CN109879572A - Landfill leachate advanced purification process system - Google Patents
Landfill leachate advanced purification process system Download PDFInfo
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- CN109879572A CN109879572A CN201910274611.8A CN201910274611A CN109879572A CN 109879572 A CN109879572 A CN 109879572A CN 201910274611 A CN201910274611 A CN 201910274611A CN 109879572 A CN109879572 A CN 109879572A
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 19
- 238000000746 purification Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000126 substance Substances 0.000 claims abstract description 26
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000005189 flocculation Methods 0.000 claims abstract description 19
- 230000016615 flocculation Effects 0.000 claims abstract description 19
- 238000010992 reflux Methods 0.000 claims abstract description 16
- 230000001112 coagulating effect Effects 0.000 claims abstract description 15
- 238000001556 precipitation Methods 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000701 coagulant Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 22
- 239000013505 freshwater Substances 0.000 claims description 14
- 239000010813 municipal solid waste Substances 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006213 oxygenation reaction Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 description 11
- 231100000719 pollutant Toxicity 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 8
- 244000005700 microbiome Species 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- -1 phthalic acid ester Chemical class 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A kind of landfill leachate advanced purification process system that the present invention announces, including materialized pretreatment subsystem, biochemical treatment subsystem and embrane method advanced treating subsystem；Materialized pretreatment subsystem includes leachate collection pool, inlet water lifting pumps, bag filter, coagulant drug-adding device, coagulating slot, flocculant chemicals dosing plant, flocculation reaction slot, precipitation tank, sludge-tank, sludge force (forcing) pump and filter press；Biochemical treatment subsystem includes that quenched slot, denitrifying carbon source chemicals dosing plant, biochemical elevator pump, level-one Anoxic/Aerobic biochemical reactor, second level Anoxic/Aerobic biochemical reactor, level-one reflux pump, second level reflux pump and bio-chemical effluent slot, embrane method advanced treating subsystem include MBR subsystem, NF subsystem, RO subsystem and DTRO subsystem.After the present invention passes through three-level system fine processing, percolate can be effectively purified, relevant emission standards are reached, prevents Landfill Leachate Pollution environment.
Description
Technical field
The invention belongs to technical field of domestic garbage treatment, and in particular to a kind of landfill leachate advanced purification process system
System.
Background technique
Domestic refuse landfill is mainly carried out in a manner of rubbish mixed collection and blended landfill, the composition of rubbish at
Divide complexity, landfill leachate refers to the moisture that rubbish itself contains in refuse landfill, the sleet water into landfill yard
And other moisture, the saturation moisture capacity of rubbish, overburden layer is deducted, and undergo waste layer and overburden layer and a kind of high concentration for being formed
Organic wastewater.
Landfill leachate not only contains oxygen consumption organic pollutant, also contains each metalloid and nutrient for plants (ammonia nitrogen etc.)；
BOD5, COD concentration are high, significantly larger than municipal sewage；Organic pollutant category is more, wherein being difficult to biodegradable naphthalene, phenanthrene etc.
Non-chlorinated aromatic compounds, chlorinated aromatic group compound, phosphate, phthalic acid ester, phenolic compound and phenyl amines
Close object etc.；Contain ten various metals ions in landfill leachate, heavy metal ion therein can generate inhibiting effect to microorganism；
Ammonia-nitrogen content is high, and C/N is out of proportion, and P elements lack.Therefore, landfill leachate can cause environment greatly to pollute.
Summary of the invention
In view of the above technical problems, the present invention is intended to provide consumer waste landfill percolate can be effectively treated in one kind,
It is set to be finally reached the landfill leachate advanced purification process system of relevant emission standards.
For this purpose, the technical scheme adopted by the invention is as follows: a kind of landfill leachate advanced purification process system, including materialization
Pre-process subsystem, biochemical treatment subsystem and embrane method advanced treating subsystem；
The materialized pretreatment subsystem includes leachate collection pool, inlet water lifting pumps, bag filter, coagulant dosing
Device, coagulating slot, flocculant chemicals dosing plant, flocculation reaction slot, precipitation tank, sludge-tank, sludge force (forcing) pump and filter press, institute
The percolate stated in leachate collection pool is lifted into bag filter through inlet water lifting pumps pressurization, and the bag filter goes out
The mouth of a river is connected with coagulating slot, and coagulant, the coagulation are added into coagulating slot by the coagulant drug-adding device
The water outlet of reactive tank is connected with flocculation reaction slot, and flocculation is added into flocculation reaction slot by the flocculant chemicals dosing plant
The water outlet of agent, the flocculation reaction slot is connected with precipitation tank, and the sludge precipitated in the bottom bucket of the precipitation tank enters dirt
Mud sump is delivered to filter press by sludge force (forcing) pump and carries out filter-press dehydration, and the filters pressing water of the filter press drains into trench, after dehydration
Sludge be transported to refuse landfill processing；
The biochemical treatment subsystem includes that quenched slot, denitrifying carbon source chemicals dosing plant, biochemical elevator pump, level-one anoxic are good
Oxygen biochemical reactor, second level Anoxic/Aerobic biochemical reactor, level-one reflux pump, second level reflux pump and bio-chemical effluent slot are described heavy
Supernatant in the slot of shallow lake enters quenched slot, it is quenched after the completion of percolate through the pressurization of biochemical elevator pump to be lifted into level-one anoxic good
The anoxic section of oxygen biochemical reactor, the water outlet and level-one Anoxic/Aerobic of the anoxic section of the level-one Anoxic/Aerobic biochemical reactor
The aerobic section of biochemical reactor is connected, and the water part of the aerobic section of the level-one Anoxic/Aerobic biochemical reactor passes through reflux pump
It is back to the anoxic section of level-one Anoxic/Aerobic biochemical reactor, rest part enters the anoxic of second level Anoxic/Aerobic biochemical reactor
Section, the water outlet of the anoxic section of the second level Anoxic/Aerobic biochemical reactor and the aerobic section of second level Anoxic/Aerobic biochemical reactor
It is connected, the water part of the aerobic section of the second level Anoxic/Aerobic biochemical reactor is back to second level Anoxic/Aerobic by reflux pump
The anoxic section of biochemical reactor, rest part enter bio-chemical effluent slot, the aerobic section of the second level Anoxic/Aerobic biochemical reactor
The sludge of interior precipitating is discharged into sludge-tank, by denitrifying carbon source chemicals dosing plant to the anoxic section of level-one Anoxic/Aerobic biochemical reactor
Denitrifying carbon source is added in the anoxic section of second level Anoxic/Aerobic biochemical reactor；
The embrane method advanced treating subsystem includes MBR subsystem, NF subsystem, RO subsystem and DTRO subsystem, institute
The percolate of bio-chemical effluent slot is stated by membranous system intake pump pressurized delivered to MBR subsystem, the water outlet of the MBR subsystem into
Enter MBR clear liquid case, the clear liquid in MBR clear liquid case passes through NF intake pump pressurized delivered to NF subsystem, point of the MBR subsystem
It separates out the biochemical sludge come and is back to level-one Anoxic/Aerobic biochemical reactor, it is clear that the clear liquid that the NF subsystem separating goes out enters NF
Liquid case, the dope that the clear liquid in NF clear liquid case is gone out by RO intake pump pressurized delivered to RO subsystem, the NF subsystem separating
Into dope case, the water outlet of the RO subsystem is connected with fresh-water tank, concentrated water outlet and the dope case of the RO subsystem
It is connected, the water outlet of the dope case passes through DTRO intake pump pressurized delivered to DTRO subsystem, the fresh water of the DTRO subsystem
Outlet is connected with fresh-water tank, and the concentrated water that the DTRO subsystem separating goes out enters recharge slot, then extremely by recharging pump pressurized delivered
Refuse landfill carries out recharge processing.
Preferably, passing through aerobic section of the level-one jetting type aeration pump to the level-one Anoxic/Aerobic biochemical reactor respectively
Interior oxygenation is oxygenated by secondary jets formula aeration pump into the aerobic section of second level Anoxic/Aerobic biochemical reactor.Using the above knot
Structure, molten gas is high-efficient, and equipment is simple, easy to maintain.
Preferably, the water outlet of the fresh-water tank is connected with discharge pond, it is provided with sampling pump in the discharge pond, institute
Sewage treatment plant's progress subsequent processing can be emitted into after detection is up to standard by stating the water outlet in discharge pond.Using the above structure, energy
Whether the enough sewage of quickly detection after processing reaches discharge standard, examines treatment effect.
Preferably, the water outlet in the discharge pond is connected with Bashel flow channel, discharged after metering.Use with
Upper structure can measure discharge water yield, convenient for statistics and management.
Preferably, the filter press is chamber-type press filter.Using the above structure, it is conveniently replaceable filter cloth, it is easy to maintain.
The beneficial effects of the present invention are: landfill leachate is through materialized pretreatment subsystem, biochemical treatment subsystem and embrane method
After advanced treating subsystem three-level system fine processing, percolate can be effectively purified, treated, and percolate can reach " raw
Refuse landfill living controls standard " GB16889-2008, prevent Landfill Leachate Pollution environment.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
By way of example and in conjunction with the accompanying drawings, the invention will be further described:
As shown in Figure 1, a kind of landfill leachate advanced purification process system, by materialized pretreatment subsystem, biochemical treatment
Subsystem and embrane method advanced treating subsystem composition；Materialized pretreatment subsystem is by leachate collection pool 1, inlet water lifting pumps 2, bag
Formula filter 3, coagulant drug-adding device 14, coagulating slot 4, flocculant chemicals dosing plant 15, flocculation reaction slot 5, precipitation tank 6,
Sludge-tank 7, sludge force (forcing) pump 8 and filter press 9 form；Biochemical treatment subsystem is by quenched slot 10, denitrifying carbon source chemicals dosing plant
21, biochemical elevator pump 11, level-one Anoxic/Aerobic biochemical reactor 12, second level Anoxic/Aerobic biochemical reactor 13, level-one reflux pump
17, second level reflux pump 19, level-one jetting type aeration pump 18, secondary jets formula aeration pump 20 and bio-chemical effluent slot 16 form；Embrane method
Advanced treating subsystem by membranous system intake pump 22, MBR subsystem 23, MBR clear liquid case 24, NF intake pump 25, NF subsystem 26,
NF clear liquid case 27, RO intake pump 28, RO subsystem 29, dope case 30, DTRO intake pump 31, DTRO subsystem 32, recharge slot 33,
Recharging pump 34, fresh-water tank 35, discharge pond 36 and Bashel flow channel 37 form, and MBR subsystem 23 is external membrane biological respinse
Device system, NF subsystem 26 are nanofiltration system, RO subsystem 29 i.e. counter-infiltration system, and DTRO subsystem 32 is disc tube reverse osmosis (dt-ro)
System.
As shown in Figure 1, materialized pretreatment subsystem removes rubbish by filtering, coagulating, flocculation reaction and precipitation
Bulky grain sundries, suspended matter in rubbish percolate etc., the percolate in leachate collection pool 1 pressurizes through inlet water lifting pumps 2 to be promoted
Into bag filter 3, the bulky grain sundries in removal percolate, pocket type mistake are intercepted with accurate filter bag in bag filter 3
The water outlet of filter 3 is connected with coagulating slot 4, and the water outlet of coagulating slot 4 is connected with flocculation reaction slot 5, passes through coagulation
Orange medicine is added into coagulating slot 4 as coagulant for agent chemicals dosing plant 14, makes percolate generation coagulating, in percolate
Suspension pollutant generates tiny alumen ustum together with coagulant, and the water outlet of coagulating slot 4 is connected with flocculation reaction slot 5, seeps
Filtrate is flow automatically after coagulating enters flocculation reaction slot 5, is added by flocculant chemicals dosing plant 15 into flocculation reaction slot 5 white
Medicine makes percolate that flocculation reaction occur as flocculant, and previous tiny alumen ustum generates big alumen ustum together with flocculant, and flocculation is anti-
The water outlet of slot 5 is answered to be connected with precipitation tank 6, the percolate gravity flow after flocculation reaction, which enters in precipitation tank 6, to be precipitated, and is precipitated
The sludge precipitated in the bottom bucket of slot 6 enters sludge-tank 7, and the sludge in sludge-tank 7 is delivered to filters pressing by sludge force (forcing) pump 8
Machine 9 carries out filter-press dehydration, and in the present embodiment, filter press 9 uses chamber-type press filter, and the filters pressing water of filter press 9 drains into trench, is dehydrated
Sludge afterwards is transported to refuse landfill processing, and percolate forms supernatant on 6 top of precipitation tank, and gravity flow enters biochemical treatment system
System.
As shown in Figure 1, biochemical treatment subsystem removed by denitrification and nitrification it is most total in percolate
Nitrogen pollutant and ammonia nitrogen pollutant, the supernatant in precipitation tank 6 enter quenched slot 10, and homogeneous average is quenched complete in quenched slot 10
Percolate after is lifted into the anoxic section 12a of level-one Anoxic/Aerobic biochemical reactor, level-one through the pressurization of biochemical elevator pump 11
The water outlet of the anoxic section 12a of Anoxic/Aerobic biochemical reactor is connected with the aerobic section 12b of level-one Anoxic/Aerobic biochemical reactor,
The water part of the aerobic section 12b of level-one Anoxic/Aerobic biochemical reactor is back to level-one Anoxic/Aerobic by level-one reflux pump 17
The anoxic section 12a of biochemical reactor, rest part enter the anoxic section 13a of second level Anoxic/Aerobic biochemical reactor, pass through anti-nitre
Change carbon source chemicals dosing plant 21 and denitrifying carbon source is added into the anoxic section 12a of level-one Anoxic/Aerobic biochemical reactor, makes denitrification
Denitrification denitrogenation reaction occurs for microorganism, removes most total nitrogen pollutant in percolate, biochemical anti-in level-one Anoxic/Aerobic
It answers in the aerobic section 12b of device, through level-one jetting type aeration pump 18 into the aerobic section 12b of level-one Anoxic/Aerobic biochemical reactor
Oxygenation, nitrifying microorganisms make the ammonia nitrogen pollutant in percolate that nitration reaction occur under aerobic condition, remove most ammonia-nitrogen
Pollutant arrives the water outlet high-flow backflow of the aerobic section 12b of level-one Anoxic/Aerobic biochemical reactor by level-one reflux pump 17
The water inlet end of the anoxic section 12a of level-one Anoxic/Aerobic biochemical reactor, guarantees that anti-nitration reaction is normally carried out；Second level Anoxic/Aerobic
The water outlet of the anoxic section 13a of biochemical reactor is connected with the aerobic section 13b of second level Anoxic/Aerobic biochemical reactor, second level anoxic
The water part of the aerobic section 13b of aerobic biochemical reactor is back to second level Anoxic/Aerobic biochemical reaction by second level reflux pump 19
The anoxic section 13a of device, rest part enter bio-chemical effluent slot 16, the aerobic section 13b of the second level Anoxic/Aerobic biochemical reactor
The sludge of interior precipitating is discharged into sludge-tank 7, passes through the lacking to second level Anoxic/Aerobic biochemical reactor of denitrifying carbon source chemicals dosing plant 21
Denitrifying carbon source is added in oxygen section 13a, makes denitrifying microorganism that denitrification denitrogenation reaction occur, removes again total in percolate
Nitrogen pollutant is lacked by secondary jets formula aeration pump 20 to second level in the aerobic section 13b of second level Anoxic/Aerobic biochemical reactor
Oxygenation, nitrifying microorganisms make the ammonia nitrogen pollutant in percolate under aerobic condition in the aerobic section of oxygen aerobic biochemical reactor 13
Nitration reaction occurs, removes ammonia nitrogen pollutant again, the good of second level Anoxic/Aerobic biochemical reactor is made by second level reflux pump 19
The water outlet high-flow backflow of oxygen section 13b to second level Anoxic/Aerobic biochemical reactor anoxic section 13a water inlet end, guarantee denitrification
Reaction is normally carried out；The water outlet gravity flow of the aerobic section 13b of second level Anoxic/Aerobic biochemical reactor enters bio-chemical effluent slot 16.
As shown in Figure 1, embrane method advanced treating subsystem purifies percolate step by step by multiple filtration, it is finally reached discharge
Standard, the life of the percolate of bio-chemical effluent slot 16 by 22 pressurized delivered of membranous system intake pump to MBR subsystem 23, in percolate
Change sludge to be separated by MBR subsystem 23, and be back to level-one Anoxic/Aerobic biochemical reactor 12, MBR subsystem 23 goes out
The mouth of a river is connected with MBR clear liquid case 24, and through MBR subsystem 23, treated that percolate is stored to MBR clear liquid case 24, MBR clear liquid case
Percolate in 24 passes through the filtration of NF subsystem 26, diafiltration by 25 pressurized delivered of NF intake pump to NF subsystem 26
The pollutants such as the larger molecular organics in liquid are efficiently removed, and the concentrated water outlet of NF subsystem 26 is connected with dope case 30, fresh water
Outlet is connected with NF clear liquid case 27, and the percolate in NF clear liquid case 27 enters RO subsystem by 28 pressurized delivered of RO intake pump
29, in RO subsystem 29, the pollutants such as remaining ammonia nitrogen, total nitrogen, total phosphorus and small organic molecule are effectively gone in percolate
It removes, the water outlet of RO subsystem 29 is connected with fresh-water tank 35, and concentrated water outlet is connected with dope case 30, and the dope of dope case 30 is logical
It crosses 31 pressurized delivered of DTRO intake pump and enters DTRO subsystem 32, in DTRO subsystem 32, dope is further concentrated, separation
Water outlet for fresh water and concentrated water, DTRO subsystem 32 is connected with fresh-water tank 35, and concentrated water outlet is connected with recharge slot 33, recharge
The concentrated water of slot 33 is transported to refuse landfill recharge processing, water outlet and discharge 36 phase of pond of fresh-water tank 35 by recharging pump 34
Even, it is provided with sampling pump in discharge pond 36, the water quality for discharging water in pond 36 is carried out by sample detecting by sampling pump, discharges pond
36 water outlet is connected with Bashel flow channel 37, can measure to discharge amount, discharges in pond 36 after detection is up to standard
Water can be reserved for one's own use into metered discharge in Bashel flow channel 37.
Claims (5)
1. a kind of landfill leachate advanced purification process system, it is characterised in that: including materialized pretreatment subsystem, biochemical treatment
Subsystem and embrane method advanced treating subsystem；
The materialized pretreatment subsystem includes leachate collection pool, inlet water lifting pumps, bag filter, coagulant dosing dress
It sets, coagulating slot, flocculant chemicals dosing plant, flocculation reaction slot, precipitation tank, sludge-tank, sludge force (forcing) pump and filter press, it is described
Percolate in leachate collection pool is lifted into bag filter, the water outlet of the bag filter through inlet water lifting pumps pressurization
Mouth is connected with coagulating slot, coagulant is added into coagulating slot by the coagulant drug-adding device, the coagulation is anti-
It answers the water outlet of slot to be connected with flocculation reaction slot, flocculant is added into flocculation reaction slot by the flocculant chemicals dosing plant,
The water outlet of the flocculation reaction slot is connected with precipitation tank, and the sludge precipitated in the bottom bucket of the precipitation tank enters sludge
Pond is delivered to filter press by sludge force (forcing) pump and carries out filter-press dehydration, and the filters pressing water of the filter press drains into trench, dewatered
Sludge is transported to refuse landfill processing；
The biochemical treatment subsystem includes quenched slot, denitrifying carbon source chemicals dosing plant, biochemical elevator pump, the life of level-one Anoxic/Aerobic
Change reactor, second level Anoxic/Aerobic biochemical reactor, level-one reflux pump, second level reflux pump and bio-chemical effluent slot, the precipitation tank
Interior supernatant enters quenched slot, it is quenched after the completion of percolate through the pressurization of biochemical elevator pump to be lifted into level-one Anoxic/Aerobic raw
Change the anoxic section of reactor, the water outlet and level-one Anoxic/Aerobic of the anoxic section of the level-one Anoxic/Aerobic biochemical reactor are biochemical
The aerobic section of reactor is connected, and the water part of the aerobic section of the level-one Anoxic/Aerobic biochemical reactor passes through level-one reflux pump
It is back to the anoxic section of level-one Anoxic/Aerobic biochemical reactor, rest part enters the anoxic of second level Anoxic/Aerobic biochemical reactor
Section, the water outlet of the anoxic section of the second level Anoxic/Aerobic biochemical reactor and the aerobic section of second level Anoxic/Aerobic biochemical reactor
It is connected, the water part of the aerobic section of the second level Anoxic/Aerobic biochemical reactor is back to second level anoxic by second level reflux pump
The anoxic section of aerobic biochemical reactor, rest part enter bio-chemical effluent slot, the second level Anoxic/Aerobic biochemical reactor it is good
The sludge precipitated in oxygen section is discharged into sludge-tank, passes through denitrifying carbon source chemicals dosing plant lacking to level-one Anoxic/Aerobic biochemical reactor
Denitrifying carbon source is added in oxygen section and the anoxic section of second level Anoxic/Aerobic biochemical reactor；
The embrane method advanced treating subsystem includes MBR subsystem, NF subsystem, RO subsystem and DTRO subsystem, the life
The percolate of sink is dissolved by membranous system intake pump pressurized delivered to MBR subsystem, the water outlet of the MBR subsystem enters
MBR clear liquid case, the clear liquid in MBR clear liquid case pass through NF intake pump pressurized delivered to NF subsystem, the separation of the MBR subsystem
Biochemical sludge out is back to level-one Anoxic/Aerobic biochemical reactor, and the clear liquid that the NF subsystem separating goes out enters NF clear liquid
Case, the clear liquid in NF clear liquid case by RO intake pump pressurized delivered to RO subsystem, the dope that the NF subsystem separating goes out into
Enter dope case, the water outlet of the RO subsystem is connected with fresh-water tank, concentrated water outlet and the dope case phase of the RO subsystem
Even, by DTRO intake pump pressurized delivered to DTRO subsystem, the fresh water of the DTRO subsystem goes out for the water outlet of the dope case
Mouth is connected with fresh-water tank, and the concentrated water that the DTRO subsystem separating goes out enters recharge slot, then passes through recharging pump pressurized delivered to rubbish
Rubbish landfill yard carries out recharge processing.
2. landfill leachate advanced purification process system according to claim 1, it is characterised in that: penetrated respectively by level-one
Streaming aeration pump is oxygenated into the aerobic section of the level-one Anoxic/Aerobic biochemical reactor, by secondary jets formula aeration pump to two
Oxygenation in the aerobic section of grade Anoxic/Aerobic biochemical reactor.
3. landfill leachate advanced purification process system according to claim 1, it is characterised in that: the fresh-water tank goes out
The mouth of a river is connected with discharge pond, and sampling pump is provided in the discharge pond, and the water outlet in the discharge pond is after detection is up to standard
Sewage treatment plant can be emitted into and carry out subsequent processing.
4. landfill leachate advanced purification process system according to claim 3, it is characterised in that: the discharge pond goes out
The mouth of a river is connected with Bashel flow channel, is discharged after metering.
5. landfill leachate advanced purification process system according to claim 1, it is characterised in that: the filter press is compartment
Formula filter press.
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| CN201910274611.8A CN109879572A (en) | 2019-04-08 | 2019-04-08 | Landfill leachate advanced purification process system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910274611.8A CN109879572A (en) | 2019-04-08 | 2019-04-08 | Landfill leachate advanced purification process system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482760A (en) * | 2019-08-29 | 2019-11-22 | 上海丰信环保科技有限公司 | A kind of Treated sewage reusing technique of zero discharge |
| CN112159030A (en) * | 2020-09-11 | 2021-01-01 | 郑州绿清环保科技有限公司 | Novel leachate treatment system |
| CN115974326A (en) * | 2023-01-04 | 2023-04-18 | 中安智创环保科技有限公司 | An integrated equipment and treatment process for rural domestic sewage treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503046A (en) * | 2011-11-18 | 2012-06-20 | 北京伊普国际水务有限公司 | Advanced treatment system and method for high-concentration percolate in comprehensive garbage disposal plant |
| WO2013010388A1 (en) * | 2011-07-21 | 2013-01-24 | 波鹰(厦门)科技有限公司 | Apparatus for treating landfill leachate and treatment method therefor |
| CN203653393U (en) * | 2014-01-01 | 2014-06-18 | 浙江四通环境工程有限公司 | Landfill leachate treatment device |
| CN108314272A (en) * | 2018-04-12 | 2018-07-24 | 广东雅迪环保设备有限公司 | Membrane method enhanced treatment process and treatment system for leachate of middle and late-stage refuse landfill |
-
2019
- 2019-04-08 CN CN201910274611.8A patent/CN109879572A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010388A1 (en) * | 2011-07-21 | 2013-01-24 | 波鹰(厦门)科技有限公司 | Apparatus for treating landfill leachate and treatment method therefor |
| CN102503046A (en) * | 2011-11-18 | 2012-06-20 | 北京伊普国际水务有限公司 | Advanced treatment system and method for high-concentration percolate in comprehensive garbage disposal plant |
| CN203653393U (en) * | 2014-01-01 | 2014-06-18 | 浙江四通环境工程有限公司 | Landfill leachate treatment device |
| CN108314272A (en) * | 2018-04-12 | 2018-07-24 | 广东雅迪环保设备有限公司 | Membrane method enhanced treatment process and treatment system for leachate of middle and late-stage refuse landfill |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482760A (en) * | 2019-08-29 | 2019-11-22 | 上海丰信环保科技有限公司 | A kind of Treated sewage reusing technique of zero discharge |
| CN112159030A (en) * | 2020-09-11 | 2021-01-01 | 郑州绿清环保科技有限公司 | Novel leachate treatment system |
| CN115974326A (en) * | 2023-01-04 | 2023-04-18 | 中安智创环保科技有限公司 | An integrated equipment and treatment process for rural domestic sewage treatment |
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