CN107721040A - A kind of garbage percolation liquid treating system and its method - Google Patents
A kind of garbage percolation liquid treating system and its method Download PDFInfo
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- CN107721040A CN107721040A CN201711229369.XA CN201711229369A CN107721040A CN 107721040 A CN107721040 A CN 107721040A CN 201711229369 A CN201711229369 A CN 201711229369A CN 107721040 A CN107721040 A CN 107721040A
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- percolate
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- organic matter
- ammonia nitrogen
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- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 238000005325 percolation Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 51
- 239000005416 organic matter Substances 0.000 claims abstract description 37
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000006056 electrooxidation reaction Methods 0.000 claims abstract description 18
- 238000001728 nano-filtration Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000003647 oxidation Effects 0.000 claims description 17
- 238000007254 oxidation reaction Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 13
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 238000004332 deodorization Methods 0.000 claims description 6
- 229910001385 heavy metal Inorganic materials 0.000 claims description 6
- -1 ozone ion Chemical class 0.000 claims description 6
- 238000000053 physical method Methods 0.000 claims description 6
- 231100000614 poison Toxicity 0.000 claims description 6
- 230000007096 poisonous effect Effects 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 claims 1
- 229940005991 chloric acid Drugs 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 abstract 1
- 238000002848 electrochemical method Methods 0.000 abstract 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 abstract 1
- 239000004021 humic acid Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000010170 biological method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
- C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
-
- 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
- C02F2101/32—Hydrocarbons, e.g. oil
- C02F2101/322—Volatile compounds, e.g. benzene
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
Abstract
The invention discloses a kind of garbage percolation liquid treating system and its method, including：Electrochemical oxidation pond, one-level electrolysis ammonia nitrogen pond, two level electrolysis organic matter pond, coarse filter and nanofiltration pond interconnect.The present invention to the stench inorganic matter such as ammonia nitrogen in percolate electrolysis processing, is electrolysed processing and filtering, percolate qualified discharge after processing to the various organic matters such as humic acid by electrochemical method.
Description
Technical field
The present invention relates to a kind of garbage percolation liquid treating system and its method.
Background technology
In the prior art, because landfill leachate treatment difficulty is larger, it is primarily due to the three high and one low of percolate：
High salt, high ammonia nitrogen, high COD, low BOD.And COD concentration height means biochemical oxygen demand height, low BOD means that biochemical oxygen demand (BOD) is low,
Hardly possible is decomposed.So far, either biological method be still chemically treated it is all less desirable.If many experimenters are by cultivating bacterium
Biological treatment is carried out to percolate, but because the environment residing for percolate is very harsh, therefore cause the biological method
It is not highly effective.The methods of other pure physics, pure chemistries etc., is undesirable.
Therefore, it is industry urgent problem to be solved to design a kind of method that can effectively handle percolate.
The content of the invention
The present invention provides a kind of method for treating garbage percolation liquid, including：
Step 1：Percolate is produced into ozone ion with physical method, by the strong oxidation of ozone, aoxidizes percolate
The oxidizable organic matter in middle part, the inorganic matter of the poisonous inorganic matter in part and part with strong foul smell, are reduced to a certain degree
COD, BOD and foul smell, play deodorization and Effect of Pretreatment；
Step 2：Percolate rare metal electrode by being handled in step 1, electrolysis pretreatment, this electrode are had
Suppress electrolysis water and produce the effect of hydrazine, hypochlorous acid is produced by NaCl of the catalytic action of electrode in percolate, then lead to
Hypochlorous strong oxidation oxidation ammonia nitrogen and organic matter are crossed, the ammonia nitrogen in percolate is substantially achieved processing；
Step 3：By the percolate rare metal electrode by being handled in step 2, it is electrolysed and is handled through step 2, it is this
Electrode plays the role of to suppress organic matter in electrolysis water and the further decomposed liq of guiding；
Step 4：The inorganic sediments such as a small amount of heavy metal will be filtered by coarse filtration by the percolate handled in step 3；
Step 5：It is organic by the fraction remained in liquid is filtered out by nanofiltration by the percolate handled in step 4
Matter and the inorganic matter to suspend, reach the purpose up to standard being discharged into.
The present invention also proposes a kind of garbage percolation liquid treating system, including：
Electrochemical oxidation pond, percolate is produced ozone ion by the electrochemical oxidation module with physical method, by smelly
The strong oxidation of oxygen, the oxidizable organic matter in part in percolate, the poisonous inorganic matter in part and part are aoxidized with strong foul smell
Inorganic matter, reduce COD, BOD and foul smell to a certain degree, play deodorization and Effect of Pretreatment；
One-level electrolysis ammonia nitrogen pond, the one-level electrolysis ammonia nitrogen pond connects the electrochemical oxidation pond, and will pass through described
The percolate handled in electrochemical oxidation pond rare metal electrode, electrolysis pretreatment, this electrode, which has, suppresses electrolysis water and production
The effect of raw hydrazine, by NaC of the catalytic action of electrode in percolate] hypochlorous acid is produced, then pass through hypochlorous strong oxygen
Change oxidation ammonia nitrogen and organic matter, the ammonia nitrogen in percolate is substantially achieved processing；
Two level electrolysis organic matter pond, the two level electrolysis organic matter pond connect the one-level electrolysis ammonia nitrogen pond, and will be through
The percolate rare metal electrode handled is crossed in the one-level electrolysis ammonia nitrogen pond, is electrolysed and is handled through step 2, this electrode has
Suppress the effect of organic matter in electrolysis water and the further decomposed liq of guiding；
Coarse filter, the coarse filter is connected to the two level electrolysis organic matter pond, and will have by two level electrolysis
The percolate handled in machine matter pond filters the inorganic sediments such as a small amount of heavy metal by coarse filtration；
Nanofiltration pond, the nanofiltration pond is connected to the coarse filter, and will pass through in the coarse filter percolate handled
The fraction organic matter remained in liquid and the inorganic matter of suspension are filtered out by nanofiltration, reaches the purpose up to standard being discharged into.
Preferably, the electrochemical oxidation pond, one-level electrolysis ammonia nitrogen pond, two level electrolysis organic matter pond, coarse filter and nanofiltration
Motor power is respectively equipped with pond.
Compared with prior art, the present invention has advantages below：
Handled by electrochemical oxidation, to ammonia nitrogen electrolysis, phenyl ring electrolysis is handled, filtering finally obtains diafiltration up to standard
Liquid.
Brief description of the drawings
Fig. 1 is garbage percolation liquid treating system high-level schematic functional block diagram of the present invention.
Embodiment
In order to more fully understand the technology contents of the present invention, the present invention is further illustrated below in conjunction with the accompanying drawings, but
It is not limited to this.
As shown in figure 1, a kind of method for treating garbage percolation liquid proposed by the present invention, including：
Step 1：Percolate is produced into ozone ion with physical method, by the strong oxidation of ozone, aoxidizes percolate
The oxidizable organic matter in middle part, the inorganic matter of the poisonous inorganic matter in part and part with strong foul smell, are reduced to a certain degree
COD, BOD and foul smell, play deodorization and Effect of Pretreatment.Main chemical reactions formula：
NH3+O3→ N0, NO2+H2O
CN-+O3→CO2+O2+N2
Organic matter+O3→H2O+CO2+ NO, NO2
Step 2：Percolate rare metal electrode by being handled in step 1, electrolysis pretreatment, this electrode are had
Suppress electrolysis water and produce the effect of hydrazine, hypochlorous acid is produced by NaCl of the catalytic action of electrode in percolate, then lead to
Hypochlorous strong oxidation oxidation ammonia nitrogen and organic matter are crossed, the ammonia nitrogen in percolate is substantially achieved processing.Primary chemical is anti-
Answer formula：
Step 3：By the percolate rare metal electrode by being handled in step 2, it is electrolysed and is handled through step 2, it is this
Electrode plays the role of to suppress organic matter in electrolysis water and the further decomposed liq of guiding.Main chemical reactions formula：
Step 4：The inorganic sediments such as a small amount of heavy metal will be filtered by coarse filtration by the percolate handled in step 3.
Step 5：It is organic by the fraction remained in liquid is filtered out by nanofiltration by the percolate handled in step 4
Matter and the inorganic matter to suspend, reach the purpose up to standard being discharged into.
The present invention also proposes a kind of garbage percolation liquid treating system, including：Electrochemical oxidation pond 1, electrochemical oxidation module 1
Percolate is produced into ozone ion with physical method, by the strong oxidation of ozone, it is oxidizable to aoxidize part in percolate
Organic matter, the inorganic matter of the poisonous inorganic matter in part and part with strong foul smell, reduce COD, BOD and foul smell, rise to a certain degree
To deodorization and Effect of Pretreatment.
One-level electrolysis ammonia nitrogen pond 2, one-level electrolysis ammonia nitrogen pond 2 connects electrochemical oxidation pond 1, and will pass through electrochemical oxidation
The percolate handled in pond 1 rare metal electrode, electrolysis pretreatment, this electrode have the work for suppressing electrolysis water and producing hydrazine
With producing hypochlorous acid by NaCl of the catalytic action of electrode in percolate, then aoxidize by hypochlorous strong oxidation
Ammonia nitrogen and organic matter, the ammonia nitrogen in percolate is set to be substantially achieved processing.
Two level electrolysis organic matter pond 3, two level electrolysis organic matter pond 3 connects one-level electrolysis ammonia nitrogen pond 2, and will pass through one-level
The percolate rare metal electrode handled in electrolysis ammonia nitrogen pond 2, is electrolysed and is handled through step 2, this electrode has suppression electrolysis water
And guide the effect of organic matter in further decomposed liq.
Coarse filter 4, coarse filter 4 are connected to two level electrolysis organic matter pond 3, and will pass through in two level electrolysis organic matter pond 3
The percolate of processing filters the inorganic sediments such as a small amount of heavy metal by coarse filtration.
Nanofiltration pond 5, nanofiltration pond 5 is connected to coarse filter 4, and will pass through nanofiltration by the percolate handled in coarse filter 4
The fraction organic matter remained in liquid and the inorganic matter of suspension are filtered out, reaches the purpose up to standard being discharged into.
It is preferred that in an embodiment, electrochemical oxidation pond 1, one-level electrolysis ammonia nitrogen pond 2, two level electrolysis organic matter pond 3, coarse filter
4 and nanofiltration pond 5 in be respectively equipped with motor power.
To sum up, the present invention handles by electrochemical oxidation, to ammonia nitrogen electrolysis, phenyl ring electrolysis is handled, filtering finally obtains
Percolate up to standard.
Specific embodiment above is only to illustrate the design of the present invention, and one of ordinary skill in the art is in this hair
Various deformation and change can be made under bright design.These deformations and change are included within protection scope of the present invention.
Claims (3)
- A kind of 1. method for treating garbage percolation liquid, it is characterised in that including：Step 1：Percolate is produced into ozone ion with physical method, passes through the strong oxidation of ozone, oxidation percolate middle part Divide oxidizable organic matter, the inorganic matter of the poisonous inorganic matter in part and part with strong foul smell, reduce COD, BOD to a certain degree And foul smell, play deodorization and Effect of Pretreatment；Step 2：Percolate rare metal electrode by being handled in step 1, electrolysis pretreatment, this electrode there is into suppression Electrolysis water and the effect for producing hydrazine, hypochlorous acid is produced by NaCl of the catalytic action of electrode in percolate, then by secondary The strong oxidation oxidation ammonia nitrogen and organic matter of chloric acid, make the ammonia nitrogen in percolate be substantially achieved processing；Step 3：By the percolate rare metal electrode by being handled in step 2, it is electrolysed and is handled through step 2, this electrode Play the role of to suppress organic matter in electrolysis water and the further decomposed liq of guiding；Step 4：The inorganic sediments such as a small amount of heavy metal will be filtered by coarse filtration by the percolate handled in step 3；Step 5：To be filtered out by the percolate handled in step 4 by nanofiltration the fraction organic matter that is remained in liquid and The inorganic matter of suspension, reach the purpose up to standard being discharged into.
- A kind of 2. garbage percolation liquid treating system, it is characterised in that including：Percolate is produced ozone ion with physical method, passed through by electrochemical oxidation pond (1), the electrochemical oxidation module (1) The strong oxidation of ozone, aoxidize part is oxidizable in percolate organic matter, the poisonous inorganic matter in part and partly band is strong smelly The inorganic matter of gas, reduces COD, BOD and foul smell to a certain degree, plays deodorization and Effect of Pretreatment；One-level is electrolysed ammonia nitrogen pond (2), and one-level electrolysis ammonia nitrogen pond (2) connects the electrochemical oxidation pond (1), and will pass through The percolate rare metal electrode of processing in the electrochemical oxidation pond (1), electrolysis pretreatment, this electrode have suppression to be electrolysed Water and the effect for producing hydrazine, hypochlorous acid is produced by NaCl of the catalytic action of electrode in percolate, then pass through hypochlorous acid Strong oxidation oxidation ammonia nitrogen and organic matter, the ammonia nitrogen in percolate is substantially achieved processing；Two level is electrolysed organic matter pond (3), and two level electrolysis organic matter pond (3) connects one-level electrolysis ammonia nitrogen pond (2), and The percolate rare metal electrode of processing in one-level electrolysis ammonia nitrogen pond (2) will be passed through, be electrolysed and handled through step 2, it is this Electrode plays the role of to suppress organic matter in electrolysis water and the further decomposed liq of guiding；Coarse filter (4), the coarse filter (4) is connected to two level electrolysis organic matter pond (3), and will pass through two level electricity The percolate of processing filters the inorganic sediments such as a small amount of heavy metal by coarse filtration in Xie Youjizhichi (3)；Nanofiltration pond (5), the nanofiltration pond (5) is connected to the coarse filter (4), and will pass through in the coarse filter (4) and handle Percolate the fraction organic matter that is remained in liquid and the inorganic matter to suspend are filtered out by nanofiltration, reach the mesh up to standard being discharged into 's.
- 3. garbage percolation liquid treating system as claimed in claim 2, it is characterised in that the electrochemical oxidation pond (1), one-level Motor power is respectively equipped with electrolysis ammonia nitrogen pond (2), two level electrolysis organic matter pond (3), coarse filter (4) and nanofiltration pond (5).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133442A (en) * | 2018-09-26 | 2019-01-04 | 上海力脉环保设备有限公司 | It is drained outside a kind of pair of breeding wastewater and propose the improved system of mark and its process |
| CN110040887A (en) * | 2019-05-10 | 2019-07-23 | 四川省科源工程技术测试中心 | A kind of organic liquid waste processing method and processing device |
| CN110204017A (en) * | 2019-05-16 | 2019-09-06 | 浙江浙能技术研究院有限公司 | A kind of electrolytic treatment system and method adjusting ammonia-containing water pH value |
| CN113024001A (en) * | 2021-03-11 | 2021-06-25 | 浙江大学 | Electrochemical-based sequencing batch leachate integrated decarbonization and denitrification device and method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133442A (en) * | 2018-09-26 | 2019-01-04 | 上海力脉环保设备有限公司 | It is drained outside a kind of pair of breeding wastewater and propose the improved system of mark and its process |
| CN110040887A (en) * | 2019-05-10 | 2019-07-23 | 四川省科源工程技术测试中心 | A kind of organic liquid waste processing method and processing device |
| CN110204017A (en) * | 2019-05-16 | 2019-09-06 | 浙江浙能技术研究院有限公司 | A kind of electrolytic treatment system and method adjusting ammonia-containing water pH value |
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| CN113024001A (en) * | 2021-03-11 | 2021-06-25 | 浙江大学 | Electrochemical-based sequencing batch leachate integrated decarbonization and denitrification device and method thereof |
| CN113024001B (en) * | 2021-03-11 | 2024-01-23 | 浙江大学 | Sequencing batch leachate integrated carbon and nitrogen removal device and method based on electrochemistry |
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