CN101973681B - Sewage treatment technology with sequencing mud membrane symbiosis method - Google Patents
Sewage treatment technology with sequencing mud membrane symbiosis method Download PDFInfo
- Publication number
- CN101973681B CN101973681B CN201010541950A CN201010541950A CN101973681B CN 101973681 B CN101973681 B CN 101973681B CN 201010541950 A CN201010541950 A CN 201010541950A CN 201010541950 A CN201010541950 A CN 201010541950A CN 101973681 B CN101973681 B CN 101973681B
- Authority
- CN
- China
- Prior art keywords
- sewage
- aerobic
- membrane cisterna
- mud membrane
- aerobic mud
- 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
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a sewage treatment technology with a sequencing mud membrane symbiosis method, comprising the following steps: adding an anerobic microorganism carrier into a sealed anaerobic adjusting tank; stirring sewage by gas generated in the anerobic treatment process in an anerobic mode; and causing the anaerobic adjusting tank to intermittently operate within 24 hours. Sewage performed with anerobic treatment is pumped to the bottom of a one-level aerobic mud membrane tank to be distributed; during one-level aerobic mud membrane treatment, stirred, aerated and precipitated supernate automatically flows into the bottom of a second-level aerobic mud membrane tank to be distributed in the mode of ejecting water for effluent, then the processed supernate is performed with second-level aerobic mud membrane treatment, and operation is intermittently carried out within 24 hours; the one-level aerobic mud membrane pool is in high sludge concentration state, and the second-level aerobic mud membrane pool is in the low sludge concentration state; the supernate of sewage, which is stirred, aerated and precipitated, automatically flows in for coagulating sedimentation treatment in the mode of ejecting water for effluent. The supernate automatically flows in for coagulating sedimentation for chemical dephosphorization; the mixture is filtered to remove residual organic matter and suspended matters to reach standard water quality. The invention has the beneficial effects of smooth and intact treatment process, low operation cost, land saving, strong anti-impact load, and can prevent sewage from expanding, and treatment of sewage is efficient and saves energy.
Description
Technical field
The present invention relates to a kind of sewage treatment technique, concrete is sequence batch (mud film symbiosis method sewage treatment process.
Background technology
Water is an important factor of Economic development and social sustainable development.Along with the continuous expansion of city size and the increase of population, water environment pollution has become a great problem.Municipal effluent is the major reason of present rivers and lakes water pollution, is the one of the main reasons of the many urban sustainable developments of restriction.City domestic sewage has been handled since the Industrial Revolution, more and more is subject to people's attention.Treatment rate of domestic sewage has become an important symbol that whether civilized the area is.Municipal sewage treatment from primary handle naturally, simple one-level handles to develop into and utilizes various modern techniquies, deeply treating wastewater, and reuse.Treatment process also develops into A/O, A from traditional activated sludge process, oxidation ditch process
2/ O, AB, SBR comprise kinds of processes such as cyclic activated sludge system, to reach different water outlet requirements.In today that the natural fresh water resource has day by day frequently been broken out by abundant exploitation, natural disaster; lack of water has been lived to the economy in numerous cities, countries in the world and citizen and has been constituted very serious threat; the lack of water crisis has been the reality that we face, and the important channel that solves the urban water shortage problem should be that municipal effluent is become the Urban water supply water source.Municipal effluent can get nearby, and steady sources is collected easily, is reliable and stable resource of water supply.Municipal effluent reuse after purifying mainly can be used as municipal greening, landscape water and process water.Along with the continuous expansion of city size and the development in cities and towns self, sewage treatment facility progressively increases on a small scale, and rural area samll cities and towns are more and more urgent for the requirement of the condition of bettering people's living environment.There is the problem of the following aspects in a lot of existing sewage treatment process: the water quality after the processing is not up to standard, and cost investment is excessive, and ton water direct working cost is too high, and floor space is excessive, or can't operation steady in a long-term or the like problem.
Summary of the invention:
The objective of the invention is provides a kind of sequence batch (mud film symbiosis method sewage treatment process at various scale sewage disposals.The present invention can make water quality, cost investment, working cost, the integrated value optimization of index such as floor space and operation life, make microbial population diversity and quantity maximization in the Sewage treatment systems, can operation steady in a long-term guarantee that effluent quality is better than urban wastewater treatment firm pollutant emission standard GB18918-2002 one-level A.
The technical solution adopted in the present invention is:
Sequence batch (mud film symbiosis method sewage treatment process comprises anaerobic treatment, the processing of two-stage aerobic mud film, coagulating sedimentation and filtration, it is characterized in that, concrete technology is as follows:
(1) anerobic sowage is regulated
Add the anaerobion carrier in the anaerobism equalizing tank of sealing, utilize the regular anaerobism of the gas that produces in the anaerobic treatment process to stir sewage, the intermittent operation in 24 hours of anaerobism equalizing tank;
(2) sewage aerobic is handled
Through the sewage of anaerobic treatment is evacuated to the aerobic mud membrane cisterna bottom uniformly distributing of one-level by pump after, entering the aerobic mud film of one-level handles, supernatant liquor through stirring, aeration, post precipitation flows into the aerobic mud membrane cisterna of secondary bottom certainly by the mode of top water water outlet again, carrying out the aerobic mud film of secondary after the uniformly distributing handles, intermittent operation in 24 hours
Packing volume is 1.4-1.8V in the aerobic mud membrane cisterna of one-level, V=
;
Packing volume is about 1.8-2.2V in the aerobic mud membrane cisterna of secondary, V=
;
The aerobic mud membrane cisterna of one-level is in high sludge concentration state, and MLSS is at least 3500mg/L;
The aerobic mud membrane cisterna of secondary is in low sludge concentration state, and MLSS is at least 2000mg/L;
Supernatant liquor through stirring, aeration, post precipitation enters the coagulating sedimentation processing by the mode of top water water outlet from flowing into to sewage again in secondary aerobic treatment pond, and the admission of aerobic mud membrane cisterna aeration is at least 2 points;
(3) the supernatant liquor gravity flow after the aerobic mud film of secondary is handled enters coagulating sedimentation and handles, and carries out chemical dephosphorization, operation continuously in 24 hours;
Residual organic substances is removed in operation filtration continuously in (4) 24 hours, and suspended substance becomes water quality up to standard.
Anaerobism described in the step (1) stirs the sewage mode, in the anaerobism equalizing tank, establish penetrating agitation vat up and down, extract the gas that produces in the anaerobic treatment process with blower fan, exhaust makes progress from the agitation vat bottom, sewage in the agitation vat is up, forms negative pressuren zone, and the sewage natural of agitation vat bottom is up, formation sewage stirs, and described regular stirring is stirred during for aeration.
Sewage uniformly distributing described in the step (2) enters bottom, firsts and seconds aerobic treatment pond, is by multi-functional water distributor the sewage uniformly distributing to be entered bottom, one-level aerobic treatment pond.
Intermittent operation in 24 hours described in step (1) and (2) is: move 6 cycles every day, and 4 hours each cycles, Inlet and outlet water 1 hour, aeration 2 hours precipitates 1 hour.
Intermittent operation in 24 hours described in step (1) and (2) is: move 8 cycles every day, and 3 hours each cycles, Inlet and outlet water 0.5 hour, aeration 1.5 hours precipitates 1 hour.
Packing volume is about 1.4-1.8V in the aerobic mud membrane cisterna of one-level described in the step (2), V=
, packing volume is about 1.8-2.2V in the aerobic mud membrane cisterna of secondary, V=
, wherein: Q is average day sewage quantity; Ln is water inlet BOD
5Concentration; Lt is water outlet BOD
5Concentration; M is volumetric loading gBOD
5/ m
3.d.
When two-stage aerobic mud membrane cisterna carried out top water water outlet described in the step (2), the hydraulic surface loading of the aerobic mud membrane cisterna of one-level was 3-5 m
3/ (m
2H), the hydraulic surface loading of the aerobic mud membrane cisterna of secondary should be controlled at 4.4-6m
3/ (m
2H).
The admission of aerobic mud membrane cisterna aeration is at least 2 points described in the step (2), by admission control aeration rate, makes the dissolved oxygen content of the aerobic mud membrane cisterna of one-level maintain 2.5-3.5mg/l, and the dissolved oxygen content of the aerobic mud membrane cisterna of secondary maintains 1.5-2mg/l.
Chemical dephosphorization described in the step (3) is to add the metal-salt medicament in coagulation basin, mixes, and reaction, precipitation is removed throw out; Described metal-salt medicament is common Tai-Ace S 150, aluminum chloride, polymerize aluminum chloride, ferrous sulfate.
The present invention is through a large amount of test, sums up packing volume and average day sewage quantity in the two-stage aerobic mud membrane cisterna of the quality that can guarantee sewage disposal and running cost; Water inlet BOD
5Concentration; Water outlet BOD
5Concentration; And volumetric loading gBOD
5/ m
3.d the relation between, the hydraulic surface loading of two-stage aerobic mud membrane cisterna and anerobic sowage adjusting, sewage aerobic processing, chemical dephosphorization and filtering cycle of operation every day, the Inlet and outlet water in each cycle, aeration and sedimentary time and order.The present invention passes through the degradation treatment of anaerobism equalizing tank bio-carrier surface anaerobion earlier, add after the regular circulation anaerobic gas stirring, sewage enters the aerobic mud film of one-level and handles, supernatant liquor through stirring, aeration, post precipitation enters the aerobic mud film processing of secondary again, supernatant liquor through stirring, aeration, post precipitation enters the coagulating sedimentation processing more equally again, carries out chemical dephosphorization, removes the minute quantity residual organic substances in filtering mode at last, suspended substances etc. guarantee that effluent quality is up to standard.Two-stage aerobic mud film processing water inlet is all the uniformly distributing for the treatment of pond front bottom end and goes into, and water outlet is all the terminal flowing full water level position for the treatment of pond and goes out, and it is to adopt sophisticated A that two-stage aerobic mud film is handled
2/ O handles the control mode of mechanism+two-stage biological contact oxidation method structure formation+SBR technology, and biomembrance process is combined with activated sludge process, collects the advantage of three class technologies, remedies the deficiency of technology separately, in the hope of reaching the good effect of treat effluent water quality.The present invention has realized stirring, aeration and precipitation in the two-stage aerobic pond, do not need to establish settling tank specially, has reduced the pond appearance, thereby has reduced floor space, has saved the soil.Be suitable for the sewage disposal in community, cities and towns especially.
The beneficial effect of sequence batch (mud film symbiosis method sewage treatment process of the present invention is:
A. the complete smoothness of treatment process.The present invention sums up on the basis of the deficiency of various traditional waste water treatment process and advantage, through physics, chemistry, biological three kinds of processing modes, learn from other's strong points to offset one's weaknesses, thereby reach the effect that operation effluent quality steady in a long-term is better than urban wastewater treatment firm pollutant emission standard GB18918-2002 one-level A.
B. it is energy-efficient to dispose of sewage.The present invention has mud and film simultaneously in technology, improved biomass and population diversity, thereby has greatly improved sewage treating efficiency, for once promotes in three steps of sewage from the anaerobic treatment to the coagulating sedimentation and consumes kinetic energy.
C. working cost is low.The present invention fully uses waterpower to stir and plug-flow, and flow by gravity shortens aeration time, thereby reduced working cost.
D. save the soil.The pond appearance of the aerobic mud film of the present invention treating pond is compared with the pond of technologies such as SBR, ICEAS, CASS appearance, reduces 1/4, with oxidation ditch, A/O, A
2Technologies such as/O are compared, and reduce 1/3, thereby have reduced floor space, have saved the soil.
E. anti-shock loading is strong, can prevent sludge bulking.
Description of drawings
Accompanying drawing is sequence batch (mud film symbiosis method sewage treatment process figure of the present invention.
Embodiment
Sequence batch (mud film symbiosis method sewage treatment process, main units is the aerobic mud membrane cisterna of anaerobism equalizing tank, one-level, the aerobic mud membrane cisterna of secondary, coagulative precipitation tank and filter tank, all structures can be built jointly also can divide and build.
Add the anaerobion carrier in the anaerobism equalizing tank of sealing, utilize the gas that produces in the anaerobic treatment process when aeration, regularly to stir sewage, described gas stirring sewage mode is, establish penetrating agitation vat up and down in the anaerobism equalizing tank, extract the gas that produces in the anaerobic treatment process with blower fan, exhaust makes progress from the agitation vat bottom, sewage in the agitation vat is up, form negative pressuren zone, the sewage natural of agitation vat bottom is up, and sewage forms 360 degree anaerobism and stirs around agitation vat.After sewage carries out the adjusting of anaerobic degradation, the water yield and water quality at the anaerobism equalizing tank, be evacuated to the aerobic mud membrane cisterna of one-level bottom by pump, by multi-functional water distributor with the sewage uniformly distributing, the intermittent operation in 24 hours of anaerobism equalizing tank.
The aerobic mud membrane cisterna of one-level is in high sludge concentration state, and the aerobic mud membrane cisterna of secondary is in low sludge concentration state;
Packing volume is 1.4-1.8V in the aerobic mud membrane cisterna of one-level, V=
; Wherein: Q is average day sewage quantity; Ln is water inlet BOD
5Concentration; Lt is water outlet BOD
5Concentration; M is volumetric loading gBOD
5/ m
3.d.
Packing volume is about 1.8-2.2V in the aerobic mud membrane cisterna of secondary, V=
; Wherein: Q is average day sewage quantity; Ln is water inlet BOD
5Concentration; Lt is water outlet BOD
5Concentration; M is volumetric loading gBOD
5/ m
3.d.
The aerobic mud membrane cisterna of one-level is in high sludge concentration state, and MLSS is at least 3500mg/L; The aerobic mud membrane cisterna of secondary is in low sludge concentration state, and MLSS is at least 2000mg/L;
Sewage through anaerobic treatment is evacuated to the aerobic mud membrane cisterna of one-level bottom by pump, enter bottom, one-level aerobic treatment pond by multi-functional water distributor uniformly distributing, entering the aerobic mud film of one-level handles, supernatant liquor through stirring, aeration, post precipitation flows into the aerobic mud membrane cisterna of secondary bottom certainly by the mode of top water water outlet again, handle by carrying out the aerobic mud film of secondary after the multi-functional water distributor uniformly distributing, make and in water inlet, can play the effect of anoxia stirring, intermittent operation in 24 hours again.Supernatant liquor through stirring, aeration, post precipitation enters the coagulating sedimentation processing by the mode of top water water outlet from flowing into to sewage again in secondary aerobic treatment pond.According to water yield size, the admission of aerobic mud membrane cisterna aeration can be divided into and multiple spot at 2, and when the adjusting water entry made two-stage aerobic mud membrane cisterna carry out top water water outlet, the hydraulic surface loading of the aerobic mud membrane cisterna of one-level was controlled at 3-5 m
3/ (m
2H), the hydraulic surface loading of the aerobic mud membrane cisterna of secondary should be controlled at 4.4-6m
3/ (m
2H), the dissolved oxygen content of the aerobic mud membrane cisterna of one-level maintains about 2.5-3.5mg/l, and the dissolved oxygen content of the aerobic mud membrane cisterna of secondary maintains about 1.5-2mg/l.Carry out chemical dephosphorization at coagulation basin, remove the minute quantity residual organic substances in filtering mode at last, suspended substance etc. guarantee that effluent quality is up to standard.The method of chemical dephosphorization is to adopt prior art, is specially to add the metal-salt medicament in coagulation basin, mix, and reaction, precipitation is removed throw out; Described metal-salt medicament is common Tai-Ace S 150, aluminum chloride, polymerize aluminum chloride, ferrous sulfate etc.The metal-salt medicament is the high volence metal ion medicament, is added in the sewage and can generates difficult deliquescent compound with the dissolved phosphorus ionic bond in the sewage.For economic reasons, the metal-salt medicament that is used for the phosphorus precipitating mainly is Fe
3+Salt, Al
3+Salt and Fe
2+Salt.For example: common Tai-Ace S 150, aluminum chloride, polymerize aluminum chloride, ferrous sulfate or the like.Added amount of chemical is that added amount of chemical does not wait from 5-40ppm according to water quality situation difference.The dosing reaction process is divided three steps: about 6 seconds of mix stages, the about 10-15 of step of reaction minute, precipitate phase was about 1-1.5 hour.Mixing and precipitation process all rely on the flow by gravity of water, and reaction process can be considered to add mixing tank and stir.
Entire sewage Design of processing system parameter and operational process are as follows:
(1) anaerobism equalizing tank and two-stage aerobic mud membrane cisterna are pressed the twenty four hours intermittent operation, and coagulating sedimentation and filtration then move continuously by twenty four hours.The pattern of intermittent operation generally is divided into 6 cycles and 8 cycles, two kinds of patterns according to the difference of water quality, the water yield.The concrete control mode in 6 cycles is: 4 hours each cycles, and Inlet and outlet water 1 hour, aeration 2 hours precipitates 1 hour; The concrete control mode in 8 cycles is again: 3 hours each cycles, and Inlet and outlet water 0.5 hour, aeration 1.5 hours precipitates 1 hour.The intermittent operation part is controlled the start and stop of each motor according to the liquid level of anaerobism equalizing tank, and operation part is continuously controlled the start and stop of each motor according to the liquid level of coagulative precipitation tank.
Claims (1)
1. sequence batch (mud film symbiosis method sewage treatment process comprises anaerobic treatment, the processing of two-stage aerobic mud film, coagulating sedimentation and filtration, it is characterized in that, concrete technology is as follows:
(1) anerobic sowage is regulated
Add the anaerobion carrier in the anaerobism equalizing tank of sealing, utilize the regular anaerobism of the gas that produces in the anaerobic treatment process to stir sewage, the intermittent operation in 24 hours of anaerobism equalizing tank;
(2) sewage aerobic is handled
Through the sewage of anaerobic treatment is evacuated to the aerobic mud membrane cisterna bottom uniformly distributing of one-level by pump after, entering the aerobic mud film of one-level handles, supernatant liquor through stirring, aeration, post precipitation flows into the aerobic mud membrane cisterna of secondary bottom certainly by the mode of top water water outlet again, carrying out the aerobic mud film of secondary after the uniformly distributing handles, intermittent operation in 24 hours
Packing volume is 1.4-1.8V in the aerobic mud membrane cisterna of one-level, V=
;
Packing volume is about 1.8-2.2V in the aerobic mud membrane cisterna of secondary, V=
;
Wherein: Q is average day sewage quantity; Ln is water inlet BOD
5Concentration; Lt is water outlet BOD
5Concentration; M is volumetric loading gBOD
5/ m
3.d;
The aerobic mud membrane cisterna of one-level is in high sludge concentration state, and MLSS is at least 3500mg/L;
The aerobic mud membrane cisterna of secondary is in low sludge concentration state, and MLSS is at least 2000mg/L;
Sewage enters the coagulating sedimentation processing by the mode of top water water outlet from flowing into again at the supernatant liquor of the stirring of the aerobic mud membrane cisterna process of secondary, aeration, post precipitation;
The admission of aerobic mud membrane cisterna aeration is at least 2 points;
(3) the supernatant liquor gravity flow after the aerobic mud film of secondary is handled enters coagulating sedimentation and handles, and carries out chemical dephosphorization, operation continuously in 24 hours;
Residual organic substances, suspended substance are removed in operation filtration continuously in (4) 24 hours, become water quality up to standard.
2, sequence batch (mud film symbiosis method sewage treatment process according to claim 1, it is characterized in that, anaerobism described in the step (1) stirs the sewage mode, establishes penetrating agitation vat up and down in the anaerobism equalizing tank, extracts the gas that produces in the anaerobic treatment process with blower fan, exhaust makes progress from the agitation vat bottom, sewage in the agitation vat is up, forms negative pressuren zone, and the sewage natural of agitation vat bottom is up, formation sewage stirs, and described regular stirring is stirred during for aeration.
3, sequence batch (mud film symbiosis method sewage treatment process according to claim 1, it is characterized in that, sewage uniformly distributing described in the step (2) enters the aerobic mud membrane cisterna of firsts and seconds bottom, is by multi-functional water distributor the sewage uniformly distributing to be entered the aerobic mud membrane cisterna of firsts and seconds bottom.
4, sequence batch (mud film symbiosis method sewage treatment process according to claim 1 is characterized in that intermittent operation in 24 hours described in step (1) and (2) is: move 6 cycles every day, 4 hours each cycles, Inlet and outlet water 1 hour, aeration 2 hours precipitates 1 hour.
5, sequence batch (mud film symbiosis method sewage treatment process according to claim 1 is characterized in that intermittent operation in 24 hours described in step (1) and (2): move 8 cycles every day, 3 hours each cycles, Inlet and outlet water 0.5 hour, aeration 1.5 hours precipitates 1 hour.
6, sequence batch (mud film symbiosis method sewage treatment process according to claim 1 is characterized in that when two-stage aerobic mud membrane cisterna carried out top water water outlet described in the step (2), the hydraulic surface loading of the aerobic mud membrane cisterna of one-level was 3-5 m
3/ (m
2H), the hydraulic surface loading of the aerobic mud membrane cisterna of secondary should be controlled at 4.4-6m
3/ (m
2H).
7, sequence batch (mud film symbiosis method sewage treatment process according to claim 1, it is characterized in that, the admission of aerobic mud membrane cisterna aeration is at least 2 points described in the step (2), by admission control aeration rate, make the dissolved oxygen content of the aerobic mud membrane cisterna of one-level maintain 2.5-3.5mg/l, the dissolved oxygen content of the aerobic mud membrane cisterna of secondary maintains 1.5-2mg/l.
8, sequence batch (mud film symbiosis method sewage treatment process according to claim 1 is characterized in that, the chemical dephosphorization described in the step (3) is to add the metal-salt medicament in coagulation basin, mix, and reaction, precipitation is removed throw out; Described metal-salt medicament is common Tai-Ace S 150, aluminum chloride, polymerize aluminum chloride, ferrous sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010541950A CN101973681B (en) | 2010-11-12 | 2010-11-12 | Sewage treatment technology with sequencing mud membrane symbiosis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010541950A CN101973681B (en) | 2010-11-12 | 2010-11-12 | Sewage treatment technology with sequencing mud membrane symbiosis method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101973681A CN101973681A (en) | 2011-02-16 |
| CN101973681B true CN101973681B (en) | 2011-12-07 |
Family
ID=43573599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010541950A Active CN101973681B (en) | 2010-11-12 | 2010-11-12 | Sewage treatment technology with sequencing mud membrane symbiosis method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101973681B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108726676A (en) * | 2017-04-21 | 2018-11-02 | 湖南山河美生物环保科技股份有限公司 | One-stop AO degradations high-concentration sewage resource utilization system |
| CN108275832B (en) * | 2018-01-23 | 2019-06-11 | 昆明水啸科技有限公司 | The combined fluidized bed method for repairing river black and odorous water and eutrophic lake water |
| CN115321673A (en) * | 2022-10-13 | 2022-11-11 | 青岛万慧源环保科技有限公司 | Sludge-membrane symbiotic sewage treatment process technology |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1484287B1 (en) * | 2002-02-01 | 2006-04-05 | Universidade De Santiago De Compostela | Hybrid biological membrane reactor for the treatment of urban and industrial waste water |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318323C (en) * | 2005-12-23 | 2007-05-30 | 北京盖雅环境科技有限公司 | Method for highly efficient treatment of yellow ginger-processing wastewater and uses thereof |
| CN101700948B (en) * | 2009-11-20 | 2011-08-03 | 上海应用技术学院 | Wastewater treatment technology for textile dyeing and finishing industry |
-
2010
- 2010-11-12 CN CN201010541950A patent/CN101973681B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1484287B1 (en) * | 2002-02-01 | 2006-04-05 | Universidade De Santiago De Compostela | Hybrid biological membrane reactor for the treatment of urban and industrial waste water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101973681A (en) | 2011-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102910788B (en) | A kind of waste water advanced denitrification process | |
| CN101870544B (en) | Method for treating petroleum refining waste water | |
| CN100369836C (en) | Synchronous denitrogen dephosphorus technology of city sewagte | |
| CN206767868U (en) | A kind of garbage percolation liquid treating system | |
| CN104030443A (en) | Fine management-based municipal sewage enhanced phosphorus and nitrogen removal system and treatment process thereof | |
| CN103979750B (en) | Reactor for sewage treatment and phosphorus recovery and method for recovering phosphorus by using same | |
| CN103755108B (en) | Municipal wastewater purification treatment method | |
| CN105417765B (en) | A kind of municipal sewage organic carbon enriching and recovering utilizes device and its application method | |
| CN103910431A (en) | Device and method for enhancing reduction of denitrified coupling sludge in urban sewage by using intra-sludge carbon sources by two stages of sequencing batch reactors (SBR) | |
| CN202744423U (en) | Integrated bio-contact oxidation device for treating rural domestic sewage | |
| CN210855718U (en) | Novel rural sewage treatment system | |
| CN101863592B (en) | Leachate treatment method for small town household refuse landfill sites | |
| CN101973681B (en) | Sewage treatment technology with sequencing mud membrane symbiosis method | |
| CN112441701B (en) | Shale gas flowback fluid efficient treatment, reuse and zero emission method and system | |
| CN113501620A (en) | Municipal sewage purification and regeneration system and method based on anaerobic and electrolytic denitrification | |
| CN107055940B (en) | High-ammonia-nitrogen sewage advanced treatment process based on short-cut nitrification and denitrification | |
| CN107473492A (en) | Multiple physical field strengthens oxidation Decomposition purifier and its contamination governing method | |
| CN103387311B (en) | A kind of waste disposal plant and method | |
| CN203976573U (en) | Synchronously realize the system that industrial cycle water softening and sewage phosphorus reclaim | |
| CN110304791A (en) | Sewage imitates self-purification system and method | |
| CN202658008U (en) | Sewage denitrifying phosphorus and nitrogen removal device of combined bio-filter of membrane bioreactor | |
| CN115385526A (en) | Urban sewage treatment system and treatment method | |
| CN108341560A (en) | A kind of Small Town Wastewater treatment process based on anaerobism MBR technology | |
| CN204779252U (en) | Domestic sewage's device is handled to fe -C+A2O technology | |
| CN112979107A (en) | Method for synchronous denitrification and toxicity reduction of biochemical tail water by micro-current electrolysis coupling mixed nutrition type filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |