CN211198962U - Non-membrane method landfill leachate treatment system - Google Patents
Non-membrane method landfill leachate treatment system Download PDFInfo
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- CN211198962U CN211198962U CN201922074510.4U CN201922074510U CN211198962U CN 211198962 U CN211198962 U CN 211198962U CN 201922074510 U CN201922074510 U CN 201922074510U CN 211198962 U CN211198962 U CN 211198962U
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Abstract
The utility model provides a non-membrane method landfill leachate treatment system, which comprises a collecting tank, a pretreatment device, a first sedimentation tank, a biochemical tank, a second sedimentation tank, a middle water tank, a deep treatment device and a disinfection drainage device which are communicated in sequence; the pretreatment device comprises a micro-electrolysis tower and an ultraviolet light catalytic device which are communicated with each other and is used for realizing the biochemical treatment performance of the landfill leachate; the micro-electrolysis tower is communicated with the collection tank, and the ultraviolet light catalytic device is communicated with the first sedimentation tank. The non-membrane method garbage leachate treatment system is simple in structure, reasonable in design, low in equipment investment and operation cost, and capable of improving the biochemical treatment performance of the garbage leachate and achieving standard discharge of the garbage leachate.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a non-embrane method landfill leachate treatment system.
Background
The landfill leachate refers to water originally contained in the garbage of the garbage landfill, or water seeped after rain and snow pass through the garbage, or water seeped from the stacked garbage before the garbage is incinerated. The landfill leachate contains high-concentration organic pollutants, various heavy metal ions and the like.
The domestic system for treating the percolate of garbage adopts a biochemical and reverse osmosis system. The inventors have found that the main problems with this approach are: for landfill sites with relatively long construction years, such as investment and operation time of more than ten years, anaerobic-aerobic-anaerobic processes and the like are basically performed on biochemical substances in the garbage, and the garbage percolate in the case of the anaerobic-aerobic-anaerobic processes is basically impossible to degrade pollutants through direct biochemical treatment.
In addition, the investment cost and the operation cost of reverse osmosis are high, and the problems of membrane rejection and the like caused by membrane blockage and the like substantially make the existing reverse osmosis membranes (facilities) in the sewage treatment field in a half-paralysis state basically. Furthermore, reverse osmosis necessarily produces high salt-containing wastewater that is high in salt content, incapable of biochemical treatment, and incapable of direct discharge, requiring the use of evaporative treatment during treatment. The evaporation treatment equipment is expensive, the maintenance and use difficulty is high, and the evaporation cost per ton of water is high. Even if the methods are combined, the continuous standard discharge of the landfill leachate is difficult to realize by the traditional biochemical method and reverse osmosis method.
SUMMERY OF THE UTILITY MODEL
The utility model provides a non-embrane method landfill leachate processing system, this processing system simple structure, reasonable in design, equipment investment and operation cost are low, and are provided with preprocessing device, can improve landfill leachate's biochemical treatment nature, realize discharging to reach standard to landfill leachate.
In order to solve the problems, the utility model discloses a non-membrane method garbage leachate treatment system, which comprises a collecting tank, a pretreatment device, a first sedimentation tank, a biochemical tank, a second sedimentation tank, an intermediate water tank, a deep treatment device and a disinfection drainage device which are sequentially communicated; the pretreatment device comprises a micro-electrolysis tower and an ultraviolet light catalytic device which are communicated with each other and is used for realizing the biochemical treatment performance of the landfill leachate; the micro-electrolysis tower is communicated with the collection tank, and the ultraviolet light catalytic device is communicated with the first sedimentation tank.
In the utility model, the micro-electrolysis tower and the ultraviolet light catalytic device are arranged in sequence, and the micro-electrolysis tower and the ultraviolet light catalytic device act synergistically, so that on one hand, the biochemical treatment performance of the landfill leachate can be realized, the treatment effect of the biochemical pool can be greatly improved, and on the other hand, the COD value of the landfill leachate can be directly reduced; meanwhile, Fe generated in the micro-electrolysis tower based on the iron-carbon micro-electrolysis technology can be converted into Fe2+As catalysts for UV-light catalysis, for the production of Fe2+The reuse of the waste water and the reduction of the treatment cost achieve the technical effect of killing two birds with one stone.
Moreover, the micro-electrolysis tower can directly degrade heavy metal ions and pollutant phosphorus in the landfill leachate, and the ultraviolet light catalytic device can also realize the efficient and rapid degradation of organic pollutants in the wastewater.
Furthermore, the utility model discloses a processing system need not to set up reverse osmosis system for non-membrane processing system, can not appear phenomenons such as stifled membrane, simple structure, and system process design is reasonable, and equipment investment and operation cost are low.
Preferably, the micro-electrolysis tower is respectively communicated with the sulfuric acid storage pool and the aeration device, FCM-IV iron-carbon micro-electrolysis materials are distributed in the micro-electrolysis tower, and the micro-electrolysis tower is provided with the first pH meter.
FCM-IV iron-carbon micro-electrolysis materials are arranged in a micro-electrolysis tower, the landfill leachate in the micro-electrolysis tower is aerated, sulfuric acid is added, and the pH value of the landfill leachate is adjusted through a first pH meter so as to carry out iron-carbon micro-electrolysis treatment on the landfill leachate.
Preferably, the ultraviolet light catalytic device is respectively communicated with the hydrogen peroxide storage pool, the alkali storage pool, the PAC storage pool and the PAM storage pool, and the ultraviolet light catalytic device is provided with a second pH meter for controlling the pH value of the landfill leachate in the ultraviolet light catalytic device.
After the landfill leachate is treated by the micro-electrolysis tower, the landfill leachate is introduced into an ultraviolet light catalytic device, hydrogen peroxide is added, and Fe generated by the micro-electrolysis tower treatment is utilized2+The method comprises the following steps of performing ultraviolet light catalysis treatment on landfill leachate, then adding alkali, adjusting the pH value of the landfill leachate through a second pH meter, sequentially adding PAC (poly aluminum chloride) and PAM (polyacrylamide), then introducing the landfill leachate treated by the external light catalysis device into a first sedimentation tank for layering to obtain supernatant and lower-layer sludge, and introducing the supernatant into a biochemical tank for biochemical treatment.
Preferably, the advanced treatment device comprises an ozone catalytic oxidation tower and an aeration biological filter which are communicated; the ozone catalytic oxidation tower is communicated with the middle water tank, an SAO3 ozone catalyst is filled in the ozone catalytic oxidation tower, the ozone catalytic oxidation tower is provided with an ozone generator, and the biological aerated filter is communicated with the disinfection drainage device.
The utility model discloses in, adopt SAO3 ozone catalyst and ozone, carry out ozone catalytic oxidation to landfill leachate and handle. The arrangement of the ozone catalytic oxidation tower can further improve the biochemical performance of the landfill leachate, directly realize the degradation of organic pollutants in the wastewater and further provide guarantee for the subsequent biological aerated filter treatment (BAF treatment for short).
Further preferably, the biological aerated filter comprises a first biological aerated filter and a second biological aerated filter which are communicated with each other; the first biological aerated filter is respectively communicated with the ozone catalytic oxidation tower and the aeration device, and the second biological aerated filter is respectively communicated with the disinfection drainage device and the aeration device.
Still further preferably, the disinfecting and draining device comprises a disinfecting tank communicated with the second biological aerated filter, and a clean water tank communicated with the disinfecting tank, wherein the disinfecting tank is provided with a chlorine dioxide generator.
In the disinfection tank, the chlorine dioxide is disinfected to obtain clear water, and the clear water is introduced into a clear water tank for storage.
Preferably, the biochemical pool comprises a first-stage biochemical pool and a second-stage biochemical pool which are communicated, the first-stage biochemical pool is communicated with the first sedimentation pool, and the second-stage biochemical pool is communicated with the second sedimentation pool.
Further preferably, the primary biochemical pond comprises a first anaerobic pond communicated with the first sedimentation pond, and a first aerobic pond communicated with the first anaerobic pond, and the first aerobic pond is communicated with the aeration device; the secondary biochemical tank comprises a second anaerobic tank communicated with the first aerobic tank and a second aerobic tank communicated with the second anaerobic tank, and the second aerobic tank is communicated with the second sedimentation tank and the aeration device.
The utility model discloses set up one-level biochemical pond and second grade biochemical pond in order to optimize biochemical treatment, on preprocessing device handles the landfill leachate's that obtains biochemical treatment nature basis, handle landfill leachate through one-level biochemical pond and second grade biochemical pond in proper order, can realize the degradation of ammonia nitrogen, organic nitrogen and nitrate nitrogen in the waste water to the low cost of pollutant degradation has been guaranteed.
Preferably, the non-membrane method landfill leachate treatment system further comprises a sludge filter press, and the sludge filter press is respectively communicated with the first sedimentation tank, the second sedimentation tank and the biochemical tank.
The sludge filter press can perform filter-pressing treatment on the sludge at the lower parts of the first sedimentation tank and the second sedimentation tank to obtain filter-pressed clean water and dry sludge, and the filter-pressed clean water can be discharged into the biochemical tank, so that water resource loss caused by insufficient treatment in the garbage leachate treatment process is avoided, the water resource is recycled, the water resource is saved, and the water cost is reduced; and the dry sludge can be further treated to realize the effective utilization of the dry sludge.
Further preferably, the second sedimentation tank is communicated with the PAM storage tank; the middle water tank is communicated with the alkali storage tank, and is provided with a third pH meter for controlling the pH value of the landfill leachate in the middle water tank.
And adding PAM into the second sedimentation tank to perform sedimentation treatment on the landfill leachate to obtain supernatant and lower-layer sludge, feeding the supernatant into an intermediate tank, adding alkali, and adjusting the pH value of the supernatant in the intermediate tank by a third pH meter.
Compared with the prior art, the embodiment of the utility model provides an including following advantage:
1. the micro-electrolysis tower and the ultraviolet light catalytic device are arranged in sequence, and have synergistic effect, so that the biochemical treatment performance of the landfill leachate can be realized, the treatment effect of a biochemical pool can be greatly improved, and the COD value of the landfill leachate can be directly reduced; meanwhile, Fe generated in the micro-electrolysis tower based on the iron-carbon micro-electrolysis technology can be converted into Fe2+As catalysts for UV-light catalysis, for the production of Fe2+And the treatment cost is reduced.
2. The micro-electrolysis tower can directly degrade heavy metal ions and pollutant phosphorus in the landfill leachate, and the ultraviolet light catalytic device can also realize high-efficiency and rapid degradation of organic pollutants in the wastewater so as to ensure standard discharge of the landfill leachate.
3. The primary biochemical tank and the secondary biochemical tank are arranged to optimize biochemical treatment, so that the degradation of ammonia nitrogen, organic nitrogen and nitrate nitrogen in wastewater can be realized, and the low cost of pollutant degradation is ensured.
4. The setting of ozone catalytic oxidation tower can further improve landfill leachate's biodegradability to directly realize the degradation of organic pollutant in the waste water, and then provide the guarantee for subsequent biological aerated filter handles.
5. The utility model discloses a processing system need not to set up reverse osmosis system for non-membrane processing system, can not appear phenomenons such as stifled membrane, simple structure, and system technology reasonable in design, equipment investment and operation cost are low.
6. The utility model is also provided with a sludge filter press to filter-press the sludge at the lower parts of the first sedimentation tank and the second sedimentation tank to obtain clear water and dry sludge after filter pressing, and the clear water is discharged into the biochemical tank to realize the recycling of water resources and reduce the water cost; and the dry sludge can be further treated to realize the effective utilization of the dry sludge.
Drawings
Fig. 1 is a schematic diagram of the non-membrane method landfill leachate treatment system of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Examples
Referring to the attached figure 1, the non-membrane method landfill leachate treatment system comprises a collection tank, a pretreatment device, a first sedimentation tank, a biochemical tank, a second sedimentation tank, an intermediate water tank, a deep treatment device and a disinfection drainage device which are sequentially communicated; the pretreatment device comprises a micro-electrolysis tower and an ultraviolet light catalytic device which are communicated with each other and is used for realizing the biochemical treatment performance of the landfill leachate; the micro-electrolysis tower is communicated with the collection tank, and the ultraviolet light catalytic device is communicated with the first sedimentation tank.
In an example of the present invention, each device is communicated by a pump and a pipe.
The micro-electrolysis tower is respectively communicated with the sulfuric acid storage pool and the aeration device, FCM-IV iron-carbon micro-electrolysis materials are distributed in the micro-electrolysis tower, and the micro-electrolysis tower is provided with a first pH meter so as to adjust the pH value of landfill leachate in the micro-electrolysis tower.
In an example of the present invention, the composition and preparation of the FCM-IV iron-carbon micro-electrolysis material, the structure of the micro-electrolysis tower, and the arrangement of the FCM-IV iron-carbon micro-electrolysis material inside the micro-electrolysis tower refer to a micro-electrolysis catalytic oxidation tower (Z L201620494687.3).
The ultraviolet light catalytic device is communicated with the hydrogen peroxide storage pool, the alkali storage pool, the PAC storage pool and the PAM storage pool respectively, and is provided with a second pH meter for controlling the pH value of the landfill leachate in the ultraviolet light catalytic device. In an example of the present invention, NaOH is stored in the alkali storage tank.
After the landfill leachate is treated by a micro-electrolysis tower, ultraviolet light is introduced to catalyzeAdding hydrogen peroxide into the device, and utilizing Fe generated by the micro-electrolysis tower2+And then, introducing the landfill leachate treated by the external photocatalytic device into a first sedimentation tank for layering to obtain supernatant and lower-layer sludge, and introducing the supernatant into a biochemical tank for biochemical treatment.
The biochemical pond comprises a first-stage biochemical pond and a second-stage biochemical pond which are communicated, the first-stage biochemical pond is communicated with the first sedimentation pond, and the second-stage biochemical pond is communicated with the second sedimentation pond. Specifically, the primary biochemical tank comprises a first anaerobic tank communicated with the first sedimentation tank and a first aerobic tank communicated with the first anaerobic tank, and the first aerobic tank is communicated with the aeration device; the secondary biochemical tank comprises a second anaerobic tank communicated with the first aerobic tank and a second aerobic tank communicated with the second anaerobic tank, and the second aerobic tank is communicated with the second sedimentation tank and the aeration device.
And the supernatant of the first sedimentation tank sequentially enters a first anaerobic tank, a first aerobic tank, a second anaerobic tank and a second aerobic tank for optimized biochemical treatment.
The utility model discloses an in the example, non-embrane method landfill leachate processing system still includes the sludge press filter, the sludge press filter communicates with first sedimentation tank, second sedimentation tank and biochemical pond respectively. Specifically, the sludge filter press is communicated with a first anaerobic tank.
The sludge filter press can perform filter-pressing treatment on the sludge at the lower parts of the first sedimentation tank and the second sedimentation tank to obtain filter-pressed clean water and dry sludge, and the filter-pressed clean water can be discharged into the first anaerobic tank, so that the recycling of water resources is realized, the water resources are saved, and the water cost is reduced; and the dry sludge can be further treated to realize the effective utilization of the dry sludge.
Wherein the second sedimentation tank is communicated with the PAM storage tank; the middle water tank is communicated with the alkali storage tank, and is provided with a third pH meter for controlling the pH value of the landfill leachate in the middle water tank.
And adding PAM into the second sedimentation tank to perform sedimentation treatment on the landfill leachate to obtain supernatant and lower-layer sludge, feeding the supernatant into an intermediate tank, adding alkali, and adjusting the pH value of the supernatant in the intermediate tank by a third pH meter.
Wherein, the advanced treatment device comprises an ozone catalytic oxidation tower and an aeration biological filter which are communicated; the ozone catalytic oxidation tower is communicated with the middle water tank, an SAO3 ozone catalyst is filled in the ozone catalytic oxidation tower, the ozone catalytic oxidation tower is provided with an ozone generator, and the biological aerated filter is communicated with the disinfection drainage device.
In an example of the utility model, the structure and the internal layout of the ozone catalytic oxidation tower refer to a patent of an ozone feeding device (Z L201721138834.4).
Specifically, the biological aerated filter comprises a first biological aerated filter and a second biological aerated filter which are communicated with each other; the first biological aerated filter is respectively communicated with the ozone catalytic oxidation tower and the aeration device, and the second biological aerated filter is respectively communicated with the disinfection drainage device and the aeration device.
More specifically, the disinfection drainage device comprises a disinfection tank communicated with the second biological aerated filter, and a clean water tank communicated with the disinfection tank, wherein the disinfection tank is provided with a chlorine dioxide generator.
Adopt non-membrane method landfill leachate processing system is as follows to landfill leachate's processing procedure:
s1 preprocessing device: treating the landfill leachate in the collecting tank sequentially through a micro-electrolysis tower and an ultraviolet light catalytic device to obtain a pretreatment solution;
and S11 micro-electrolysis tower treatment: after sufficient landfill leachate is collected in the micro-electrolysis tower, aerating, adding sulfuric acid until the pH value is 1-6, and treating for 1-10 hours by the micro-electrolysis tower to obtain a micro-electrolysis tower treatment solution;
and (S12) treating by using an ultraviolet light catalytic device: after the ultraviolet light catalytic device collects sufficient treatment liquid of the micro-electrolysis tower, adding hydrogen peroxide, and starting an ultraviolet light catalytic system for treatment for 1-2 hours to obtain a pretreatment liquid;
s2 first sedimentation tank treatment: adding alkali into the pretreatment solution obtained in the step S1 until the pH value is 7-11, sequentially adding PAC and PAM, discharging the pretreatment solution to the first sedimentation tank, carrying out sedimentation treatment for 1-10 h, and layering to obtain a supernatant and lower sludge;
s3 biochemical pool treatment: treating the supernatant obtained in the step S2 through a primary biochemical tank and a secondary biochemical tank in sequence to obtain secondary biochemical treatment liquid; wherein, the primary biochemical tank comprises a first anaerobic tank and a first aerobic tank; the secondary biochemical tank comprises a second anaerobic tank and a second aerobic tank;
s31 primary biochemical pond treatment: discharging the supernatant obtained in the step S2 into a first anaerobic tank, performing anaerobic biochemical treatment for 15-36 h, then feeding into a first aerobic tank, aerating, and performing aerobic biochemical treatment for 15-36 h to obtain primary biochemical treatment liquid;
s32 secondary biochemical pool treatment: discharging the primary biochemical treatment liquid into a second anaerobic tank, performing anaerobic biochemical treatment for 15-36 h, then feeding into a second aerobic tank, aerating, and performing aerobic biochemical treatment for 15-36 h to obtain secondary biochemical treatment liquid;
s4 treatment in a second sedimentation tank: discharging the secondary biochemical treatment liquid obtained in the step S3 into a second sedimentation tank, aerating and adding PAM, and after aeration is finished, settling for 2-5 hours to obtain supernatant and lower sludge;
s5 sludge filter press treatment: and (4) performing filter pressing treatment on the sludge at the lower part in the step S2 and the sludge at the lower part in the step S4 to obtain filter-pressed clean water and dry sludge, and discharging the filter-pressed clean water to the first anaerobic tank in the step S31.
S6 intermediate pool treatment: discharging the supernatant obtained in the step S4 into an intermediate water tank, aerating and adding alkali until the pH value is 7-11 to obtain an intermediate water tank treatment solution;
and S7 deep processing device: sequentially carrying out ozone catalytic oxidation tower treatment and biological aerated filter treatment on the intermediate water tank treatment liquid obtained in the step S5 to obtain advanced treatment liquid;
the ozone catalytic oxidation tower is filled with an SAO3 ozone catalyst, and is also provided with an ozone generator;
s71 ozone catalytic oxidation tower treatment: discharging the intermediate water tank treatment liquid obtained in the step S5 to the ozone catalytic oxidation tower, starting an ozone generator, and carrying out ozone catalytic oxidation treatment for 1-10 hours to obtain an ozone treatment liquid; the yield P of the ozone generator is as follows:
P＝a×Q×COD
wherein a is a coefficient, and the value range of a is 0.1-2; unit of Q is m3The unit of COD is mg/L, which represents the change of the chemical oxygen demand of the wastewater before and after entering the ozone catalytic oxidation tower;
wherein, the biological aerated filter comprises a primary biological aerated filter and a secondary biological aerated filter;
s72 biological aerated filter treatment: discharging the ozone treatment liquid to a primary biological aerated filter, carrying out aeration treatment for 15-37 h, then discharging to a secondary biological aerated filter, and carrying out aeration treatment for 15-37 h to obtain an advanced treatment liquid;
s8 disinfection pool and drainage pool treatment: and (5) carrying out disinfection treatment on the deep treatment solution obtained in the step S6 for 1-2 h by using chlorine dioxide to obtain clear water, and discharging the clear water into a clear water tank.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
The technical solution provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A non-membrane method landfill leachate treatment system is characterized by comprising a collecting tank, a pretreatment device, a first sedimentation tank, a biochemical tank, a second sedimentation tank, an intermediate water tank, a deep treatment device and a disinfection drainage device which are communicated in sequence;
the pretreatment device comprises a micro-electrolysis tower and an ultraviolet light catalytic device which are communicated with each other and is used for realizing the biochemical treatment performance of the landfill leachate; the micro-electrolysis tower is communicated with the collection tank, and the ultraviolet light catalytic device is communicated with the first sedimentation tank.
2. The non-membrane landfill leachate treatment system of claim 1, wherein the micro-electrolysis tower is respectively communicated with the sulfuric acid storage tank and the aeration device, FCM-IV iron-carbon micro-electrolysis materials are distributed in the micro-electrolysis tower, and the micro-electrolysis tower is provided with the first pH meter.
3. The non-membrane landfill leachate treatment system according to claim 1 or 2, wherein the ultraviolet light catalysis device is respectively communicated with the hydrogen peroxide storage tank, the alkali storage tank, the PAC storage tank and the PAM storage tank, and the ultraviolet light catalysis device is provided with a second pH meter for controlling the pH value of landfill leachate in the ultraviolet light catalysis device.
4. The non-membrane landfill leachate treatment system of claim 1, wherein the advanced treatment unit comprises an ozone catalytic oxidation tower and a biological aerated filter which are communicated with each other; the ozone catalytic oxidation tower is communicated with the middle water tank, an SAO3 ozone catalyst is filled in the ozone catalytic oxidation tower, the ozone catalytic oxidation tower is provided with an ozone generator, and the biological aerated filter is communicated with the disinfection drainage device.
5. The non-membrane landfill leachate treatment system of claim 4, wherein the biological aerated filter comprises a first biological aerated filter and a second biological aerated filter which are communicated with each other; the first biological aerated filter is respectively communicated with the ozone catalytic oxidation tower and the aeration device, and the second biological aerated filter is respectively communicated with the disinfection drainage device and the aeration device.
6. The non-membrane landfill leachate treatment system of claim 5, wherein the disinfection drainage device comprises a disinfection tank in communication with the second biological aerated filter, and a clean water tank in communication with the disinfection tank, wherein the disinfection tank is configured with a chlorine dioxide generator.
7. The system for treating landfill leachate according to claim 1, wherein the biochemical tank comprises a primary biochemical tank and a secondary biochemical tank which are communicated with each other, the primary biochemical tank is communicated with the first sedimentation tank, and the secondary biochemical tank is communicated with the second sedimentation tank.
8. The non-membrane landfill leachate treatment system of claim 7, wherein the primary biochemical tank comprises a first anaerobic tank in communication with the first sedimentation tank, and a first aerobic tank in communication with the first anaerobic tank, the first aerobic tank being in communication with the aeration device;
the secondary biochemical tank comprises a second anaerobic tank communicated with the first aerobic tank and a second aerobic tank communicated with the second anaerobic tank, and the second aerobic tank is communicated with the second sedimentation tank and the aeration device.
9. The system for treating landfill leachate according to claim 1, further comprising a sludge filter press, wherein the sludge filter press is respectively communicated with the first sedimentation tank, the second sedimentation tank and the biochemical tank.
10. The non-membrane landfill leachate treatment system of claim 3, wherein the second settling tank is in communication with the PAM storage tank;
the middle water tank is communicated with the alkali storage tank, and is provided with a third pH meter for controlling the pH value of the landfill leachate in the middle water tank.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759603A (en) * | 2019-11-26 | 2020-02-07 | 广州桑尼环保科技有限公司 | Method for treating landfill leachate by non-membrane method |
| CN111960616A (en) * | 2020-08-27 | 2020-11-20 | 重庆耐德环境技术有限公司 | Non-concentrated liquid treatment system and method for aged landfill leachate |
| CN114573180A (en) * | 2020-11-18 | 2022-06-03 | 北京科泰兴达高新技术有限公司 | Standard treatment process for landfill leachate |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759603A (en) * | 2019-11-26 | 2020-02-07 | 广州桑尼环保科技有限公司 | Method for treating landfill leachate by non-membrane method |
| CN111960616A (en) * | 2020-08-27 | 2020-11-20 | 重庆耐德环境技术有限公司 | Non-concentrated liquid treatment system and method for aged landfill leachate |
| CN114573180A (en) * | 2020-11-18 | 2022-06-03 | 北京科泰兴达高新技术有限公司 | Standard treatment process for landfill leachate |
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