CN106348499B - A kind of processing method of landfill leachate concentration liquid - Google Patents

A kind of processing method of landfill leachate concentration liquid Download PDF

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Publication number
CN106348499B
CN106348499B CN201610948814.7A CN201610948814A CN106348499B CN 106348499 B CN106348499 B CN 106348499B CN 201610948814 A CN201610948814 A CN 201610948814A CN 106348499 B CN106348499 B CN 106348499B
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landfill leachate
oxidation
processing
concentration liquid
catalyst
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CN106348499A (en
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成一波
李刚
毛兵
南臻
傅峰
陈磊
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Zhejiang Qicai Eco Technology Co Ltd
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Zhejiang Qicai Eco Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water, or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens

Abstract

The invention discloses a kind of processing methods of landfill leachate concentration liquid, comprising: (1) landfill leachate concentration liquid is added to the electrocatalysis oxidation apparatus that catalyst A is housed, carry out electrocatalytic oxidation, 1~6h of reaction obtains treatment fluid I；(2) pH value for the treatment of fluid I is adjusted to 10~11, oxidant is added, stands 10~60min, filtering after oxidation-coagulation reaction, obtains treatment fluid II；(3) pH value for the treatment of fluid II is adjusted to 7~8, with mass space velocity for 0.5~3h‑1Flow through solid catalyst bed reactor, Chinese effluent.COD, total nitrogen, coloration and the heavy metal ion in concentrate can be effectively removed, easy to operate, processing cost is low.

Description

A kind of processing method of landfill leachate concentration liquid
Technical field
The present invention relates to landfill leachate treatment field more particularly to a kind of processing methods of landfill leachate concentration liquid.
Background technique
With the growth of population, the raising of industry and Level of Urban Modernization, domestic waste and industrial solid are discarded The yield of object all rapidly increases.The processing of solid waste is directly related with environment, economy, social concern.Solid at present The processing method of waste generally has sanitary landfills, burning, compost, recycling and reusing etc., the municipal refuse in 80% or more China All apply sanitary landfill method.Although this method good economy performance can generate a large amount of landfill leachate, locate if inappropriate Reason, will cause serious environmental pollution.The processing method of common landfill leachate has biotechnology (anaerobism, aerobic etc.), object Change technology (flocculation, precipitating, oxidation, absorption, stripping, film process etc.) and land law (mainly including recharge, artificial swamp).
With the execution of " household refuse landfill sites contamination control " (GB16889-2008), more and more landfill leachates Processing increases subsequent nanofiltration membrane or reverse osmosis membrane processing unit facility, resulting garbage loading embeading percolation liquid concentrate Processing more and more attention has been paid to.Common landfill leachate concentration liquid processing technique has following several:
(1) recharge landfill heap body or reflux conditioning tank
This technique is concentrate to be flowed back into front end conditioning tank to reenter processing system, or be poured into landfill by back of pipeline In heap body.The advantages of recharge is good economy performance, maximum the disadvantage is that long-term a large amount of recharges will lead to the B/C ratio of landfill leachate Decline, is unfavorable for biochemistry；
(2) mechanical compression evaporation MVC treatment process handles concentrate using evaporation treatment process, can be by the pollution in water body Object solidification.The disadvantage is that generating exhaust gas and dangerous waste；
(3) advanced oxidation
Advanced oxidation processes can generate the hydroxyl radical free radical (HO) with extremely strong oxidisability, it is considered to be a kind of preferable The processing method of hardly degraded organic substance.Advantage is efficiently thoroughly, not generate secondary pollution, but existing single advanced oxidation Monotechnics processing cost is high, it is difficult to reach first discharge standard；
(4) activated carbon adsorption treatment process: adsorption effect of the active carbon to hardly degraded organic substance in concentrate in the technique The size of organic molecule and the matching effect of activated carbon pore size can be controlled by；
(5) composite resin: for existing hydrophobic grouping in hardly degraded organic substance molecule in concentrate, and have more hydrophilic The characteristic of group, can by macroreticular resin, hypercrosslinked polymeric resin surface-modification chemistries group formed have suction-operated with from The New-type bifunctional resin of sub- exchange interaction.The disadvantage is that resin regeneration is difficult.
Summary of the invention
The present invention provides a kind of landfill leachate concentration liquid processing method, by electrocatalytic oxidation, oxidation-coagulation, Low temperature wet type oxidation coupling can effectively remove COD, total nitrogen, coloration and heavy metal ion in concentrate, easy to operate, processing It is at low cost.
A kind of processing method of landfill leachate concentration liquid, comprising:
(1) landfill leachate concentration liquid is added to the electrocatalysis oxidation apparatus that catalyst A is housed, carries out electrocatalytic oxidation, 1~6h of reaction obtains treatment fluid I；
The catalyst A is active constituent Pd, Ni, Cu, Fe using active carbon particle as the loaded catalyst of carrier At least one of simple substance and its oxide；
(2) pH value for the treatment of fluid I is adjusted to 10~11, oxidant is added, stand 10 after oxidation-coagulation reaction~ 60min, filtering obtain treatment fluid II；
(3) pH value for the treatment of fluid II is adjusted to 7~8, with mass space velocity for 0.5~3h-1Flow through solid catalyst bed Reactor, Chinese effluent；
Solid catalyst bed reactor is provided with catalyst B, and catalyst B is that the support type that active carbon particle is carrier is urged Agent, at least one of oxide or sulfide of active constituent Pd, Ni, Au, Cu, Fe, Mn.
It is of the invention the organic matter in concentrate degrade by electrocatalytic oxidation and counterweight metallo-organic complex Contact break conjunction is carried out, most of total nitrogen and COD in concentrate are removed；It acts on using oxidation-coagulation, further removes in concentrate COD and heavy metal ion；Then COD, total nitrogen and coloration in concentrate, electro-catalysis are removed by low temperature wet type oxidation depth Oxidation, oxidation-coagulation, low temperature wet oxidation mutually act synergistically, and lack a requirement that cannot all make concentrate reach direct emission.
Heavy metal ion and content of organics in landfill leachate concentration liquid is higher, preferably, processing of the invention Method further includes flocculation pretreatment: the pH value of landfill leachate concentration liquid being adjusted to 10~11, flocculant flocculation is added, stands It is filtered after 10~60min, step (1) is executed to filtrate；
The flocculant is PAM (polyacrylamide), PAC (aluminium polychloride), FeCl3、FeSO4, PFS (polyaluminum sulfate At least one of iron).
By the pH value of adjusting concentrate to alkalinity, major part heavy metal ion therein forms precipitating, goes out after filtering It goes.
When in use, flocculant being configured to solution, it is preferred that PAM concentration is 1~2g/L, and PAC concentration is 2~7g/L, FeCl3Concentration is 5~15%, FeSO4Concentration is that 5~15%, PFS concentration is 5~20%；
The dosage of flocculant to the pH value of system there is certain influence, with the increase of flocculant dosage, Flocculating effect gradually increases, but its flocculating effect keeps dynamic equilibrium substantially when flocculant dosage reaches a certain level, as It is preferred that the dosage of flocculant is 0.05~2% on the basis of the quality of landfill leachate concentration liquid.
Electrocatalytic oxidation is carried out to concentrate after the heavy metal ion of part in preprocessed removal concentrate.
Catalyst A be influence electrocatalytic oxidation property an important factor for, preferably, the active constituent of catalyst A be Pd, Ni bimetallic or Pd, Ni bimetallic oxide.Pd, Ni or its oxide catalytic activity with higher, and its electrochemistry is steady It is qualitative preferably, be resistant to the effect of impurity and electrochemical reaction and will not poisoning and deactivation quickly.
During electrocatalytic oxidation, tank voltage is the driving force of cell reaction, within the scope of suitable tank voltage, concentration The COD of liquid, coloration have preferable removal effect, preferably, the tank voltage of electrocatalytic oxidation is 6~12V, electric current 0.3 ~1A.The effect of Electro-catalytic Oxidation Process increases with the increase of tank voltage, but when tank voltage is excessively high, is easy to cause big The generation of side reaction is measured, then to increase voltage little to the influential effect of Electro-catalytic Oxidation Process.
Electrocatalytic oxidation can remove part COD and most of total nitrogen in concentrate, and can make heavy metal ion with it is organic The complex compound contact break of object is closed, and heavy metal ion separate out is made, and forms precipitating under alkaline condition, then pass through subsequent oxidation- Coagulating further removes.
In the oxidation-coagulation reaction of step (2), preferably, it is 5~10% that the oxidant, which is effective chlorine density, Liquor natrii hypochloritis, the dosage of liquor natrii hypochloritis is the 1~10% for the treatment of fluid I mass.
Preferably, control sodium hypochlorite adds rate, make oxidation-reduction potential ORP value 180 in system~ 360V stirs 20~60min.
Oxidation-coagulation effect further removes the COD in concentrate, and heavy metal ion is in alkaline condition flocculation sedimentation, mistake Elimination removes, and carries out subsequent catalytic wet oxidation to filtrate, carries out at depth degradation to COD, total nitrogen and the coloration in concentrate Reason.
Filtrate carries out low temperature wet oxidation under the action of catalyst B, the organic contamination in concentrate of further degrading Object, depth remove COD, total nitrogen and coloration therein.
Preferably, the mass space velocity that treatment fluid II flows through solid catalyst bed reactor is 0.5~3h-1, solid urges Agent bed reactor temperature is 30~55 DEG C.
Preferably, the active constituent of catalyst B is at least one of oxide or sulfide of Cu, Fe, Mn.
Preferably, in step (3), hydrogen peroxide is added after the pH value for the treatment of fluid II is adjusted to 7~8, stand 10~ 60min, control system pH value are 7~8, pass through solid catalyst bed reactor.
Preferably, the dosage of control hydrogen peroxide, makes H in system2O2Mass percent be 0.1~5%.
Sodium hypochlorite is combined with hydrogen peroxide carries out catalysis oxidation, can not only improve the degradation efficiency of low temperature wet oxidation, also Processing cost can be reduced.
Compared with prior art, the invention has the benefit that
(1) of the invention that the organic matter in concentrate degrade and to heavy metal organic complex by electrocatalytic oxidation Object carries out contact break conjunction, removes most of total nitrogen and COD in concentrate；It is acted on using oxidation-coagulation, further removes concentrate In COD and heavy metal ion；Then COD, total nitrogen and coloration in concentrate are removed by low temperature wet type oxidation depth, electricity is urged Change oxidation, oxidation-coagulation and low temperature wet oxidation mutually to act synergistically, keeps processing water outlet colorless and transparent, COD and total nitrogen reach row Requirement is put, and concentration of metal ions is lower than refuse landfill sewage first discharge standard, it can be with direct emission；
(2) processing method of the present invention is easy to operate, and sodium hypochlorite is less expensive with hydrogen peroxide, and processing cost is lower.
Detailed description of the invention
Fig. 1 is the flow diagram for the processing method that liquid is concentrated in landfill leachate of the present invention.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawings and examples, it should be pointed out that reality as described below It applies example to be intended to convenient for the understanding of the present invention, and does not play any restriction effect to it.
Process flow chart of the invention is as shown in Figure 1.
Embodiment 1
Liquid, COD=2795mg/L, total nitrogen=1140mg/L, pH=6.5, Cl is concentrated in certain landfill leachate-Concentration= 5198.75mg/L NO3 -Concentration=4291mg/L, SO4 2-Concentration=3287mg/L, total chromium concn=11.24mg/L, total Ni concentration =10mg/L, total Cd concentration=4.63mg/L, total concentration of iron=188.4mg/L, Mn concentration=14.33mg/L, Na+Concentration= 7200mg/L, K+Concentration=5100mg/L.
(1) use mass fraction for 30% NaOH solution adjust landfill leachate be concentrated liquid pH value to 10~11, add Enter the flocculant PAM solution of 1g/L, the dosage of PAM is that landfill leachate is concentrated the 0.05% of liquid quality, is taken out after standing 30min Filter；
(2) electrocatalysis oxidation reaction device is added in filtrate, the active carbon loaded using Ni and Pd is catalyst, electrocatalytic oxidation Change 2h, tank voltage U=9.5V, electric current I=0.63A；
(3) mass fraction is used to adjust the pH value of electrocatalytic oxidation water outlet to 10~11 for 30% NaOH solution.It adds The liquor natrii hypochloritis that effective chlorine is 10%, on the basis of the quality of electrocatalytic oxidation water outlet, the dosage of liquor natrii hypochloritis It is 3%, control sodium hypochlorite adds rate, stablizes the oxidation-reduction potential ORP value of system in 180~360mV, stirring 30min is stood after 30min, is filtered；
(4) pH value of filtrate is adjusted to 7~8 using the concentrated sulfuric acid of 1+1, then by filtrate with mass space velocity is 1.5h-1It flows through Solid catalyst bed reactor keeps 50 DEG C of constant temperature of reaction；
Catalyst in solid catalyst bed reactor is using active carbon particle as carrier, with Fe, Cu, Ni and its oxide Or sulfide is active constituent.
It is 84.2mg/L that final process, which is discharged COD, and total nitrogen 37mg/L, colorless and transparent, pH is 7~8, and total metal ion reaches To city refuse landfill sewage discharge first discharge standard.
Embodiment 2
Compared with Example 1, lack the pretreatment of step (1), other operating conditions are identical.
It is 95mg/L that final process, which is discharged COD, and total nitrogen 42mg/L, colorless and transparent, pH is 7~8, and total metal ion reaches City refuse landfill sewage discharge first discharge standard.
Embodiment 3
Compared with Example 1, difference is in step (2), tank voltage 10.5V.
It is 73.6mg/L that final process, which is discharged COD, and total nitrogen 35mg/L, colorless and transparent, pH is 7~8, and total metal ion reaches To city refuse landfill sewage discharge first discharge standard.
Embodiment 4
Compared with Example 1, difference is in step (4), after adjusting pH value is 7~8, adds hydrogen peroxide, total with system On the basis of quality, system H2O2Amount is 1%.
It is 75.2mg/L that final process, which is discharged COD, and total nitrogen 34mg/L, colorless and transparent, pH is 7~8, and total metal ion reaches To city refuse landfill sewage discharge first discharge standard.
Comparative example 1
Compared with Example 1, lack step (2).
It is 982mg/L that final process, which is discharged COD, and total nitrogen 431mg/L, pH are 7~8, and total metal ion is excessively high, is not achieved City refuse landfill sewage discharge first discharge standard, is unable to direct emission.
Comparative example 2
Compared with Example 1, lack step (3).
It is 695mg/L that final process, which is discharged COD, and total nitrogen 276mg/L, pH are 7~8, and total metal ion is excessively high, is not achieved City refuse landfill sewage discharge first discharge standard, is unable to direct emission.
Comparative example 3
Compared with Example 1, lack step (4).
It is 833mg/L that final process, which is discharged COD, and total nitrogen 289mg/L, pH are 7~8, and total metal ion is excessively high, is not achieved City refuse landfill sewage discharge first discharge standard, is unable to direct emission.
It is electrocatalytic oxidation, oxidation-coagulation, low by embodiment 1, comparative example 1,2,3 it is found that in processing method of the invention Warm wet oxidation mutually acts synergistically, and three is indispensable.
Embodiment 5
Liquid, COD=3675mg/L, total nitrogen=956mg/L, pH=7.6, Cl is concentrated in certain landfill leachate-Concentration= 4325mg/L, NO3 -Concentration=2237mg/L, 8O4 2-Concentration=2895mg/L, total chromium concn=13.48mg/L, total Ni concentration= 9.6mg/L, total Cd concentration=5.21mg/L, total concentration of iron=142mg/L, Mn concentration=14.3mg/L, Na+Concentration= 5420mg/L, K+Concentration=4329mg/L.
(1) use mass fraction for 30% NaOH solution adjust landfill leachate be concentrated liquid pH value to 10~11, add Enter the flocculant PFS solution that mass fraction is 5%, the dosage of PFS is that landfill leachate is concentrated the 0.05% of liquid quality, is stood It is filtered after 30min；
(2) electrocatalysis oxidation reaction device is added in filtrate, is catalysis with Ni and Pd metal oxide supported active carbon Agent, electrocatalytic oxidation 1h, tank voltage U=9.5V, electric current I=0.61A；
(3) use mass fraction for 30% NaOH solution adjust electrocatalytic oxidation water outlet pH value to 10~11, add The liquor natrii hypochloritis that effective chlorine is 10%, on the basis of the quality of electrocatalytic oxidation water outlet, the dosage of liquor natrii hypochloritis It is 5%, control sodium hypochlorite adds rate, stablizes the oxidation-reduction potential ORP value of system in 180~360mV, stirring 30min is stood after 30min, is filtered；
(4) using the pH value of the concentrated sulfuric acid adjusting filtrate of 1+1 to 7~8, hydrogen peroxide is added, on the basis of system gross mass, System H2O2Amount is 1%, then by filtrate with mass space velocity is 2h-1Solid catalyst bed reactor is flowed through, reaction constant temperature is kept 55℃；
Catalyst in solid catalyst bed reactor is using active carbon particle as carrier, with Fe, Cu, Ni and its oxide Or sulfide is active constituent.
It is 152mg/L that final process, which is discharged COD, and total nitrogen 78mg/L, colorless and transparent, pH is 7~8, and total metal ion reaches To city refuse landfill sewage discharge first discharge standard.

Claims (7)

1. a kind of processing method of landfill leachate concentration liquid characterized by comprising
(1) landfill leachate concentration liquid is added to the electrocatalysis oxidation apparatus that catalyst A is housed, carries out electrocatalytic oxidation, reaction 1 ~ 6h obtains treatment fluid I；
The catalyst A is using active carbon particle as the loaded catalyst of carrier, with the bis- gold of Pd, Ni bimetallic or Pd, Ni Category oxide is active constituent；
(2) pH value for the treatment of fluid I is adjusted to 10 ~ 11, oxidant is added, stands 10 ~ 60min, mistake after oxidation-coagulation reaction Filter, obtains treatment fluid II；The oxidant is the liquor natrii hypochloritis that effective chlorine density is 5 ~ 10%, the throwing of liquor natrii hypochloritis Dosage is the 1 ~ 10% of I mass for the treatment of fluid；
(3) hydrogen peroxide is added after the pH value for the treatment of fluid II being adjusted to 7 ~ 8, stands 10 ~ 60min, control system pH value is 7 ~ 8, Again with mass space velocity for 0.5 ~ 3h-1Flow through solid catalyst bed reactor, Chinese effluent；
Solid catalyst bed reactor is provided with catalyst B, and catalyst B is the supported catalyst that active carbon particle is carrier Agent, at least one of oxide or sulfide of active constituent Pd, Ni, Au, Cu, Fe, Mn.
2. the processing method of landfill leachate concentration liquid according to claim 1, which is characterized in that further include pre- place of flocculating Reason: the pH value of landfill leachate concentration liquid is adjusted to 10 ~ 11, flocculant flocculation is added, is filtered after standing 10 ~ 60min, to filter Liquid executes step (1)；
The flocculant is PAM, PAC, FeCl3、FeSO4, at least one of PFS.
3. the processing method of landfill leachate concentration liquid according to claim 1, which is characterized in that in step (1), electricity is urged The tank voltage for changing oxidation is 6 ~ 12V, and electric current is 0.3 ~ 1A.
4. the processing method of landfill leachate concentration liquid according to claim 1, which is characterized in that control sodium hypochlorite Rate is added, oxidation-reduction potential 180 ~ 360V of ORP value in system is made, stirs 20 ~ 60min.
5. the processing method of landfill leachate concentration liquid according to claim 1, which is characterized in that control the throwing of hydrogen peroxide Dosage makes H in system2O2Mass percent be 0.1 ~ 5%.
6. the processing method of landfill leachate concentration liquid according to claim 1, which is characterized in that treatment fluid II flows through solid The mass space velocity of body catalyst bed reactor is 0.5 ~ 3h-1, solid catalyst bed temperature of reactor is 30 ~ 55 DEG C.
7. the processing method of landfill leachate concentration liquid according to claim 1, which is characterized in that the activity of catalyst B Ingredient is at least one of oxide or sulfide of Cu, Fe, Mn.
CN201610948814.7A 2016-10-26 2016-10-26 A kind of processing method of landfill leachate concentration liquid Active CN106348499B (en)

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CN107098513B (en) * 2017-04-28 2021-01-01 浙江奇彩环境科技股份有限公司 Method for treating high-concentration morpholine wastewater
CN107935300B (en) * 2017-11-22 2020-03-06 沈阳艾柏瑞环境科技有限公司 Process device and method for treating landfill leachate by non-membrane method
CN107902745B (en) * 2017-11-30 2021-08-17 浙江奇彩环境科技股份有限公司 Treatment method of landfill leachate concentrated water
CN108503074A (en) * 2018-03-21 2018-09-07 南京首帆环保科技有限公司 A kind of processing method of refuse transfer station percolate
CN111320316A (en) * 2020-03-13 2020-06-23 北京洁绿环境科技股份有限公司 Landfill leachate membrane concentrated solution treatment method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6576144B1 (en) * 2001-07-12 2003-06-10 Mpr Services, Inc. Method and apparatus for pretreatment of wastewater streams by chemical oxidation
CN1927745A (en) * 2006-09-15 2007-03-14 江苏工业学院 Process for treating waste water of refined terephthalic acid
CN101434443A (en) * 2007-11-15 2009-05-20 中国石油化工股份有限公司 Method and apparatus for treating oil refining sewerage
CN104478157A (en) * 2014-11-13 2015-04-01 嘉园环保有限公司 Landfill leachate nanofiltration concentrate treatment method
CN105271608A (en) * 2014-11-14 2016-01-27 南京万德斯环保科技有限公司 Deep processing method for landfill leachate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6576144B1 (en) * 2001-07-12 2003-06-10 Mpr Services, Inc. Method and apparatus for pretreatment of wastewater streams by chemical oxidation
CN1927745A (en) * 2006-09-15 2007-03-14 江苏工业学院 Process for treating waste water of refined terephthalic acid
CN101434443A (en) * 2007-11-15 2009-05-20 中国石油化工股份有限公司 Method and apparatus for treating oil refining sewerage
CN104478157A (en) * 2014-11-13 2015-04-01 嘉园环保有限公司 Landfill leachate nanofiltration concentrate treatment method
CN105271608A (en) * 2014-11-14 2016-01-27 南京万德斯环保科技有限公司 Deep processing method for landfill leachate

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