CN111995173A - Integrated kitchen garbage leachate treatment device - Google Patents
Integrated kitchen garbage leachate treatment device Download PDFInfo
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- CN111995173A CN111995173A CN202010689378.2A CN202010689378A CN111995173A CN 111995173 A CN111995173 A CN 111995173A CN 202010689378 A CN202010689378 A CN 202010689378A CN 111995173 A CN111995173 A CN 111995173A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 25
- 239000010806 kitchen waste Substances 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims description 21
- 239000010802 sludge Substances 0.000 claims description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 230000020477 pH reduction Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000005188 flotation Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the technical field of kitchen waste leachate treatment, and provides an integrated kitchen waste leachate treatment device which comprises a steel-structured box body and an integrated ultrafiltration system unit, wherein an air floatation oil removal unit, an anaerobic unit, an A/O unit and a device room are integrated in the box body, and the integrated ultrafiltration system unit is hung on the outer side of the box body. The integrated treatment device occupies small area, can be assembled and tested in an equipment factory, can be operated by directly conveying finished products to a kitchen garbage treatment station and connecting a water inlet pipe, accords with the whole planning of the kitchen garbage treatment station, can be placed indoors and even can be buried underground, is simple to operate, can stably meet the requirement of effluent quality, and has good effluent quality.
Description
Technical Field
The invention relates to the field of kitchen waste leachate treatment, in particular to an integrated treatment device for small kitchen waste leachate.
Background
Kitchen waste disposal is a new environmental proposition in China, and in recent years, the management and disposal of kitchen waste are very important for the nation.
In 2011, 8 and 2 days, the national development and improvement committee, the financial department and the department of housing and construction announce that 6.3 hundred million yuan of special fund for development of the circular economy is arranged, so that the development of the resource utilization and the harmless treatment of the kitchen waste in 5 test-point markets (regions) in the whole country is supported, and experience and reference are provided for exploring the 'way-out' of the kitchen waste in various regions. At present, garbage classification and matched kitchen garbage treatment work are widely carried out in counties and cities in China.
At present, objects for collecting, transporting and treating domestic kitchen waste are generally kitchen waste generated in urban catering enterprises, school dining halls, enterprise and public institution dining halls, residential quarters and relevant areas appointed by the government. Due to various reasons such as urban environmental sanitation professional planning, garbage collection and transportation capacity, transportation distance, operation management and the like; at present, the kitchen waste treatment in each county and city in China is mainly carried out by small kitchen waste treatment stations.
According to the requirements of national environmental protection departments and technical specifications, a sewage treatment system, namely a kitchen waste leachate treatment system, must be arranged for kitchen waste treatment. However, the water quantity is as small as between 15 tons per day, and the water outlet standard meets the requirements of local environmental protection departments. According to the condition of the small kitchen garbage disposal station constructed in China at present and the requirement of environmental evaluation, the effluent is generally required to be the third-level discharge standard of the Integrated wastewater discharge Standard (GB8978-1996), the COD is required to be within 500mg/L, the ammonia nitrogen is within 5(8) mg/L, the suspended matters are within 400mg/L, and the animal and vegetable oil is within 100 mg/L.
The small kitchen garbage disposal station is high in percolate concentration, complex and changeable in water quality, contains high SS, animal and vegetable oil, heavy metals and other pollutants, is unstable in water quality and water quantity, and is extremely harmful. Aiming at the complex waste water which is difficult to treat, the water quantity scale is small, the water quality requirement of the discharged water is high, the planning layout of the whole kitchen garbage treatment station is met, the waste water needs to be arranged indoors or underground, and the operation is relatively simple. If a leachate treatment project is built for such small kitchen waste leachate, the construction period is very complicated, the operation is inconvenient, the leachate treatment scale is relatively large for large and medium-sized garbage kitchen waste treatment stations, the kitchen waste leachate treatment project needs to be constructed in a matched manner, and the medium and large-sized needs cannot be met by one set of independent equipment alone.
Disclosure of Invention
The invention aims to solve the technical problem of providing an integrated kitchen garbage leachate treatment device which is small in occupied area, can be integrated and assembled in an equipment plant, can be operated after a finished product is directly transported to a kitchen garbage treatment station and connected with a water inlet pipe, accords with the overall planning of the kitchen garbage treatment station, can be placed indoors and even can be arranged in a buried mode, is simple to operate, can stably meet the requirement of effluent quality, and has good effluent quality.
In order to solve the technical problem, the invention provides an integrated kitchen garbage leachate treatment device which comprises a steel-structured box body and an integrated ultrafiltration system unit, wherein an air floatation oil removal unit, an anaerobic unit, an A/O unit and a device room are integrated in the box body, and the integrated ultrafiltration system unit is hung on the outer side of the box body;
a water distribution system, a three-phase separator, a water outlet triangular weir and a methane collector are arranged in the anaerobic unit;
the A/O unit comprises an anoxic A area and an aerobic O area, and a flow impeller is arranged in the anoxic A area; a jet aerator and an oxygen release area are arranged in the aerobic O area;
the outer side of the box body is respectively corresponding to the anaerobic unit, and sludge discharge pipe valves are respectively arranged at the positions of the anoxic A area and the aerobic O area of the A/O unit and are used for regularly discharging sludge;
a water inlet pump, an air flotation machine, an anaerobic circulating pump, a sludge pump, a low-voltage power distribution cabinet and an electrical control cabinet are arranged in the equipment room;
kitchen waste leachate lifted from a water collecting tank firstly enters the air floatation oil removal unit, oil and water are separated through the air floatation oil removal unit, separated water enters the anaerobic unit for treatment, effluent of the anaerobic unit enters the A/O unit, effluent of the A/O unit enters the integrated ultrafiltration system unit, the integrated ultrafiltration system unit discharges clean water up to the standard, and sludge returns to the area A of the A/O unit through a reflux pump.
The integrated ultrafiltration system unit integrates an ultrafiltration water inlet pump, an ultrafiltration membrane, a cleaning system, a base, a pipeline and an instrument.
The Anaerobic unit is set as an Up-flow Anaerobic Sludge Blanket (UASB), and the generated biogas is connected to an external fuel pipeline through a collecting pipeline.
The anaerobic unit is set as a hydrolysis acidification system.
The effluent of the anaerobic unit is collected by a triangular weir and then directly enters an anoxic A area of the A/O unit through a water through hole on a partition plate between the anaerobic unit and the A/O unit.
An anoxic A area and an aerobic O area of the A/O unit are separated by a first partition plate, a water through hole is formed in the middle lower portion of the first partition plate, an inclined plate is arranged at the bottom of the first partition plate, and a bottom plate of the first partition plate is not connected with the bottom of the integrated equipment, so that sludge is settled by mixed liquid of an aerobic part through the partition plates, and part of the mixed liquid is pushed by aeration and flows back to denitrification so as to increase denitrification efficiency; and a second partition plate is arranged on the right side of the O area, the bottom of the second partition plate is connected with a bottom plate of the integrated equipment and is used for separating an area, oxygen is released in the area, a part of sludge is precipitated, and water is absorbed from the upper part of the area and enters the ultrafiltration part.
The invention has the beneficial effects that:
the integrated kitchen garbage leachate treatment system covers the air floatation unit, the anaerobic unit, the A/O unit, the external UF unit, equipment, pipelines and an integral electric automatic control system which are matched with the units. All processing units and equipment, electrical control are all integrated in one set of equipment, the problem that the water yield is small, the water quality concentration is high, the effluent standard is high is met, meanwhile, the construction period is short, the installation is convenient, the integrated device can be assembled and completed in a factory of an equipment manufacturer, and the test is passed, then the size of the whole equipment can meet the requirement of the length, the height and the width of highway transportation, small kitchen waste treatment stations around the whole country can be reached through the transportation of several days, after the small kitchen waste treatment stations are transported to the site, the small kitchen waste treatment stations can be debugged and operated after water and electricity are connected, the operation is easy, the practicability is strong, and the device is an effective way for solving the current small.
Drawings
The technical solution of the present invention will be further specifically described with reference to the accompanying drawings and the detailed description.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a front view of the apparatus of the present invention;
FIG. 3 is a top view of the structure of the present invention.
Detailed Description
The process selection principle of the integrated equipment provided by the invention is as follows: the process capable of stably meeting the discharge standard is selected, the water quality is complex, the requirement on the effluent quality is high, the oil is separated out by using an air flotation machine, the damage of the oil to equipment and a diaphragm is avoided, most of COD (chemical oxygen demand) is degraded by using anaerobism, then the COD is fed into an external MBR (membrane bioreactor) system, the COD and BOD of organic matters are reduced and denitrified, ammonia nitrogen is degraded and total nitrogen is removed, the external MBR is adopted, the operation is more convenient compared with the internal MBR, and the effluent is subjected to standard discharge after ultrafiltration. The main process formed after analysis is as follows: air floatation oil removal, anaerobic UASB (hydrolytic acidification), external MBR (A/O unit and ultrafiltration UF system unit). Therefore, the treatment process which is convenient to operate and maintain and ensures the quality of the effluent is adopted for integrated integration. The device integrates all the units into a box body with a carbon steel structure or a stainless steel structure, and the invention also discloses how to effectively combine the units of the process into an integrated device and the reasonability of the design and the construction inside the integrated device.
With reference to fig. 1, 2 and 3, the main process of the present invention is: kitchen waste leachate lifted from a water collecting tank firstly enters a first unit air-flotation oil removal unit 101, oil and water are separated through the air-flotation oil removal unit 101, separated water enters a subsequent anaerobic unit 102, and separated oil is stored and then is delivered to a qualified unit together with kitchen waste grease to refine biodiesel; and the anaerobic unit is used for degrading most of COD.
The anaerobic unit 102 is selected to be a UASB system or a hydrolysis acidification system according to the quality of inlet water. If anaerobic UASB is adopted, methane can be generated, and the methane can be connected into an external torch or a factory through a collecting pipeline to be used as fuel.
The effluent passing through the anaerobic unit 102 is collected by a triangular weir 202 and then directly enters the anaerobic A-area unit 103 of the/O unit through a water through hole on a partition plate between the anaerobic unit 102 and the A/O unit.
The A/O unit is formed by an anoxic zone 103 and an aerobic zone 104 in the A zone, the two zones in the A/O unit are separated by a first partition plate 205, a water through hole is formed in the middle lower part of the first partition plate 205, an inclined plate is arranged at the bottom of the first partition plate, the bottom of the first partition plate is not communicated with the bottom of the integrated equipment, and the purpose is to enable mixed liquid of the aerobic part to sink mud through the first partition plate, and part of the sinking mud is pushed by aeration to flow back to denitrification, so that the denitrification efficiency is increased. The area A is provided with a flow impeller 203 to ensure that the unit is in an anoxic mixed state, nitrate nitrogen is converted into nitrogen gas through denitrifying bacteria under an anoxic environment, and the total nitrogen is thoroughly degraded. The jet aerator 204 is used in the O area and is directly arranged in the O area, so that an additional fan is not needed. There is also a second baffle 206 on the right side of the O-zone, the bottom of the second baffle 206 being welded to the floor of the integrated apparatus to further separate a zone 207 where, in order to be able to release oxygen, a portion of the sludge is precipitated and water is sucked from above into the ultrafiltration system unit 105.
The ultrafiltration system unit 105 discharges clear water by cross-flow action and the sludge is returned to zone a of the a/O section of unit 103 by a reflux pump. And finally discharging the clear water which reaches the standard by ultrafiltration.
In the aspect of integral construction of the equipment, the invention integrates all process units into the equipment with a carbon steel structure or stainless steel equipment.
The system comprises an equipment room 100, wherein a water inlet pump, an air floatation machine, an anaerobic circulating pump, a sludge pump, a low-voltage power distribution cabinet 201 and a control cabinet are arranged in the equipment room 100. Secondly, an anaerobic area 102 is arranged, a water distribution system, a three-phase separator, a water outlet triangular weir, biogas collection and steam-water separation are arranged in the anaerobic area. Then an anoxic a zone 103 with a flow impeller inside, the anoxic a zone 103 followed by an aerobic O zone 104 with a jet aerator inside, and an oxygen release zone. The outer side of the integrated device corresponds to an anaerobic area A102, and areas A and O of the A/O unit are respectively provided with a sludge discharge pipe valve for periodic sludge discharge.
The ultrafiltration system unit 105 integrates an ultrafiltration water inlet pump, an ultrafiltration membrane, a cleaning system, a base, a pipeline and instruments into a whole set of unit and is hung outside the integrated device. The ultrafiltration system area is integrated in advance and then hung on the outer side of the integrated device to form a whole with the integrated device, can be skid-mounted, can be separated during transportation, and can be directly assembled after arriving at a site.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. An integrated kitchen garbage leachate treatment device is characterized by comprising a steel-structured box body and an integrated ultrafiltration system unit, wherein an air floatation oil removal unit, an anaerobic unit, an A/O unit and a device room are integrated in the box body, and the integrated ultrafiltration system unit is hung on the outer side of the box body;
a water distribution system, a three-phase separator, a water outlet triangular weir and a methane collector are arranged in the anaerobic unit;
the A/O unit comprises an anoxic A area and an aerobic O area, and a flow impeller is arranged in the anoxic A area; a jet aerator and an oxygen release area are arranged in the aerobic O area;
the outer side of the box body is respectively corresponding to the anaerobic unit, and sludge discharge pipe valves are respectively arranged at the positions of the anoxic A area and the aerobic O area of the A/O unit and are used for regularly discharging sludge;
a water inlet pump, an air floatation machine, an anaerobic circulating pump, a sludge pump, a low-voltage power distribution cabinet and an electrical control cabinet are arranged in the equipment room.
2. The integrated kitchen garbage leachate treatment device according to claim 1, wherein the integrated ultrafiltration system unit integrates an ultrafiltration water inlet pump, an ultrafiltration membrane, a cleaning system, a base, a pipeline and an instrument.
3. The integrated kitchen garbage leachate treatment plant according to claim 1 or 2, wherein the anaerobic unit is selected as UASB, and the generated biogas is connected to an external fuel pipeline through a collection pipeline.
4. The integrated kitchen waste leachate treatment plant according to claim 1 or 2, wherein said anaerobic unit is configured to be a hydrolysis acidification system.
5. The integrated kitchen garbage leachate treatment device according to claim 3, wherein the effluent of the anaerobic unit is collected by a triangular weir and then directly enters the anoxic A area of the A/O unit through a water through hole on a partition plate between the anaerobic unit and the A/O unit.
6. The integrated kitchen garbage leachate treatment device according to claim 1 or 2, wherein the anoxic A zone and the aerobic O zone of the A/O unit are separated by a first partition plate, the middle lower part of the first partition plate is provided with a water through hole, the bottom of the first partition plate is an inclined plate, and the bottom plate of the first partition plate is not connected with the bottom of the integrated equipment; and a second partition plate is arranged on the right side of the O area, the bottom of the second partition plate is connected with a bottom plate of the integrated equipment, and an area is separated, oxygen is released in the area, a part of sludge is precipitated, and water is absorbed from the upper part of the area and enters the ultrafiltration part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689378.2A CN111995173A (en) | 2020-07-17 | 2020-07-17 | Integrated kitchen garbage leachate treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010689378.2A CN111995173A (en) | 2020-07-17 | 2020-07-17 | Integrated kitchen garbage leachate treatment device |
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| Publication Number | Publication Date |
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| CN111995173A true CN111995173A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010689378.2A Pending CN111995173A (en) | 2020-07-17 | 2020-07-17 | Integrated kitchen garbage leachate treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371947A (en) * | 2021-07-13 | 2021-09-10 | 重庆市环卫集团有限公司 | Low-concentration landfill leachate treatment system and method |
| CN113772883A (en) * | 2021-08-30 | 2021-12-10 | 宜兴市海源环保设备有限公司 | Pretreatment method of kitchen waste extrusion liquid wastewater |
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2020
- 2020-07-17 CN CN202010689378.2A patent/CN111995173A/en active Pending
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| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371947A (en) * | 2021-07-13 | 2021-09-10 | 重庆市环卫集团有限公司 | Low-concentration landfill leachate treatment system and method |
| CN113772883A (en) * | 2021-08-30 | 2021-12-10 | 宜兴市海源环保设备有限公司 | Pretreatment method of kitchen waste extrusion liquid wastewater |
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