CN101269856B - Method and special apparatus for refuse leachate disposal - Google Patents
Method and special apparatus for refuse leachate disposal Download PDFInfo
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- CN101269856B CN101269856B CN2008101028600A CN200810102860A CN101269856B CN 101269856 B CN101269856 B CN 101269856B CN 2008101028600 A CN2008101028600 A CN 2008101028600A CN 200810102860 A CN200810102860 A CN 200810102860A CN 101269856 B CN101269856 B CN 101269856B
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Abstract
The invention discloses a method of treating garbage seeping liquid and a special device thereof. The device of treating the garbage seeping liquid provided by the invention comprises two garbage reactors 1 connected in series and a garbage reactor 2. The garbage reactors 1 and the garbage reactor 2 comprise a pool body, a water distribution device and a vent-pipe. The top part of the pool body is open and the bottom is provided with a through hole. The water distribution device is used for leading the garbage seeping liquid towards the pool body. The vent-pipe is arranged vertically in the tank body to be used for the ventilation. The application of the device of treating the garbage seeping liquid of the invention can realize the sustainable yield of a garbage land fill filed, and achieve the zero draining purpose of the seeping liquid.
Description
Technical field
The present invention relates to the method and the isolated plant thereof for the treatment of refuse percolate.
Background technology
Landfill percolate has characteristics such as the fluctuation of water quality complexity, the water yield is big, hazardous and noxious substances content height.Up to now, nearly all sewage water treatment method all has been used for the processing of percolate, but mostly runs into problems such as water outlet difficulty up to standard, processing cost are higher, system stability difference.No matter adopt which kind of treatment technology, the percolate problem all is subjected to the influence of waste stabilisation, and the waste stabilisation time is long more, and it is just long more that percolate is handled the cycle.Percolate is handled the difficult problem that become international in the landfill yard daily administration.
Traditional sanitary filling field is paid attention to: the moisture content that (1) restriction enters the rubbish in the landfill yard, so that the percolate that rubbish produces is minimum; (2) for preventing percolate polluted surface water and underground water, therefore, the moisture of landfill yard is in " loss " state always, and does not replenish.More and more lower water ratio has reduced the degraded activity of an interior microorganism, has prolonged the maintenance phase of landfill yard greatly, has increased the possibility of percolate polluted underground water.At the problems that traditional sanitary landfill exists, the bio-reactor sanitary landfill is arisen at the historic moment.The bio-reactor sanitary landfill is the effect by autotelic control device enhancement microbiological, makes in the rubbish a kind of garbage loading embeading mode of easily degraded and medium easy degraded organic constituent acceleration stabilization.These control conditions comprise fluid (water, percolate) injection, the design of substituting tectum, nutrition interpolation, pH regulator, temperature control, oxygen supply and microbial inoculant etc.Though bioreactor landfill has many advantages, also have following problem: 1) operations such as intensification, the adjusting of pH value, inoculation have increased working cost; 2) initial reaction stage, percolate Pollutant levels are high for a long time, easily cause the souring stage cycle stretch-out as not carrying out the adjusting of pH value, influence the stabilization process of whole landfill unit; 3) under the anaerobism landfill process, long-term leachate recirculation exists in ammonia-state nitrogen the cumulative problem, particularly percolate in late period ammonia nitrogen concentration particularly high; 4) still have the high density percolate to need to handle behind the recirculation process, can't realize zero release.
In order to overcome the shortcoming of anaerobic type bio-reactor, the positive filial piety professor of colored Shima of Japanese Fukuoka university has carried out the experiment of " cycle type semi-aerobic bio-reactor landfill " on " accurate aerobe reactor landfill " theoretical basis.The core of cycle type semi-aerobic landfill technology is an introducing air in waste layer, in quickening landfill waste under the prerequisite of the aerobic decomposition of organism, recharge percolate to guarantee in the landfill layer competent moisture being arranged, so both reduced the quantity discharged of percolate, reduced the pollution intensity of percolate again.
But character and China of Japanese landfill waste are different, and its rubbish mainly is cinder from refuse incineration, organic content is very low, and the surplus organic content that waits in the kitchen in China's rubbish is very high, and, although accurate aerobic landfill has reduced the quantity discharged of percolate, still can't realize zero release.Need exploitation to be fit to the accurate aerobic landfill process of China's rubbish characteristic.
Present studies show that, under the condition of not carrying out artificial means such as the adjusting of pH value, temperature regulation, utilizes mineralized waste to carry out percolate and handles biochemical oxygen demand (BOD) (BOD
5), chemical oxygen demand (COD) (COD) and ammonia-state nitrogen (NH
3-N) can reach effect preferably, can reach the purpose of cutting down voltaile fatty acid (VFA) content in the percolate, reduction ammonia nitrogen concentration, regulating pH value and increase basicity.In order to quicken the stabilization of new refuse, shorten percolate and handle the cycle, consider accurate aerobe reactor landfill and mineralized waste processing percolate technology are combined.
Summary of the invention
The device that the purpose of this invention is to provide a kind for the treatment of refuse percolate.
The device for the treatment of refuse percolate provided by the present invention comprises two placed in-line rubbish reactors 1 and rubbish reactor 2;
Described rubbish reactor 1 and rubbish reactor 2 comprise pond body, water-distributing device and vent-pipe;
The open-top of described pond body, the bottom is provided with through hole;
Described water-distributing device is used for importing percolate to described pond body;
Described vent-pipe is perpendicular to place described pond body, is used for ventilating.
Take all factors into consideration the influence of ventilation effect and precipitation, the internal diameter of described vent-pipe is 2-3cm, and the placement density of described vent-pipe in described rubbish reactor 1 or rubbish reactor 2 is 1-3 vent-pipe/m
2, the bottom of described vent-pipe communicates with the leachate collection pipe.
For the ease of gaseous diffusion, also be provided with through hole on the tube wall of described vent-pipe.
The diameter of the through hole on the described vent-pipe is 0.2-0.5cm, and the be provided with density of described through hole on vent-pipe is 500-1000 through hole/m
2
For the ease of the collection and the ventilation of percolate, the diameter of the through hole of described pond body bottom is 1-3cm.
Also be provided with water pump in the device for the treatment of refuse percolate of the present invention, be used for the water-distributing device of the percolate importing rubbish reactor 2 of described rubbish reactor 1 generation, the percolate that described rubbish reactor 2 was handled are imported in the water-distributing device of rubbish reactor 1.
The through hole of described rubbish reactor 1 and rubbish reactor 2 bottoms also is connected with collection tube, is used to collect the percolate of described rubbish reactor 1 and rubbish reactor 2 and ventilate.
Another object of the present invention provides a kind of method of utilizing above-mentioned garbage filter liquid processing device treating refuse percolate.
The method for the treatment of refuse percolate provided by the present invention, be that pending rubbish is packed in the described rubbish reactor 1, mineralized waste is packed in the described rubbish reactor 2, start described garbage filter liquid processing device, the percolate that produces in the described rubbish reactor 1 is poured in the water-distributing device of described rubbish reactor 2, percolate is handled the back circulated backfilling extremely in the water-distributing device of described rubbish reactor 1 through mineralized waste, percolate does not efflux, operation reaches emission standard or reaches the standard of including city planting ductwork in until leachate quality so repeatedly.
Wherein, described rubbish reactor 1 is support and layer, pending waste layer and earthing and the water distribution uniformity layer of catchmenting from bottom to top successively;
Described support is highly to be the particle of described pond body virtual height 1/10-1/20 with the layer that catchments; Described pending waste layer is highly to be the pending rubbish of described pond body virtual height 80%-90%; Described earthing and water distribution uniformity layer are highly to be the particle of described pond body virtual height 1/10-1/20;
Described rubbish reactor 2 is support and layer, the mineralized waste layer of catchmenting from bottom to top successively;
Described support is highly to be the particle of described pond body virtual height 1/10-1/20 with the layer that catchments; Described mineralized waste layer is highly to be the mineralized waste of described pond body virtual height 90%-95%.
The support of described rubbish reactor 1 and rubbish reactor 2 and the layer that catchments are divided into two-layer, and one deck is the granulometric composition of 0-1cm by particle diameter, and another layer is the granulometric composition of 3-5cm by particle diameter, and described particle is gravel, sandstone etc.;
The earthing of described rubbish reactor 1 and water distribution uniformity layer are to be the granulometric composition of 0-1cm by particle diameter, and described particle is gravel, mineralized waste etc.
Also be provided with water-distributing device in rubbish reactor 1 and rubbish reactor 2, the water-distributing device of described rubbish reactor 1 is arranged in the top of described pond body or is embedded in described earthing and the water distribution uniformity layer; The water-distributing device of described rubbish reactor 2 is arranged in the top of described pond body or is embedded in the mineralized waste layer.
In the method for the treatment of refuse percolate of the present invention, natural ventilation can be taked, also induced draught can be carried out.
The method for the treatment of refuse percolate of the present invention and isolated plant thereof are particularly suitable for the domestic refuse of the high biodegradable organic of organic content, and the particle diameter for the treatment of treating refuse also without limits.Above-mentioned mineralized waste is meant that landfill reaches stabilization for many years substantially in landfill yard, can exploit the rubbish of utilization.
Use garbage filter liquid processing device of the present invention and carry out refuse treatment, have the following advantages:
(1) quickens pending waste stabilisation, realize the sustainable use of refuse landfill
Owing to be provided with vent-pipe in rubbish reactor 1 and the rubbish reactor 2, the organism that ventilation effect is good, reoxygenation is rapid, easily degrade in the rubbish is degraded under aerobic condition soon, thereby percolate COD concentration is descended rapidly; The percolate of rubbish reactor 1 generation is through the processing of rubbish reactor 2 in addition, COD concentration reduces significantly, recharge to the percolate COD concentration of rubbish reactor 1 very low like this, thereby can obviously promote the degraded of pending rubbish, thereby quicken the stabilization of pending rubbish, shorten garbage loading embeading cycle and percolate and handle the cycle, realize the sustainable use of refuse landfill.
(2) realize the percolate zero release
Vent-pipe in rubbish reactor 1 of the present invention and the rubbish reactor 2 has " pulling out wind " effect, can take away the moisture in the garbage loading embeading layer, reduces the generation of percolate.Utilize garbage filter liquid processing device of the present invention can realize the zero release of percolate, described zero release comprises two layers of meaning: first, percolate recharges repeatedly by two-stage rubbish reactor, the moisture evaporation effect is remarkable, can make percolate reduce more than 95%, finally from measuring realization " zero release "; The second, in garbage filter liquid processing device operational process of the present invention, when percolate reduces on amount, water quality also is significantly improved, finally reach emission standard, percolate up to standard effluxes no longer needs extra processing costs, thereby realizes " zero release " from economy.
(3) recycling of refuse landfill has been stablized in realization
The utilization of mineralized waste make stablize refuse landfill obtain the recycling, realized the Sustainable development of refuse landfill, and utilized mineralized waste as filler, construct mineralized waste bioreactor for treatment percolate, realized the treatment of wastes with processes of wastes against one another.
(4) frequency is recharged in control flexibly
Can control according to actual needs and recharge frequency and do not wait for several times for arriving once a day.
Description of drawings
Fig. 1 is a process flow sheet of the present invention
Fig. 2 is rubbish reactor 1 and rubbish reactor 2 synoptic diagram
Embodiment
Below in conjunction with concrete experiment garbage filter liquid processing method of the present invention is described further, embodiment is as follows:
One, the assembling of garbage filter liquid processing device
Garbage filter liquid processing device of the present invention comprises two rubbish reactors 1 and 2, water pump and collection tube.
The synoptic diagram of rubbish reactor 1 and rubbish reactor 2 as shown in Figure 2.Wherein 1 is the pond body of rubbish reactor, and 2 is water-distributing device, and 3 is vent-pipe.
The synoptic diagram of garbage filter liquid processing device as shown in Figure 1, rubbish reactor 1 and 2 is connected in the following manner: the through hole of body bottom, rubbish reactor 1 pond is connected with collection tube 3-1, be used to collect percolate, the other end of collection tube 3-1 links to each other with a percolate collecting tank 4-1, the through hole of body bottom, rubbish reactor 2 pond is connected with collection tube 3-2, be used to collect percolate, the other end of collection tube 3-2 links to each other with a percolate collecting tank 4-2.
Wherein, collection tube 3-1 and collection tube 3-2 are the design of heavy caliber slack flow, have both satisfied leachate collection, play the effect of supply ventilation again; Respectively establish a flowing water Valve on collection tube 31 and the collection tube 3-2.
Two, the filling of rubbish reactor 1 and rubbish reactor 2
The employed pending rubbish of present embodiment is taken from the residential quarter, Shanghai City, this residential quarter size of population about 10000, and the age structure of population is more reasonable, and resident's level just has concurrently, and standard of living has certain otherness.
Above-mentioned pending rubbish is carried out pre-treatment.Weigh earlier, bale broken, the rider that is respectively 120mm, 40mm and 8mm with the aperture becomes particle diameter to be respectively greater than 120mm, 40-120mm, 8-40mm with less than the rubbish of 8mm pending sieving garbage again.Then to the rubbish of different-grain diameter classify respectively (particle diameter less than the rubbish of 8mm except), being divided into is 12 classes, is respectively biodegradable organic, plastics, stationery (paper, fiber board and carton), packing material, yarn fabric, glass, ferrous metal, non-ferrous metal, wooden unit, mineral constituent, specific refuse and remaining thing.
The filling thing of present embodiment rubbish reactor 1 select for use the pretreated particle diameter of above-mentioned process less than the biodegradable organic of 120mm as pending rubbish, wherein the kitchen is surplus more, based on household garbage, the fruits refuse is more, and more vegetable fibre is arranged, it is as shown in table 1 that this main physico-chemical property of loading thing is detected data.
The main physico-chemical property of biodegradable organic in the pending rubbish of table 1
The mineralized waste that is used to handle percolate in the present embodiment is taken from waste treatment field, old port, adopt the mineralized waste in 10 years landfill ages, sieve with the 8mm rider, get particle diameter less than the screen underflow of 8mm fill as the mineralized waste reactor, its outward appearance physical behavior shows as: a little coacervate and saccharoid refer to twist into pieces, sand type is strong, do not have peculiar smell, similar soil, and its physicochemical character is as shown in table 2.
The main thing chemistry of table 2 mineralized waste character
Pending rubbish and mineralized waste are loaded into the Chi Tizhong of rubbish reactor 1 and rubbish reactor 2 respectively, are the gathering that reduces percolate, make to load good waste layer top and keep smooth as far as possible.
Filling respectively from bottom to top in the pond body of rubbish reactor 1: be the gravel of 3-5cm highly and highly be that 5cm, particle diameter are the little gravel of 1cm, as the support and the layer that catchments for 10cm, particle diameter; Highly be 1m, weight is the pending waste layer of 60kg; Particle diameter less than 8mm, highly be the mineralized waste layer of 10cm, as overburden layer and water distribution uniformity layer; 5cm goes out to prevent feed water flow as safe altitude.
Filling respectively from bottom to top in the pond body of rubbish reactor 2: be the gravel of 3-5cm highly and highly be that 5cm, particle diameter are the little gravel of 1cm, as the support and the layer that catchments for 10cm, particle diameter; Particle diameter less than 8mm, highly be the mineralized waste layer of 1.1m; 5cm is as safe altitude, to prevent that into water overflows.
In order to reduce the diffusion of the smell that percolate produces, the water-distributing device of rubbish reactor 1 preferably is embedded in the pending waste layer, and the water-distributing device of rubbish reactor 2 can be embedded in the mineralized waste layer, also can be placed on the surface of mineralized waste layer.In this experiment, the water-distributing device of rubbish reactor 1 is embedded in the position of the pending waste layer upper surface of pending waste layer middle distance 5cm, the water-distributing device of rubbish reactor 2 is embedded in the position of mineralized waste layer middle distance mineralized waste layer upper surface 5cm.
Three, the percolate that rubbish reactor 1 is produced is poured into the water-distributing device of rubbish reactor 2, and percolate recharges the water-distributing device of rubbish reactor 1 again after rubbish reactor 2 is handled, and percolate does not efflux.The percolate that rubbish reactor 1 produces all is poured into the water-distributing device of rubbish reactor 2 once more, percolate recharges the water-distributing device of rubbish reactor 1 once more after rubbish reactor 2 is handled, operation reaches emission standard or reaches the standard of including city planting ductwork in until rubbish reactor 1 water outlet percolate so repeatedly.
Experiment has moved 1 year, and all recharge the percolate that produces in the rubbish reactor 1 in the water-distributing device of rubbish reactor 1 after rubbish reactor 2 is handled every day.Sampling in average per about 10 days is once got the about 100mL of percolate at every turn, measures COD value and ammonia nitrogen concentration in the percolate, and in time replenishes isopyknic pending percolate from old port landfill yard; In rubbish reactor 2, add tap water once weekly,, add of that month average precipitation (mm) * mineralized waste reactor cross-section area (mm in the volume=table 3 of tap water weekly with simulating nature precipitation
2)/4.
Each monthly average quantity of precipitation (mm) of table 3 Shanghai Nanhui 1956-1982
| |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Quantity of precipitation | 44.1 | 62.3 | 79.3 | 103.1 | 126.2 | 153 | 93.2 | 115.1 | 173.6 | 56.7 | 50.8 | 42.5 |
Table 3 is selected from 2005 " Shanghai City bamboo plantation, Bai Long port sludge of sewage treatment plant collection haulage system and the sludge disposal engineering feasibility study " that write the Shanghai City Municipal Engineering Design and Research Institute.
Three repetitions are established in experiment, and following statistical value is three multiple mean values.Operation through 1 year, 60000mg/L when the average COD value of rubbish reactor 1 water outlet percolate begins from testing is dropped rapidly to the 100th day 590mg/L, dropped to 400mg/L during by the 130th day, when experiment finishes, maintained below the 1000mg/L substantially; 1650mg/L when the mean concns of ammonia-state nitrogen begins from testing rises to the 21st day 2590mg/L rapidly, begins rapid decline subsequently, drops to 9mg/L during by the 87th day, and after this ammonia nitrogen concentration maintains below the 10mg/L always and finishes until experiment.When experiment finished, the average COD value of rubbish reactor 2 water outlet percolates remained on below the 1000mg/L substantially, and the ammonia-state nitrogen mean concns then remains on below the 5mg/L.The percolate of rubbish reactor 1 reaches the largest cumulative net production in the time of the 100th day, and promptly the water outlet percolate volume on 1 same day of rubbish reactor and the volume differences of recharging the percolate of rubbish reactor 1 are 320mL/kg rubbish; During to the experiment end, percolate accumulative total net production is a 255mL/kg rubbish, and it only is 5mL/kg rubbish that experiment finishes the average aquifer yield of percolate on the same day.
The common refuse landfill degrade residual properties that is moving is analyzed, the result shows, under field conditions (factors) percolate water outlet COD value time of reaching 100mg/L, 300mg/L and 1000mg/L emission standard be about 32 years respectively, 22 years and 12 years, promptly the COD value of percolate will reach the standard C OD value 1000mg/L that includes city planting ductwork in needs the time in 12 years at least.Illustrate that the degradation process of rubbish is extremely slowly under field conditions (factors).And utilize garbage filter liquid processing device of the present invention to carry out refuse treatment, percolate COD value will drop to three grades of emission standard 1000mg/L only to be needed about 100 days, ammonia nitrogen concentration will drop to first discharge standard 15mg/L in the percolate only needed about 90 days, had shortened the stabilization period of refuse landfill thus greatly.Utilize garbage filter liquid processing method of the present invention to carry out refuse treatment, the percolate reduction can reach 98.4%, has reduced the power consumption of recharging in the process, when reducing garbage loading embeading factory running cost, has realized the zero release of percolate.
Claims (5)
1. a garbage filter liquid processing device comprises rubbish reactor 1 and rubbish reactor 2, it is characterized in that: described rubbish reactor 1 and 2 series connection of rubbish reactor; Described rubbish reactor 1 and rubbish reactor 2 comprise pond body, water-distributing device and vent-pipe;
The open-top of described pond body, the bottom is provided with through hole;
The diameter of described pond body bottom through-hole is 1-3cm;
Described water-distributing device is used for importing percolate to described pond body;
The perpendicular described pond body that places of described vent-pipe;
The internal diameter of described vent-pipe is 2-3cm, and the placement density of described vent-pipe in described rubbish reactor 1 or rubbish reactor 2 is 1-3 vent-pipe/m
2, the bottom of described vent-pipe communicates with the leachate collection pipe;
The tube wall of described vent-pipe is provided with through hole, and the diameter of described through hole is 0.2-0.5cm, and the be provided with density of described through hole on vent-pipe is 500-1000 through hole/m
2
Also be provided with water pump in the described garbage filter liquid processing device, be used for the water-distributing device of the percolate importing rubbish reactor 2 of described rubbish reactor 1 generation, the percolate that described rubbish reactor 2 was handled are imported in the water-distributing device of rubbish reactor 1;
The through hole of described rubbish reactor 1 and body bottom, rubbish reactor 2 pond also is connected with collection tube, is used to collect the percolate of described rubbish reactor 1 and rubbish reactor 2 and ventilate.
2. method of utilizing the described garbage filter liquid processing device of claim 1 treating refuse percolate, be that pending rubbish is packed in the described rubbish reactor 1, mineralized waste is packed in the described rubbish reactor 2, start described garbage filter liquid processing device, the percolate that produces in the described rubbish reactor 1 is poured in the described rubbish reactor 2, percolate is handled the back circulated backfilling extremely in the described rubbish reactor 1 through mineralized waste, percolate does not efflux, operation reaches emission standard or reaches the standard of including city planting ductwork in until leachate quality so repeatedly.
3. method according to claim 2 is characterized in that: described rubbish reactor 1 is support and layer, pending waste layer and earthing and the water distribution uniformity layer of catchmenting from bottom to top successively;
Described support is highly to be the particle of the 1/10-1/20 of described pond body virtual height with the layer that catchments; Described pending waste layer is highly to be the pending rubbish of described pond body virtual height 80%-90%; Described earthing and water distribution uniformity layer are highly to be the particle of the 1/10-1/20 of described pond body virtual height;
Described rubbish reactor 2 is support and layer, the mineralized waste layer of catchmenting from bottom to top successively;
Described support is highly to be the particle of the 1/10-1/20 of described pond body virtual height with the layer that catchments; Described mineralized waste layer is highly to be the mineralized waste of described pond body virtual height 90%-95%.
4. method according to claim 3, it is characterized in that: the support of described rubbish reactor 1 and rubbish reactor 2 is divided into two-layer with the layer that catchments, one deck is the 0-1cm granulometric composition by particle diameter, and another layer is the granulometric composition of 3-5cm by particle diameter, and described particle is gravel, sandstone;
The earthing of described rubbish reactor 1 and water distribution uniformity layer are to be the granulometric composition of 0-1cm by particle diameter, and described particle is gravel, mineralized waste.
5. according to arbitrary described method among the claim 2-4, it is characterized in that: the water-distributing device of described rubbish reactor 1 is arranged in the top of described pond body or is embedded in described earthing and the water distribution uniformity layer; The water-distributing device of described rubbish reactor 2 is arranged in the top of described pond body or is embedded in the mineralized waste layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101028600A CN101269856B (en) | 2008-03-27 | 2008-03-27 | Method and special apparatus for refuse leachate disposal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101028600A CN101269856B (en) | 2008-03-27 | 2008-03-27 | Method and special apparatus for refuse leachate disposal |
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| Publication Number | Publication Date |
|---|---|
| CN101269856A CN101269856A (en) | 2008-09-24 |
| CN101269856B true CN101269856B (en) | 2011-04-27 |
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| CN2008101028600A Expired - Fee Related CN101269856B (en) | 2008-03-27 | 2008-03-27 | Method and special apparatus for refuse leachate disposal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103466888B (en) * | 2013-09-13 | 2014-12-10 | 广西大学 | Device for physico-chemical-biochemical combined treatment of old-aged landfill leachate |
| CN107937253B (en) * | 2017-12-01 | 2021-03-23 | 农业部规划设计研究院 | Sequencing batch anaerobic dry fermentation method with enhanced temperature rise function and device thereof |
| CN108500024B (en) * | 2018-03-21 | 2021-02-09 | 桂林理工大学 | Device for accelerating methanation of landfill garbage |
| CN108246761B (en) * | 2018-03-21 | 2021-04-09 | 桂林理工大学 | Method for accelerating methanation of landfill garbage |
| CN109775928B (en) * | 2019-02-18 | 2022-01-18 | 江西盖亚环保科技有限公司 | Filler matrix for treating landfill leachate and preparation method and application thereof |
| CN115351056B (en) * | 2022-08-19 | 2024-01-19 | 青岛理工大学 | Co-landfill method of household garbage, slag and fly ash |
Citations (4)
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|---|---|---|---|---|
| US5605417A (en) * | 1994-07-18 | 1997-02-25 | The Dragun Corporation | Method and apparatus for improving degradation of an unsecured landfill |
| US6364572B1 (en) * | 1996-11-14 | 2002-04-02 | American Technologies, Inc. | Aerobic landfill bioreactor |
| CN1562509A (en) * | 2004-04-08 | 2005-01-12 | 同济大学 | Technique for processing drainback of percolating water from landfill utilizing fresh garbage as drainback unit |
| CN1562508A (en) * | 2004-04-08 | 2005-01-12 | 同济大学 | New technique of prepositive replenishment treatment of denitrification denitrfication for preoclating water in two-stage mineralization garbage |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605417A (en) * | 1994-07-18 | 1997-02-25 | The Dragun Corporation | Method and apparatus for improving degradation of an unsecured landfill |
| US6364572B1 (en) * | 1996-11-14 | 2002-04-02 | American Technologies, Inc. | Aerobic landfill bioreactor |
| CN1562509A (en) * | 2004-04-08 | 2005-01-12 | 同济大学 | Technique for processing drainback of percolating water from landfill utilizing fresh garbage as drainback unit |
| CN1562508A (en) * | 2004-04-08 | 2005-01-12 | 同济大学 | New technique of prepositive replenishment treatment of denitrification denitrfication for preoclating water in two-stage mineralization garbage |
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