is oxygenated in aerated reaction post 3, and promotes sewage automatic in whole device
Circulate, sewage is contacted repeatedly with sludge, reach ammonia nitrogen and COD efficient removal.The plant running later stage, as sludge is negative
The lifting of lotus, the oxygen demand of aerobic sludge also increases, it is possible to increase aeration, increases reflux ratio, further in the increase unit interval
The treating capacity of ammonia nitrogen and COD, realizes the processing of the ammonia nitrogen COD sewage of high concentration big yield.
Claims (5)
1. a kind of synchronization denitrification apparatus of sewage automatic cycle flowing, including aerated reaction post（3）, anaerobic reaction post（8）, three-phase
Separator（2）, connecting tube（7）, return duct（10）And stillpot（12）, the lower end of aerated reaction post is provided with and its internal cavities
The water inlet communicated（5）, the bottom of aerated reaction post internal cavities is provided with aeration head（6）, aeration head is connected with aerator
Connect；It is characterized in that：Three phase separator is located at the upper end of aerated reaction post, the upper end of aerated reaction post and entering for three phase separator
Mouth is communicated, and the gas vent of three phase separator is communicated with the external world, and liquid outlet is through connecting tube（7）With the bottom phase of anaerobic reaction post
It is logical；The top of anaerobic reaction post is through return duct（10）Communicated with the bottom of stillpot and aerated reaction post；Anaerobic reaction post it is upper
End is provided with overfall（14）；
Contain filler in the aerated reaction post（4）With the sludge for being inoculated with heterotroph, nitrococcus and nitrifier；The anaerobism
Reaction column（8）Bottom be provided with supporting layer（11）, offer on supporting layer in through hole, anaerobic reaction post containing being inoculated with anaerobism
The sludge of ammonia oxidation bacteria and denitrifying bacterium.
2. the synchronization denitrification apparatus of sewage automatic cycle flowing according to claim 1, it is characterised in that：The anaerobism is anti-
Ying Zhu（8）With return duct（10）The height of connectivity part is less than overfall（14）Height, the aerated reaction post（3）With connecting tube
（7）The height of connectivity part is not higher than the height of overfall；The upper end of the anaerobic reaction post is communicated with the external world.
3. the synchronization denitrification apparatus of sewage automatic cycle flowing according to claim 1 or 2, it is characterised in that：Nitrogenous dirt
Water is through water inlet（5）By aerated reaction post（3）Bottom enters, by three phase separator（2）, by connecting tube（7）It is transported to anaerobism
Reaction column（8）Bottom, by supporting layer（11）Uniform water distribution is formed, sewage is again by return duct（10）Through stillpot（12）, from
Aerated reaction post（3）Bottom is returned, and forms the circulation of sewage.
4. the synchronization denitrification apparatus of sewage automatic cycle flowing according to claim 1 or 2, it is characterised in that：Contain ammonia
Nitrogen and COD sewage are by aerated reaction post（3）Bottom is attached to filler into being oxygenated（4）Be free in reaction column
Contain heterotroph, nitrifier and nitrococcus, heterotroph consumption oxygen and COD, nitrifier and nitrococcus profit in aerobic sludge
By part mineralized nitrogen it is nitrate nitrogen and nitrite nitrogen with oxygen and COD；Subsequent sewage flows into anaerobic reaction post（8）, the dirt of reaction column
Mud layer（9）In anaerobic ammonia oxidizing bacteria can be nitrogen by the mineralized nitrogen of nitrite nitrogen and remainder, and generate nitrate nitrogen；Denitrification
Nitrate nitrogen can be reduced into nitrogen by bacterium using COD.
5. a kind of denitrogenation method of the synchronization denitrification apparatus of the sewage automatic cycle flowing based on described in claim 1, its feature
It is, is realized by following steps：
A) sewage is flowed into, and injects the sewage containing ammonia nitrogen and COD from water inlet, sewage in aerated reaction post from the bottom to top
Flowing；
B) Air Exposures, aerator blasts air into aeration zone by aeration head, makes sewage and oxygen in air abundant
Contact, so as to dissolve a certain amount of oxygen in sewage；
C) aerobic reactions, sewage from the bottom to top in flow process, is attached to filler and is free in reaction column in aerated reaction post
In aerobic sludge in heterotroph consumption oxygen and COD, nitrifier and nitrococcus are turned part ammonia nitrogen using oxygen and COD
Turn to nitrate nitrogen and nitrite nitrogen；
D) sewage after sewage flows, Aerobic Process for Treatment enters in anaerobic reaction post through connecting tube, and real in the presence of supporting layer
Existing water distribution uniformity；
E) anaerobic reactions, sewage is in anaerobic reaction post from the bottom to top in flow process, the anaerobism ammonia oxygen in reaction column in sludge
It can be nitrogen by nitrite nitrogen and remaining mineralized nitrogen to change bacterium, and generates nitrate nitrogen；Nitrate nitrogen can be reduced into by denitrifying bacterium using COD
Nitrogen；
F) sewage backflows, the sewage flowed out by anaerobic reaction post flows into the light weight sludge carried in stillpot, sewage through return duct
It is deposited in the bottom of stillpot；Then sewage is entered the bottom of aerated reaction post by stillpot；
G) circular treatments, sewage carries out Air Exposure again into aerated reaction post, and flows into anaerobic reaction post through connecting tube,
Again through bottom of the return line flow through stillpot and inflow aerated reaction post, and so on circulate, realize the circular treatment of sewage, reach
The Efficient Conversion of ammonia nitrogen is arrived.
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| CN201710566666.7A CN107235559A (en) | 2017-07-12 | 2017-07-12 | The synchronization denitrification apparatus and method of a kind of sewage automatic cycle flowing |
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| CN201710566666.7A CN107235559A (en) | 2017-07-12 | 2017-07-12 | The synchronization denitrification apparatus and method of a kind of sewage automatic cycle flowing |
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| CN108383241A (en) * | 2018-05-04 | 2018-08-10 | 中国海洋大学 | Self-loopa autotrophic denitrification bioreactor |
| CN110282736A (en) * | 2018-03-19 | 2019-09-27 | 上海超秀环保科技有限公司 | The processing method and system of vinyl-chloride-containing pollutant in underground water |
| CN112320954A (en) * | 2020-11-13 | 2021-02-05 | 山东泰山自迩环保科技有限公司 | Split aeration combined tower and method for treating high-concentration organic and/or nitrogen-containing wastewater |
| CN114835252A (en) * | 2022-05-06 | 2022-08-02 | 江苏科闻环保科技有限公司 | Adjustable three-phase separator for anaerobic reactor |
| WO2023108598A1 (en) * | 2021-12-15 | 2023-06-22 | 北京工业大学 | Wastewater treatment process based on upflow independent-aeration self-circulation high-column aerobic sludge bed |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110282736A (en) * | 2018-03-19 | 2019-09-27 | 上海超秀环保科技有限公司 | The processing method and system of vinyl-chloride-containing pollutant in underground water |
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| WO2023108598A1 (en) * | 2021-12-15 | 2023-06-22 | 北京工业大学 | Wastewater treatment process based on upflow independent-aeration self-circulation high-column aerobic sludge bed |
| CN114835252A (en) * | 2022-05-06 | 2022-08-02 | 江苏科闻环保科技有限公司 | Adjustable three-phase separator for anaerobic reactor |
| CN114835252B (en) * | 2022-05-06 | 2023-02-14 | 江苏科闻环保科技有限公司 | Adjustable three-phase separator for anaerobic reactor |
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