CN108975567A - The processing system and processing method of a kind of percolate after refuse landfill sealing - Google Patents

The processing system and processing method of a kind of percolate after refuse landfill sealing Download PDF

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Publication number
CN108975567A
CN108975567A CN201810678947.6A CN201810678947A CN108975567A CN 108975567 A CN108975567 A CN 108975567A CN 201810678947 A CN201810678947 A CN 201810678947A CN 108975567 A CN108975567 A CN 108975567A
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percolate
processing
sewage
refuse landfill
oxidation processes
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孙淼
延善玉
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Liaoning Qing Tudor Environmental Protection & Technology Co Ltd
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Liaoning Qing Tudor Environmental Protection & Technology Co Ltd
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Publication of CN108975567A publication Critical patent/CN108975567A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/34Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/722Oxidation by peroxides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/78Treatment of water, waste water, or sewage by oxidation with ozone
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06Contaminated groundwater or leachate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention discloses a kind of processing system of the percolate after refuse landfill sealing and processing methods, the processing system includes the conditioning tank for mixing the percolate sewage of homogeneous, the coagulative precipitation device for removing the suspended particulate in percolate sewage, the superelevation grade oxidation processes device for oxidation of organic compounds difficult to degrade in sewage to be resolved into inorganic matter, and for remove the ammonia nitrogen in percolate sewage, total nitrogen and the electrocatalysis oxidation reaction device of remainder COD.The invention avoids conventional using salt accumulation caused by nanofiltration and reverse osmosis combined advanced treatment process bring concentrated water recharge, COD and ammonia nitrogen are higher and higher, so that more and more intractable problem, the intractable problem of percolate after solving conventional garbage Closure of landfill site, the processing qualified discharge for the percolate after refuse landfill sealing lay the foundation.

Description

The processing system and processing method of a kind of percolate after refuse landfill sealing
Technical field
The present invention relates to environmental project technical field of sewage, and in particular to the diafiltration after a kind of refuse landfill sealing The processing system and processing method of liquid.
Background technique
With the quickening of Chinese Urbanization paces, municipal refuse is also correspondingly sharply increased.In dumping and filled Cheng Zhong, rubbish generate landfill leachate because of fermentation, leaching by precipitation, surface water and groundwater infiltration.Landfill leachate is One of the waste water of more intractable high concentration, very big to human body and environmental hazard in current water environment.The garbage loading embeading time is rubbish The most important influence factor of the ingredient of percolate.It is to occur constantly that the percolate of refuse landfill, which extends its ingredient with the landfill time, Variation, can be by the main divided into three stages of penetrating fluid by refuse landfill field age: it is young that the general landfill time is below in 3 years Percolate, 3~5 years are middle age percolate, and 5 years or more are aged percolate.Refuse landfill after aged percolate The destiny of closing will gradually be faced.
Volatile fatty acid (VFA) content of young percolate is higher, can about account for the 50% of total organic carbon (TOC) with On, easily it is biodegradable.Biochemical oxygen demand (BOD) (Biochemical Oxygen Demand, BOD) and COD (Chemical Oxygen Demand, COD) value is higher, and generally 0.4~0.8, ammonia nitrogen concentration is 1000mg/L or so.Rubbish The processing means of percolate are mainly based on bioanalysis, wherein the content of organics of easily biological-degradable is higher in young percolate, B/C is big, and ammonia nitrogen is lower, is suitable for using Biochemical method.
With the increase in refuse landfill field age, the biodegradability of landfill leachate can reduce (the life of aging percolate The property changed ratio (BOD/COD) is generally 0.1~0.2), ammonia nitrogen concentration extends with landfill age and increases year by year, these can all inhibit The treatment effect of bioanalysis.The ammonia-nitrogen content of landfill leachate is very high, has reached the tens of the municipal sewage standard for arriving hundred times, If the requirement of discharge is just not achieved at all using traditional method for the treatment of city waste water.
More and more refuse landfills have had been subjected to the aged percolate stage and have been faced with and are closed at present, for closing Refuse landfill afterwards, landfill leachate are a kind of high concentration poisonous and harmful organic wastewaters of complicated composition, have salt content The features such as height, ammonia nitrogen are high, COD is high, biodegradability is poor, BOD/COD ratio is lower than 0.1, biodegradability is poor.Gao Han Salt, toxic, difficult biochemistry refuse landfill sealing after percolate processing have become in China's waste water control it is very anxious Compel the problem of processing.
Summary of the invention
The purpose of the present invention is to provide a kind of processing system of the percolate after refuse landfill sealing and processing method, To solve the intractable problem of percolate after conventional garbage Closure of landfill site.
To achieve the above object, the technical scheme is that, a kind of percolate after refuse landfill sealing is provided Processing system, including conditioning tank, coagulative precipitation device, superelevation grade oxidation processes device and electrocatalysis oxidation reaction device, the adjusting It is provided with water inlet line on pond, outlet conduit is provided on the electrocatalysis oxidation reaction device, the conditioning tank, the coagulation are heavy Shallow lake device, the superelevation grade oxidation processes device and the electrocatalysis oxidation reaction device are seeped from refuse leachate inflow direction to rubbish Transparent liquid outflux direction passes sequentially through pipeline connection;
Wherein, the conditioning tank is used to mix the percolate sewage of homogeneous;
The coagulative precipitation device is used to remove the suspended particulate in percolate sewage;
The superelevation grade oxidation processes device includes the gentle flow cartridge of reactor tank, and the unhurried current cylinder is set to the interior of the reactor tank Portion is provided with inlet and outlet in the reactor tank;
The electrocatalysis oxidation reaction device includes reaction cabin, anode plate and cathode plate, and the both ends of the reaction cabin are opened respectively Equipped with reaction cabin water inlet pipe and reaction cabin outlet pipe, the anode plate is parallel with the cathode plate to be oppositely disposed in the reaction In cabin, anode catalyst layer and cathode catalysis layer has been respectively coated in the parallel opposing surfaces of the anode plate and the cathode plate.
Preferably, the material of the anode plate and the cathode plate is graphite, and the anode catalyst layer is a layer thickness For 1 to 2mm homogeneous graphene, the cathode catalysis layer is one layer of metal oxide for being coated with platinum, iridium, manganese, zinc or palladium.
Preferably, the superelevation grade oxidation processes device further includes a ultrasonic wave plate, and the ultrasonic wave plate is set to described slow The inside of flow cartridge, and the setting direction of the ultrasonic wave plate perpendicular to it is described unhurried current cylinder water (flow) direction, the ultrasonic wave plate Frequency range is 20 to 50K hertz.
Preferably, the superelevation grade oxidation processes device further includes a catalyst feeding material device, the catalyst feeding material device setting On pipeline before percolate sewage enters the superelevation grade oxidation processes device, the catalyst feeding material device is equipped with hydrogen peroxide or acid Property potassium permanganate or potassium persulfate solution, the catalyst feeding material device is provided with charging switch.
Preferably, the peripheral wall of the superelevation grade oxidation processes device is arranged at intervals with multiple gases and is passed through mouth, the multiple gas Body, which is passed through on mouth, is provided with ozone valve, and the ozone valve is for controlling being passed through for ozone.
Preferably, the superelevation grade oxidation processes device further includes ozone air distribution plate, and the ozone air distribution plate is set to described The inside of reactor tank, and the ozone air distribution plate is connected to by ozone transport conduit with the ozone valve.
The invention discloses a kind of processing methods of the percolate after refuse landfill sealing, using above-mentioned garbage loading embeading The processing system of percolate after the closing of field, the treating method comprises following steps:
The mixing homogeneous of refuse leachate: percolate sewage obtains the percolate sewage of homogeneous after conditioning tank mixing;
Coagulating kinetics: the percolate sewage of homogeneous is pumped into coagulative precipitation device, is removed in percolate sewage Suspended particulate;
Superelevation grade oxidation processes: percolate sewage flows into superelevation grade oxidation processes device, and percolate sewage is in super advanced oxidation It is stopped 1 to 2 hour in processor;
Electrocatalytic oxidation processing: electrocatalysis oxidation reaction is flowed into through the processed percolate sewage of superelevation grade oxidation processes device Device reacts 0.5 to 1 hour in electrocatalysis oxidation reaction device.
Preferably, the superelevation grade oxidation treatment step includes:
Percolate sewage flows into superelevation grade oxidation processes device, starts the ultrasonic wave plate;
Percolate sewage stops 1 to 2 hour in superelevation grade oxidation processes device.
Preferably, the superelevation grade oxidation treatment step includes:
The charging switch for opening the catalyst feeding material device, hydrogen peroxide or acid potassium permanganate are added into percolate sewage Or potassium persulfate solution;
Start the ultrasonic wave plate;
Percolate sewage stops 1 to 2 hour in superelevation grade oxidation processes device.
Preferably, the superelevation grade oxidation treatment step includes:
The charging switch for opening the catalyst feeding material device, hydrogen peroxide or acid potassium permanganate are added into percolate sewage Or potassium persulfate solution;
Start the ultrasonic wave plate, open simultaneously the ozone valve, by the ozone air distribution plate to percolate sewage In be passed through ozone;
Percolate sewage stops 1 to 2 hour in superelevation grade oxidation processes device.
The present invention has the advantage that
Compared with prior art, the processing system of the percolate after refuse landfill sealing of the present invention and processing side Method, this method use conditioning tank mixing percolate sewage first, obtain the percolate sewage of homogeneous;It is again that the percolate of homogeneous is dirty Water is pumped into coagulative precipitation device the suspended particulate removed in percolate sewage;Then superelevation grade oxidation processes device is used, is used Superelevation grade oxidizing treatment removes the most COD in percolate sewage;Finally use electrocatalysis oxidation reaction Device handles ammonia nitrogen, total nitrogen and the remainder COD removed in percolate sewage using electro-catalytic oxidation technology, up to standard Outlet afterwards.Wherein, superelevation grade oxidation processes (super advanced oxidation processes, SAOP) are related to hydrogen-oxygen The generation and oxidation of free radical, the strong oxidation of hydroxyl free radical may make remaining difficult to degrade in processed sewage Organic compound, which is oxidized, is decomposed into inorganic matter, and superelevation grade oxidation processes are applied to have in the disinfection treatment of garbage truck penetrating fluid Stronger advantage.It avoids conventional using salt caused by nanofiltration and reverse osmosis combined advanced treatment process bring concentrated water recharge Divide accumulation, COD and ammonia nitrogen are higher and higher, so that more and more intractable problem, is the infiltration after refuse landfill sealing The processing qualified discharge of filtrate lays the foundation.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the processing system of the percolate after the refuse landfill sealing that embodiment 1 provides.
Fig. 2 is the schematic diagram of internal structure for the electrocatalysis oxidation reaction device that embodiment 1 provides.
Fig. 3 is the process flow diagram of the percolate after the refuse landfill sealing that embodiment 2 provides.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The present embodiment 1 provides a kind of processing system of the percolate after refuse landfill sealing, below with reference to figure to this reality The structure that example 1 is related to is applied to be described in detail.
With reference to Fig. 1, the processing system of the percolate after the refuse landfill sealing includes conditioning tank 1, coagulative precipitation device 2, superelevation grade oxidation processes device 3 and electrocatalysis oxidation reaction device 4 are provided with water inlet line 100, electrocatalytic oxidation on conditioning tank 1 Outlet conduit 200, conditioning tank 1, coagulative precipitation device 2, superelevation grade oxidation processes device 3 and electrocatalytic oxidation are provided on reactor 4 Change reactor 4 and passes sequentially through pipeline connection from refuse leachate inflow direction to refuse leachate outflux direction;
Conditioning tank 1 is used to mix the percolate sewage of homogeneous;
Coagulative precipitation device 2 is used to remove the suspended particulate in percolate sewage;
Superelevation grade oxidation processes device 3 includes that reactor tank is eased up flow cartridge, and unhurried current cylinder is set to the inside of reactor tank, in reactor tank It is provided with inlet and outlet.
With reference to Fig. 2, electrocatalysis oxidation reaction device 4 includes reaction cabin 41, anode plate 42 and cathode plate 43, and the two of reaction cabin 41 End offers reaction cabin water inlet pipe and reaction cabin outlet pipe respectively, and anode plate 42 is parallel with cathode plate 43 to be oppositely disposed in reaction In cabin 41, anode catalyst layer 44 and cathode catalysis layer 45 has been respectively coated in the parallel opposing surfaces of anode plate 42 and cathode plate 43.
As a kind of specific embodiment, the material of anode plate 42 and cathode plate 43 is graphite, anode catalyst layer 44 The homogeneous graphene for being 1 to 2mm for a layer thickness, cathode catalysis layer 45 are one layer of metal oxygen for being coated with platinum, iridium, manganese, zinc or palladium Compound.Superelevation grade oxidation processes device 3 further includes a ultrasonic wave plate 31, and ultrasonic wave plate 31 is set to the inside of unhurried current cylinder, and ultrasound For the setting direction of wave plate 31 perpendicular to the water (flow) direction of unhurried current cylinder, the frequency range of ultrasonic wave plate 3 is 20 to 50K hertz.Superelevation Grade oxidation processes device 3 further includes a catalyst feeding material device 32, and catalyst feeding material device 32 is set to percolate sewage and enters superelevation grade On pipeline before oxidation processes device 3, catalyst feeding material device 32 is urged equipped with hydrogen peroxide or acid potassium permanganate or potassium persulfate solution Agent feeding material device 32 is provided with charging switch.The peripheral wall of superelevation grade oxidation processes device 3 is arranged at intervals with multiple gases and is passed through mouth, more A gas, which is passed through on mouth, is provided with ozone valve 6, and ozone valve 6 is for controlling being passed through for ozone.Superelevation grade oxidation processes device 3 is also Including ozone air distribution plate, ozone air distribution plate is set to the inside of reactor tank, and ozone air distribution plate by ozone transport conduit with it is smelly Oxygen valve 6 is connected to.
Embodiment 2
The present embodiment 2 provides a kind of processing method of the percolate after refuse landfill sealing, is provided using embodiment 1 The processing system of percolate after refuse landfill sealing retouches the structure that the present embodiment 2 is related to below with reference to Fig. 3 in detail It states.
With reference to Fig. 3, the processing method of the percolate after the refuse landfill sealing the following steps are included:
Step 1: percolate sewage obtains the percolate sewage of homogeneous after the mixing of conditioning tank 1;
Step 2: the percolate sewage of homogeneous being pumped into coagulative precipitation device 2, the suspension in percolate sewage is removed Grain;
Step 3: opening the charging switch of the catalyst feeding material device 32, hydrogen peroxide or acidity are added into percolate sewage Potassium permanganate or potassium persulfate solution;
Step 4: start the ultrasonic wave plate 31, open simultaneously the ozone valve 33, by the ozone air distribution plate to Ozone is passed through in percolate sewage;
Step 5: percolate sewage stops 1 to 2 hour in superelevation grade oxidation processes device 3;
Step 6: electrocatalysis oxidation reaction device 4 is flowed into through the processed percolate sewage of superelevation grade oxidation processes device 3, in electricity It is reacted 0.5 to 1 hour in catalyst oxidation reactor 4.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.

Claims (10)

1. a kind of processing system of the percolate after refuse landfill sealing, which is characterized in that heavy including conditioning tank (1), coagulation Shallow lake device (2), superelevation grade oxidation processes device (3) and electrocatalysis oxidation reaction device (4) are provided with into water on the conditioning tank (1) Pipeline (100) is provided with outlet conduit (200) on the electrocatalysis oxidation reaction device (4), the conditioning tank (1), the coagulation Settler (2), the superelevation grade oxidation processes device (3) and the electrocatalysis oxidation reaction device (4) are flowed into from refuse leachate Direction to refuse leachate outflux direction passes sequentially through pipeline connection;
Wherein, the conditioning tank (1) is used to mix the percolate sewage of homogeneous;
The coagulative precipitation device (2) is used to remove the suspended particulate in percolate sewage;
The superelevation grade oxidation processes device (3) includes the gentle flow cartridge of reactor tank, and the unhurried current cylinder is set to the interior of the reactor tank Portion is provided with inlet and outlet in the reactor tank;
The electrocatalysis oxidation reaction device (4) includes reaction cabin (41), anode plate (42) and cathode plate (43), the reaction cabin (41) both ends offer reaction cabin water inlet pipe and reaction cabin outlet pipe, the anode plate (42) and the cathode plate (43) respectively It is oppositely disposed in the reaction cabin (41) in parallel, the parallel opposing surfaces point of the anode plate (42) and the cathode plate (43) It Tu Fuyou not anode catalyst layer (44) and cathode catalysis layer (45).
2. according to claim 1 refuse landfill sealing after percolate processing system, which is characterized in that the anode The material of plate (42) and the cathode plate (43) is graphite, the anode catalyst layer (44) be a layer thickness be 1 to 2mm it is equal Phase graphene, the cathode catalysis layer (45) are one layer of metal oxide for being coated with platinum, iridium, manganese, zinc or palladium.
3. according to claim 1 refuse landfill sealing after percolate processing system, which is characterized in that the superelevation Grade oxidation processes device (3) further includes a ultrasonic wave plate (31), and the ultrasonic wave plate (31) is set to the inside of the unhurried current cylinder, and Water (flow) direction of the setting direction of the ultrasonic wave plate (31) perpendicular to the unhurried current cylinder, the frequency model of the ultrasonic wave plate (3) Enclose is 20 to 50K hertz.
4. according to claim 3 refuse landfill sealing after percolate processing system, which is characterized in that the superelevation Grade oxidation processes device (3) further includes a catalyst feeding material device (32), and the catalyst feeding material device (32) is set to percolate sewage Into on the pipeline before the superelevation grade oxidation processes device (3), the catalyst feeding material device (32) is equipped with hydrogen peroxide or acid height Potassium manganate or potassium persulfate solution, the catalyst feeding material device (32) are provided with charging switch.
5. according to claim 4 refuse landfill sealing after percolate processing system, which is characterized in that the superelevation The peripheral wall of grade oxidation processes device (3) is arranged at intervals with multiple gases and is passed through mouth, and the multiple gas, which is passed through on mouth, is provided with ozone Valve (6), the ozone valve (6) is for controlling being passed through for ozone.
6. according to claim 5 refuse landfill sealing after percolate processing system, which is characterized in that the superelevation Grade oxidation processes device (3) further includes ozone air distribution plate, and the ozone air distribution plate is set to the inside of the reactor tank, and described smelly Oxygen air distribution plate is connected to by ozone transport conduit with the ozone valve (6).
7. a kind of processing method of the percolate after refuse landfill sealing is sealed using refuse landfill described in claim 1 The processing system of percolate after, which is characterized in that the treating method comprises following steps:
The mixing homogeneous of refuse leachate: after percolate sewage is mixed in conditioning tank (1), the percolate sewage of homogeneous is obtained;
Coagulating kinetics: the percolate sewage of homogeneous is pumped into coagulative precipitation device (2), is removed outstanding in percolate sewage Floating particles;
Superelevation grade oxidation processes: percolate sewage flows into superelevation grade oxidation processes device (3), and percolate sewage is at super advanced oxidation It manages in device (3) and stops 1 to 2 hour;
Electrocatalytic oxidation processing: electrocatalysis oxidation reaction is flowed into through the processed percolate sewage of superelevation grade oxidation processes device (3) Device (4), reaction 0.5 to 1 hour in electrocatalysis oxidation reaction device (4).
8. the processing method of the percolate after refuse landfill sealing according to claim 7, using described in claim 3 Refuse landfill sealing after percolate processing system, which is characterized in that the superelevation grade oxidation treatment step includes:
Percolate sewage flows into superelevation grade oxidation processes device (3), starts the ultrasonic wave plate (31);
Percolate sewage stops 1 to 2 hour in superelevation grade oxidation processes device (3).
9. the processing method of the percolate after refuse landfill sealing according to claim 7, using described in claim 4 Refuse landfill sealing after percolate processing system, which is characterized in that the superelevation grade oxidation treatment step includes:
The charging switch for opening the catalyst feeding material device (32), hydrogen peroxide or acid potassium permanganate are added into percolate sewage Or potassium persulfate solution;
Start the ultrasonic wave plate (31);
Percolate sewage stops 1 to 2 hour in superelevation grade oxidation processes device (3).
10. the processing method of the percolate after refuse landfill sealing according to claim 7, using claim 6 institute The processing system of percolate after the refuse landfill sealing stated, which is characterized in that the superelevation grade oxidation treatment step includes:
The charging switch for opening the catalyst feeding material device (32), hydrogen peroxide or acid potassium permanganate are added into percolate sewage Or potassium persulfate solution;
Start the ultrasonic wave plate (31), open simultaneously the ozone valve (33), by the ozone air distribution plate to percolate Ozone is passed through in sewage;
Percolate sewage stops 1 to 2 hour in superelevation grade oxidation processes device (3).
CN201810678947.6A 2018-06-27 2018-06-27 The processing system and processing method of a kind of percolate after refuse landfill sealing Pending CN108975567A (en)

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