CN219991248U - Anaerobic digestion liquid treatment device - Google Patents
Anaerobic digestion liquid treatment device Download PDFInfo
- Publication number
- CN219991248U CN219991248U CN202320971505.7U CN202320971505U CN219991248U CN 219991248 U CN219991248 U CN 219991248U CN 202320971505 U CN202320971505 U CN 202320971505U CN 219991248 U CN219991248 U CN 219991248U
- Authority
- CN
- China
- Prior art keywords
- anaerobic digestion
- reactor
- membrane component
- treatment device
- membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 65
- 230000029087 digestion Effects 0.000 title claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 83
- 238000007599 discharging Methods 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910001868 water Inorganic materials 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 10
- 239000000047 product Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 230000001079 digestive effect Effects 0.000 description 6
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model is used for industrial wastewater treatment, belongs to the technical field of environmental protection equipment, and in particular relates to an anaerobic digestion liquid treatment device, which comprises a reactor, wherein a liquid inlet pipe is rotationally arranged in the reactor, a membrane component is circumferentially fixed on the liquid inlet pipe, and an air supply pipe is arranged on and/or under the membrane component, and the liquid inlet pipe pumps anaerobic digestion liquid into the membrane component in the reactor to enable the anaerobic digestion liquid to react on the membrane component; the membrane component adopts an inorganic membrane component; the gas supply pipe is used for guiding high-temperature hot gas onto the outer surface of the membrane assembly to provide temperature for the product filtered through the membrane assembly to continue to react; the anaerobic digestion liquid treatment device adopting the technical scheme of the utility model can solve the problems that the existing device can only separate solid from liquid and is difficult to further harmlessly treat digestion liquid.
Description
Technical Field
The utility model is used for industrial wastewater treatment, belongs to the technical field of environmental protection equipment, and particularly relates to an anaerobic digestion liquid treatment device.
Background
Anaerobic digestion liquid contains rich nitrogen, phosphorus, trace elements, humic acid, amino acid and other nutrient substances, but most of digestion liquid cannot be effectively treated due to the limitations of the current application conditions and application technology.
At present, anaerobic digestion liquid can only be subjected to solid-liquid separation, and the problems of recycling and harmlessness of the digestion liquid cannot be solved, so that new equipment to be developed and further treated.
Chinese patent CN 113788513A discloses a filtering separator and application thereof, wherein a ceramic membrane is used to realize solid-liquid separation under the cross-flow filtration technique, but the subsequent product needs to be further concentrated for further treatment; chinese patent CN103007600 a discloses a ceramic membrane filtration device, a dynamic filtration device and a method for using the same, which uses a circular plate rotating at high speed to make the liquid have a shearing force, so that the filter cake can be continuously swept, while the surface of the ceramic membrane can be kept clean and tidy, the filter cake and the filtrate generated by filtration need further harmless treatment, especially the filtrate, and the filtrate needs to be burned or pyrolyzed by a separate reaction device, so that the filtrate finally reaches harmless emission.
Accordingly, there is a need to provide an improved device that addresses the problem of the prior devices that have difficulty in handling filtrate.
Disclosure of Invention
The utility model aims to provide an anaerobic digestion liquid treatment device, which solves the problems that the existing device can only separate solid from liquid and is difficult to make digestion liquid harmless.
In order to achieve the aim, the utility model provides an anaerobic digestion liquid treatment device, which comprises a reactor, wherein a liquid inlet pipe is rotationally arranged in the reactor, a membrane component is circumferentially fixed on the liquid inlet pipe, an air supply pipe is arranged on and/or under the membrane component, an air exhaust hole is arranged at the upper part of the reactor, and a slag discharge port is arranged at the lower part of the reactor;
the liquid inlet pipe pumps the anaerobic digestion liquid into a membrane component in the reactor, so that the anaerobic digestion liquid reacts on the membrane component;
the membrane component adopts an inorganic membrane component, the membrane component can be ultrafiltration, nanofiltration and reverse osmosis membranes, and the membrane component can be of a disc type or tubular or plate type structure;
the gas supply pipe is used for introducing high-temperature hot gas (such as external hot steam) onto the outer surface of the membrane assembly to provide temperature for the product passing through the membrane assembly to continue to react;
the slag discharging port is used for timely discharging the reacted residues and clean water out of the reactor;
the exhaust port is used for exhausting the reacted gas out of the reactor.
Preferably, in order to ensure the durability of the reactor, the housing is made of stainless steel, and in order to facilitate the rotary connection of the liquid inlet pipe and the reactor, the liquid inlet pipe is fixed to the reactor through a bearing.
As the preferred scheme, in order to facilitate the feeding of anaerobic digestion liquid and ensure the durability of the liquid inlet pipe, the inlet end of the liquid inlet pipe is connected with the high-pressure pump, the outlet section is communicated with the membrane component, the outlet section is a part positioned in the reactor, the outlet end is provided with a valve for discharging residues, and the liquid inlet pipe is made of stainless steel.
Preferably, in order to enhance the separation capacity of the membrane module, and when the reaction residues may be separated from the surface of the membrane module, the membrane module is normally in a rotating state to provide centrifugal force.
Preferably, in order to uniformly provide an air inlet environment and balance the stress of the membrane assembly as much as possible, the air supply pipes are symmetrically and uniformly distributed along the rotation axis of the rotation plane of the membrane assembly.
As the preferred scheme, for better evenly dispersing the steam of air supply pipe on the membrane module, increase reaction area, the air supply pipe includes main pipe and branch pipe, is responsible for and passes through the branch pipe with steam dispersion in different regions, install the nozzle towards membrane module rotation plane on the branch pipe, the dispersion steam that the nozzle can be better, accurate jet.
As a preferable scheme, the slag discharging port is arranged in an open way for conveniently discharging the reacted substances at any time. No valve is provided.
As a preferable scheme, for convenience of further treating the incompletely reacted tail gas, the exhaust port is arranged above the side of the reactor, and the outlet of the exhaust port is connected with a tail gas purifying device.
In a preferred scheme, in order to ensure the filtration efficiency of the membrane component and reduce the use cost, the membrane component structure adopts a disc type, a tube type or a plate type which are common in the market.
As a preferable scheme, in order to conveniently install the pressure and temperature monitoring element, the reaction temperature and pressure are accurately detected, a plurality of pressure and temperature monitoring ports are arranged on the reactor, and the holes of the temperature and pressure monitoring ports are provided with sleeves and flanges.
Compared with the existing digestion liquid treatment device in the market, the anaerobic digestion liquid treatment device provided by the utility model has the following advantages:
1. the treatment device is simple, and the hot air flow with the temperature of 50-200 ℃ is continuously provided on the surface of the rotating membrane component, so that the heat is eliminatedHarmful small organic molecules in the digestion solution mainly react as follows, and the digestion solution is added with O 2 →CO 2 +H 2 O, thereby making the products of the digestive juice after passing through the membrane component harmless, and reducing environmental pollution.
2. The membrane component is fixed on a liquid inlet pipe in the reactor, the liquid inlet pipe is fixed on the reactor through a bearing, and the liquid inlet pipe continuously rotates around the bearing under the action of a driving force, so that the membrane component continuously rotates to filter digestive juice, most substances are trapped in the membrane component, and small molecular organic matters passing through the membrane component are subjected to decomposition reaction and centrifugally discharged out of the surface of the membrane component under the action of hot gas on the surface of the membrane component, purified water and carbon dioxide gas can be directly discharged, the disposal cost of subsequent products is reduced while the surface of the membrane component is kept clean, and the cost is saved.
3. The practicability is strong, the application range is wide, and the environmental pollution of the digestive juice is reduced under the treatment of the device, so that the digestive juice has higher economic and social effects.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:
FIG. 1 is a schematic diagram of an anaerobic digester effluent treatment unit according to an embodiment of the present utility model;
in the figure: 101-liquid inlet pipe, 102-membrane component, 201-gas supply pipe, 202-gas supply pipe branch, 203-nozzle, 301-slag discharge port, 401-gas outlet, 501-reactor and 502-bearing.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in fig. 1, an embodiment of the present utility model provides an anaerobic digestion solution treatment apparatus, including: 101-liquid inlet pipe, 102-membrane component, 201-gas supply pipe, 202-gas supply pipe branch, 203-nozzle, 301-slag discharge port, 401-gas outlet, 501-reactor and 502-bearing.
The reactor 501 provides a reaction place for the device, stainless steel materials are adopted, a vertical round tank is preferably adopted, a rotatable liquid inlet pipe 101 is designed at the middle shaft part of the reactor 501, the liquid inlet pipe 101 is fixedly connected with the reactor 501 through a bearing 502, the bearing 502 is directly or fixedly arranged on the reactor 501 through a bracket, anaerobic digestion liquid enters into a membrane component 102 through a hole formed in the liquid inlet pipe 101, the membrane component 102 is a high-temperature resistant inorganic membrane, the structure can adopt a disc type, a tube type or a plate type common in the market, the utility model adopts a disc type ceramic membrane component, the membrane component 102 is vertically fixed with the liquid inlet pipe 101, the membrane component 102 and the liquid inlet pipe 101 adopt a mature connecting sealing technology in the prior art, under the action of the membrane assembly 102, the large molecular substances are trapped after the digestive juice is treated, the small molecular substances pass through the membrane assembly 102, so that the solid-liquid separation effect is achieved, in addition, the liquid inlet pipe 101 is driven by a motor to rotate around the bearing 502 on the reactor 501, so that the membrane assembly 102 is driven to rotate, solid-liquid separation is better realized under the action of centrifugal force and rotary cutting force, in addition, the air supply pipe 201 distributed on the upper part of the membrane assembly 102 uniformly distributes hot air, preferably steam with the temperature of 50-200 ℃, the higher the temperature is, the less waste residues are finally produced, and the separated substances are further oxidized through the nozzle 203, and the reaction mechanism of oxidation can be expressed as follows in a simplified chemical equation:
organic matter +O 2 →CO 2 +H 2 O
Heteroatom-acid, salt and oxide in organic matter
The detailed reaction mechanism is as follows:
RH+O 2 →R.+HO 2 .(1)
RH+HO 2 .→R.+H 2 O 2 (2)
H 2 0 2 +M→2HO.+M(3)
m is a homogeneous or heterogeneous medium. HO. Has very high activity and can react with almost all hydrogen-containing compounds.
RH+HO.→R.+H 2 O(4)
R. produced in the above reaction processes can react with oxygen to produce ROO, and further obtain hydrogen atoms to produce peroxide.
P.+O 2 →POO. (5)
ROO.+RH→ROOH+R. (6)
A small amount of residue formed by the reaction is thrown out by the membrane module 102 and is discharged out of the reactor through the residue discharge port 301, and the purified gas is discharged out of the reactor 501 through the gas discharge port 401. The part of the liquid inlet pipe 101 inside the reactor 501 is preferably in the form of a hollow shaft, so as to facilitate connection and fixation, an outlet end of the hollow shaft can be connected to the inner wall of the reactor 501 through a fixed support, so as to reduce shaking when the hollow shaft rotates, a bearing (not shown in the figure) is also arranged at a rotation connection part of the hollow shaft and the fixed support, and the part of the hollow shaft outside the reactor 501 is connected with a main body part of the liquid inlet pipe in a rotation connection mode.
In this embodiment, the hot gas in the gas supply pipe 201 is first raised to 50-200 ℃ to make the small molecular substances passing through the membrane module 102 react sufficiently, then the membrane module 102 is rotated under the action of driving force, and the small molecular substances passing through the membrane module 102 can be thrown out in time by adjusting the rotation speed, so as to keep the surface of the membrane module 102 clean. The air supply pipe 201 preferably distributes the hot air uniformly on the upper and lower surfaces of the membrane module 102 through the nozzles 203, specifically, the air supply pipe 201 is symmetrically and uniformly distributed along the rotation axis of the rotation plane of the membrane module, the air supply pipe comprises a main pipe and branch pipes, the main pipe distributes the hot air in different areas through the branch pipes, the nozzles 203 facing the rotation plane of the membrane module are arranged on the branch pipes, and the nozzles 203 can better distribute the hot air for precise injection. For accurate detection of reaction temperature and pressure, a plurality of pressure and temperature monitoring ports are provided on the reactor 501, and a sleeve and a flange are provided on the opening of the temperature and pressure monitoring ports.
Under the action of pressure difference, macromolecular substances, ash and the like are trapped in the membrane assembly 102 through the permeation, trapping or screening characteristics of the membrane assembly 102, and are collected to the outlet of the outlet end of the liquid inlet pipe 101 to be discharged through the back flushing action, the outlet end is an opening facing the slag discharging port, the outlet end is normally closed, the outlet end is opened during back flushing, namely, the discharged macromolecular substances and ash can be discharged out of the reactor 501 through the slag discharging port 301, and the discharged macromolecular substances and ash can be continuously subjected to a high-temperature vitrification treatment process, so that the purposes of reduction and harmlessness are further realized, and the macromolecular substances and ash can be normally treated by the existing professional companies, but are not the technology related to the utility model. The filtered digestive juice and the gas generated by the reaction and purification of the small organic molecules are discharged through the exhaust port 401. The main components of the small molecular substances passing through the membrane module 102 relate to organic matters such as carbon, nitrogen, COD and the like, and the surfaces of the membrane module 102 are decomposed due to the heating of hot gas, and the final products are residues such as carbon dioxide, water, inorganic salts and the like. The generated harmless gas is discharged through the gas outlet 401, and the residue of inorganic salt and the like is discharged through the residue outlet 301.
In sum, anaerobic digestion liquid enters the liquid inlet pipe 101 under the action of the high-pressure pump, the digestion liquid enters the gap of the membrane assembly 102 through the liquid inlet pipe 101, the membrane assembly 102 can intercept macromolecular substances, the micromolecular substances are discharged through the membrane assembly 102, and the micromolecular substances are decomposed into residues such as carbon dioxide, water, inorganic salt and the like under the action of hot gas on the surface of the membrane assembly 102, so that environmental pollution is reduced. The residue generated by the reaction can be quickly separated from the membrane component 102 under the action of rotary cutting force, and is discharged out of the device, so that the treatment cost of subsequent products can be reduced after the product is purified, and the cost is saved. The device has strong practicability and can better assist in realizing further harmless treatment of the anaerobic digestion liquid.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The anaerobic digestion liquid treatment device is characterized by comprising a reactor, wherein a liquid inlet pipe is rotationally arranged in the reactor, a membrane component is circumferentially fixed on the liquid inlet pipe, and a membrane component is arranged on and/or below the membrane component
The upper part of the reactor is provided with an exhaust hole, and the lower part of the reactor is provided with a slag discharge port;
the liquid inlet pipe pumps the anaerobic digestion liquid into a membrane component in the reactor, so that the anaerobic digestion liquid reacts on the membrane component;
the membrane component adopts an inorganic membrane component;
the gas supply pipe is used for guiding high-temperature hot gas onto the outer surface of the membrane component to provide temperature for the product passing through the membrane component to continue to react;
the slag discharging port is used for discharging the reacted residues and clean water out of the reactor;
the exhaust port is used for exhausting the reacted gas out of the reactor.
2. An anaerobic digestion solution treatment device according to claim 1, wherein: the feed pipe is fixed to the reactor by means of bearings.
3. An anaerobic digestion solution treatment device according to claim 1 or 2, wherein: and one end of the inlet of the liquid inlet pipe is connected with a high-pressure pump, and the outlet section is communicated with the membrane assembly.
4. An anaerobic digestion solution treatment device according to claim 1 or 2, wherein: the membrane assembly is normally in a rotated state.
5. An anaerobic digestion solution treatment device according to claim 1, wherein: the air supply pipes are symmetrically distributed along the rotation axis of the rotation plane of the membrane assembly.
6. An anaerobic digestion solution treatment device according to claim 1 or 5, wherein: the gas supply pipe comprises a main pipe and a branch pipe, and a nozzle facing the rotation plane of the membrane assembly is arranged on the branch pipe.
7. An anaerobic digestion solution treatment device according to claim 1, wherein: the slag discharging port is arranged in an open mode.
8. An anaerobic digestion solution treatment device according to claim 1, wherein: the exhaust port is arranged above the side of the reactor, and the outlet of the exhaust port is connected with an exhaust gas purifying device.
9. An anaerobic digestion solution treatment device according to claim 1, wherein: the membrane component is in a disc type, tubular type or plate type structure.
10. An anaerobic digestion solution treatment device according to claim 1, wherein: the reactor is provided with a pressure and temperature monitoring port, and a sleeve and a flange are arranged on the opening of the temperature and pressure monitoring port.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221825722 | 2022-07-14 | ||
| CN2022218257227 | 2022-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219991248U true CN219991248U (en) | 2023-11-10 |
Family
ID=88620931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320971505.7U Active CN219991248U (en) | 2022-07-14 | 2023-04-26 | Anaerobic digestion liquid treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219991248U (en) |
-
2023
- 2023-04-26 CN CN202320971505.7U patent/CN219991248U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0629142A1 (en) | Apparatus and method for treatment of waste water sludge | |
| CN214218293U (en) | Three-phase catalytic oxidation sewage treatment device | |
| CA2360208A1 (en) | Process and device for cross-flow filtraion | |
| CN211847584U (en) | Device for carrying out cooperative treatment on kitchen waste and household garbage leachate | |
| CN219991248U (en) | Anaerobic digestion liquid treatment device | |
| KR102100991B1 (en) | Liquefied fertilizer purification apparatus using porous ceramic membrane | |
| CN119034473A (en) | Compound biological filter device for gaseous pollutant treatment | |
| CN115367839B (en) | Anaerobic digestion liquid treatment device | |
| CN110395853A (en) | A self-rotating anaerobic forward osmosis membrane bioreactor and its application | |
| CN214780975U (en) | Composite advanced oxidation reactor | |
| CN111977888B (en) | Biochemical treatment system for extracting N-methyl pyrrolidone from wastewater | |
| CN213348408U (en) | A ultrafiltration device for enzyme preparation production | |
| CN211847465U (en) | Novel organic waste water catalytic oxidation device | |
| CN208166657U (en) | A kind of turntable filter chamber | |
| CN221235447U (en) | Water purification equipment for reducing water emission | |
| CN113371931A (en) | Sewage biological method processing system | |
| CN112080412A (en) | Ultrafiltration device for enzyme preparation | |
| CN116040843B (en) | Integrated micro-polluted water body treatment device | |
| CN216946613U (en) | Advanced oxidation-membrane distillation device used in sewage treatment process | |
| CN221217409U (en) | Chemical production sewage safety purification equipment | |
| CN113636726B (en) | Zero-discharge treatment process for abamectin production wastewater | |
| CN220951187U (en) | BDO waste sulfuric acid recovery system | |
| CN213596118U (en) | Activated biochar sewage treatment reaction system | |
| CN109292969B (en) | Reaction device for purifying coking wastewater by activated sludge process | |
| CN222312876U (en) | A BBR biological rotary disc integrated biochemical filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |