CN109502841A - A kind of the advanced treating coupling device and its coupling technique of landfill leachate - Google Patents
A kind of the advanced treating coupling device and its coupling technique of landfill leachate Download PDFInfo
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- CN109502841A CN109502841A CN201811473167.4A CN201811473167A CN109502841A CN 109502841 A CN109502841 A CN 109502841A CN 201811473167 A CN201811473167 A CN 201811473167A CN 109502841 A CN109502841 A CN 109502841A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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Abstract
The present invention provides the advanced treating coupling device and its coupling technique of a kind of landfill leachate, which includes: electric flocculation device, level-one microfiltration ceramic membrane device, two-stage ultrafiltering ceramics film device；Electric flocculation device is connect by the first water pump with level-one microfiltration ceramic membrane device；Level-one microfiltration ceramic membrane device is connect by the second water pump with two-stage ultrafiltering ceramics film device；The membrane aperture of the ultrafiltration ceramic membrane of two-stage ultrafiltering ceramics film device is less than the membrane aperture of the microfiltration ceramic membrane of level-one microfiltration ceramic membrane device.The advanced treating coupling device of landfill leachate of the invention passes through setting electric flocculation device, level-one microfiltration ceramic membrane device, two-stage ultrafiltering ceramics film device successively carries out electric flocculation, primary filtering and secondary filter to the landfill leachate Jing Guo the below standard discharge of biochemical treatment, it can be obtained the landfill leachate of qualified discharge, entire coupling device is simple, up-front investment, operation, maintenance cost are low.
Description
Technical field
The present invention relates to technical field of landfill leachate treatment, in particular to the advanced treating of a kind of landfill leachate couples
Device and its coupling technique.
Background technique
The process for handling landfill leachate includes biological treatment, physical-chemical process, land treatment systems method and recharge method
Deng.But because pollutant kind, content and the water of landfill leachate are very big in the difference in different regions and season, containing a large amount of
Intractable substance is extremely difficult to merely the emission request of percolate using a certain item technique, need carry out different technique
Rationally coupling, just can guarantee that percolate reaches discharge standard.Current coupled processing system usually use bioanalysis or land law into
The pretreatment of row landfill leachate, is then used as subsequent technique, although pollutants removal rate is preferable, processing system for physical-chemical process
System and complex treatment process, cause up-front investment costly, and process operation is costly, concentrate is more intractable etc..
Summary of the invention
In view of this, the present invention is directed to propose a kind of advanced treating coupling device of landfill leachate, to solve existing rubbish
Rubbish percolation liquid treating system complexity, problem at high cost.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of advanced treating coupling device of landfill leachate, comprising:
Electric flocculation device carries out pollutant electric flocculation to the landfill leachate Jing Guo the below standard discharge of biochemical treatment；
Level-one microfiltration ceramic membrane device, once filters the landfill leachate after pollutant electric flocculation；
Two-stage ultrafiltering ceramics film device carries out secondary filter to primary filtered landfill leachate；
The electric flocculation device is connect by the first water pump with the level-one microfiltration ceramic membrane device；The level-one micro-filtration pottery
Porcelain film device is connect by the second water pump with the two-stage ultrafiltering ceramics film device；
The membrane aperture of the ultrafiltration ceramic membrane of the two-stage ultrafiltering ceramics film device is less than the level-one microfiltration ceramic membrane device
Microfiltration ceramic membrane membrane aperture.
Optionally, the electric flocculation device includes soluble anode plate, cathode plate；The soluble anode and the cathode
It is connected by DC power supply.
Optionally, the clear distance between the soluble anode plate and the cathode plate is 1~20cm.
Optionally, the soluble anode plate is iron anode plate, or is aluminium anodes plate or is RuO2/ Ti anode plate and double
The combination of polarity pole plate；The cathode plate is stainless steel cathode plate.
Optionally, the electric flocculation device further includes blender；The blender is arranged in the soluble anode and institute
It states between cathode.
Optionally, the electric flocculation device further includes pH meter.
Optionally, the two-stage ultrafiltering ceramics film device is additionally provided with third water pump and concentrate outlet.
Optionally, the membrane aperture of the microfiltration ceramic membrane of the level-one microfiltration ceramic membrane device is 0.1~10 μm；The second level
The membrane aperture of the ultrafiltration ceramic membrane of ultrafiltration ceramics film device is less than 0.1 μm.
Another object of the present invention is to propose a kind of rubbish of advanced treating coupling device using above-mentioned landfill leachate
The advanced treating coupling technique of rubbish percolate, the technique the following steps are included:
1) landfill leachate Jing Guo the below standard discharge of biochemical treatment is put into electric flocculation device, electric flocculation landfill leachate
In pollutant, obtain level-one landfill leachate；
2) the level-one landfill leachate is put into level-one microfiltration ceramic membrane device, is once filtered, obtains second level rubbish
Rubbish percolate；
3) the second level landfill leachate is put into two-stage ultrafiltering ceramics film device, carries out secondary filter, obtains row up to standard
The landfill leachate put.
Optionally, the electric flocculation current density of electric flocculation device described in the step 1) is 10~1000mA/cm2, electricity
PH value of flocculating is 6~9, and the electric flocculation time is 20~90min.
Compared with the existing technology, present invention has the advantage that
1, the advanced treating coupling device of landfill leachate of the invention passes through setting electric flocculation device, level-one micro-filtration ceramics
Film device, two-stage ultrafiltering ceramics film device successively to Jing Guo the below standard discharge of biochemical treatment landfill leachate carry out electric flocculation,
Primary filtering and secondary filter, can be obtained the landfill leachate of qualified discharge, and entire coupling device is simple, up-front investment, fortune
Row, maintenance cost are low.
2, the processing of landfill leachate is carried out using the advanced treating coupling device of landfill leachate of the invention, rubbish seeps
Pollutants removal rate in filtrate is higher, wherein COD (COD) removal rate is up to 90% in landfill leachate, ammonia nitrogen
For removal rate up to 99%, phosphatic removal rate is close to 100%.
3, the advanced treating coupling technique of landfill leachate of the invention uses electric flocculation technique and ceramic membrane film filterer
Skill carries out depth coupling processing to landfill leachate, can both make up lacking for the COD removal effect generally grade of existing electro-oxidation processes
Point can also make up the less equal disadvantage of the accessible Soluble target pollutant of existing membrane filtration process, further improve electricity
Current utilization efficiency in flocculation process realizes the synchronous progress that electric flocculation is filtered with ceramic membrane film, and then is conducive to improve rubbish
Pollutants removal rate in rubbish percolate.And the advanced treating coupling technique process of landfill leachate of the invention is simple, easily
It is applied widely in operation.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the advanced treating coupling device of landfill leachate described in the embodiment of the present invention.
Description of symbols:
1- electric flocculation device, 2- level-one microfiltration ceramic membrane device, 3- two-stage ultrafiltering ceramics film device, the first water pump of 4-, 5-
Second water pump, 6- third water pump；
11- soluble anode plate, 12- cathode plate, 13- DC power supply, 14- blender, 15-pH meter；
21- microfiltration ceramic membrane；
31- ultrafiltration ceramic membrane, 32- concentrate outlet.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in connection with fig. 1, the advanced treating coupling device of a kind of landfill leachate, comprising:
Electric flocculation device 1 carries out pollutant electric flocculation to the landfill leachate Jing Guo the below standard discharge of biochemical treatment；
21 device 2 of level-one microfiltration ceramic membrane, once filters the landfill leachate after pollutant electric flocculation；
31 device 3 of two-stage ultrafiltering ceramic membrane carries out secondary filter to primary filtered landfill leachate；
Electric flocculation device 1 is connect by the first water pump 4 with level-one microfiltration ceramic membrane device 2；Level-one microfiltration ceramic membrane device 2
It is connect by the second water pump 5 with two-stage ultrafiltering ceramics film device 3；
The membrane aperture of the ultrafiltration ceramic membrane 31 of two-stage ultrafiltering ceramics film device 3 is less than the micro- of level-one microfiltration ceramic membrane device 2
Filter the membrane aperture of ceramic membrane 21.Wherein, tubular membrane or plate membrane can be used in microfiltration ceramic membrane 21 and ultrafiltration ceramic membrane 31.
The advanced treating coupling device of the landfill leachate of the present embodiment passes through setting electric flocculation device 1, level-one micro-filtration pottery
Porcelain film device 2, two-stage ultrafiltering ceramics film device 3 successively carry out electric wadding to the landfill leachate Jing Guo the below standard discharge of biochemical treatment
Solidifying, primary filtering and secondary filter, can be obtained the landfill leachate of qualified discharge, entire coupling device is simple, up-front investment,
Operation, maintenance cost are low.
In the present embodiment, electric flocculation device 1 includes soluble anode plate 11, cathode plate 12；11 He of soluble anode plate
Cathode plate 12 is connected by DC power supply 13, and soluble anode plate 11 and cathode plate 12 are arranged in parallel, wherein soluble anode
Plate 11 is iron anode plate, or is aluminium anodes plate or is RuO2The combination of/Ti anode plate and double polarity plate；Cathode plate 12 is not
Become rusty steel cathode plate.
Positive plate electrode of the present embodiment using iron or aluminium etc. as soluble anode plate 11, on the one hand, its adsorbable hydrone
Discharge the OH generated, and then electrolytic oxidation is adsorbed on the organic matter on soluble anode plate 11, on the other hand, it is ionizable go out
The stronger iron of flocculation ability, aluminium plasma form a series of multicore iron or aluminium complex, as polycondensation reaction continues,
Multicore iron or aluminium complex gradually form high molecular polymerization hydroxide, ultimately generate hydroxide, react the hydroxide of generation
Object and polymerization hydroxide are very strong to substances attractions such as discrete particles in landfill leachate, can effectively assemble garbage filter
Pollutant in liquid.Meanwhile the glue core of hydrophobicity colloidal solid is hydrophobicity in landfill leachate, but its adsorbed ion is equal
For hydrability ion, be conducive to the charge for balancing glue core, and then increase the stability of colloidal particle, and unstability in landfill leachate
By contacting with each other flocculation reaction can occur for suspended particulate afterwards, and then be conducive to further increase the pollution in landfill leachate
Effective aggregation of object.
Moreover, in the present embodiment, in order to reduce the energy consumption of electrolytic oxidation and electric flocculation in electric flocculation device 1, protecting simultaneously
The effect for demonstrate,proving organic matter removal and pollutant electric flocculation, the clear distance between soluble anode plate 11 and cathode plate 12 are 1~20cm.
In addition, in the present embodiment, electric flocculation device 1 further includes blender 14 and pH meter 15；The setting of blender 14 is can
Between dissolubility anode and cathode, the present embodiment can seep the rubbish in electric flocculation device 1 by setting blender 14 and pH meter 15
Filtrate is stirred, to promote landfill leachate to be sufficiently electrolysed, and rapid flocculation, and can real-time monitoring landfill leachate electric flocculation
PH value in the process is maintained in suitable pH value range with controlling landfill leachate electric flocculation process, avoids influencing garbage filter
The removal effect of hardly degraded organic substance and COD in liquid.
Meanwhile in the present embodiment, in order to effectively remove in the landfill leachate after 1 electric flocculation of electric flocculation device
Pollutant, the membrane aperture of the microfiltration ceramic membrane 21 of level-one microfiltration ceramic membrane device 2 are preferably 0.1~10 μm；Two-stage ultrafiltering ceramics
The membrane aperture of the ultrafiltration ceramic membrane 31 of film device 3 is preferably less than 0.1 μm.And it is filled to isolate by two-stage ultrafiltering ceramic membrane
The pollutant for setting 3 secondary filters and reaching the landfill leachate of discharge standard and filtering out, two-stage ultrafiltering ceramics film device 3 are also set up
There are third water pump 6 and concentrate outlet 32,3 top of two-stage ultrafiltering ceramics film device can be met discharge standard by third water pump 6
The landfill leachate pollutant that pumps out, and filtered out in two-stage ultrafiltering ceramics film device 3 can be discharged from concentrate outlet 32, pass through
Later continue reprocessing.
Embodiment 2
The coupling technique of landfill leachate advanced treating is carried out using the advanced treating coupling device of above-mentioned landfill leachate,
The following steps are included:
1) landfill leachate Jing Guo the below standard discharge of biochemical treatment is put into electric flocculation device 1, electric flocculation garbage filter
Pollutant in liquid obtains level-one landfill leachate；
2) level-one landfill leachate is put into level-one microfiltration ceramic membrane device 2, is once filtered, obtain second level rubbish infiltration
Filtrate；
3) second level landfill leachate is put into two-stage ultrafiltering ceramics film device 3, carries out secondary filter, obtains qualified discharge
Landfill leachate.
Because landfill leachate is discharged after biochemical treatment, salt content is high, solid concentration is high, the landfill leachate of the present embodiment
Advanced treating coupling technique depth coupling processing is carried out to it using electric flocculation technique and ceramic membrane membrane filtration process, wherein
Electric flocculation technique had not only had the ability of electrochemical oxidation pollutant, but can be electrolysed the iron for providing stronger flocculation ability or aluminium etc. from
Son can both make up existing so that handling landfill leachate using the advanced treating coupling technique of the landfill leachate of the present embodiment
The generally equal disadvantage of the COD removal effect of electro-oxidation processes, can also make up the accessible Soluble target of existing membrane filtration process
The less equal disadvantage of pollutant, further improves the current utilization efficiency in electric flocculation technique, realizes electric flocculation and ceramic membrane
The synchronous of film filtering carries out, and then is conducive to improve the pollutants removal rate in landfill leachate.And rubbish of the invention seeps
The advanced treating coupling technique process of filtrate is simple, easily operated, applied widely.
Moreover, in the present embodiment, in order to reduce the energy consumption of electrolytic oxidation and electric flocculation in electric flocculation technique, guaranteeing simultaneously
The effect of organic matter removal and pollutant electric flocculation, in step 1) the electric flocculation current density of electric flocculation device 1 be 10~
1000mA/cm2, electric flocculation pH value is 6~9, and the electric flocculation time is 20~90min.
Embodiment 3
The coupling technique of landfill leachate advanced treating is carried out using the advanced treating coupling device of above-mentioned landfill leachate,
Specifically includes the following steps:
1) landfill leachate Jing Guo the below standard discharge of biochemical treatment is put into electric flocculation device 1, electric flocculation garbage filter
Pollutant in liquid obtains level-one landfill leachate, wherein and the soluble anode plate 11 of electric flocculation device 1 is cast iron anode plate,
Cathode plate 12 is stainless steel cathode plate, and electric flocculation current density is 50mA/cm2, electric flocculation pH value is 8, and the electric flocculation time is
70min, the clear distance between soluble anode plate 11 and cathode plate 12 are 5cm；
2) level-one landfill leachate is put into level-one microfiltration ceramic membrane device 2, is once filtered, obtain second level rubbish infiltration
Filtrate, wherein the microfiltration ceramic membrane 21 in level-one microfiltration ceramic membrane device 2 is plate membrane；
3) second level landfill leachate is put into two-stage ultrafiltering ceramics film device 3, carries out secondary filter, obtains qualified discharge
Landfill leachate, wherein the ultrafiltration ceramic membrane 31 in two-stage ultrafiltering ceramics film device 3 is plate membrane.
Using cast iron as anode plate in the present embodiment, stainless steel mainly generates following cell reaction as cathode plate: sun
Pole: Fe → Fe2++ 2e, Fe → Fe3++3e；Cathode: 2H2O+2e→H2+2OH-, with the progress of electrolysis, rubbish in electric flocculation device 1
The iron concentration of rubbish percolate improves, and then forms a series of multicore iron complex, more as polycondensation reaction continues
Core iron complex gradually forms high molecular polymerization hydroxide, ultimately generates hydroxide, reacts the hydroxide of generation and gathers
It is very strong to substances attractions such as discrete particles in landfill leachate to close hydroxide, can effectively assemble in landfill leachate
Pollutant, and then be conducive to improve the removal of pollutants from landfill leachate.
Landfill leachate is handled using the advanced treating coupling technique of the landfill leachate of the present embodiment, rubbish seeps
The COD removal rate of filtrate is 85%, and phosphatic removal rate is 91%, ammonia nitrogen removal frank 90%.
Embodiment 4
The coupling technique of landfill leachate advanced treating is carried out using the advanced treating coupling device of above-mentioned landfill leachate,
Specifically includes the following steps:
1) landfill leachate Jing Guo the below standard discharge of biochemical treatment is put into electric flocculation device 1, electric flocculation garbage filter
Pollutant in liquid obtains level-one landfill leachate, wherein the soluble anode plate 11 of electric flocculation device 1 is RuO2/ Ti anode
Plate is composed with double polarity plate (such as aluminum substrate), and double polarity plate is arranged in RuO2Between/Ti anode plate and cathode plate 12,
Cathode plate 12 is stainless steel cathode plate, and electric flocculation current density is 50mA/cm2, electric flocculation pH value is 6, and the electric flocculation time is
60min；
2) level-one landfill leachate is put into level-one microfiltration ceramic membrane device 2, is once filtered, obtain second level rubbish infiltration
Filtrate, wherein the microfiltration ceramic membrane 21 in level-one microfiltration ceramic membrane device 2 is tubular membrane；
3) second level landfill leachate is put into two-stage ultrafiltering ceramics film device 3, carries out secondary filter, obtains qualified discharge
Landfill leachate, wherein the ultrafiltration ceramic membrane 31 in two-stage ultrafiltering ceramics film device 3 is tubular membrane.
Landfill leachate is handled using the advanced treating coupling technique of the landfill leachate of the present embodiment, rubbish seeps
The COD removal rate of filtrate is 89%, and phosphatic removal rate is 99%, ammonia nitrogen removal frank 98%.
Embodiment 5
The coupling technique of landfill leachate advanced treating is carried out using the advanced treating coupling device of above-mentioned landfill leachate,
Specifically includes the following steps:
1) landfill leachate Jing Guo the below standard discharge of biochemical treatment is put into electric flocculation device 1, electric flocculation garbage filter
Pollutant in liquid obtains level-one landfill leachate, wherein the soluble anode plate 11 of electric flocculation device 1 is RuO2/ Ti anode
Plate is composed with double polarity plate (such as aluminum substrate), and double polarity plate is arranged in RuO2Between/Ti anode plate and cathode plate 12,
Cathode plate 12 is stainless steel cathode plate, and electric flocculation current density is 50mA/cm2, electric flocculation pH value is 7, and the electric flocculation time is
60min；
2) level-one landfill leachate is put into level-one microfiltration ceramic membrane device 2, is once filtered, obtain second level rubbish infiltration
Filtrate, wherein the microfiltration ceramic membrane 21 in level-one microfiltration ceramic membrane device 2 is tubular membrane；
3) second level landfill leachate is put into two-stage ultrafiltering ceramics film device 3, carries out secondary filter, obtains qualified discharge
Landfill leachate, wherein the ultrafiltration ceramic membrane 31 in two-stage ultrafiltering ceramics film device 3 is tubular membrane.
Landfill leachate is handled using the advanced treating coupling technique of the landfill leachate of the present embodiment, rubbish seeps
The COD removal rate of filtrate is 90%, and phosphatic removal rate is close to 100%, ammonia nitrogen removal frank 99%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of advanced treating coupling device of landfill leachate characterized by comprising
Electric flocculation device (1), for carrying out pollutant electric flocculation to the landfill leachate Jing Guo the below standard discharge of biochemical treatment；
Level-one microfiltration ceramic membrane device (2), for once being filtered to the landfill leachate after pollutant electric flocculation；
Two-stage ultrafiltering ceramics film device (3), for carrying out secondary filter to primary filtered landfill leachate；
The electric flocculation device (1) is connect by the first water pump (4) with the level-one microfiltration ceramic membrane device (2)；The level-one
Microfiltration ceramic membrane device (2) is connect by the second water pump (5) with the two-stage ultrafiltering ceramics film device (3)；
The membrane aperture of the ultrafiltration ceramic membrane (31) of the two-stage ultrafiltering ceramics film device (3) is filled less than the level-one microfiltration ceramic membrane
Set the membrane aperture of the microfiltration ceramic membrane (21) of (2).
2. the advanced treating coupling device of landfill leachate according to claim 1, which is characterized in that the electric flocculation dress
Setting (1) includes soluble anode plate (11), cathode plate (12)；The soluble anode plate (11) and the cathode plate (12) pass through
DC power supply (13) connection.
3. the advanced treating coupling device of landfill leachate according to claim 2, which is characterized in that the soluble sun
Clear distance between pole plate (11) and the cathode plate (12) is 1~20cm.
4. the advanced treating coupling device of landfill leachate according to claim 2 or 3, which is characterized in that described solvable
Property anode plate (11) be iron anode plate, or be aluminium anodes plate or be RuO2The combination of/Ti anode plate and double polarity plate；It is described
Cathode plate (12) is stainless steel cathode plate.
5. the advanced treating coupling device of landfill leachate according to claim 2, which is characterized in that the electric flocculation dress
Setting (1) further includes blender (14)；The blender (14) is arranged between the soluble anode and the cathode.
6. the advanced treating coupling device of landfill leachate according to claim 2 or 5, which is characterized in that the electricity wadding
Solidifying device (1) further includes pH meter (15).
7. the advanced treating coupling device of landfill leachate according to claim 1, which is characterized in that the two-stage ultrafiltering
Ceramic membrane (31) device (3) is additionally provided with third water pump (6) and concentrate outlet (32).
8. the advanced treating coupling device of landfill leachate according to claim 1, which is characterized in that the level-one micro-filtration
The membrane aperture of the microfiltration ceramic membrane (21) of ceramic film device (2) is 0.1~10 μm；The two-stage ultrafiltering ceramics film device (3)
The membrane aperture of ultrafiltration ceramic membrane (31) is less than 0.1 μm.
9. the landfill leachate of the advanced treating coupling device using landfill leachate described in any one of any one of claims 1 to 88
Advanced treating coupling technique, which comprises the following steps:
1) landfill leachate Jing Guo the below standard discharge of biochemical treatment is put into electric flocculation device (1), electric flocculation landfill leachate
In pollutant, obtain level-one landfill leachate；
2) the level-one landfill leachate is put into level-one microfiltration ceramic membrane device (2), is once filtered, obtains second level rubbish
Percolate；
3) the second level landfill leachate is put into two-stage ultrafiltering ceramics film device (3), carries out secondary filter, obtains qualified discharge
Landfill leachate.
10. the advanced treating coupling technique of landfill leachate according to claim 9, which is characterized in that the step 1)
Described in electric flocculation device (1) electric flocculation current density be 10~1000mA/cm2, electric flocculation pH value is 6~9, when electric flocculation
Between be 20~90min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110482749A (en) * | 2019-08-21 | 2019-11-22 | 深圳市盘古环保科技有限公司 | A kind of coupling technique of advanced treatment of landfill leachate |
| CN113666549A (en) * | 2021-09-08 | 2021-11-19 | 上海交通大学重庆研究院 | Micro-nano O coupled with salt-separating carbon-reducing membrane electrode of percolation concentrate3Apparatus and method |
| CN115093054A (en) * | 2022-07-06 | 2022-09-23 | 山东理工大学 | Harmless treatment method for landfill leachate |
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| CN113666549B (en) * | 2021-09-08 | 2023-12-12 | 上海交通大学重庆研究院 | Salt-separating carbon-reducing membrane electrode coupling micro-nano O of percolation concentrate 3 Apparatus and method |
| CN115093054A (en) * | 2022-07-06 | 2022-09-23 | 山东理工大学 | Harmless treatment method for landfill leachate |
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