CN107915366A - A kind of technique that advanced treating is carried out to garbage leachate using ozone - Google Patents
A kind of technique that advanced treating is carried out to garbage leachate using ozone Download PDFInfo
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- CN107915366A CN107915366A CN201610880638.8A CN201610880638A CN107915366A CN 107915366 A CN107915366 A CN 107915366A CN 201610880638 A CN201610880638 A CN 201610880638A CN 107915366 A CN107915366 A CN 107915366A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
Abstract
The present invention relates to a kind of technique for carrying out advanced treating to garbage leachate using ozone, include the following steps：S1：Pretreatment, S2：Catalytic ozonation processing, S3：Advanced oxidation processing, S4：Denitrogenation processing.Technique of the present invention, process route is simple, and processing cost is cost-effective, non-secondary pollution.
Description
Technical field
The present invention relates to technical field for the treatment of of organic waste, and in particular to a kind of that garbage leachate is carried out deeply using ozone
The technique for spending processing.
Background technology
The Leachate site that domestic waste produces in processing procedure have organic pollution concentration is high, ammonia nitrogen concentration is high,
The features such as concentration of heavy metal ion is high, intractability are very big.Processing for garbage leachate both at home and abroad have traditional bioanalysis,
The methods of UF membrane and combinations thereof, wherein me.mbrane bioreactor and disc tube reverse osmosis (dt-ro) are the treatment process of current mainstream.For up to
The special limit value emission request into GB16889-2008 new standards, generally use " biochemistry/MBR during leachate treatment+Film "
Technique, in UF membrane nanofiltration and it is reverse osmosis be used as advanced treatment process unit, produced while its clear liquid is up to standard and account for handling
The film concentrate of the rubbish Leachate site of scale 15~25%.And the method that advanced treating is carried out using UF membrane, simply carries out thing
The separation and concentration of reason, can not effectively be handled the noxious pollutant in water, caused by the result is that produce it is a large amount of
Concentrate harmfulness bigger, processing become increasingly difficult to.
The content of the invention
In view of problems of the prior art, the present invention provides one kind and carries out depth to garbage leachate using ozone
The technique of reason, the process route is simple, and processing cost is cost-effective, non-secondary pollution, and it is useless that the waste water after processing meets country
Water discharge standard.
The purpose of the present invention is be achieved through the following technical solutions：
A kind of technique for being carried out advanced treating to garbage leachate using ozone, is included the following steps：
S1：Pretreatment
PH adjusting agent is added in garbage leachate, adds flocculant afterwards, gas is entered by water inlet pipe after stirring evenly
Floating machine carries out mud-water separation, and the scum silica frost after separation discharges the air floatation machine；PH adjusting agent is added in clear liquid after isolation, then will
It is discharged into sedimentation basin and carries out precipitation process, and the sludge of sedimentation basin bottom is delivered to water inlet pipe through sludge reflux pump, afterwards similarly
Mud-water separation is carried out into air floatation machine；Supernatant in sedimentation basin is transported to filtration apparatus by elevator pump；
S2：Catalytic ozonation processing
After the filtered device of waste water after step S1 processing is gone oil removal, be delivered in ozone mixing column and with from
The ozone of ozone generator carries out contact mixing by way of circulating jet aeration, and mixed waste water is come into full contact with ozone
Discharged from one end of ozone mixing column and be transported to catalysis oxidizing tower and carry out catalytic oxidation, do not come into full contact with ozone mixed
The waste water of conjunction is pumped to its middle part by the bottom of towe of ozone mixing column and is mixed with carrying out contact again with ozone, similarly defeated afterwards
Send to catalysis oxidizing tower and carry out catalytic oxidation；
S3：Advanced oxidation processing
PH adjusting agent is added in waste water after step S2 processing, is filtered afterwards by advanced oxidation filtration apparatus,
Hydrogen peroxide is added in the waste water after filtering, is then sent to progress advanced oxidation reaction in advanced oxidation reaction tower；
Waste water after advanced oxidation is handled, is discharged by the bottom of advanced oxidation reaction tower and is transported to advanced catalytic oxidation tower and urged
Oxidation, the waste water without advanced catalytic oxidation are pumped to its middle part to be urged by the bottom of towe of the advanced catalytic oxidation tower
Oxidation；
S4：Denitrogenation processing
Waste water after being handled in step S3 is delivered to progress denitrification processing in denitrification tank, is filtered afterwards by denitrogenation
Device filters, discharge.
Further, wherein in step sl, the pH adjusting agent be selected from sodium hydroxide, sodium carbonate, sodium acid carbonate and
One or more in calcium hydroxide；The concentration that adds of the pH adjusting agent is 0.2~1.2g/kg, is added in 1 ton of waste water
0.2~1.2kgpH conditioning agents；The pH value added twice after the pH adjusting agent is brought to 8~11.
Further, wherein in step sl, the flocculant is selected from inorganic polymer flocculant or organic polymer is wadded a quilt with cotton
One or both of solidifying agent.
Further, wherein the inorganic polymer flocculant is selected from bodied ferric sulfate, aluminium polychloride and polyaluminium
One or more in iron；The concentration that adds of the inorganic polymer flocculant is 1~4g/kg, is added in 1 ton of waste water
1~4kg inorganic polymer flocculants.
Further, wherein the organic polymer coargulator be selected from polyacrylamide, polyacrylic acid, Sodium Polyacrylate,
One or more in calcium polyacrylate (CPA) and polyacrylonitrile；The concentration that adds of the organic polymer coargulator is 3~7ml/
Kg, and the concentration of the organic polymer coargulator is 0.01~0.02g/ml, it is dense to add 3~7L mass in 1 ton of waste water
Spend the organic polymer coargulator for 0.01~0.02g/ml.
Further, wherein in step s 2, the retention time of sewage in the ozone mixing column is 60~120 minutes；
Retention time of sewage in the catalysis oxidizing tower is 60~120 minutes.
Further, wherein pH value is brought to 8~11 after adding pH adjusting agent in step s3.
Further, wherein in step s3 in advanced oxidation reaction tower, retention time of sewage is 60~120 minutes；Institute
It is 60~120 minutes to state retention time of sewage in advanced catalytic oxidation tower.
Further, wherein in step s3, the concentration that adds of the ozone is 0.5~2.5g/kg, 1 ton of waste water
Middle addition 0.5~2.5kg ozone, the molar ratio of the hydrogen peroxide and ozone dosage is 0.3~0.8.
The retention time of sewage is the residence time in reaction tower from reaction tower is entered to discharge reaction tower.
The device have the advantages that：
1st, technique provided by the present invention, it uses the group of coagulation air-float, ozone/advanced oxidation and denitrification denitrogenation processing
Close technique to handle garbage leachate, using coagulation air-float as pretreating process, by adding the inorganic high score of metallic salt
Sub- flocculant can effectively remove garbage leachate middle-molecular-weihydroxyethyl and be more than 1000 organic matter, and be produced when hydrolyzing
Metal salt two is fit, and an one-step hydrolysis of going forward side by side forms the hydrolysate of more high polymerization degree and hydroxyl ratio, since band is presented in hydrolysate
The characteristic of positive charge, and the organic matter in garbage leachate is rendered as elecrtonegativity, the two is prone to flocculation, and poly-
Under the action of acrylamide, quick flocculation is played, the floccule body of generation, in air floatation machine, produces micro- with air floatation machine
Bubble adhesion floats rapidly together, realizes muddy water quick separating, compared with traditional coagulation-precipitation method, coagulation+pneumatically supported side
Method, has floor space small, without civil construction, the advantages that mud-water separation speed is fast, and effluent quality is limpid；
2nd, technique provided by the present invention, its clear liquid exported by air floatation machine, adds pH adjusting agent, by its pH value tune
Sedimentation basin is discharged into after to 8~11 scope to be precipitated, pH adjusting agent can be with the humic in rubbish percolation liquid membrane filtering and concentrating
Acids further reacts generation precipitation, by pre-processing organic cod (COD) removal rate in garbage leachate
Reach 60~80%, since the load of pollutant can be reduced, mitigate the difficulty of follow-up catalytic ozonation and advanced oxidation processing,
The utilization rate of ozone is effectively improved, so as to reduce the processing cost of ozone high grade oxidation technique；
3rd, pretreated garbage leachate is first carried out catalytic ozonation and advanced oxidation processing, carried out again by the present invention
Denitrification processing, the characteristics of making full use of the strong oxidizing property of ozone and hydroxyl radical free radical, effectively destroy big in garbage leachate
The structure of molecular organic, it is carbon dioxide and water to be allowed to be changed into small organic molecule even partial oxidation, is difficult to biology
The organic matter ring molecule of degraded or the portion fractures of long-chain molecule, can have the part difficult degradation macromolecular in garbage leachate
Machine thing oxidation " key point " is degradable small organic molecule, will partly have having for unsaturation construction in the humic acid of difficult degradation
Machine thing is converted into the good saturation construction of biodegradability, and to strengthen the biodegradability of useless Organic substance in water, waste water is again through denitrification
After biochemical treatment, with pollutants such as the organic matters in effective degrading waste water, reach the COD removal rates of organic matter in garbage leachate
To more than 95%；
4th, technique provided by the present invention, its process route is simple, and processing cost is cost-effective, passes through ozone high grade oxidation
Can in Decomposition Wastewater bio-refractory material, while be changed into oxygen after ozone decomposed, so there is no secondary pollution to environment；
5th, technique provided by the present invention, it is conducive to be combined with biochemical process, can eliminate secondary pollution and realize minimizing,
New process route is provided for garbage leachate processing；
6th, technique provided by the present invention, it is applicable not only to the processing of garbage percolation liquid film concentrate, is equally applicable
In the advanced treating of garbage leachate MBR water outlets, final water outlet can reach discharging standards (GB16889-008).
Brief description of the drawings
Fig. 1 is the process flow chart of the present invention for carrying out advanced treating to garbage leachate using ozone.
In figure, 1- pretreatment systems, 2- catalytic ozonation systems, 3- advanced oxidation processing systems, 4- denitrogenation processings system
System, 5- ozone generators, 6- air floatation machines, 7- sedimentation basins, 8- elevator pumps, 9- filtration apparatuses, 10- ozone mixing columns, 11- catalysis oxygen
Change tower, 12- advanced oxidation filtration apparatuses, 13- advanced oxidation reaction towers, 14- advanced catalytic oxidation towers, 15- denitrification tanks, 16-
Denitrogenation filtration apparatus, 17- sludge reflux pumps.
Embodiment
The present invention provides a kind of technique for carrying out advanced treating to garbage leachate using ozone, below with specific experiment
Illustrate embodiment exemplified by case, it will be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
A kind of process flow chart for carrying out advanced treating to garbage leachate using ozone as shown in Figure 1, first by 1 ton
Garbage leachate is discharged into pretreatment system 1,0.3kg NaOH (adjusting pH value as pH adjusting agent) is then added, by rubbish
The pH value of rubbish Leachate site is adjusted to 8, adds 3kg bodied ferric sulfates and the polyacrylamide solution of 5L, 0.015g/mL afterwards, fills
Divide after being mixed evenly, form floccule body, entered by water inlet pipe in air floatation machine 6, in air floatation machine 6, bodied ferric sulfate wadding
Solidifying dosage form into the microbubble that is produced with air floatation machine 6 of floccule body be adhered to each other rapid floating, realize mud-water separation, and by upper strata
Scum silica frost air floatation machine is discharged by blow-off line；Polymeric ferric sulfate flocculant, which not only can be removed effectively in garbage leachate, to be divided
Organic matter of the son amount more than 1000, and when it is hydrolyzed, the intermediate of generation can form more high polymerization degree, higher hydroxyl
Base than hydrolysate, the hydrolysate is with the humic acid organic substances with negative electrical charge in positive charge and garbage leachate
Generation flocculation, produces precipitation；The present invention can further improve its flocculating effect by adding polyacrylamide solution, from
And improve the speed of mud-water separation；PH adjusting agent is added from the clear liquid after the separation of air floatation machine 6, then discharges it into sedimentation basin
7 carry out precipitation process, and pH adjusting agent can further react generation sediment with the humic acids in landfill leachate, so that
Organic cod (COD) removal rate in garbage leachate is promoted to 50~80% by pretreatment stage；7 bottom of sedimentation basin
The sludge in portion is delivered to air floatation machine 6 through the sludge reflux pump 17 on the first return duct, and mud-water separation is carried out by pneumatically supported method.
Supernatant in the sedimentation basin 7 for 1 system that pre-processes is passed through catalytic ozonation processing system 2, in the ozone
The top of filtration apparatus 9 is transported in catalytic oxidation treatment system 2 by elevator pump 8, passes through filtering inside filtration apparatus 9
After method removes suspended matter, top and the injection of ozone mixing column 10 of ozone mixing column 10 are transported to, in ozone mixing column
Mixed with the ozone produced from ozone generator 5 in 10, in a manner of circulating jet aeration carry out contact with waste water and mix (to give up
When water reaches the bottom of ozone mixing column 10, by the second return duct and the second ejector by waste water and ozone Forced Mixing,
Then the middle part of injection of ozone mixing column 10 together), retention time of sewage is 60 minutes in ozone mixing column 10, abundant with ozone
Mixed waste water is contacted, is discharged from the bottom of ozone mixing column 10, is transported to catalysis oxidizing tower 11 afterwards and carries out catalysis oxygen
Change and react, the retention time of sewage in catalysis oxidizing tower 11 is 120 minutes, the waste water after catalysis oxidation, by catalysis oxidizing tower
Discharge and be delivered to advanced oxidation processing system 3 in 11 top.
Waste water after catalytic ozonation processing system 2 is exported is passed through in advanced oxidation processing system 3, then adds pH
Its pH value, is adjusted to 8 scope by conditioning agent, is filtered by advanced oxidation filtration apparatus 12, then adds 0.177kg peroxidating
Hydrogen, is then sent to advanced oxidation reaction tower 13 and carries out advanced oxidation reaction, and the ozone produced from ozone generator 5 is transported to
In advanced oxidation reaction tower 13, carry out contact with the mode of waste water progress circulating jet aeration and mix (waste water arrival advanced oxidation
During 13 bottom of reaction tower, by the 3rd return duct and the 3rd ejector by waste water and ozone Forced Mixing, then inject together
The middle part of advanced oxidation reaction tower 13), retention time of sewage is 60 minutes, the waste water after being come into full contact with ozone, from advanced oxygen
The bottom for changing reaction tower 13 discharges and is transported to the progress advanced catalytic oxidation reaction of advanced catalytic oxidation tower 14, when waste water stops
Between be 80 minutes, the waste water after advanced catalytic oxidation, is discharged by the top of advanced catalytic oxidation tower 14 and is delivered to denitrogenation
Reason system 4.
Waste water after advanced oxidation processing system 3 is exported, which is delivered in denitrification tank 15, carries out denitrification processing, through anti-
Waste water after nitrification processing, is discharged after being filtered by denitrogenation filtration apparatus 16.
The present invention carries out flow control by inputting the ozone of the second ejector and the 3rd ejector to ozone generator 5,
So that garbage leachate will not only increase treatment operating costs, but also be farthest conducive to rubbish when carrying out oxidation reaction
The generation of hydroxyl radical free radical in Leachate site, and be conducive to the organic matter ring molecule or length of difficult for biological degradation in garbage leachate
The portion fractures of chain molecule.
The present invention is to rubbish of organic cod (COD) average between 500-10000mg/L in the waste water
Rubbish Leachate site (MBR water outlets or film concentrate) carries out advanced treating, and after pretreatment 1, the supernatant water outlet of sedimentation basin 7 has
Machine thing COD (COD) average is between 200-800mg/L, then through catalytic ozonation processing system 2, advanced oxidation
After the processing successively of processing system 3 and denitrogenation processing system 4, the organic cod value of waste water is down to below 100mg/L, and ammonia nitrogen is small
In 25mg/L, T total nitrogens are less than 40mg/L, reach the discharge standard of GB16889-2008.
Finally it should be noted that：Above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify the technical solution described in previous embodiment, or to which part or all technical characteristic into
Row equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (9)
- A kind of 1. technique that advanced treating is carried out to garbage leachate using ozone, it is characterised in that：Include the following steps：S1：PretreatmentPH adjusting agent is added in garbage leachate, adds flocculant afterwards, air floatation machine is entered by water inlet pipe after stirring evenly Mud-water separation is carried out, the scum silica frost after separation discharges the air floatation machine；PH adjusting agent is added in clear liquid after isolation, is then arranged Enter sedimentation basin and carry out precipitation process, the sludge of sedimentation basin bottom is delivered to water inlet pipe through sludge reflux pump, similarly enters afterwards Air floatation machine carries out mud-water separation；Supernatant in sedimentation basin is transported to filtration apparatus by elevator pump；S2：Catalytic ozonation processingAfter the filtered device of waste water after step S1 processing is gone oil removal, be delivered in ozone mixing column and with from ozone The ozone of generator carries out contact mixing by way of circulating jet aeration, and mixed waste water is come into full contact with from smelly with ozone The bottom of oxygen mixing column, which discharges and is transported to catalysis oxidizing tower, carries out catalytic oxidation, does not come into full contact with what is mixed with ozone Waste water is pumped to its middle part by the bottom of ozone mixing column and is mixed with carrying out contact again with ozone, is similarly transported to afterwards Catalysis oxidizing tower carries out catalytic oxidation；S3：Advanced oxidation processingPH adjusting agent is added in waste water after step S2 processing, is filtered afterwards by advanced oxidation filtration apparatus, is filtered Hydrogen peroxide is added in the waste water afterwards, is then sent to progress advanced oxidation reaction in advanced oxidation reaction tower；Through height Waste water after level oxidation processes, is discharged by the bottom of advanced oxidation reaction tower and is transported to advanced catalytic oxidation tower and carry out catalysis oxygen Change reaction, the waste water without advanced catalytic oxidation is pumped to its middle part to carry out catalysis oxygen by the bottom of towe of the advanced catalytic oxidation tower Change reaction；S4：Denitrogenation processingWaste water after being handled in step S3 is delivered to progress denitrification processing in denitrification tank, afterwards by denitrogenation filtration apparatus Filtering, discharge.
- 2. the technique according to claim 1 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that In step S1, one or more of the pH adjusting agent in sodium hydroxide, sodium carbonate, sodium acid carbonate and calcium hydroxide； The concentration that adds of the pH adjusting agent is 0.2~1.2g/kg；The pH value added twice after the pH adjusting agent is brought to 8~ 11。
- 3. the technique according to claim 1 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that In step S1, the flocculant is selected from one or both of inorganic polymer flocculant or organic polymer coargulator.
- 4. the technique according to claim 3 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that institute State one or more of the inorganic polymer flocculant in bodied ferric sulfate, aluminium polychloride and poly-ferric chloride；It is described The concentration that adds of inorganic polymer flocculant is 1~4g/kg.
- 5. the technique according to claim 3 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that institute Organic polymer coargulator is stated in polyacrylamide, polyacrylic acid, Sodium Polyacrylate, calcium polyacrylate (CPA) and polyacrylonitrile It is one or more kinds of；The concentration that adds of the organic polymer coargulator is 3~7ml/kg, and the organic polymer coargulator Concentration be 0.01~0.02g/ml.
- 6. the technique according to claim 1 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that In step S2, the retention time of sewage in the ozone mixing column is 60~120 minutes；Waste water in the catalysis oxidizing tower stops It is 60~120 minutes to stay the time.
- 7. the technique according to claim 1 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that PH is brought to 8~11 after adding pH adjusting agent in step S3.
- 8. the technique according to claim 1 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that In the middle-and-high-ranking oxidation reaction towers of step S3, retention time of sewage is 60~120 minutes；Waste water stops in the advanced catalytic oxidation tower It is 60~120 minutes to stay the time.
- 9. the technique according to claim 1 that advanced treating is carried out to garbage leachate using ozone, it is characterised in that In step S3, the concentration that adds of the ozone is 0.5~2.5g/kg, and the molar ratio of the hydrogen peroxide and ozone dosage is 0.3~0.8.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430835A (en) * | 2016-11-07 | 2017-02-22 | 天津傲人环保科技有限公司 | Embedded ozone membrane bioreactor (MBR) device and embedded ozone MBR treatment method |
| CN110104907A (en) * | 2019-06-11 | 2019-08-09 | 武汉深能环保新沟垃圾发电有限公司 | A kind of landfill leachate oil removing system and method |
| CN116119888A (en) * | 2023-04-18 | 2023-05-16 | 天津群峰环保科技有限公司 | Combined treatment system and treatment method for post-concentration liquid of landfill leachate membrane |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130088A (en) * | 2014-05-28 | 2015-12-09 | 江苏维尔利环保科技股份有限公司 | Ozone oxidation treatment leachate nanofiltration concentrate treatment method |
| CN105800871A (en) * | 2016-04-26 | 2016-07-27 | 史义 | Method for treating refuse leachate membrane-concentrated liquid by using ozone advanced oxidation |
-
2016
- 2016-10-09 CN CN201610880638.8A patent/CN107915366A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130088A (en) * | 2014-05-28 | 2015-12-09 | 江苏维尔利环保科技股份有限公司 | Ozone oxidation treatment leachate nanofiltration concentrate treatment method |
| CN105800871A (en) * | 2016-04-26 | 2016-07-27 | 史义 | Method for treating refuse leachate membrane-concentrated liquid by using ozone advanced oxidation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430835A (en) * | 2016-11-07 | 2017-02-22 | 天津傲人环保科技有限公司 | Embedded ozone membrane bioreactor (MBR) device and embedded ozone MBR treatment method |
| CN110104907A (en) * | 2019-06-11 | 2019-08-09 | 武汉深能环保新沟垃圾发电有限公司 | A kind of landfill leachate oil removing system and method |
| CN110104907B (en) * | 2019-06-11 | 2022-03-29 | 武汉深能环保新沟垃圾发电有限公司 | Landfill leachate oil removal system and method |
| CN116119888A (en) * | 2023-04-18 | 2023-05-16 | 天津群峰环保科技有限公司 | Combined treatment system and treatment method for post-concentration liquid of landfill leachate membrane |
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Application publication date: 20180417 |