CN110280560A - A kind of photocatalysis recharge percolate acceleration stabilized method of landfill waste - Google Patents
A kind of photocatalysis recharge percolate acceleration stabilized method of landfill waste Download PDFInfo
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- CN110280560A CN110280560A CN201910596089.5A CN201910596089A CN110280560A CN 110280560 A CN110280560 A CN 110280560A CN 201910596089 A CN201910596089 A CN 201910596089A CN 110280560 A CN110280560 A CN 110280560A
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- 239000002699 waste material Substances 0.000 title claims abstract description 60
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 29
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001133 acceleration Effects 0.000 title description 3
- 229910001868 water Inorganic materials 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000011049 filling Methods 0.000 claims abstract description 34
- 238000013032 photocatalytic reaction Methods 0.000 claims abstract description 18
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 239000010813 municipal solid waste Substances 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000011068 loading method Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000003760 magnetic stirring Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000149 chemical water pollutant Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000011026 diafiltration Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910003206 NH4VO3 Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
- B09B1/004—Covering of dumping sites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of photocatalysis recharge percolates to accelerate the stabilized method of landfill waste.A kind of integrated apparatus, including consumer waste filling and embedding device and photocatalytic reaction device are set.As anaerobic denitrifying reactor, the landfill leachate of generation enters photocatalytic reaction device and carries out photocatalysis treatment consumer waste filling and embedding device, solves the problems, such as that the low percolate of biodegradability is difficult to reach discharge standard after aerobic nitrification is handled；Low concentration water outlet percolate after light-catalyzed reaction is again introduced into consumer waste filling and embedding device, advantage is provided for anaerobe, to form dystopy photocatalysis original position denitrification bioreactor landfill device, realize that photocatalysis recharge percolate accelerates landfill waste to stabilize.
Description
Technical field
The invention belongs to environmental protection and photocatalysis technology field, in particular to a kind of photocatalysis recharge percolate accelerates landfill rubbish
The stabilized method of rubbish.
Background technique
The advantages that landfill is due to easy to operate, small investment, big treating capacity, is now widely used waste disposal method.
However, landfill is long there is also the waste stabilisation time, generates percolate complicated component and is difficult to the problems such as handling.It is filled out to realize
The fast degradation of rubbish and the qualified discharge of percolate are buried, the Bioreactor landfill technology based on leachate recirculation is met the tendency of
And give birth to, wherein dystopy nitrifies denitrification denitrogenation type Bioreactor landfill technology in situ because that can solve diafiltration ammonia nitrogen from source
The problem of excessive concentration, attracts attention in consumer waste filling and embedding and percolate process field.
However, biodegradable organic content gradually decreases in percolate with the extension of landfill time, difficult biology drop
Content of organics accumulation is solved, pollutant concentration, which is unable to get, to be further decreased, and removal rate is close to 0%.At this point, using single life
The aging landfill leachate of object method processing is unable to reach discharge standard, and high concentration leachate recirculation to landfill yard is not only not achieved most
The purpose for just accelerating landfill waste stable, will increase landfill yard load instead.Therefore, in order to accelerate landfill waste to degrade, it is necessary to
Improve the treatment effect of dystopy percolate.
Photochemical catalytic oxidation is that the process of photochemical degradating is carried out under conditions of having catalyst, has strong oxidizing property, reaction
Speed is fast, without secondary pollution and the advantages such as can react at normal temperatures and pressures, it is considered to be the environmental protection with good development prospect is new
Technology.By photocatalytic oxidation, hardly degraded organic substance can be degraded under the action of strong oxidizing property free radical in percolate
CO2And H2O, the small molecules such as inorganic salts and inorganic acid.
Summary of the invention
The object of the present invention is to provide a kind of photocatalysis recharge percolates to accelerate the stabilized method of landfill waste.
Thinking of the invention: for recharge type Bioreactor landfill technology, recharge is reduced by photocatalysis oxidation reaction
The concentration of hardly degraded organic substance in percolate realizes low concentration leachate recirculation into denitrification reactor in situ, to reduce
Denitrification reactor load simultaneously provides advantage for anaerobe, reaches and accelerates the stabilized purpose of landfill waste.
Specific steps are as follows:
(1) a kind of integrated apparatus is set, which includes consumer waste filling and embedding device and photocatalytic reaction device.
The consumer waste filling and embedding device is closed anaerobic denitrifying reactor, and main body uses stainless steel cylinder, column
High 65 cm, 34 cm of diameter are from bottom to top lower gravel layer, house refuse layer and top gravel layer；Unilateral side is equidistant to be set
There is the solid sampling hole of upper, middle and lower three；Top is equipped with leachate recirculation mouth and gas outlet；Percolate by leachate recirculation mouth into
Enter after consumer waste filling and embedding device by liquid distribution trough water distribution uniformity, followed by top gravel layer, house refuse layer and lower part
Gravel layer, wherein top gravel layer has the function of buffering and time water again, lower gravel layer load it is thin on grain size of gravel under
Slightly, play the role of support house refuse and collect percolate；The percolate of generation is received by bottom landfill device water outlet outflow
Landfill device water tank is combined in, is pumped through water pump to photocatalytic reaction device.
The photocatalytic reaction device includes reactive agent, rotor and magnetic stirring apparatus；The photocatalytic reaction device is daily
It is run under sunlight or the transmitting light irradiation of all-wave length fluorescent tube, it is anti-that the percolate that consumer waste filling and embedding device generates enters photocatalysis
Device is answered to carry out photocatalysis treatment, the percolate after photocatalysis treatment is flowed out by bottom reaction unit water outlet, is collected in anti-
Device water tank is answered, is pumped through water pump to the leachate recirculation mouth of consumer waste filling and embedding device, consumer waste filling and embedding dress is introduced back into
It sets and is handled；Wherein reactive agent uses cylindrical glass container.
(2) integrated apparatus that step (1) is arranged is run according to the following steps:
The percolate that consumer waste filling and embedding device generates enters photocatalytic reaction device and carries out photocatalysis treatment；Light-catalyzed reaction dress
The water outlet set is again introduced into consumer waste filling and embedding device, is recycled according to this step.
(3) step (2) are completed, i.e. realization photocatalysis recharge percolate accelerates landfill waste to stabilize.
The advantages of the method for the present invention:
(1) present invention makes it meet diafiltration using the landfill yard aging percolate of sunlight photocatalysis oxidation biodegradability difference
Liquid discharge standard is that anaerobism is micro- then by the low concentration leachate recirculation after Treatment by Photocatalysis Oxidation to household refuse landfill sites
Biology provides advantage, to accelerate the stabilisation of landfill waste.
(2) present invention utilizes sunlight photocatalysis oxidation processes mature landfill leachate, economical and effective, easy to operate, pipe
Reason is convenient.
(3) present invention realizes the conversion of hardly degraded organic substance in mature landfill leachate by photochemical catalytic oxidation, rather than
Transfer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of equipment therefor in the embodiment of the present invention.
Marked in the figure: 1- leachate recirculation mouth；The gas outlet 2-；3- liquid distribution trough；The top 4- gravel layer；The sampling of 5- solid
Hole；6- lower gravel layer；7- fills device water outlet；8- fills device water tank；9,14- water pump；10- rotor；11- magnetic force stirs
Mix device；12- reaction unit water outlet；13- reaction unit water tank；A- garbage loading embeading device；B- photocatalytic reaction device.
Fig. 2 is the structural schematic diagram of equipment therefor in reference examples of the present invention.
Marked in the figure: 1,10- leachate recirculation mouth (water inlet)；The gas outlet 2-；3,11- water distributor；The top 4,12- gravel
Layer；5,13- solid sampling hole；14- ventilation duct；6- lower gravel layer；The inclined-plane 15- gravel layer；7,18- water outlet；8,19- water storage
Case；9,20- water pump；16- air pump；17- gas flowmeter；C- consumer waste filling and embedding device；D- mineralized waste reaction unit.
Specific embodiment
Embodiment:
A kind of photocatalysis recharge percolate acceleration stabilized method of landfill waste, comprising the following steps:
(a) a kind of integrated apparatus, including consumer waste filling and embedding device A and photocatalytic reaction device B, consumer waste filling and embedding are set
Device A and photocatalytic reaction device B constitutes dystopy photochemical catalytic oxidation original position denitrification integrated apparatus；Consumer waste filling and embedding dress
Setting A is closed anaerobic denitrifying reactor, and main body uses stainless steel cylinder, 65 cm of pillar height, 34 cm of diameter, from lower
On successively load gravel, house refuse and gravel；It is unilateral equidistant equipped with the solid sampling hole 5 of upper, middle and lower three；Top is equipped with
Leachate recirculation mouth 1 and gas outlet 2 are accepted mode using the flange with rubber pad between top cover and cylinder and are sealed.Percolate is by seeping
Filtrate recharge mouth 1 enters after consumer waste filling and embedding device A by 3 water distribution uniformity of liquid distribution trough, followed by top gravel layer 4(5
Cm has the function of buffering and time water again), house refuse layer (40 cm) and lower gravel layer 6(5 cm, filling grain size of gravel
It is up-thin-low-thick, play the role of support house refuse and collect percolate)；The percolate of generation is discharged by the landfill device of bottom
7 outflow (1 time/d) of mouth, is collected in landfill device water tank 8, through the pump of water pump 9 to photocatalytic reaction device B；Light-catalyzed reaction dress
It sets B to be made of reactive agent (cylindrical glass container, high 15 cm, 12 cm of diameter), rotor 10 and magnetic stirring apparatus 11, to infiltration
Photochemical catalyst is added in filtrate, in magnetic stirring apparatus 11 and sunlight (using all-wave length fluorescent tube as light source when no sunlight)
Effect is lower to carry out light-catalyzed reaction；Water outlet percolate after photocatalysis treatment is flowed out by the reaction unit water outlet 12 of bottom,
It is collected in reaction unit water tank 13, the leachate recirculation mouth 1 through the pump of water pump 14 to consumer waste filling and embedding device.
The house refuse is derived from the Guilin City town Yan Shan garbage transfer station；It is in situ by 2 years dystopy synchronous nitration and denitrifications
Denitrification processing, the percolate that landfill device generates reach aging horizontal.
(b) integrated apparatus that step (a) is arranged is run according to the following steps:
The percolate that consumer waste filling and embedding device generates enters photocatalytic reaction device and carries out photocatalysis treatment；Light-catalyzed reaction dress
The water outlet set is again introduced into consumer waste filling and embedding device, is recycled according to this step.
Setting device operating parameter according to actual needs, by funnel pour landfill leachate, after water inlet close funnel and
Percolate after reacting in the previous day device is released into before percolate daily, closes water outlet immediately after by the valve between lid
Valve.Each pollutant concentration variation during test in the primary water outlet percolate of measurement daily.
" the Enhanced Photoactivity of V- of photochemical catalyst reference literature used in the photocatalytic reaction device
N Codoped TiO2 Derived from a Two-Step Hydrothermal Procedure for the
Degradation of PCP-Na under Visible Light Irradiation " is prepared, the specific steps are as follows:
(1) by 1 mol L-1Ti (SO4)2With quantitative NH4VO3(NH4VO3Same Ti (SO4)2Molecule content ratio be 1%) dissolve in
It in 70 ml ultrapure waters and is uniformly mixed, obtains mixed solution.Mixed solution is then moved to the reaction kettle of polytetrafluoroethyllining lining
In, and strictly seal, the rear 100 DEG C of hydro-thermals of baking oven that are placed in keep 20 h.After cooled to room temperature, gained hydro-thermal sample is through being centrifuged
(8000 r/min, 5 min), and after being cleaned for several times in turn with ultrapure water and ethyl alcohol, in 70 DEG C of dry 8 h, that is, obtain a water
Hot final product, the modified TiO of V2(V-TiO2).
(2) 1.5 g step (1) described V-TiO are taken2It is mixed into 70 mL triethanolamine solutions, strong to stir, ultrasonic vibration
15 min, are mixed sample sufficiently.Then mixed solution is moved in polytetrafluoroethyllining lining reaction kettle and is strictly sealed, merging is dried
Case is in 180 DEG C of 22 h of reaction.After cooled to room temperature, gained hydro-thermal sample is centrifuged (8000r/min, 5min), and with super
After pure water and ethyl alcohol clean for several times in turn, in 70 DEG C of dry 6 h, 180 DEG C of 10 h of drying obtain secondary hydro-thermal final product, V, N
Modified TiO2(V-N-TiO2).
(3) so far, the present embodiment used photocatalysis agent (V-N-TiO is completed2) preparation.
Reference examples:
(1) a kind of comparison device, including consumer waste filling and embedding device C and mineralized waste reaction unit D, consumer waste filling and embedding are set
Device C and mineralized waste reaction unit D constitutes dystopy synchronous nitration and denitrification original position denitrification integrated apparatus；House refuse
It fills device C and uses stainless steel cylinder, 65 cm of pillar height, 34 cm of diameter.Capital is equipped with leachate recirculation mouth 1 and gas outlet 2,
Mode is accepted using the flange with rubber pad between top cover and cylinder to seal.Percolate is at the uniform velocity rotated after entering by liquid distribution trough 3
Water distribution, followed by top gravel layer 4(5 cm), house refuse layer (40 cm) and lower gravel layer 6(5 cm).Top gravel
Layer 4 has the function of buffering and again time water；Lower gravel layer 6 is arranged as the up-thin-low-thick structure of partial size, plays support rubbish
With the effect for collecting percolate.The percolate of generation flows out (1 time/d) by bottom water outlet 7, water tank 8 is collected in, through water pump
9 pump to the water inlet 10 of mineralized waste reaction unit D.Consumer waste filling and embedding device C is unilateral equidistant equipped with upper, middle and lower three
Solid sampling hole 5；Mineralized waste reaction unit D includes reaction unit main body, ventilation duct 14, gas flowmeter 17,16 and of air pump
Control cabinet.The side mineralized waste reaction unit D is uniformly arranged three solid sample taps 13, and bottom sets out the mouth of a river 18 and aeration tube,
Aeration tube connects gas flowmeter 17, and gas flowmeter 17 connects air pump 16, and air pump 16 connects control cabinet；Center sets ventilation duct
14, top sealing, tube wall punching and lower part are connected with aeration tube, wrap up in gauze outside ventilation duct 14；Mineralized waste reaction unit D
Top covers and funnel, valve is arranged between funnel and lid, base adds uniform cloth hole PVC board；In mineralized waste reaction unit D filling
Portion's gravel layer 12, mineralized waste layer and inclined-plane gravel layer 15, by the inclined plate supporting oblique surface gravel layer 15 of uniform cloth hole, inclined-plane gravel
Layer 15 plays the role of support rubbish and collects percolate, and the percolate of generation is flowed out by bottom water outlet 18, is collected in water storage
Case 19, the leachate recirculation mouth 1 through the pump of water pump 20 to consumer waste filling and embedding device C；Three temp probes are uniformly embedded to mineralising rubbish
Rubbish layer.
The mineralized waste is derived from Guilin City and blurts out refuse landfill；House refuse is derived from the Guilin City town Yan Shan garbage transfer
It stands, is handled by 2 years dystopy synchronous nitration and denitrification original position denitrifications, the percolate that landfill device generates reaches aging water
It is flat.
The mineralized waste is the mineralized waste with 10 years landfill ages, will with sieve after transporting laboratory back from landfill yard
It screens out 4 ~ 10 mm particle size ranges, then fills out in mineralized waste reaction unit D, and loading density is 740 kg/m3.Mineralising
Rubbish appearance physical behavior shows themselves in that similar soil, without peculiar smell.
(2) setting device operating parameter according to actual needs pours landfill leachate by funnel, closes funnel after water inlet
Percolate after reacting in the previous day device is released into before percolate daily, is closed out immediately after by the valve between lid
Water valve.Each pollutant concentration variation during test in the primary water outlet percolate of measurement daily.
Test run 22 days, the results showed that, in A+B integrated apparatus, water outlet diafiltration ammonia nitrogen and COD concentration significantly drop
It is low, wherein garbage loading embeading device A is discharged percolate ammonia nitrogen concentration and is down to 10 mg/L by initial 60 mg/L or so, COD concentration by
Initial 300 mg/L or so is down to 145 mg/L；And in C+D integrated apparatus, garbage loading embeading device C water outlet diafiltration ammonia nitrogen and
COD concentration fluctuates up and down around initial concentration value, and nothing is decreased obviously trend.Illustrate that the method for the present invention can be by photocatalysis recharge
Percolate accelerates landfill waste to stabilize.
Claims (1)
1. a kind of photocatalysis recharge percolate accelerates the stabilized method of landfill waste, it is characterised in that specific steps are as follows:
(1) a kind of integrated apparatus is set, which includes consumer waste filling and embedding device and photocatalytic reaction device；
The consumer waste filling and embedding device is closed anaerobic denitrifying reactor, and main body uses stainless steel cylinder, pillar height 65
Cm, 34 cm of diameter are from bottom to top lower gravel layer, house refuse layer and top gravel layer；It is unilateral it is equidistant be equipped with it is upper,
In, lower three solid sampling holes；Top is equipped with leachate recirculation mouth and gas outlet；Percolate enters life by leachate recirculation mouth
By liquid distribution trough water distribution uniformity after garbage loading embeading device, followed by top gravel layer, house refuse layer and lower gravel layer,
Wherein, top gravel layer has the function of buffering and again time water, and lower gravel layer filling grain size of gravel is up-thin-low-thick, plays and holds
Support house refuse and the effect for collecting percolate；The percolate of generation is collected in landfill by bottom landfill device water outlet outflow
Device water tank is pumped through water pump to photocatalytic reaction device；
The photocatalytic reaction device includes reactive agent, rotor and magnetic stirring apparatus；The photocatalytic reaction device is daily too
Sunlight or the lower operation of all-wave length fluorescent tube transmitting light irradiation, the percolate that consumer waste filling and embedding device generates enter light-catalyzed reaction dress
Carry out photocatalysis treatment is set, the percolate after photocatalysis treatment is flowed out by bottom reaction unit water outlet, is collected in reaction dress
Set water tank, pump through water pump to the leachate recirculation mouth of consumer waste filling and embedding device, be introduced back into consumer waste filling and embedding device into
Row processing；Wherein reactive agent uses cylindrical glass container；
(2) integrated apparatus that step (1) is arranged is run according to the following steps:
The percolate that consumer waste filling and embedding device generates enters photocatalytic reaction device and carries out photocatalysis treatment；Light-catalyzed reaction dress
The water outlet set is again introduced into consumer waste filling and embedding device, is recycled according to this step；
(3) step (2) are completed, i.e. realization photocatalysis recharge percolate accelerates landfill waste to stabilize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596089.5A CN110280560A (en) | 2019-07-03 | 2019-07-03 | A kind of photocatalysis recharge percolate acceleration stabilized method of landfill waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596089.5A CN110280560A (en) | 2019-07-03 | 2019-07-03 | A kind of photocatalysis recharge percolate acceleration stabilized method of landfill waste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811979A (en) * | 2020-07-21 | 2020-10-23 | 重庆大学 | Device for sampling biodegradation degree of household garbage landfill disposal and analysis method |
| WO2021093237A1 (en) * | 2019-11-14 | 2021-05-20 | 青岛理工大学 | Heavy metal contaminated soil remediation experimental device |
-
2019
- 2019-07-03 CN CN201910596089.5A patent/CN110280560A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021093237A1 (en) * | 2019-11-14 | 2021-05-20 | 青岛理工大学 | Heavy metal contaminated soil remediation experimental device |
| CN111811979A (en) * | 2020-07-21 | 2020-10-23 | 重庆大学 | Device for sampling biodegradation degree of household garbage landfill disposal and analysis method |
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Application publication date: 20190927 |
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