CN109879512A - Method for treating garbage percolation liquid based on ceramic membrane - Google Patents
Method for treating garbage percolation liquid based on ceramic membrane Download PDFInfo
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Abstract
The present invention provides a kind of method for treating garbage percolation liquid based on ceramic membrane, medicament is first added into landfill leachate in the first reaction tank to be reacted, and magnetized water or dispersing agent are added simultaneously, controlling the pH value reacted in the first reaction tank is 10.5-11.2, and the time reacted in the first reaction tank of control is 5min-20min.The water outlet of first reaction tank enters the second reaction tank, and medicament is added into the second reaction tank and carries out deamination reaction, while is aerated to the second reaction tank by aerator so that the ammonia generated in the second reaction tank enters recovery system.The water outlet of second reaction tank is first passed through after ceramic membrane filter carries out reverse osmosis treatment again and is discharged.The concentrated water of reverse osmosis treatment is carried out after advanced oxidation processing again by qualified discharge after the COD degradation of landfill leachate.It replaces traditional flocculant and flocculation aid to carry out water quality modification using magnetized water, changes the lattice arrangement for generating sediment and crystal form, so that flocky precipitate is become tiny loose, avoid causing expendable fouling membrane and blocking to subsequent filter film.
Description
Technical field
The present invention relates to field of garbage disposal more particularly to a kind of method for treating garbage percolation liquid based on ceramic membrane.
Background technique
In China, the processing mode of house refuse is mainly by three kinds, respectively sanitary landfills, burning, compost.Wherein, hygienic
Land-fill method relies on the main method that its simple process, treating capacity are big, lower-cost advantage becomes domestic rubbish disposal, however
Domestic waste generated percolate after by sanitary landfills contains complicated poisonous and harmful element, such as contains height
The organic pollutant of the complicated component of concentration, the nitrogen and phosphorus pollutants of effect of eutrophication and various heavy metal contaminants.These
Poisonous and harmful substance seriously threatens landfill yard periphery by soil, earth's surface, water, air etc. and surrounding enviroment reciprocal effect
Environment and biology health, or even the balance of the ecosystem can be destroyed.
Landfill leachate it is very harmful, it is necessary to handled to reduce harm to ambient enviroment.Rubbish at present
The treatment process of percolate is mainly by percolate after film filtering and the reverse osmosis processing combined, a part of water row up to standard
It puts, and another part concentrate is then by recharge into refuse landfill.But during the filtration process, the sediment of generation will form heavily fortified point
The duct of real dirty layer blocking filter membrane, filter membrane is seriously polluted, and cleaning is frequent.And the recharge of landfill leachate the problem of causing
Also increasingly apparent, the continuous enrichment of COD (COD), ammonia nitrogen, salinity etc. results in the processing of landfill leachate increasingly
Difficulty, so that practical factory's age of refuse landfill is far below design requirement.Existing patent proposes biochemical treatment combination film filterer
The processing method of skill, but its biochemical property of the percolate of factory's age longer refuse landfill generation is very poor, excessive concentration
NH3- N seriously increases the load of biochemical treatment, and heavy metal ion is also inhibited to biotic component activity, therefore directly
Biochemical treatment is difficult, is difficult to obtain ideal effect, and processing equipment capacity of resisting impact load is poor, stability is restricted.
In addition it is proposed that using the technique of Multistage Membranes combined treatment to landfill leachate, but this technique cannot remove rubbish infiltration
Ammonia nitrogen in filtrate.Since ammonia-nitrogen content is very high in landfill leachate, if not removing ammonia nitrogen, it will the production after leading to reverse osmosis treatment
Water and the water finally discharged cannot be up to standard.It is the addition medicament, heavy metal chelating into landfill leachate there are also a kind of mode
Agent etc. can effectively remove heavy metal and ammonia nitrogen in landfill leachate raw water after flocculation sedimentation, but cannot drop to COD
Solution, water quality are difficult qualified discharge.
Summary of the invention
The object of the present invention is to provide a kind of method for treating garbage percolation liquid, solve in conventional garbage percolate treatment process
Fouling membrane is serious, and membrane component cleaning frequency is high；It is difficult to relatively efficiently while removing COD (COD), ammonia nitrogen, salinity
Deng production water difficulty up to standard；Recharge leads to refuse landfill factory age low equal vicious circles problem.
To solve the above problems, the present invention provides a kind of method for treating garbage percolation liquid based on ceramic membrane, including following
Step:
Medicament is added into landfill leachate in the first reaction tank and is reacted, and is added simultaneously for dosing reaction step
Magnetized water or dispersing agent, control the first reaction tank in react pH value be 10.5-11.2, control the first reaction tank in react when
Between be 5min-20min, wherein magnetized water refers to the pure water by magnetization treatment；
Water outlet after reaction is filtered by ceramic membrane filter step by ceramic membrane filter system；
Reverse osmosis step, the water outlet of ceramic membrane filter system, which enters after counter-infiltration system carries out reverse osmosis treatment, discharges.
An embodiment according to the present invention, the method for treating garbage percolation liquid based on ceramic membrane include:
Recovery ammonia step, after the dosing reaction step and before the ceramic membrane filter step, the first reaction
The water outlet in pond enter the second reaction tank, into the second reaction tank be added medicament carry out deamination reaction, while by aerator to
Second reaction tank is aerated so that the ammonia generated in the second reaction tank enters recovery system, and the water outlet of the second reaction tank enters ceramics
Membrane filtration system is filtered.
An embodiment according to the present invention, in the recovery ammonia step, the medicament being added into the second reaction tank is hydrogen-oxygen
Change sodium, the pH value for controlling reaction is 11-12.
An embodiment according to the present invention, the second reaction tank have sealing cover, and sealing cover top is equipped with gas vent, the gas of generation
Body enters recovery system by gas vent, and recovery system is acid recovery system, and recovery system is carried out pair by sulfuric acid or hydrochloric acid
The recycling of ammonia.
An embodiment according to the present invention, recovery system has broken siphoning installation, to prevent suck-back phenomenon.
An embodiment according to the present invention, the method for treating garbage percolation liquid based on ceramic membrane include:
Advanced oxidation step, the concentrated water of counter-infiltration system, which enters after advanced oxidation system carries out oxidative degradation, discharges.
The concentrated water of an embodiment according to the present invention, counter-infiltration system is advanced by entering back into after the progress PH adjusting of PH regulator
Oxidative system, the oxidation technology of advanced oxidation system are one of catalytic ozonation, electrocatalytic oxidation, wet oxidation.
An embodiment according to the present invention, the part of counter-infiltration system produce the part water outlet mixing row of water and advanced oxidation system
It puts.
An embodiment according to the present invention, in the dosing reaction step, the medicament being added into the first reaction tank is stone
One of ash, sodium hydroxide, sodium carbonate, organic sulfur are a variety of, and when reaction is stirred landfill leachate.
The pH value adjustment of the production water of ceramic membrane filter system to 6-7 and is added antisludging agent by an embodiment according to the present invention
The counter-infiltration system is entered back into later.
Compared with prior art, the technical program has the advantage that
The present invention adds while into the first reaction tank, dosing reaction removes most of hardness, basicity ion and COD
Enter magnetized water or dispersing agent to replace traditional flocculant and flocculation aid to carry out water quality modification processing, magnetized water or dispersing agent can be with
Change landfill leachate in generate flocky precipitate lattice arrangement and crystal form so that flocky precipitate become it is tiny it is loose (i.e.
Change the characteristic of sediment), and be not easy to be formed in the tube wall for being adhered to the duct neutralization reaction equipment of filter membrane or reaction tank
Solid dirty layer and result in blockage.Even if sediment is attached on filter membrane or tube wall, in the current scour or temperature of certain speed
Variation under sediment also be easy by remove be discharged.Magnetized water is added or dispersing agent is equivalent to the effect of antisludging agent, realizes softening
Water outlet afterwards can be relieved the load of subsequent ceramic membrane filter, reduce filtering cleaning frequency membrane, cleaning difficulty and maintenance cost, from
And solve the problems, such as that fouling membrane is serious in traditional technology, filtering Membrane cleaning is frequent.
The present invention realizes that water quality thoroughly softens in the second reaction tank, and realizes deamination and part COD by aerator
Oxidation removal, the ammonia of generation be recovered system absorption, can be formed ammonium salt carry out chemical fertilizer manufacture, realize the recycling of ammonia
It utilizes.
Third, the PH scope of application of ceramic membrane are 2-12, therefore the water outlet of the second reaction tank can be with without carrying out that PH adjusts
It is directly entered ceramic membranous system to be filtered, reduces the sour consumption adjusted for PH, and the water inlet SS of ceramic membrane (suspends solid
Body) it can achieve 20g/L, therefore bulky settling pond and sludge concentration tank can be saved using ceramic membrane, reduce
Occupation area of equipment.
The present invention is made by will enter back into counter-infiltration system after the pH value adjustment to 6-7 of the production water of ceramic membrane filter system
The water inlet for obtaining counter-infiltration system is maintained at acidic environment, in addition to preventing counter-infiltration system because carbonate leads to film surface scale formation
Outside, it is ensured that ammonia exists in the form of ammonium ion and is trapped within concentrated water end.
The present invention is by carrying out oxidation drop to COD finally by advanced oxidation system for the concentrated water after reverse osmosis treatment
It is discharged after solution, so far, realizes whole removals of the metal ion to landfill leachate, basicity ion, COD, ammonia nitrogen, salinity.
And landfill leachate, after reverse osmosis treatment, the concentrated water amount into advanced oxidation system greatly reduces, so that advanced oxidation
Equipment volume and investment it is significantly smaller, economy greatly improves.For the safety for guaranteeing system, the water outlet of advanced oxidation system
Qualified discharge after water mixes is produced with the part of counter-infiltration system.
To sum up, the present invention realizes the qualified discharge of landfill leachate, solves recirculation process to refuse landfill
Bring vicious circle problem, the water stabilization of landfill leachate, so that subsequent treatment process is able to maintain stable longtime running,
Avoid because salinity it is continuous accumulation cause counter-infiltration system operating pressure continuously increases so that exceed reverse osmosis treatment ability due to
The phenomenon that causing system crash.It is combined using dosing softening process, ceramic membrane filter technique and advanced oxidation processes three
Mode, especially joined magnetized water or dispersing agent, not only solving solid suspension (SS) and inorganic ions fouling causes
Filter membrane and reverse osmosis membrane need frequent clean problem so that the cleaning frequency extend, improve film process ability, ensure that place
The economy of science and engineering skill；And the whole series operating system anti-shock loading is strong, and occupied area is small, stable.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for treating garbage percolation liquid provided by the invention based on ceramic membrane.
Specific embodiment
It is described below and is served only for disclosing the present invention so that those skilled in the art can implement the present invention.In being described below
Embodiment be only used as illustrating, it may occur to persons skilled in the art that other obvious are deformed.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and other do not carry on the back
Other schemes from spirit and scope of the invention.
The present invention provides a kind of method for treating garbage percolation liquid based on ceramic membrane, the garbage filter based on ceramic membrane
Liquid processing method includes dosing reaction step, ceramic membrane filter step and reverse osmosis step.
In dosing reaction step, landfill leachate enters in the first reaction tank 1, seeps in the first reaction tank 1 to rubbish
Filtrate is added medicament 8 and is reacted, and magnetized water 9 or dispersing agent 9 are added simultaneously.Optionally, the first reaction tank 1 is stirred using machinery
Mix the filter tank that clarifying basin or high dense settling pond etc. have coagulating sedimentation clarification function.Wherein high dense settling pond refers to a kind of high
Sludge condensation clarifying basin is imitated, using sludge circulation and tube settling, surface loading can reach 6-10gpm/ft2(14.5-24m3/
m2h).First reaction tank 1 includes chemicals dosing plant, agitating device and settler.The medicine being wherein added into the first reaction tank 1
Agent 8 is one of lime, sodium hydroxide, sodium carbonate, organic sulfur or a variety of.During the reaction, it controls in the first reaction tank 1
The pH value of reaction is 10.5-11.2, and the time for controlling the reaction of the first reaction tank 1 is 5min-20min, so that landfill leachate
In heavy metal, most of hardness ions, basicity ion and part COD removal.
Wherein magnetized water 9 refers to the pure water by magnetization treatment, is also EWT electronic water.EWT electronic water is to pass through electronic water
Handle the aqueous solution of (EWT, Electric-magnetic Water Treatment) technical treatment.In addition to moisture in magnetized water
Other than son, other organic and inorganic constituents are not contained.Electronics water process (EWT) technology was grown up after the 1970s
Novel water treatment technology, succeeded in developing earliest by American National aviation Space Agency.Electronics water treatment technology can be widely used in
The water supply of industrial and civilian hot water or cold water's circulatory system is handled, and has good antiscaling, descaling, sterilization algae removal and inhibition anti-corrosion
The effect of, preferable energy-saving and water-saving can be played the role of.Oxidation-reduction potential (ORP) range of EWT electronic water are as follows:
- 300mv≤ORP≤- 1000mv, and pH value >=13 of EWT electronic water.Wherein ORP is as medium (including soil
Earth, natural water, culture medium etc.) environmental condition a composite target, it characterizes the opposite journey of medium oxidizing property or reproducibility
Degree, unit are mv (millivolt).
In dosing reaction step, magnetized water or dispersing agent is added to replace traditional flocculant and flocculation aid to carry out water quality
Modification, magnetized water or dispersing agent can change the lattice arrangement that flocky precipitate is generated in landfill leachate and crystal form, make
Obtaining flocky precipitate becomes tiny loose (characteristic for changing sediment), and is not easy to be adhered to the duct of subsequent filter membrane
Solid dirty layer is formed in the tube wall of neutralization reaction equipment or reaction tank and is resulted in blockage.Even if sediment is attached to filter membrane or pipe
On wall, sediment is also easy to be removed to be discharged under the current scour of certain speed or the variation of temperature.Magnetized water is added or divides
Powder is equivalent to the effect of antisludging agent, and the water outlet after realizing softening can be relieved the load of subsequent ceramic membrane filter, reduces filter membrane
Cleaning frequency, cleaning difficulty and maintenance cost, to solve in traditional technology, fouling membrane is serious, filtering Membrane cleaning is frequent
Problem.
In addition, in dosing reaction step, when reaction, is stirred landfill leachate.For example, passing through agitating device pair
Landfill leachate in first reaction tank 1 is stirred.In another example so that landfill leachate forms whirlpool in the first reaction tank
Stream, to realize the stirring to landfill leachate.It can accelerate the progress of reaction in this way, so that reaction is more uniform.
After landfill leachate and medicament 8 in first reaction tank 1 react, the sediment of generation is precipitated, control is heavy
The shallow lake time is 1h-2h, and the first reaction tank 1 is discharged by sludge drainage system 7 in sediment, and the time of spoil disposal is true according to practical water quality situation
It is fixed.
Further, the method for treating garbage percolation liquid based on ceramic membrane includes recovery ammonia step.Recovery ammonia step
After the dosing reaction step and before the ceramic membrane filter step.In recovery ammonia step, the first reaction tank 1
Water outlet enters the second reaction tank 2, and medicament 10 is added into the second reaction tank 2 and carries out deamination reaction.Specifically, the second reaction tank 2
Including chemicals dosing plant, aerator 11 and deamination apparatus.In the application, the second reaction tank 2 uses top to have three phase separation
Device or other structures with gas-liquid-solid separating effect.The medicament 10 being added into the second reaction tank 2 is sodium hydroxide.Control is de-
The pH value of ammonia reaction is 11-12, while is aerated to the second reaction tank 2 by aerator 11 so that generating in the second reaction tank 2
Ammonia enter recovery system 3.Second reaction tank 2 has sealing cover, and the sealing cover top of the second reaction tank 2 is equipped with gas vent,
The gas that 11 stripping of aerator generates, so that the ammonia generated enters recovery system 3 by the exhaust hole path on sealing cover.
Recovery system 3 is acid recovery system, and recovery system 3 carries out the recycling to ammonia by sulfuric acid 12 or hydrochloric acid 12.Preferably, it returns
Receipts system 3 recycles ammonia using sulfuric acid, and sulfuric acid and ammonia reaction generate ammonium sulfate, and ammonium sulfate being fabricated to
Fertilizer.According to HCl recovery ammonia, then generation ammonium chloride solution is reacted, chemical fertilizer can also be made.It is noted that being aerated
Journey also produces partial oxidation effect to COD other than having the function of stripping ammonia.In addition, recovery system 3 has broken siphon
Device, to prevent from generating suck-back phenomenon in system-down process.Sediment in second reaction tank 2 is discharged by sludge drainage system 7.
By the first reaction tank 1, the second reaction tank 2 and recovery system 3 treated landfill leachate, hardness from
Son, basicity ion, COD, ammonia nitrogen all obtain a degree of removal.In ceramic membrane filter step, the water outlet of the second reaction tank 2
It is filtered into ceramic membrane filter system 4.Optionally, ceramic membrane filter system 4 can be selected earthenware slab ultrafiltration membrane and carry out
Filter.Before filtration and in the maintenance process of ceramic membranous system, can backwash and dosing cleaning by way of to pottery
Porcelain film is rinsed.
After filtering, by the pH value adjustment of the production water of ceramic membrane filter system 4 to 6-7 and add after antisludging agent 14 again into
Enter counter-infiltration system 5.Specifically, by adding PH regulator 13 such as hydrochloric acid or sodium hydroxide to 4 mistake of ceramic membrane filter system
Production water after filter carries out PH adjusting, so that the water inlet of subsequent counter-infiltration system 5 is maintained at acidic environment, reduces counter-infiltration system
5 film surface structure pollution, while guaranteeing that ammonia with the presence of ammonium ion state, guarantees that the production water 15 of subsequent counter-infiltration system 5 can be up to standard
Discharge.When the SS (suspended solid) in the membrane cisterna of ceramic membrane filter system 4 reaches 20g/L, ceramic membrane interception after filtering
Sediment is discharged by sludge drainage system 7.
In reverse osmosis step, the water outlet of ceramic membrane filter system 4 enters counter-infiltration system 5 and carries out reverse osmosis treatment heel row
It puts.The resistant to pollution reverse osmosis equipment such as DT-RO, ST-RO can be selected in counter-infiltration system 5.
Further, the method for treating garbage percolation liquid based on ceramic membrane includes advanced oxidation step.In advanced oxygen
Change step, the concentrated water of counter-infiltration system 5, which enters after advanced oxidation system 6 carries out oxidative degradation, discharges.Specifically, reverse osmosis
The concentrated water of system 5 enters back into advanced oxidation system 6 after carrying out PH adjusting by PH regulator 13, guarantees subsequent advanced oxidation system
The efficient progress of system 6.After the concentrated water of counter-infiltration system 5 enters advanced oxidation system 6, suitable PH range is controlled to garbage filter
COD in liquid carries out oxidative degradation.Wherein advanced oxidation is by generating hydroxyl radical free radical come to cannot be general in sewage
Lead to the process that oxidizing pollutant carries out oxidative degradation.The oxidation technology of advanced oxidation system 5 be catalytic ozonation,
One of electrocatalytic oxidation, wet oxidation, preferably wet-type oxidation technology.It is handled by advanced oxidation degradation, garbage filter
The COD of liquid is removed substantially.For the safety of system, the part that counter-infiltration system 5 is discharged produces water 17 and advanced oxidation system
The water outlet 16 of system 6 is discharged after mixing.
To sum up, the first reaction tank 1 of the invention by dosing coprecipitation mode go removing heavy metals, most of hardness from
Son, basicity ion and part COD, the addition of magnetized water 9 or dispersing agent 9 added instead of flocculant and flocculation aid accelerate
Reaction rate reduces occupation area of equipment, and avoid subsequent ceramic membranous system 4 causes to pollute because of flocculant remnants.
Second reaction tank 2 realizes deamination process by aeration by adding alkali (sodium hydroxide) to realize that water quality thoroughly softens
And the oxidation removal of part COD, the ammonia of generation are absorbed by the acid in recovery system 3, formed ammonium sulfate or ammonium chloride into
The manufacture of row chemical fertilizer, realizes the resource utilization of ammonia.
Since the PH scope of application of ceramic membrane is 2-12, the water outlet of the second reaction tank 2 can be with without carrying out that PH adjusts
Film filtering is directly carried out, the sour consumption adjusted for PH is reduced.And the filtered water inlet SS (suspended solid) of ceramic membrane can reach
To 20g/L, settling pond and sludge concentration tank can be saved, to reduce occupation area of equipment.
The water inlet of counter-infiltration system 5 is maintained at acidic environment in addition to preventing counter-infiltration system 5 because carbonate leads to film surface
Outside scale formation, it ensure that ammonia has in the form of ammonium ion and be trapped within the concentrated water end of counter-infiltration system 5.In this way, rubbish
After reverse osmosis treatment, the concentrated water amount into advanced oxidation system 6 greatly reduces rubbish percolate, so that advanced oxidation system 6
Equipment volume and investment it is significantly smaller, economy greatly improves.For the safety for guaranteeing system, advanced oxidation system 6 goes out
Water produces qualified discharge after water mixes with the part of counter-infiltration system 5.The qualified discharge of landfill leachate, solve recirculation process to
Garbage loading embeading factory bring vicious circle problem.
The present invention is handled by the way of combining using water demineralization, membranous system filtering, reverse osmosis treatment and advanced oxidation,
Operating system anti-shock loading is strong, and occupied area is small, the qualified discharge of landfill leachate not only may be implemented, but also guarantee system
Stability.Using its water stabilization of method of the invention treated landfill leachate, subsequent treatment process is protected
It keeps steady and determines longtime running, the operating pressure for avoiding counter-infiltration system caused by the continuous accumulation because of salinity, which continuously increases, to be caused to exceed
Reverse osmosis treatment ability and the phenomenon that cause system crash.The present invention uses first first to be softened landfill leachate passes through pottery again
The technique of porcelain film filtering solves counter-infiltration system caused by SS (suspended solid) and inorganic ions structure and needs frequent clean, clear
It washes the period and prolongs longer problem, improve reverse osmosis processing capacity, ensure that the economy for the treatment of process.
It will be appreciated by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as lifting
Example, is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structure principle of the invention exists
In embodiment show and illustrate, without departing from the principle, embodiments of the present invention can have it is any deformation and
Modification.
Claims (10)
1. a kind of method for treating garbage percolation liquid based on ceramic membrane, which comprises the following steps:
Medicament is added into landfill leachate in the first reaction tank and is reacted, and magnetization is added simultaneously for dosing reaction step
Water or dispersing agent, control the first reaction tank in react pH value be 10.5-11.2, control the first reaction tank in react time be
5min-20min, wherein magnetized water refers to the pure water by magnetization treatment；
Water outlet after reaction is filtered by ceramic membrane filter step by ceramic membrane filter system；
Reverse osmosis step, the water outlet of the ceramic membrane filter system, which enters after counter-infiltration system carries out reverse osmosis treatment, discharges.
2. the method for treating garbage percolation liquid according to claim 1 based on ceramic membrane, which is characterized in that described based on pottery
The method for treating garbage percolation liquid of porcelain film includes:
Recovery ammonia step, after the dosing reaction step and before the ceramic membrane filter step, first reaction
The water outlet in pond enter the second reaction tank, into the second reaction tank be added medicament carry out deamination reaction, while by aerator to
Second reaction tank is aerated so that the ammonia generated in second reaction tank enters recovery system, second reaction tank
Water outlet is filtered into the ceramic membrane filter system.
3. the method for treating garbage percolation liquid according to claim 2 based on ceramic membrane, which is characterized in that returned in the ammonia
It receives in step, the medicament being added in the second reaction tank of Xiang Suoshu is sodium hydroxide, and the pH value for controlling reaction is 11-12.
4. the method for treating garbage percolation liquid according to claim 2 based on ceramic membrane, which is characterized in that described second is anti-
Ying Chi has sealing cover, and the sealing cover top is equipped with gas vent, and the gas of generation enters the recycling by the gas vent
System, the recovery system are acid recovery system, and the recovery system carries out the recycling to ammonia by sulfuric acid or hydrochloric acid.
5. the method for treating garbage percolation liquid according to claim 2 based on ceramic membrane, which is characterized in that the recycling system
System has broken siphoning installation, to prevent suck-back phenomenon.
6. -5 any method for treating garbage percolation liquid based on ceramic membrane according to claim 1, which is characterized in that described
Method for treating garbage percolation liquid based on ceramic membrane includes:
Advanced oxidation step, the concentrated water of the counter-infiltration system, which enters after advanced oxidation system carries out oxidative degradation, discharges.
7. the method for treating garbage percolation liquid according to claim 6 based on ceramic membrane, which is characterized in that described reverse osmosis
The concentrated water of system enters back into the advanced oxidation system, the oxygen of the advanced oxidation system after carrying out PH adjusting by PH regulator
Chemical industry skill is one of catalytic ozonation, electrocatalytic oxidation, wet oxidation.
8. the method for treating garbage percolation liquid according to claim 6 based on ceramic membrane, which is characterized in that described reverse osmosis
The part of system produces water and the part of the advanced oxidation system is discharged dual disposal.
9. the method for treating garbage percolation liquid according to claim 12 based on ceramic membrane, which is characterized in that add described
In medicine reaction step, the medicament that is added in the first reaction tank of Xiang Suoshu is lime, sodium hydroxide, sodium carbonate, one in organic sulfur
Kind or it is a variety of, when reaction, is stirred landfill leachate.
10. the method for treating garbage percolation liquid according to claim 1 based on ceramic membrane, which is characterized in that by ceramic membrane
The pH value adjustment of the production water of filtration system is to 6-7 and adds and enters back into the counter-infiltration system after antisludging agent.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115301711A (en) * | 2022-08-04 | 2022-11-08 | 江山市虎鼎环保科技有限公司 | Anti-blocking method for washing and filter pressing fly ash |
| CN115784526A (en) * | 2022-12-21 | 2023-03-14 | 福州大学 | Low-energy-consumption treatment method for landfill leachate reverse osmosis membrane concentrated solution |
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| CN103880245A (en) * | 2014-03-19 | 2014-06-25 | 北京博力扬环保科技有限公司 | Method for processing landfill leachate |
| CN104355451A (en) * | 2014-11-14 | 2015-02-18 | 重庆理工大学 | Process for recycling biochemical effluent of landfill leachate |
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| CN101811744A (en) * | 2009-04-03 | 2010-08-25 | 武汉循环经济研究院 | Technology and device for recovering ammonia from garbage leachate in domestic garbage sanitary landfill site |
| CN102806017A (en) * | 2012-08-27 | 2012-12-05 | 天津工业大学 | High-gradient magnetic separator and method for controlling inorganic pollution on surface of high-pressure membrane |
| CN103880245A (en) * | 2014-03-19 | 2014-06-25 | 北京博力扬环保科技有限公司 | Method for processing landfill leachate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115301711A (en) * | 2022-08-04 | 2022-11-08 | 江山市虎鼎环保科技有限公司 | Anti-blocking method for washing and filter pressing fly ash |
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Application publication date: 20190614 |
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