CN209685514U - A kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization - Google Patents
A kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization Download PDFInfo
- Publication number
- CN209685514U CN209685514U CN201920033596.3U CN201920033596U CN209685514U CN 209685514 U CN209685514 U CN 209685514U CN 201920033596 U CN201920033596 U CN 201920033596U CN 209685514 U CN209685514 U CN 209685514U
- Authority
- CN
- China
- Prior art keywords
- water
- reverse osmosis
- membrane
- sewage treatment
- treatment plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of systems of sewage treatment plant tail water advanced nitrogen dephosphorization, including ultra filtration unit, reverse osmosis units, potassium permanganate composites, anoxic pond, aerobic tank, membrane bioreactor, sludge-tank；Sewage plant tail water is promoted to ultra filtration unit, built-in membrane module removal colloid, suspended matter etc., and ultrafiltration produces water and is promoted to reverse osmosis units, removes dissolved salts, organic pollutant in water removal, reverse osmosis produced water qualified discharge by reverse osmosis membrane assembly.Ultrafiltration concentrated water returns to the water inlet end of sewage plant, and reverse osmosis concentrated water removes total phosphorus by coagulation dosing from potassium permanganate composites are flowed into；Water outlet sequentially enters anoxic pond, aerobic tank, removes total nitrogen by nitration denitrification；The muddy water mixed solution of aerobic tank end outflow enters membrane bioreactor, under high-concentration activated sludge effect, further decomposes ammonia nitrogen and COD, realizes mud-water separation by the retention of ultrafiltration membrane in pond, water purification after pumping takes with reverse osmosis produced water mixing.
Description
Technical field
The utility model belongs to environmental technology field, is related to a kind of system of advanced treatment of wastewater, and in particular to a kind of dirt
The system of water treatment plant's Tailwater Depth denitrogenation dephosphorizing.
Background technique
With the development of society advancement, mankind's activity increasingly increases, the nutrients in a large amount of industrial wastewaters and sanitary sewage
After matter such as nitrogen phosphorus is discharged into lake, reservoir water body, eutrophication is caused, aquatile especially algae destroys mass propagation
The ecological balance of water body, it is very unfavorable to neighbouring environment and residents ' health.
In recent years, China had re-started revision to the Law on Environmental Protection of the People's Republic of China, further clarified
To environmental protection duty of suypervision and control, the environmental protections primary institution such as perfect ecological protection red line enhances enterprise's dirt for government
Dye prevention and treatment responsibility, increases the legal sanction to environmental illegality behavior, enhances enforceability and operability, claimed
For the Law on Environmental Protection of " in history most sternly ".
With the continuous promotion of being becoming increasingly acute and sewage drainage standard of water eutrophication problem, sewage denitrification and dephosphorization
Technology has become current newly-built and reconstruction (upgrading mentions mark) sewage treatment hot and difficult issue.
Advanced nitrogen dephosphorization processing can be divided into the treatment process such as physical treatment, biochemical treatment, chemical treatment.
Biochemical treatment includes anoxic-aerobic process, artificial swamp etc., anoxic-aerobic process comparative maturity, but removal efficiency
It is not high enough, it not can be removed the nitrogen phosphorus of low concentration in water；Though wetland construction cost is low, easy to maintain, occupied area is larger, easily
It is influenced by pest and disease damage, system operation is not sufficiently stable；Physical method includes ammonia-nitrogen desorption, ion-exchange, double films (ultrafiltration membrane, reverse osmosis
Permeable membrane) filtering technique, ammonia-nitrogen desorption method simple process, can effectively remove ammonia nitrogen in water at effect stability, but energy consumption is larger, exists
Secondary pollution；It is preferable that ion exchange resin adsorbs denitrification effect, but resin price is expensive, and resin desorption regeneration can generate a large amount of useless
Liquid will cause secondary pollution if do not dealt carefully with.Chemical method includes electrolysis nitrogen, advanced oxidation, coagulation dosing etc..Electrolysis method energy
Consume that larger, nitric efficiency is not high, is not suitable for Large Sewage Treatment Plant proposes mark project；Advanced oxidation processes sludge quantity is larger, equally exists
Secondary pollution.
Using double membrane process can effectively catching suspended matter, colloid, dissolved salts, organic pollutant etc., using double film works
Skill handles the sewage plant tail water of the phosphorus containing NITROGEN IN LOW CONCENTRATION, and water outlet quality can stably reach " water environment quality standard "
(GB3838-2002) standard limited value of III class, but the concentrated water that gives off of double membrane process accounts for about the 20%~35% of total inflow, and
Containing a large amount of pollutant components, wherein the nutrients such as nitrogen phosphorus are largely enriched with, as discharged without being effectively treated to it, Shi Bicun
The risk of residents ' health near pollution surrounding body environment, harm.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of sewage treatment plant tail water advanced nitrogen dephosphorization
System.
The technical scheme adopted by the utility model is a kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization,
It is characterized in that: including ultra filtration unit, reverse osmosis units, potassium permanganate composites, anoxic pond, aerobic tank, membrane bioreactor, sludge
Pond；
Described ultra filtration unit one end is connect by pipeline with the water outlet of sewage treatment plant original processing system, and the other end leads to
Piping is connect with the reverse osmosis units, described anti-for the production water obtained after ultra filtration unit filtering to be transported to
Permeation unit；The ultra filtration unit is connect by pipeline with the water inlet end of sewage treatment plant original processing system, for that will pass through
The concentrated water obtained after the ultra filtration unit filtering is transmitted back to the water inlet end of the original processing system of sewage treatment plant；
The reverse osmosis units are connect by pipeline with the potassium permanganate composites, for that will pass through the reverse osmosis units
The concentrated water obtained after processing is transported to the potassium permanganate composites；The reverse osmosis units pass through the production that pipeline will obtain after processing
Water qualified discharge；
The potassium permanganate composites, anoxic pond, aerobic tank, membrane bioreactor are sequentially connected by pipeline, and the film is raw
Object reactor passes through the production water qualified discharge that pipeline will obtain after processing；
The aerobic tank is connected to by pipeline with the anoxic pond, is back to for the nitrification liquid in the aerobic tank described
Anoxic pond front end；
The potassium permanganate composites, anoxic pond, aerobic tank, membrane bioreactor bottom pass through pipeline and the sludge-tank
Connection, for regular spoil disposal to the sludge-tank.
The utility model have the characteristics that and the utility model has the advantages that
Advanced treating is carried out to sewage plant tail water using " ultrafiltration+reverse osmosis " process system only to pass through without adding medicament
Physical filtering can remove inorganic salts, organic pollutant, suspended matter in tail water etc., and water outlet quality is high；Wherein reverse osmosis list
The concentrated water of member discharge uses " potassium permanganate composites+anoxic pond+aerobic tank+membrane bioreactor " technique advanced treating, can not only
It goes to denitrogenate P elements, also reduces ammonia nitrogen and the concentration of COD, stable water outlet can mixing.The utility model has the land occupation face of saving
Product, system automation degree are high, process cycle is short, producing water water quality is high, the beneficial effects such as without secondary pollution.
Detailed description of the invention
Fig. 1: the system construction drawing of the utility model embodiment；
Fig. 2: the work flow diagram of the utility model embodiment.
In figure, 1. ultra filtration units, 2. reverse osmosis units, 3. potassium permanganate composites, 4. anoxic ponds, 5. aerobic tanks, the life of 6. films
Object reactor, 7. sludge-tanks, 8. level-one elevator pumps, 9. second level high-tension boosts pump, 10. blowers, 11. sludge pumps, 12. self priming pumps,
13 sludge dehydration devices, 14. sludge diaphragm pumps, 15. nitrification liquid reflux pumps.
Specific embodiment
Understand for the ease of those of ordinary skill in the art and implements the utility model, it is practical new to this with reference to the accompanying drawing
Type is described in further detail, it should be understood that and implementation example described herein is only used for describing and explaining the present invention,
It is not used to limit the utility model.
Referring to Fig.1, a kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization provided by the utility model, including ultrafiltration
Unit 1, reverse osmosis units 2, potassium permanganate composites 3, anoxic pond 4, aerobic tank 5, membrane bioreactor 6, sludge-tank 7；
The level-one A or B of municipal sewage plant's discharge mark tail water, by the promotion of level-one elevator pump 8, into ultra filtration unit
1, colloid, suspended matter, larger molecular organics are retained using hyperfiltration membrane assembly, the production water obtained after filtering is mentioned by second level high pressure
It rises pump and 9 is promoted to reverse osmosis units 2, utilize the dissolved salts, colloid, microorganism, organic in reverse osmosis membrane assembly removal water
Object, heavy metal ion, virus etc., effluent quality fully meet or are higher than " water environment quality standard " (GB3838-2002)
The standard limited value of III class；The concentrated water that ultra filtration unit 1 is discharged returns to the water inlet end of the original processing system of sewage treatment plant, reverse osmosis list
The concentrated water of 2 discharge of member flows into potassium permanganate composites 3, emergency feeding apparatus for powdered activated charcoal is equipped at water inlet, while passing through coagulation
Dosing is removed the total phosphorus in concentrated water, and concentrated water that treated sequentially enters anoxic pond 4, aerobic tank 5, controls dissolved oxygen herein
(DO) concentration, while the nitrification liquid in aerobic tank 5 being made to be back to 4 front end of anoxic pond, it is realized by nitration denitrification effect dense
The removing of total nitrogen in water, the mud mixture that aerobic tank 5 is finally discharged is from membrane bioreactor 6 is flowed into, in high concentration activity dirt
Under the action of mud, it is largely aerated further degradation of ammonia nitrogen, COD, and realize and be separated by solid-liquid separation by the filtration of membrane module, reduced
Concentration of suspension, promotion producing water water quality, water outlet are extracted by self priming pump 12 in water, and are produced water with reverse osmosis units 2 and mixed row
It puts.
Potassium permanganate composites 3, anoxic pond 4, aerobic tank 5, the regular spoil disposal of membrane bioreactor 6 to sludge-tank 7, through sludge every
The extraction of membrane pump 14 is delivered to sludge dehydration device 13, and filter cake is transported outward after dehydration.
The ultra filtration unit 1 of the present embodiment is made of one or more groups of hyperfiltration membrane assemblies, and membrane material is polyether sulfone, putamina main body
Using ABS material, 0.001-0.02 μm of range of film nominal pore, maximum intake pressure 0.5Mpa, maximum transmembrane pressure is reduced to
0.2Mpa, delivery turbidity≤0.2NTU, filter type are inner pressed.The on-line automatic backwash of ultra filtration unit 1, per hour backwash one
It is secondary；And medicine is carried out using 1% citric acid, 0.1% sodium hydroxide solution and is washed, monthly cleaning is primary.
The reverse osmosis units 2 of the present embodiment are made of one or more groups of reverse osmosis membrane assemblies, and membrane material is aromatic series polyamides
Amine film, putamina main material are glass reinforced plastic, and reverse osmosis membrane surface micropore diameter is 0.5-10nm, average intake pressure 1.55Mpa,
Stablizing salt rejection rate is 99.5%.Reverse osmosis units 2 are molten using 1~3% citric acid, 0.5% sodium hydroxide, 0.1% hydrogen peroxide
Liquid carries out medicine and washes, and cleaning in every 6 months is primary.
The potassium permanganate composites 3 of the present embodiment are made of coagulation unit, flocculation unit, precipitation unit three parts, described
Coagulation unit and flocculation unit in dosing coagulant PAC and flocculant PAM respectively, and added in the coagulation unit front end
Emergency Powdered Activated Carbon.
The anoxic pond 4 of the present embodiment, aerobic tank 5, membrane bioreactor 6 carry out aeration oxygen supply by blower 10, aerobic
Nitrification liquid reflux pump 15 is provided on the pipeline that pond 5 is connected to anoxic pond 4.
One or more groups of submerged ultrafiltrations are equipped in the membrane bioreactor 6 of the present embodiment, membrane structure is doughnut
Type, membrane material are Kynoar, and 0.1~0.4 μm of membrane aperture range, 0.1~0.5Mpa of working pressure range, the method for operation is
External-compression type.
The system of the present embodiment can realize PLC Automatic Control.
The utility model uses the method that " ultrafiltration+reverse osmosis " combines and handles sewage plant Tailwater Depth, while right
In the concentrated water of reverse osmosis units discharge, combined using " potassium permanganate composites+anoxic pond+aerobic tank+membrane bioreactor "
Process, technology principle are as follows:
Sewage plant tail water passes through level-one first and is lifted into ultra filtration unit, and under pressure motive force, sewage flows through film surface,
Water and small molecule solute less than fenestra penetrate film, become water purification；It is trapped greater than the solute of fenestra and solute group, with water flow
Discharge, becomes concentrated water.The produced water purification of ultra filtration unit is lifted into reverse osmosis units by second level high-tension boost pump, is being more than that film seeps
Under the high pressure effect pressed thoroughly, water can make inverse osmosis against the direction of naturally osmotic, so that the low-pressure side in film obtains water purification, it is high
Pressure side obtains concentrated water.By reverse osmosis membrane can dissolved salts, macromolecular solute in trap water, effluent quality is higher than III class of earth's surface
Water quality standard；The concentrated water of ultra filtration unit discharge returns to the water inlet end circular treatment purification again of the original processing system of sewage treatment plant,
The nitrogen phosphorus and organic pollutant, concentrated water that the concentrated water of reverse osmosis units output contains high concentration initially enter potassium permanganate composites, this
Locate dosing coagulant PAC, flocculant PAM, so that the phosphorus formation calcium phosphate precipitation in sewage is discharged into sludge by reacting, realize total phosphorus
Removing, at the same in potassium permanganate composites front end add the emergency Powdered Activated Carbon of 20-50mg/L with cope with water variation water quality compared with
Big emergency, water outlet are successively discharged into anoxic pond-aerobic tank, supply oxygen and control under activated sludge effect, while using blower
Dissolved oxygen concentration processed removes ammonia nitrogen, the total nitrogen in water by nitration denitrification effect, reduces COD content；Treated
Mud mixture enters membrane bioreactor (MBR), and activated sludge concentration is up to 8000-12000mg/L in pond, is supplied using blower
Oxygen aeration further decomposes ammonia nitrogen and COD, and filter by submerged ultrafiltration and realize muddy water point under the action of microorganism
From, reduce turbidity, promoted water quality, water purification is extracted out by suction pump, the production water mixing with reverse osmosis units realizes sewage plant
The process of Tailwater Depth denitrogenation dephosphorizing.
See Fig. 2, the workflow of the utility model, comprising the following steps:
Step 1: the tail water with sewage treatment plant's discharge is water inlet, by the promotion of level-one elevator pump 8, into ultra filtration unit
1, colloid and suspended matter are retained by hyperfiltration membrane assembly, the water purification of 1 output of ultra filtration unit is promoted by second level high-tension boost pump 9
To reverse osmosis units 2, the concentrated water that ultra filtration unit 1 is discharged returns to the water inlet end of the original processing system of sewage treatment plant；
Step 2: in reverse osmosis units 2, by dissolubility salt in reverse osmosis membrane assembly trap water and various organic
Pollutant produces water qualified discharge；The concentrated water that reverse osmosis units 2 discharge enters potassium permanganate composites 3；
Step 3:, will in the flocculant PAM for coagulant PAC, the 2-3mg/L for adding 10-80mg/L in potassium permanganate composites 3
Titanium pigment is converted into calcium phosphate precipitation in concentrated water, by removing after tube settling, reduces the content of total phosphorus, while in highly dense
Degree 3 front end of sedimentation basin adds the emergency Powdered Activated Carbon of 20-50mg/L to cope with the biggish emergency of water variation water quality；
Step 4: concentrated water that treated sequentially enters anoxic pond 4, aerobic tank 5, controls dissolved oxygen concentration in pond, and make aerobic
Nitrification liquid in pond 5 is back to 4 leading portion of anoxic pond, mixed liquid recycle ratio value 100%~400% in aerobic tank 5, active dirty
Under mud effect, nitration denitrification reaction is carried out, realizes the removal of total nitrogen in water；
Step 5: the mud mixture that aerobic tank 5 is finally discharged enters membrane bioreactor 6, lives in membrane bioreactor 6
Property sludge concentration 8000~12000mg/L of range, membrane flux value 15L/m2/h.Under activated sludge effect, further degrade
Ammonia nitrogen and COD, and by the filtration of membrane module, it realizes mud-water separation, promote water quality simultaneously, excess sludge passes through sludge pump
11 discharges, water purification and reverse osmosis units 2 produce water mixing.
Step 6: potassium permanganate composites 3, anoxic pond 4, aerobic tank 5, the regular spoil disposal of membrane bioreactor 6 to sludge-tank 7, warp
Sludge diaphragm pump 14 is extracted to sludge dehydration device 13, mud cake outward transport processing.
In the step 1 and step 2 of the present embodiment, the on-line automatic backwash of ultra filtration unit 1, backwash is primary per hour；And it uses
1% citric acid, 0.1% sodium hydroxide solution carry out medicine and wash, and monthly cleaning is primary；1~3% citric acid of the use of reverse osmosis units 2,
0.5% sodium hydroxide, 0.1% hydrogenperoxide steam generator carry out medicine and wash, and cleaning in every 6 months is primary.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of utility model patent protection scope, those skilled in the art are not departing under the enlightenment of the utility model
Under ambit protected by the claims of this utility model, replacement or deformation can also be made, the utility model is each fallen within
Within protection scope, the utility model is claimed range and should be determined by the appended claims.
Claims (7)
1. a kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization, it is characterised in that: including ultra filtration unit (1), reverse osmosis
Unit (2), potassium permanganate composites (3), anoxic pond (4), aerobic tank (5), membrane bioreactor (6), sludge-tank (7)；
Described ultra filtration unit (1) one end is connect by pipeline with the water outlet of sewage treatment plant original processing system, and the other end leads to
Piping is connect with the reverse osmosis units (2), for the production water obtained after the ultra filtration unit (1) filtering to be transported to
The reverse osmosis units (2)；The ultra filtration unit (1) is connected by pipeline and the water inlet end of the original processing system of sewage treatment plant
Connect, for obtained concentrated water after being filtered by the ultra filtration unit (1) be transmitted back to the original processing system of sewage treatment plant into
Water end (W.E.)；
The reverse osmosis units (2) are connect by pipeline with the potassium permanganate composites (3), for that will pass through the reverse osmosis list
The concentrated water obtained after first (2) processing is transported to the potassium permanganate composites (3)；The reverse osmosis units (2) will be located by pipeline
The production water qualified discharge obtained after reason；
The potassium permanganate composites (3), anoxic pond (4), aerobic tank (5), membrane bioreactor (6) are sequentially connected by pipeline,
The membrane bioreactor (6) passes through the production water qualified discharge that pipeline will obtain after processing；
The aerobic tank (5) is connected to by pipeline with the anoxic pond (4), for the nitrification liquid reflux in the aerobic tank (5)
To the anoxic pond (4) front end；
The potassium permanganate composites (3), anoxic pond (4), aerobic tank (5), membrane bioreactor (6) bottom pass through pipeline and institute
Sludge-tank (7) connection is stated, for regular spoil disposal to the sludge-tank (7).
2. the system of sewage treatment plant tail water advanced nitrogen dephosphorization according to claim 1, it is characterised in that: the ultrafiltration list
First (1) is made of one or more groups of hyperfiltration membrane assemblies, and membrane material is polyether sulfone, and putamina main body uses ABS material, film nominal pore
0.001-0.02 μm of range, maximum intake pressure 0.5Mpa, maximum transmembrane pressure is reduced to 0.2Mpa, delivery turbidity≤0.2NTU, mistake
Filter mode is inner pressed.
3. the system of sewage treatment plant tail water advanced nitrogen dephosphorization according to claim 1, it is characterised in that: described reverse osmosis
Unit (2) is made of one or more groups of reverse osmosis membrane assemblies, and membrane material is aromatic polyamide film, and putamina main material is glass
Steel, reverse osmosis membrane surface micropore diameter are 0.5-10nm, and average intake pressure 1.55Mpa, stablizing salt rejection rate is 99.5%.
4. the system of sewage treatment plant tail water advanced nitrogen dephosphorization according to claim 1, it is characterised in that: the high density
Sedimentation basin (3) is made of coagulation unit, flocculation unit, precipitation unit three parts, is divided in the coagulation unit and flocculation unit
Other dosing coagulant PAC, flocculant PAM, and emergency Powdered Activated Carbon is added in coagulation unit front end.
5. the system of sewage treatment plant tail water advanced nitrogen dephosphorization according to claim 1, it is characterised in that: the anoxic pond
(4), the aerobic tank (5), the membrane bioreactor (6) are connect by pipeline with blower (10), carry out aeration oxygen supply；Institute
It states and is provided with nitrification liquid reflux pump (15) on the pipeline that aerobic tank (5) is connected to the anoxic pond (4).
6. the system of sewage treatment plant tail water advanced nitrogen dephosphorization according to claim 1, it is characterised in that: the film biology
One or more groups of submerged ultrafiltrations are equipped in reactor (6), membrane structure is hollow fiber type, and membrane material is Kynoar,
0.1 ~ 0.4 μm of membrane aperture range, 0.1 ~ 0.5Mpa of working pressure range, the method for operation is external-compression type.
7. the system of sewage treatment plant tail water advanced nitrogen dephosphorization described in -6 any one according to claim 1, it is characterised in that:
The sludge-tank (7) is connected to by pipeline with sludge dehydration device (13), and filter cake is transported outward after dehydration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033596.3U CN209685514U (en) | 2019-01-09 | 2019-01-09 | A kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033596.3U CN209685514U (en) | 2019-01-09 | 2019-01-09 | A kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209685514U true CN209685514U (en) | 2019-11-26 |
Family
ID=68598329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920033596.3U Active CN209685514U (en) | 2019-01-09 | 2019-01-09 | A kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209685514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607965A (en) * | 2019-01-09 | 2019-04-12 | 湖北君集水处理有限公司 | A kind of system and method for sewage treatment plant tail water advanced nitrogen dephosphorization |
-
2019
- 2019-01-09 CN CN201920033596.3U patent/CN209685514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607965A (en) * | 2019-01-09 | 2019-04-12 | 湖北君集水处理有限公司 | A kind of system and method for sewage treatment plant tail water advanced nitrogen dephosphorization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2537810B1 (en) | Method for generating fresh water and method for desalinating sea water | |
| CN109607965A (en) | A kind of system and method for sewage treatment plant tail water advanced nitrogen dephosphorization | |
| CN101209886B (en) | Advanced treatment recycling technique of urban sewage | |
| CN102120678B (en) | Sewage recycling device based on electrolysis and membrane biological reactor technology and method thereof | |
| CN206767868U (en) | A kind of garbage percolation liquid treating system | |
| CN103159381A (en) | Fine chemical wastewater treatment and reuse method | |
| CN109231713A (en) | A kind of landfill leachate treatment Zero discharging system | |
| CN104370426B (en) | A kind for the treatment of unit of high-temperature dyeing waste water and method | |
| CN101269903B (en) | Further advanced treatment technique and apparatus for sewage water of oil refining | |
| CN106219884A (en) | The processing method of high ammonia nitrogen landfill leachate | |
| CN109704514A (en) | A kind of system and method for advanced treatment of wastewater and concentrated water disposition | |
| CN109467285A (en) | A kind of sewage plant Tailwater Depth is handled to the system and method for III class water quality standard of earth's surface | |
| CN202415321U (en) | Heavy metal wastewater advanced treatment and reusing device | |
| CN104129887A (en) | Reclaimed water recycling system based on membrane bioreactor | |
| CN211226806U (en) | Zero release processing system of cosmetics waste water | |
| CN101372379B (en) | Double membrane processing method for organic wastewater | |
| CN205347102U (en) | Degree of depth processing system of direct liquefaction of coal sewage | |
| CN209685515U (en) | A kind of system of advanced treatment of wastewater and concentrated water disposition | |
| CN209685514U (en) | A kind of system of sewage treatment plant tail water advanced nitrogen dephosphorization | |
| CN200988816Y (en) | Garbage percolating liquid treating system based on film biological reactor-filter film technology | |
| CN209481424U (en) | A kind of sewage plant Tailwater Depth is handled to the system of III class water quality standard of earth's surface | |
| CN107746154A (en) | One kind printing and dyeing（Containing antimony）Sewage disposal system | |
| CN209128261U (en) | A kind of landfill leachate treatment Zero discharging system | |
| CN207748994U (en) | A kind of printing and dyeing sewage disposal system containing antimony | |
| CN208071544U (en) | A kind of railway communication system production wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430074 No. 3 Huangjiahu University Town, Hongshan District, Wuhan City, Hubei Province Patentee after: Junji Environmental Technology Co.,Ltd. Address before: 430074 No. 3 Huangjiahu University Town, Hongshan District, Wuhan City, Hubei Province Patentee before: HUBEI JUNJI WATER TREATMENT Co.,Ltd. |