CN207986978U - A kind of synchronous nitration and denitrification sewage-treatment plant - Google Patents
A kind of synchronous nitration and denitrification sewage-treatment plant Download PDFInfo
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- CN207986978U CN207986978U CN201820105391.7U CN201820105391U CN207986978U CN 207986978 U CN207986978 U CN 207986978U CN 201820105391 U CN201820105391 U CN 201820105391U CN 207986978 U CN207986978 U CN 207986978U
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Abstract
The utility model is related to a kind of synchronous nitration and denitrification sewage-treatment plants, including change excrement solid-liquid displacement zone, synchronous nitration and denitrification area, depositing separation area and the sterile zones being sequentially communicated, changes excrement solid-liquid displacement zone and synchronous nitration and denitrification area is equipped at least one reaction member；It is equipped with first between the reaction member of change excrement solid-liquid displacement zone and crosses the mouth of a river；Synchronous nitration and denitrification area is equipped with aeration mechanism, and microbe stuffing is filled in synchronous nitration and denitrification area, and microbe stuffing is the porous three dimensional structure of granularity 20mm to 100mm, and the packing ratio of microbe stuffing in a loose state is 60% to 90%；Reflux mechanism is equipped between depositing separation area and change excrement solid-liquid displacement zone, reflux mechanism water inlet is connected to the bottom of depositing separation area, and reflux mechanism water outlet is connected to the reaction member of change excrement solid-liquid displacement zone head end.The utility model has the advantages that nitration denitrification reaction, good sewage processing effect and efficient, saving energy consumption can be synchronized.
Description
Technical field
The utility model is related to sewage treatment fields, more specifically to a kind of synchronous nitration and denitrification sewage disposal
Device.
Background technology
Currently, in recent years, the miniaturization sanitary sewage disposal to adapt to rural development and Urbanization Progress comes into being is set
Emergence, wherein membrane bioreactor, biological aerated filter, up-flow sludge anaerobic bed etc. are applied, though treatment effeciency is higher,
But equipment management is complicated, denitrification effect unobvious.And use A/O, A2The integration apparatus of/O techniques, though there is certain denitrogenation
Effect, but this kind of denitrification process is typically based on traditional biological denitrificaion theory：The removal of total nitrogen has to pass through nitrification and denitrification
Two independent processes realize that two processes are different to the requirement condition of environment, can not be carried out at the same time.In the finger of this theory
It leads down, traditional biological denitrification process separates nitration reaction with anti-nitration reaction in the time or spatially, is arranged and individually lacks
Oxygen (or anaerobism) and aerobic reactor, or utilize intermittent aerobic, anoxic the method for operation.Meanwhile traditional denitrification process
It is typically necessary and carries out nitrification liquid reflux to improve denitrification effect, energy consumption is higher, and increases equipment investment and daily dimension
Protect administration fee.For middle-size and small-size sewage water dephosphorization denitrification technique, take above-mentioned reflux measure will also be so that treatment facility takes up an area face
Product increases, construction investment increases and system is more complicated, and maintenance management is inconvenient.
In addition, the variation of the distributings sewage quality water such as villages and small towns is greatly, treatment facility requires compact-sized, automated operation etc.
Feature, the problems such as there is also Stability and adaptabilities in terms of using traditional biological denitrification process.Therefore, for above-mentioned area
For, due to economic strength and the shortcoming of technological means, using traditional urban sewage treatment technology, there are problems.Having must
It to be directed to rural area and Urbanization Construction area water pollution feature, the dirt of practical, adaptation to local conditions lower cost is promoted in exploitation
Water technology.
Greatly due to the variation of the distributings sewage quality water such as villages and small towns, active pollution index SND (synchronous nitration and denitrification), good
Oxygen granule sludge SND, membrane bioreactor SND capacity of resisting impact load are poor, do not adapt to the variation of its water quality and quantity.It is fixed
It is more in conceptual phase to change microbial technique, and its operation control is more demanding, is not particularly suited at the decentralized type sewage of villages and small towns
Reason.
Utility model content
Problem to be solved in the utility model is, nitration denitrification reaction can be synchronized, at sewage by providing one kind
Manage good, the efficient synchronous nitration and denitrification sewage-treatment plant of effect.
In order to solve the above-mentioned technical problem, the utility model provides at a kind of synchronous nitration and denitrification sewage of utility model
Manage device comprising change excrement solid-liquid displacement zone, synchronous nitration and denitrification area, depositing separation area and the sterile zones being sequentially communicated, institute
Stating excrement solid-liquid displacement zone and synchronous nitration and denitrification area are equipped at least one reaction member；
The reaction member of describedization excrement solid-liquid displacement zone head end is equipped with water inlet, the reaction list of describedization excrement solid-liquid displacement zone
It is equipped with first between member and crosses the mouth of a river, the reaction member of describedization excrement solid-liquid displacement zone end is first with the synchronous nitration and denitrification area
The reaction member at end is connected to, and second is equipped between the reaction member in the synchronous nitration and denitrification area and crosses the mouth of a river；
The bottom of each reaction member in the synchronous nitration and denitrification area is equipped with aeration mechanism, the simultaneous nitrification and denitrification nitre
Each reaction member for changing area is filled with microbe stuffing, and the microbe stuffing is that granularity is the porous vertical of 20mm to 100mm
Body structure, the packing ratio of microbe stuffing in a loose state described in the synchronous nitration and denitrification area are 60%-90%；
The reaction member of synchronous nitration and denitrification area end is connected to the depositing separation area, the depositing separation area
Reflux mechanism, the bottom of the water inlet and the depositing separation area of the reflux mechanism are equipped between describedization excrement solid-liquid displacement zone
Portion is connected to, and the water outlet of the reflux mechanism is connected to the reaction member of describedization excrement solid-liquid displacement zone head end；
The depositing separation area is connected to the sterile zones, and the sterile zones are equipped with water outlet.
As a kind of preferred scheme of synchronous nitration and denitrification sewage-treatment plant of the utility model, described first crosses water
Mouth is located at the middle part between the reaction member of describedization excrement solid-liquid displacement zone, and described second, which crosses the mouth of a river, is located at the simultaneous nitrification and denitrification
Top between the reaction member of nitrification zone.
As the preferred scheme of the utility model, between describedization excrement solid-liquid displacement zone and the synchronous nitration and denitrification area
Equipped with air lift mechanism, the water inlet of the air lift mechanism is connected to the reaction member of describedization excrement solid-liquid displacement zone end, described
The water outlet of air lift mechanism is connected to the reaction member of synchronous nitration and denitrification area head end.
As the preferred scheme of the utility model, the reaction member of describedization excrement solid-liquid displacement zone end and the synchronous nitre
The top changed between the reaction member of denitrification zone head end is equipped with overflow port.
As the preferred scheme of the utility model, microbe stuffing is in fluffy described in the synchronous nitration and denitrification area
Packing ratio under state is 75%.
As the preferred scheme of the utility model, the microbe stuffing is the porous three-dimensional knot that granularity is 40mm to 60mm
The specific surface area of structure, the microbe stuffing is more than or is equal to 3000m2/m3。
As the preferred scheme of the utility model, the inside of the microbe stuffing is in rib-like structure, and microorganism is in institute
It states apposition growth in rib-like structure and biofilm forms biofilm structure.
As the preferred scheme of the utility model, when microbe stuffing water-filling state, is in stationary state.
As the preferred scheme of the utility model, electrolysis is equipped in the reaction member of synchronous nitration and denitrification area end
Dephosphorization mechanism.
A kind of synchronous nitration and denitrification sewage-treatment plant for implementing the utility model has compared with prior art
Following advantageous effect：
(1) synchronous nitration and denitrification sewage-treatment plant provided by the utility model, since microbe stuffing is granularity
It is the porous three dimensional structure of 20mm-100mm so that dissolved oxygen is restricted in the mass transfer of the external-to-internal of microbe stuffing,
So that the inside of microbe stuffing is formed anoxic zones, and be externally formed with aerobic region, is nitrified on single microbial filler anti-
It synchronous with anti-nitration reaction should carry out, sewage can realize denitrogenation and the degradation of organic matter, sludge in synchronous nitration and denitrification area
Decrement treatment, and denitrification effect can be improved.And pass through the experimental results showed that, the packing ratio of microbe stuffing in a loose state is
60%-90% wastewater treatment efficiencies are preferable.
(2) it since microbe stuffing itself by constituting aerobic zone and anoxic zone inside outside, is carried out therefore without to anoxic pond
Nitrification liquid flows back, and improves sewage treating efficiency, can reduce the energy consumption of whole system.
(3) multiple reaction lists of multiple reaction members of flowing through of sewage excrement solid-liquid displacement zone and synchronous nitration and denitrification area
Member can further strengthen the impact resistance of system, promote effluent quality.
(4) the utility model collection excrement separation of solid and liquid, synchronous nitration and denitrification, precipitation separation, disinfection, technique stream
Journey is simple, system operation easy maintenance, is more applicable for villages and small towns decentralized type sewage processing.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple
Ground introduction.
Fig. 1 is a kind of structural schematic diagram of synchronous nitration and denitrification sewage-treatment plant provided by the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the preferred embodiment of the utility model, a kind of synchronous nitration and denitrification sewage-treatment plant, packet
Include the change excrement solid-liquid displacement zone (pond) 1 being sequentially communicated, synchronous nitration and denitrification area (pond) 2, depositing separation area (pond) 3 and sterile zones
(pond) 4, describedization excrement solid-liquid displacement zone 1 and synchronous nitration and denitrification area 2 are equipped at least one reaction member.
It is arranged 3 with describedization excrement solid-liquid displacement zone 1 below and changes excrement solid-liquid separation tank and the synchronous nitration and denitrification area 2
Setting illustrates for 6 synchronous nitration and denitrification ponds.
The reaction member of 1 head end of describedization excrement solid-liquid displacement zone be equipped with water inlet 6, describedization excrement solid-liquid displacement zone 1 it is anti-
It answers and is equipped with first between unit and crosses the mouth of a river 7, the reaction member and the simultaneous nitrification and denitrification nitre of 1 end of describedization excrement solid-liquid displacement zone
Change the reaction member connection of 2 head end of area, being equipped with second between the reaction member in the synchronous nitration and denitrification area 2 crosses the mouth of a river 8.
The bottom of each reaction member in the synchronous nitration and denitrification area 2 is equipped with aeration mechanism 13, the synchronous nitration
Each reaction member of denitrification zone 2 is filled with microbe stuffing 5, and the microbe stuffing 5 is that granularity is 20mm to 100mm
Porous three dimensional structure, it is preferred that the microbe stuffing 5 is the porous three dimensional structure that granularity is 40mm to 60mm, and described micro-
The specific surface area of biologic packing material 5 is more than or is equal to 3000m2/m3.Polyhedron or sphere can be selected in the microbe stuffing 5, preferably
For square.Treated in addition, the setting of aeration mechanism 13 can make describedization excrement solid-liquid displacement zone 1 sewage and the synchronous nitre
The microbe stuffing 5 changed in denitrification zone 2 comes into full contact with, and external in the microbe stuffing 5 carries out nitration reaction, described
The inside of microbe stuffing 5 carries out anti-nitration reaction, realizes denitrogenation and organic matter degradation.It should also be noted that, due to micro-
Biologic packing material 5 itself carries out nitrification liquid reflux by constituting aerobic zone and anoxic zone inside outside, therefore without to anoxic pond, improves dirty
Water treatment efficiency can reduce the energy consumption of whole system.
The packing ratio of microbe stuffing 5 in a loose state described in the synchronous nitration and denitrification area 2 is 60%-
90%, preferably 75% can effectively improve ammonia nitrogen and nitrogen removal rate.
The reaction member of 2 end of synchronous nitration and denitrification area is connected to the depositing separation area 3, the precipitation separation
Reflux mechanism 14, the water inlet 141 of the reflux mechanism and the precipitation are equipped between area 3 and describedization excrement solid-liquid displacement zone 1
The bottom of Disengagement zone 3 is connected to, the reaction member of the water outlet 142 and 1 head end of describedization excrement solid-liquid displacement zone of the reflux mechanism
Connection.Thereby, it is possible to be reprocessed to sewage, ensure the quality of effluent quality.
The depositing separation area 3 is connected to the sterile zones 4, wherein passes through solid sterilizing medicament in the sterile zones 4
Carry out disinfection sterilizing, and the sterile zones 4 are equipped with water outlet 11, can be by water outlet 11 from outflow water, or passes through pump promotion
Mode is discharged.
Present apparatus collection excrement separation of solid and liquid, synchronous nitration and denitrification, precipitation separation, disinfection, technological process is simple,
System operation easy maintenance is more applicable for villages and small towns decentralized type sewage processing.In addition, changing excrement solid-liquid displacement zone 1 and synchronous nitration
Denitrification zone 2 is made of multiple reaction members, improves the impact resistance of system, promotes effluent quality.
In addition, it is microbe stuffing 5 to choose the porous three dimensional structure that granularity is 20mm-100mm so that dissolved oxygen is in micro- life
The mass transfer of the external-to-internal of object filler 5 is restricted, and the inside of microbe stuffing 5 is made to form anoxic zones, and outside is formed
Aerobic region, nitration reaction is synchronous with anti-nitration reaction on single microbial filler 5 carries out, and sewage is in synchronous nitration and denitrification
Area 2 can realize denitrogenation and the degradation of organic matter, mud decrement processing, and denitrification effect can be improved.
Wherein, it sets the packing ratio of the microbe stuffing 5 in synchronous nitration and denitrification area 2 to 60%-90%, can improve
The removal rate of ammonia nitrogen in sewage and total nitrogen.
More preferably, described first mouth of a river 7 excessively is located at the middle part between the reaction member of describedization excrement solid-liquid displacement zone 1；Institute
It states second and crosses the top that the mouth of a river 8 is located between the reaction member in the synchronous nitration and denitrification area 2；The synchronous nitration and denitrification
The reaction member of 2 end of area is crossed the mouth of a river 9 by third with the depositing separation area 3 and is connected to, and the third crosses the mouth of a river 9 positioned at described
The top of the reaction member of 2 end of synchronous nitration and denitrification area；The depositing separation area 3 passes through the 4th mistake with the sterile zones 4
The mouth of a river 10 is connected to, and the 4th water outlet is located at the top of the depositing separation area 3；The water outlet 11 is located at sterile zones 4
Top.
It should be noted that in being arranged between its reaction member due to the first mistake mouth of a river 7 of change excrement solid-liquid displacement zone 1
Portion so that describedization excrement solid-liquid displacement zone 1 has the function of that runoff investigation, the upper volume of eachization excrement solid-liquid separation tank can be made
For runoff investigation region, avoidableization excrement solid-liquid displacement zone 1 be discharged it is uneven, and can be in reduction system sludge quantity, effectively
Cope with the mutation of sewage water and water quality, the impact resistance of strengthening system.
More preferably, air lift mechanism 12 is equipped between describedization excrement solid-liquid displacement zone 1 and the synchronous nitration and denitrification area 2,
The water inlet 121 of air lift mechanism is connected to the reaction member of 1 end of describedization excrement solid-liquid displacement zone, the water outlet of air lift mechanism
122 are connected to the reaction member of 2 head end of synchronous nitration and denitrification area.In this way, sewage is quantified and is pumped into energy by air lift mechanism 12
Sewage after enough realizationization excrement are separated by solid-liquid separation enters synchronous nitration and denitrification area 2 with constant flow velocity, ensures the steady of system operation
It is qualitative, avoid water variation from causing to impact to whole system.
More preferably, the air lift mechanism 12, aeration mechanism 13 connect same air pump 15, institute with the air supply pipe for the mechanism 14 that flows back
Air pump 15 is stated as sole power equipment in whole system, power-equipment is few, can effectively reduce operation energy consumption.
More preferably, the reaction member of 1 end of describedization excrement solid-liquid displacement zone and 2 head end of synchronous nitration and denitrification area
Top between reaction member is equipped with overflow port 16, and sewage overflows are set when the water of avoiding enter into excrement solid-liquid displacement zone 1 is excessive
It is standby.And the position of the overflow port 16 crosses the position at the mouth of a river 8 higher than second, can avoid in the synchronous nitration and denitrification area 2
Sewage flowed back into describedization excrement solid-liquid displacement zone 1 from the overflow port 16.
More preferably, the inside of the microbe stuffing 5 is in rib-like structure, and microorganism adheres in the rib-like structure
It grows and biofilm forms biofilm structure.The rib-like structure can provide the position of more apposition growths for microorganism, and
Effective large specific surface area can be improved the microorganism concn on microbe stuffing 5, can further improve reaction efficiency, to drop
Low reaction volume of a container reduces production cost.
More preferably, stationary state is in when 5 working condition of the microbe stuffing (water-filling state), in this way, fluid relative
5 wear rate of microbe stuffing of the microbe stuffing 5 of state, stationary state is lower, prolongs the service life, and later maintenance cost
It is low.
More preferably, it is equipped with electrolysis dephosphorization mechanism in the reaction member of 2 end of synchronous nitration and denitrification area, dirt can be reduced
Phosphorus content in water improves effluent quality.
COD (COD), ammonia-nitrogen content, total nitrogen content, SS (solid suspension concentration) base are discharged in the present embodiment
Originally it can reach《Urban wastewater treatment firm pollutant emission standard》(GB18918-2002) level-one B discharge standards.In the present embodiment
The areas SND can reach 95% or more for the removal rate of ammonia nitrogen, can reach 60% or more to the removal rate of total nitrogen, have preferable same
Walk nitration denitrification effect.
In the following, carry out sewage disposal experiment by the synchronous nitration and denitrification sewage-treatment plant of the utility model, with into
Water water quality is：The sanitary sewage of COD=220-450mg/L, ammonia nitrogen=35-45mg/L, total nitrogen=45-52mg/L are processing pair
As microbe stuffing 5 is cube structure.
If other conditions are the same, changeization excrement solid-liquid separation tank unit number respectively, synchronous nitration and denitrification pond
Unit number, the granularity of microbe stuffing 5, packing ratio of the microbe stuffing 5 in synchronous nitration and denitrification pond, with COD, ammonia nitrogen and
For the removal rate of total nitrogen as monitoring index, experiment condition design and experimental result are as follows：
Rational designization excrement regulating reservoir unit number and synchronous nitre are can be seen that from experimental group 1 with the test result of experimental group 2
Change the removal rate that COD, ammonia nitrogen and total nitrogen can be improved in denitrification pool unit number, improves whole treatment effect.
It can be seen that micro- life in synchronous nitration and denitrification pond from the test result of experimental group 1, experimental group 2 and experimental group 4
The granularity of object filler 5 is to influence the important parameter of ammonia nitrogen and total nitrogen removal effect, and the granularity of microbe stuffing 5 is in 20mm-100mm
Range treatment effect it is relatively preferable, the best results when granularity of microbe stuffing 5 is 50mm, it is known that the grain of microbe stuffing 5
Spend the best results that ammonia nitrogen and total nitrogen are removed in 40mm-60mm.The granularity of microbe stuffing 5 is excessive or too small can all influence
The dissolving oxygen gradient formed on filler influences the Bacterial community of the inside and outside nitrification and denitrification bacterium of microbe stuffing 5, from
And influence the effect of the denitrogenation in synchronous nitration and denitrification area 2.
It can be seen that micro- life in synchronous nitration and denitrification area 2 from the test result of experimental group 1 and experimental group 5, experimental group 6
The packing ratio of object filler 5 is to influence the important parameter of ammonia nitrogen and total nitrogen removal effect, in packing ratio in 60%-90% treatment effects
Preferably, wherein showing that treatment effect of the packing ratio at 75% is best from experimental result.
Above disclosed is only the preferred embodiment of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.
Claims (9)
1. a kind of synchronous nitration and denitrification sewage-treatment plant, which is characterized in that including be sequentially communicated change excrement solid-liquid displacement zone,
Synchronous nitration and denitrification area, depositing separation area and sterile zones, describedization excrement solid-liquid displacement zone and synchronous nitration and denitrification area are all provided with
There is at least one reaction member；
The reaction member of describedization excrement solid-liquid displacement zone head end is equipped with water inlet, the reaction member of describedization excrement solid-liquid displacement zone it
Between be equipped with first and cross the mouth of a river, the reaction member of describedization excrement solid-liquid displacement zone end and synchronous nitration and denitrification area head end
Reaction member is connected to, and second is equipped between the reaction member in the synchronous nitration and denitrification area and crosses the mouth of a river；
The bottom of each reaction member in the synchronous nitration and denitrification area is equipped with aeration mechanism, the synchronous nitration and denitrification area
Each reaction member be filled with microbe stuffing, the microbe stuffing be granularity be 20mm to 100mm porous three-dimensional knot
Structure, the packing ratio of microbe stuffing in a loose state described in the synchronous nitration and denitrification area are 60%-90%；
The reaction member of synchronous nitration and denitrification area end is connected to the depositing separation area, the depositing separation area and institute
Reflux mechanism is equipped between stating excrement solid-liquid displacement zone, the water inlet of the reflux mechanism and the bottom of the depositing separation area connect
Logical, the water outlet of the reflux mechanism is connected to the reaction member of describedization excrement solid-liquid displacement zone head end；
The depositing separation area is connected to the sterile zones, and the sterile zones are equipped with water outlet.
2. synchronous nitration and denitrification sewage-treatment plant as described in claim 1, which is characterized in that described first crosses mouth of a river position
Middle part between the reaction member of describedization excrement solid-liquid displacement zone, described second, which crosses the mouth of a river, is located at the synchronous nitration and denitrification
Top between the reaction member in area.
3. synchronous nitration and denitrification sewage-treatment plant as described in claim 1, which is characterized in that describedization excrement is separated by solid-liquid separation
Air lift mechanism, water inlet and the describedization excrement solid-liquid point of the air lift mechanism are equipped between area and the synchronous nitration and denitrification area
Reaction member connection from area end, the water outlet of the air lift mechanism react list with synchronous nitration and denitrification area head end
Member connection.
4. synchronous nitration and denitrification sewage-treatment plant as described in claim 1, which is characterized in that describedization excrement is separated by solid-liquid separation
Top between the reaction member of area end and the reaction member of synchronous nitration and denitrification area head end is equipped with overflow port.
5. synchronous nitration and denitrification sewage-treatment plant as described in claim 1, which is characterized in that the simultaneous nitrification and denitrification nitre
It is 75% to change the packing ratio of microbe stuffing in a loose state described in area.
6. synchronous nitration and denitrification sewage-treatment plant as described in claim 1, which is characterized in that the microbe stuffing is
Granularity is the porous three dimensional structure of 40mm to 60mm, and the specific surface area of the microbe stuffing is more than or is equal to 3000m2/m3。
7. synchronous nitration and denitrification sewage-treatment plant as described in claim 1, which is characterized in that the microbe stuffing
Inside is in rib-like structure, microorganism apposition growth and biofilm formation biofilm structure in the rib-like structure.
8. synchronous nitration and denitrification sewage-treatment plant as claimed in claim 2, which is characterized in that the microbe stuffing fills
Stationary state is in when water state.
9. such as claim 1 to 8 any one of them synchronous nitration and denitrification sewage-treatment plant, which is characterized in that described same
It walks and is equipped with electrolysis dephosphorization mechanism in the reaction member of nitration denitrification area end.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046540A (en) * | 2018-01-22 | 2018-05-18 | 云南合续环境科技有限公司 | A kind of synchronous nitration and denitrification sewage water treatment method and its device |
| CN112811714A (en) * | 2020-12-28 | 2021-05-18 | 北京潮白环保科技股份有限公司 | Sludge-membrane mixed sewage treatment system and method for enhanced denitrification |
| CN116161791A (en) * | 2023-03-09 | 2023-05-26 | 云南合续环境科技股份有限公司 | Rural sewage treatment system and method powered by solar energy |
-
2018
- 2018-01-22 CN CN201820105391.7U patent/CN207986978U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046540A (en) * | 2018-01-22 | 2018-05-18 | 云南合续环境科技有限公司 | A kind of synchronous nitration and denitrification sewage water treatment method and its device |
| CN112811714A (en) * | 2020-12-28 | 2021-05-18 | 北京潮白环保科技股份有限公司 | Sludge-membrane mixed sewage treatment system and method for enhanced denitrification |
| CN116161791A (en) * | 2023-03-09 | 2023-05-26 | 云南合续环境科技股份有限公司 | Rural sewage treatment system and method powered by solar energy |
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Address after: 671000 Room 302, main building, public service center, fortune Industrial Park, Xiangyun County, Dali Bai Autonomous Prefecture, Yunnan Patentee after: Yunnan hexu Environmental Technology Co.,Ltd. Address before: 671000 Room 302, main building, public service center, fortune Industrial Park, Xiangyun County, Dali Bai Autonomous Prefecture, Yunnan Patentee before: YUNNAN HEXU ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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