CN1631820A - Combined treatment method and system for landfill leachate - Google Patents
Combined treatment method and system for landfill leachate Download PDFInfo
- Publication number
- CN1631820A CN1631820A CNA2005100021371A CN200510002137A CN1631820A CN 1631820 A CN1631820 A CN 1631820A CN A2005100021371 A CNA2005100021371 A CN A2005100021371A CN 200510002137 A CN200510002137 A CN 200510002137A CN 1631820 A CN1631820 A CN 1631820A
- Authority
- CN
- China
- Prior art keywords
- treatment
- biological
- percolate
- ecological
- pool
- 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.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
Disclosed are a method for processing rubbish percolating water and its system. The processing technique realizes the procession by combining the procession, biological processing technology and ecological procession. The system mainly comprises of adjusting pool, biological coagulation pool, high effective biological filtration pool, comprehensive ecological pool and so on. Compared with the present technology, it has rapid processing speed, high quality of water processed which can reach the first-class drainage standard, and can realize naugh drainage of waste water in rubbish processing factory.
Description
Technical field
The present invention relates to a kind of method and system that percolate is handled of being used for, more specifically, the present invention relates to a kind of combined treatment process and system, this technology and system applies the flow process of " materialization processing+biological treatment+Ecological Disposal ".
Background technology
Percolate is as a kind of high concentrated organic wastewater that is difficult to handle, and its composition is extremely complicated, in percolate, and COD
Cr, BOD
5, heavy metal, ammonia nitrogen and salinity content all very high, and the biodegradability of percolate is poor, the organism that molecular weight is big is preponderated therein, and the microbial nutrition element is out of proportion, in addition, percolate also has certain toxicity.Rubbish oozes rate liquid mainly from three aspects: natural precipitation and runoff in (1) landfill yard; (2) rubbish self crude oil is moisture; (3) anaerobic digestion owing to microorganism is decomposed the water that produces behind garbage loading embeading.In a word, percolate has following characteristic: (1) water quality is very complicated, not only contains the organic pollutant of oxygen consumption, also contains each metalloid and nutrient for plants (ammonia nitrogen etc.), for the garbage loading embeading factory that industrial sector uses, also can contain poisonous, deleterious organic pollutant in the percolate; (2) BOD
5, COD concentration height, reach as high as several ten thousand units, be higher than municipal effluent far away; (3) organic pollutant category is many, wherein has to be difficult to non-chlorination aromatics such as biodegradable naphthalene, phenanthrene, chlorination aromatics, phosphoric acid ester, phthalic ester, phenolic compound and amino benzenes compounds etc.; (4) contain more than ten kind of metal ion, heavy metal ion wherein can be to the microorganisms restraining effect; And (5) ammonia-nitrogen content is high and lack phosphoric, thereby bring certain difficulty to biological treatment.
In view of percolate has above-mentioned feature, therefore, how it being handled just becomes a stubborn problem.Obviously, the simple qualified discharge that adopts any treatment process all to be difficult to realize percolate, thereby how people are exploring economy and treating refuse percolate efficiently always, at present, multiple technology and the equipment that is used for percolate is carried out combined treatment has appearred in the prior art.For example in the CN1433978A patent document, disclose a kind of combined processing technique of garbage percolates, the key step of this technology is electrolysis treatment → biochemical treatment → fluoridize sterilization, but this technology only is suitable for each stage percolate of refuse landfill is carried out processing up to standard, all has deficiency aspect processing power and the efficient.Patent document CN1478737A discloses another kind of garbage leachate treatment process, and the key step of this technology is the biochemical treatment of electrolytic oxidation processing → ceramic membrane and separation → reverse-osmosis treated.This technology has also adopted electrolysis process and permeation filtration method, though water outlet also can reach first discharge standard, has the shortcoming that investment is big, running cost is high.Disclose among the patent document CN1490264A percolate has been carried out the technology that multistage deep biochemical materialization is handled, this process using treatment processs such as reinforcement oxidation, catalytic pyrolysis, coagulation clarification, filtering membrane, reverse osmosis, the complex process of this treatment process, and processing power is limited.In a word, present percolate combined treatment technology exists and much is difficult to the problem taken into account.Need to develop a kind of novel percolate combined treatment technology in the prior art.
Summary of the invention
Based on above-mentioned problem, the invention provides a kind of percolate combination treatment method and system, this treatment process is achieved by materialization processing, biologic treating technique and Ecological Disposal are combined.System of the present invention mainly is made up of pre-exposure equalizing tank, biological coagulative precipitation tank, high-efficiency bio-filter pool, comprehensive ecological pond etc.Compared with prior art, the present invention has that processing speed is fast, effluent quality is high, and its water outlet can reach first discharge standard, and can realize the destructor plant sewage zero-discharge.
According to an aspect of the present invention, the application has proposed a kind of method to percolate execution combined treatment, and the method comprising the steps of: utilize biological coagulation sedimentation method to carry out primary reinforcement and handle; Adopt immobilized microorganism-biological filter that the percolate of handling through one-level is carried out second-stage treatment; And to the sewage execution tertiary treatment through second-stage treatment, it is characterized in that: the mode of coagulating sedimentation+Ecological Disposal has been adopted in described tertiary treatment.
In the present invention,, can efficiently, stably handle almost various types of percolates, and guarantee the ecological safety of sewage treatment project by adopting tertiary treatment and using ecological treatment method.
According to an aspect of the present invention, in second-stage treatment, used immobilized microorganism technique.
According to a further aspect in the invention, in tertiary treatment, using artificial wet land is carried out described Ecological Disposal.
In accordance with a further aspect of the present invention, employed flocculation agent was tamed the second-stage treatment residual active sludge and is obtained during one-level was handled.
In another aspect of this invention, the application has proposed a kind of system that is used for percolate is carried out combined treatment, this system comprises: pre-exposure equalizing tank, biological coagulative precipitation tank and high-efficiency bio-filter pool is characterized in that: described system also comprises a comprehensive ecological pond.
In composite processing system of the present invention, owing to synthetically used materialization processing, biologic treating technique and Ecological Disposal, thus strong to the processing power of sewage, efficient is high, and can obtain ecological benefits.
In accordance with a further aspect of the present invention, the high-efficiency bio-filter pool that is adopted in the system comprises BAF (I-BAF) and anaerobic biofilter (I-AF).
According to a further aspect in the invention, efficient suspension macropore carrier and immobilized microorganism have been used in the biological filter.
According to the another aspect of this aspect, biological coagulating sedimentation has used flocculation agent, and this flocculation agent is tamed the residual active sludge of high-efficiency bio-filter pool and obtained.
According to a further aspect in the invention, system also comprises a coagulative precipitation tank.
From the detailed description of hereinafter doing, can more clearly understand above-mentioned content of the present invention and other feature and advantage with reference to accompanying drawing.
Description of drawings
Below with reference to accompanying drawings preferred implementation of the present invention is described in detail, in the accompanying drawings:
Fig. 1 is the process flow sheet of percolate composite processing system according to an embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings ultimate principle of the present invention and illustrative embodiments are explained in detail.
At first ultimate principle of the present invention is discussed.Fig. 1 has represented the flow process of combined treatment process of the present invention and the function of each processing structures.At first through the processing of a pre-exposure equalizing tank (not shown), the percolate of regulating after handling through pre-exposure is transported in the biological coagulation basin percolate, and passes through tertiary treatment successively, becomes the water outlet that meets first discharge standard at last.System below with reference to accompanying drawings is introduced tertiary treatment of the present invention:
Biological coagulative precipitation tank (belonging to one-level handles)
The present invention adopts enhanced primary to handle (biological coagulating sedimentation) as preprocessing means, and its advantage is that floor space is little, and working cost is low, thereby can reduce the capital construction cost and the working cost of second-stage treatment greatly; Wherein used flocculation agent adopts by the second-stage treatment residual active sludge and tames and the biological flocculant that obtains, be characterized in integrating absorption, biological degradation, sludge yield is low, good to larger molecular organics and SS removal effect, and can not cause chemical pollution to mud, mud can be used as fertilizer.
Immobilized microorganism-biological filter (I-AF anaerobic biofilter and I-BAF BAF belong to second-stage treatment)
It is BAF (I-BAF) and the anaerobic biofilter (I-AF) that main body constitutes that second-stage treatment relates to the immobilized microorganism, the characteristics of this method be that effluent quality is good, floor space is little and technology in do not produce stink, belong to advanced person's water technology.I-BAF of the present invention and I-AF technology are the advantage that has absorbed domestic and international biological filter, the sewage treatment technique that adopts high-effective microorganism and immobilized microorganism technique development to form.Compare with traditional biological filter, I-BAF and I-AF have adopted the class macropore carrier that efficiently suspends, and this carrier is different with conventional carriers, the very big (400000m of its specific surface area
2/ m
3), porosity height (＞96%).Simultaneously, by molecular designing, introduced a large amount of activity and strong polar group in carrier, and by immobilization technology, will make a variation in a large number bacterium and zymin are fixed on firmly on the carrier, its unit volume biomass is big, reaches as high as 60g/L.The average wet density of carrier behind the immobilized microorganism is 1.00g/cm
3, in water, be suspension.Because adopt immobilization technology, the microorganism difficult drop-off had so both improved biological concentration, had avoided obstruction again, with respect to conventional activated sludge process, omitted second pond and mud and refluxed, sludge quantity reduces 90%.
Microorganism is adopted the composite bacteria of being made up of effectively compound microbial and zymin, it strengthens the product that obtains with improving to natural microorganisms, the domestication speed of this microorganism is fast, to organic degradation speed is 100 times of active sludge, and surplus sludge volume is few, and the anti impulsion load ability is strong, content of microorganisms in the unit volume is hundred million/g of 30-50, thereby pollutants removal rate height, speed are fast, can not cause secondary pollution, and biological activity is preferably arranged especially at low temperatures.This product all has degradation effect preferably to handling peculiar smell, aliphatic hydrocarbon, aromatics, phenolic compound etc., and tensio-active agent, lipid acid, leather waste water, pharmaceutical wastewater, ketone etc. are also had degradation effect.In addition, this microorganism can be born higher organic loading, the cell growth is fast, utilization ratio is high, system is stable, also can move under aerobic, double oxygen and anaerobic state, contains nitrifier in this microorganism, apace the oxidation ammonia nitrogen.
Aerating system has adopted ADS high efficient aeration system in I-BAF, and this system has overcome many shortcomings of traditional aerating system, have mass transfer evenly, coefficient of oxygen utilization up to 30-60%, energy consumption is low, the life-span is long and be easy to advantage such as construction.
I-BAF and I-AF have the advantage of stable water outlet under high influent load, its pollutant removal amount and clearance all increase with the raising of influent concentration, promptly clearance raises with the increase of COD volumetric loading in the finite concentration scope, shows as BAF and has and adapt to the excellent ability of handling high-concentration waste water.Therefore, adopt I-BAF and I-AF technology, system volume is reduced greatly, thereby reduce the land seizure area, reduce construction costs, save land resources.In I-BAF and I-AF technology, can keep diversity of organism according to carrier property, aerobic, anaerobism, amphimicrobe are existed simultaneously, improved and removed organic broad spectrum, especially removing NH
4 +There is its unique advantage-N and total nitrogen aspect.This one-level technology is taken into account the strong point of activated sludge process, biomembrance process and immobilized microorganism simultaneously, absorbed the fast advantage of mass transfer velocity of biological fluidized bed, thereby make entire sewage treatment project initial cost reduce, working cost reduces, processing efficiency improves, floor space significantly reduces, and avoids can not causing secondary pollution to environment.
Coagulating sedimentation+Ecological Disposal (tertiary treatment)
The third stage of the present invention is handled the treatment process that has adopted coagulating sedimentation to combine with ecological wastewater processing.Coagulating sedimentation adopts the little flocculation agent of polymeric aluminum, is characterized in good to the removal effect of COD and colourity, and easy and simple to handle, is a comparatively sophisticated treatment technology.The technological core of Ecological Disposal is then based on artificial swamp etc., thereby can guarantee the ecological safety of sewage treatment project.Artificial wet land system is the ecological wastewater processing technology of " utilizing and regeneration " mating type, and it has the dephosphorization of denitrogenating and the organic function of efficient degradation equally.The plant that the advantage of artificial marsh sewage treatment system is to grow in wherein can be realized coadaptation mutually with microorganism.Sewage flows through from growth has the medium of plant, thereby produce physical actions such as filtration, precipitation, absorption, and the chemical reaction of various ways takes place between pollutent and matrix, simultaneously, plant also has the effect that pollutent is absorbed and assimilates, and by root, stem and leaf to water body and hypothallus oxygen supply, multiple microorganism around making digests degradation of organic substances under anaerobism, the oxygen of holding concurrently, complex state such as aerobic, nitrogenous pollutent, the absorption of nitrification and denitrification absorbs pollutents such as phosphorus, thereby becomes the ecological engineering Sewage treatment systems with good ecological regulatory function.
As adopting technological line based on above-mentioned technology, then the entire treatment engineering is built up a Living Water Park that is the theme with hydrophilic culture, embody the harmony that sewage disposal and ecoscape are built.
To introduce a tentative concrete example that adopts above-mentioned treatment scheme below.The designed water of one percolate treatment project is: dry season 100m
3/ d, abundance of water 200m in season
3/ d, annual processing power 150m
3/ d.The influent quality of system is: COD≤8000-16000 (mg/l); BOD
5≤ 4000-8000 (mg/l); NH
4-N≤750-1500 (mg/l); SS≤400-800 (mg/l).And effluent quality requires to meet " consumer waste filling and embedding pollution control criterion " (GB16889-1997) secondary standard design.That is: COD≤300 (mg/l); BOD
5≤ 4000-8000 (mg/l); NH
4-N≤25 (mg/l); SS≤200 (mg/l).
The structure of treatment system is composed as follows:
(1) leachate collection, equalizing tank
Leachate collection, equalizing tank are arranged on bottom, natural gully, and its effect is to collect, regulate the water quality and the water yield, guarantee that subsequent disposal is stable.Leachate collection, equalizing tank cubic capacity 3000m3, size 20 * 15 * 5.5m, steel and concrete structure, 2 of quantity.
(2) biological coagulation, settling tank
Biological coagulation basin adds an amount of active sludge and high-effective microorganism, further reduces organic pollution load and water quality colourity, foul smell etc.Coagulation basin size 4.2m * 3m * 4.5m, steel and concrete structure is installed aerating system in the pond; Settling tank size 3.0 * 3.0 * 5.5m, steel and concrete structure is installed the spoil disposal facility at the bottom of the pond.
(3) immobilized microorganism-anaerobic biofilter (I-AF pond)
The macropore suspending carrier that is fit to growth of anaerobion population and procreation is loaded in the I-AF pond, adds the efficient anaerobic microorganism.I-AF pool size 8.4 * 8.4 * 5.0m divides two groups of two-stage parallel connection operations, and steel and concrete structure is installed ADS aeration tube and shore pipe at the bottom of the pond.
(4) immobilized microorganism-BAF (I-BAF pond)
The macropore suspending carrier that is fit to growth of aerobic microbiological population and procreation is loaded in the I-BAF pond, adds the high-efficiency aerobic microorganism.I-BAF pool size 8.4 * 8.4 * 5.0m divides two groups of two-stage parallel connection operations, and steel and concrete structure is installed ADS aeration tube and shore pipe at the bottom of the pond.
(5) back coagulation basin and coagulative precipitation tank
Coagulation basin adds chemical coagulator and flocculation agent, and organic pollution load and water quality colourity in the waste water are further reduced.Back coagulation basin size 1.5 * 1.5 * 1.5m, steel and concrete structure is installed stirring system in the pond; Settling tank size 3.0 * 3.0 * 5.5m, steel and concrete structure, the spoil disposal facility is installed in the bottom.
(6) comprehensive ecological pond
Cobble, gravel, desulfurization ash and granulated active carbon, river sand etc. are loaded in comprehensive ecological pond layering successively, and the top layer is provided with water distributor, and bottom is provided with header, surface plantation ornamental plant.Comprehensive ecological pond total area 150m
2, ovalization is divided into 2 Chi Qu.Reserve one jiao in each pond district and be set to see the fishpond.See and to culture ornamental fish in the fishpond, view and admire and check effluent quality aquatic attitude and biotic influence.
Test is found, is adopted above-mentioned system can reach predetermined design objective fully, and have very high usefulness and stability.
Although above the specific embodiment of the present invention is described, but this only is exemplary, those skilled in the art can figure out: in claims institute restricted portion, multiple other embodiment can also be arranged, and all based on the embodiment of design philosophy of the present invention all within the scope of the invention.
Claims (9)
1, a kind of method to percolate execution combined treatment, the method comprising the steps of: utilize biological coagulation sedimentation method to carry out primary reinforcement and handle; Adopt immobilized microorganism-biological filter that the percolate of handling through one-level is carried out second-stage treatment; And to the execution of the sewage after second-stage treatment tertiary treatment, it is characterized in that: the mode of coagulating sedimentation+Ecological Disposal has been adopted in described tertiary treatment.
2, combination treatment method according to claim 1 is characterized in that: in second-stage treatment, used immobilized microorganism technique.
3, combination treatment method according to claim 1 is characterized in that: in tertiary treatment, using artificial wet land is carried out described Ecological Disposal.
4, according to the described combination treatment method of one of claim 1 to 3, it is characterized in that: employed flocculation agent was tamed the second-stage treatment residual active sludge and is obtained during one-level was handled.
5, a kind of system that is used for percolate is carried out combined treatment, this system comprises: pre-exposure equalizing tank, biological coagulative precipitation tank and high-efficiency bio-filter pool is characterized in that: described system also comprises a comprehensive ecological pond.
6, composite processing system according to claim 5 is characterized in that: the high-efficiency bio-filter pool that is adopted in the system comprises BAF (I-BAF) and anaerobic biofilter (I-AF).
7, composite processing system according to claim 5 is characterized in that: used efficient suspension macropore carrier and immobilized microorganism in the biological filter.
8, composite processing system according to claim 5 is characterized in that: biological coagulative precipitation tank has used flocculation agent, and this flocculation agent is tamed the residual active sludge of high-efficiency bio-filter pool and obtained.
9, composite processing system according to claim 5 is characterized in that: system also comprises a coagulative precipitation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100021371A CN1277768C (en) | 2005-01-14 | 2005-01-14 | Combined treatment method and system for landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100021371A CN1277768C (en) | 2005-01-14 | 2005-01-14 | Combined treatment method and system for landfill leachate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631820A true CN1631820A (en) | 2005-06-29 |
| CN1277768C CN1277768C (en) | 2006-10-04 |
Family
ID=34852933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100021371A Expired - Fee Related CN1277768C (en) | 2005-01-14 | 2005-01-14 | Combined treatment method and system for landfill leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1277768C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420642C (en) * | 2006-10-25 | 2008-09-24 | 北京大学 | Combined process of treating azo dye effluent with high salinity |
| CN101973678A (en) * | 2010-11-03 | 2011-02-16 | 上海泓济环保工程有限公司 | Bioaugmentation treatment technology of high ammonia nitrogen wastewater |
| CN102285740A (en) * | 2010-06-21 | 2011-12-21 | 天津科技大学 | Non-waste treatment method for garbage leachate |
| CN101921046B (en) * | 2010-02-08 | 2012-05-23 | 北京大学 | New process for treating coal gasification wastewater with active coke |
| CN104058545A (en) * | 2013-03-18 | 2014-09-24 | 平湖市新埭镇周玉良牧场 | Method for treating aquaculture sewage through combination of biological carrier and ecological restoration technology |
| CN105417778A (en) * | 2015-11-26 | 2016-03-23 | 南京贝克特环保科技有限公司 | Method for quickly treating excrement wastewater in large-scale dairy farm |
| CN105502852A (en) * | 2016-01-22 | 2016-04-20 | 南京贝克特环保科技有限公司 | Method for quickly treating refuse leachate of refuse incineration plant |
| CN105621806A (en) * | 2016-01-22 | 2016-06-01 | 南京贝克特环保科技有限公司 | Biological coagulation oxidation process for rapidly treating kitchen waste wastewater |
| CN109231554A (en) * | 2018-10-12 | 2019-01-18 | 南京易洁环保科技有限公司 | A kind of urban sewage purification technique |
| CN110734146A (en) * | 2019-11-18 | 2020-01-31 | 深圳市承亿生物科技有限公司 | landfill leachate treatment method |
-
2005
- 2005-01-14 CN CNB2005100021371A patent/CN1277768C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420642C (en) * | 2006-10-25 | 2008-09-24 | 北京大学 | Combined process of treating azo dye effluent with high salinity |
| CN101921046B (en) * | 2010-02-08 | 2012-05-23 | 北京大学 | New process for treating coal gasification wastewater with active coke |
| CN102285740A (en) * | 2010-06-21 | 2011-12-21 | 天津科技大学 | Non-waste treatment method for garbage leachate |
| CN101973678A (en) * | 2010-11-03 | 2011-02-16 | 上海泓济环保工程有限公司 | Bioaugmentation treatment technology of high ammonia nitrogen wastewater |
| CN104058545A (en) * | 2013-03-18 | 2014-09-24 | 平湖市新埭镇周玉良牧场 | Method for treating aquaculture sewage through combination of biological carrier and ecological restoration technology |
| CN104058545B (en) * | 2013-03-18 | 2015-08-19 | 平湖市新埭镇周玉良牧场 | Bio-carrier is combined the method for administering aquaculture wastewater with ecological reestablishment |
| CN105417778A (en) * | 2015-11-26 | 2016-03-23 | 南京贝克特环保科技有限公司 | Method for quickly treating excrement wastewater in large-scale dairy farm |
| CN105417778B (en) * | 2015-11-26 | 2018-05-25 | 南京贝克特环保科技有限公司 | A kind of method of quick treatment scale cattle farm waste waste water |
| CN105502852A (en) * | 2016-01-22 | 2016-04-20 | 南京贝克特环保科技有限公司 | Method for quickly treating refuse leachate of refuse incineration plant |
| CN105621806A (en) * | 2016-01-22 | 2016-06-01 | 南京贝克特环保科技有限公司 | Biological coagulation oxidation process for rapidly treating kitchen waste wastewater |
| CN105502852B (en) * | 2016-01-22 | 2018-06-19 | 南京贝克特环保科技有限公司 | A kind of method of quick processing garbage burning factory landfill leachate |
| CN105621806B (en) * | 2016-01-22 | 2018-10-30 | 南京贝克特环保科技有限公司 | A kind of biological coagulation oxidation technology of quick processing kitchen garbage, waste-water |
| CN109231554A (en) * | 2018-10-12 | 2019-01-18 | 南京易洁环保科技有限公司 | A kind of urban sewage purification technique |
| CN110734146A (en) * | 2019-11-18 | 2020-01-31 | 深圳市承亿生物科技有限公司 | landfill leachate treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1277768C (en) | 2006-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1277768C (en) | Combined treatment method and system for landfill leachate | |
| Green et al. | Advanced integrated wastewater pond systems for nitrogen removal | |
| US4415450A (en) | Method for treating wastewater using microorganisms and vascular aquatic plants | |
| Ansola et al. | Removal of organic matter and nutrients from urban wastewater by using an experimental emergent aquatic macrophyte system | |
| Lariyah et al. | Application of moving bed biofilm reactor (MBBR) and integrated fixed activated sludge (IFAS) for biological river water purification system: a short review | |
| CN101905944B (en) | Composite-type sewage sludge treatment system for artificial wetland | |
| Abidi et al. | Comparative pilot study of the performances of two constructed wetland wastewater treatment hybrid systems | |
| CN101544445B (en) | A method for restoring microorganism ecology of paper making waste water and a device | |
| CN1872745A (en) | Infiltration method for treating garbage | |
| CN1693231A (en) | System and process for sawage treating with baffling wet land filtering tank and rateral underflow wet land bed | |
| CN100336749C (en) | Garbage percolation liquid treating system and method | |
| CN106430845A (en) | Kitchen garbage wastewater treatment apparatus | |
| Mažeikienė | Improving small-scale wastewater treatment plant performance by using a filtering tertiary treatment unit | |
| CN1120131C (en) | Purifying treatment method for diffusion water of garbage burying ground | |
| Inanc et al. | Colour removal from fermentation industry effluents | |
| CN1400174A (en) | Anaerobic aerobic flocculation precipitation sewage treatment process | |
| CN1654352A (en) | System and method for urban sewage chemical-biologic composite deep phosphorous removal | |
| Kumwimba et al. | Performance of various fillers in ecological floating beds planted with Myriophyllum aquaticum treating municipal wastewater | |
| KR100631373B1 (en) | Contact oxidation apparatus having maximized removal efficiency of nitrogen and phosphorous and contact oxidation method thereby | |
| Ali et al. | Pilot-scale study based on integrated fixed-film activated sludge process for cement industrial wastewater treatment | |
| CN201485321U (en) | High-efficiency composite biological aeration filter | |
| KR100949246B1 (en) | Method for proessing the orgnic scrapped materials | |
| Ahmad et al. | A review of municipal solid waste (MSW) landfill management and treatment of leachate | |
| KR100335997B1 (en) | Septic tank comprised of composite materials and a process for purifying wastewater by using the same | |
| CN201722253U (en) | Synchronous sewage denitrification and phosphorus-removal system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20220114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |