CN115557611A - Denitrification system for treating high ammonia nitrogen wastewater of kitchen - Google Patents
Denitrification system for treating high ammonia nitrogen wastewater of kitchen Download PDFInfo
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- CN115557611A CN115557611A CN202211359886.XA CN202211359886A CN115557611A CN 115557611 A CN115557611 A CN 115557611A CN 202211359886 A CN202211359886 A CN 202211359886A CN 115557611 A CN115557611 A CN 115557611A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 33
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 153
- 239000010802 sludge Substances 0.000 claims abstract description 20
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims description 14
- 238000005276 aerator Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 206010021143 Hypoxia Diseases 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 235000012054 meals Nutrition 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009935 nitrosation Effects 0.000 description 3
- 238000007034 nitrosation reaction Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
Abstract
The invention discloses a denitrification system for treating high ammonia nitrogen wastewater in kitchens, which comprises a water distribution tank, a water inlet distributor, an anoxic tank, an aerobic tank and an ultrafiltration integrated device, wherein the top of the water distribution tank is provided with a water inlet and a sludge return port, the inner top wall of the water distribution tank is downwards fixedly connected with a water outlet barrel, the side wall of the water outlet barrel is provided with a water outlet, a three-phase separator with a liquid outlet communicated with the water outlet barrel and a water distribution pipeline consisting of a plurality of water distribution pipes correspondingly communicated with a plurality of outlets of the water inlet distributor are arranged in a denitrification reactor from top to bottom, the inlet of the water inlet distributor is communicated with the water outlet through a water inlet pump, the side wall of the water outlet barrel is provided with an overflow port sequentially communicated with the anoxic tank, the aerobic tank and the ultrafiltration integrated device, the outlet of the ultrafiltration integrated device is provided with a water quality monitor and communicated with a discharge pipe and a return pipe which are provided with a valve, and the outlet end of the return pipe and the sludge discharge port of the aerobic tank are communicated with the sludge return port through a sludge pump. The invention solves the technical problem of how to improve the treatment efficiency and enable the effluent quality to meet the requirement.
Description
Technical Field
The invention relates to the technical field of kitchen high ammonia nitrogen wastewater treatment, in particular to a denitrification system for treating kitchen high ammonia nitrogen wastewater.
Background
Chinese patent database discloses publication number CN205821126U, the name is a device utility model patent for biological denitrification of high ammonia nitrogen waste water, specifically discloses: a device for biological denitrification of high ammonia nitrogen wastewater is characterized by sequentially comprising a water distribution tank, a high-efficiency denitrification reactor, an anoxic tank, a nitrosation tank and an aerobic tank; wherein, reflux pumps are respectively connected among the nitrosation tank, the aerobic tank and the water distribution tank, and the water distribution tank is communicated with the bottom of the high-efficiency denitrification reactor through a pipeline; the top of the high-efficiency denitrification reactor is connected with an anoxic tank through a water outlet pipe, and the anoxic tank is sequentially connected with a nitrosation tank and an aerobic tank; the high-efficiency denitrification reactor comprises a water inlet pump, a reactor tank body, a three-phase separator, a gas flowmeter, a pH meter, a water inlet pump, an evacuation port and a sampling port, wherein the reactor tank body of the high-efficiency denitrification reactor is a cube or a cylinder, adopts a steel structure or a concrete structure, and has a height-diameter ratio of more than 1.5; the three-phase separator is arranged at the top of the reactor. Although this patent has solved the problem that the energy consumption that traditional nitrification denitrification biological device exists is big, plus carbon source and excess sludge volume, it can't adjust the concentration of the higher waste water of the suspended solid content that suddenly got into, and the waste water mixed distribution in the denitrogenation reactor is uneven, in addition lacks the water quality monitoring after handling, so not only lead to the treatment effeciency low, can't guarantee to reach standard moreover and arrange and realize the retrieval and utilization.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is how to improve the treatment efficiency and ensure that the effluent quality meets the requirement.
In order to solve the technical problems, the invention provides a denitrification system for treating high ammonia nitrogen wastewater in kitchens, which comprises a denitrification reactor, a water distribution tank, a water inlet pump, a water inlet distributor, an anoxic tank, an aerobic tank, a sludge pump, an ultrafiltration integrated device and a water quality monitor, wherein the top of the water distribution tank is provided with a water inlet and a sludge return port, the inner top wall of the water distribution tank is fixedly connected with a vertically downward water outlet barrel, the side wall of the water distribution tank is provided with a water outlet positioned below the water outlet barrel, the denitrification reactor is internally and horizontally provided with a three-phase separator and a water distribution pipeline from top to bottom, the liquid outlet of the three-phase separator is communicated with the top of the water outlet barrel, the water distribution pipeline consists of a plurality of water distribution pipes which are in one-to-one communication with a plurality of outlets of the water inlet distributor, the inlet of the water inlet distributor is communicated with the water outlet through the water inlet pump, the outlet ends of the water distribution pipes are uniformly distributed on the circumference of the same virtual circle with the axis of the denitrification reactor as the center and face the tangential direction of the circle in the same clockwise or anticlockwise direction, the side wall of the water outlet of the water distribution pipe is provided with the aerobic tank and communicated with the sludge return pipe of the aerobic tank, and the ultrafiltration integrated device, and the overflow pipe of the sludge return pipe, and the overflow pipe are communicated with the aerobic tank.
In one embodiment of the invention, a stirrer is arranged in the anoxic tank.
In one embodiment of the invention, the system further comprises a jet aeration assembly, wherein the jet aeration assembly comprises a jet aerator, and a jet pump and an aeration fan which are both positioned outside the aerobic tank, the jet aerator is positioned in the aerobic tank, and an air inlet and an water inlet of the jet aerator are respectively communicated with the aeration fan and an outlet of the jet pump, and an inlet of the jet pump is communicated with the aerobic tank.
In one embodiment of the invention, the lower part of the water distribution tank is in the shape of an inverted cone.
In one embodiment of the invention, a liquid level meter is further arranged on the side wall of the water distribution tank.
In one embodiment of the invention, the top of the denitrification reactor is also provided with a dewatering tank communicated with the air outlet of the three-phase separator.
In one embodiment of the invention, a flow meter is further arranged between the water inlet pump and the water inlet distributor.
In one embodiment of the invention, the denitrification reactor is provided with a plurality of vertically arranged sampling ports on the side wall between the three-phase separator and the water distribution pipeline.
In one embodiment of the invention, the denitrification reactor is externally sleeved with a heat-insulating sleeve.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the invention arranges a water distribution pipeline consisting of a plurality of water distribution pipes which are correspondingly communicated with a plurality of outlets of the water inlet distributor one by one at the inner bottom of the denitrification reactor, and the outlet ends of the water distribution pipes are uniformly distributed on the circumference of the same virtual circle which takes the axis of the denitrification reactor as the center of the circle and are arranged towards the tangential direction of the circle in the same clockwise or anticlockwise direction, so that the waste water is uniformly mixed and distributed in the denitrification reactor under the swirling power and the rising diffusion of gas generated by reaction, thereby improving the reaction efficiency, ensuring the reaction effect and reducing the treatment burden of an anoxic tank, an aerobic tank and ultrafiltration integrated equipment at the rear end.
2. According to the kitchen wastewater treatment device, the water outlet barrel which is vertically downward and is positioned above the water outlet is fixedly arranged on the inner top wall of the water distribution tank, and the top of the water outlet barrel is communicated with the outlet of the denitrification reactor, so that when the content of suspended solids in the kitchen wastewater entering the water distribution tank is high, the kitchen wastewater can be quickly diluted by the wastewater which is discharged from the water outlet barrel and is subjected to denitrification and shortcut nitrification by the denitrification reactor, and therefore when impact load occurs to feeding, the composition change in the water distribution tank is small, the suddenly increased load can be shared by mixed liquid, the low concentration level is kept, the burden of subsequent treatment is reduced, and the treatment effect is ensured.
3. According to the invention, the water quality monitor is arranged on the outlet of the ultrafiltration integrated equipment and is communicated with the discharge pipe and the return pipe which are provided with valves, the outlet end of the return pipe and the sludge discharge port of the aerobic tank are communicated with the sludge return port through the sludge pump, so that the water quality monitor monitors the water quality of outlet water in real time, the data are sent to the PLC, the PLC compares the data with a preset value which is set according to requirements, if the data are not greater than the preset value, the outlet water is discharged through the discharge pipe, otherwise, the data are conveyed into the water distribution tank through the return pipe for retreatment, the water quality of outlet water is ensured to meet the requirements, the condition that the water quality of outlet water does not reach the standard is effectively avoided, and the recycling is realized.
4. According to the anaerobic reactor, the lower part of the water distribution tank is designed to be in the inverted cone shape, the centripetal force generated by flowing along the inverted cone-shaped conical surface is utilized, so that wastewater forms rotational flow at the bottom of the anaerobic reactor, and the wastewater on the upper part of the water distribution tank is driven to rotate, so that mechanical-free stirring is realized, the energy consumption is saved, and the cost is reduced.
5. According to the invention, the side wall of the denitrification reactor between the three-phase separator and the water distribution pipeline is provided with the plurality of sampling ports which are vertically arranged, so that the multiple reaction conditions in the denitrification reactor can be sampled and monitored, the short-cut nitrification condition in the denitrification reactor is reflected more truly and accurately, and an effective judgment basis is provided for timely process control and adjustment.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing a connection structure of the water inlet distributor and the water distribution pipeline according to the present invention;
FIG. 3 is a schematic view of the water outlet state of the water distribution pipeline in the present invention;
the specification reference numbers indicate: 1. the device comprises a denitrification reactor, 2, a water distribution tank, 21, a water inlet, 22, a sludge return port, 23, a water outlet, 3, a water inlet pump, 4, a water inlet distributor, 5, an anoxic tank, 6, an aerobic tank, 7, a sludge pump, 8, an ultrafiltration integrated device, 9, a water quality monitor, 10, a water outlet barrel, 101 overflow ports, 11, a three-phase separator, 12, a water distribution pipeline, 121, a water distribution pipe, 13, a valve, 14, a discharge pipe, 15, a return pipe, 16, a stirrer, 17, a jet aeration component, 171, a jet aerator, 172, a jet pump, 173, an aeration fan, 18, a liquid level meter, 19, a dewatering tank, 20 and a flow meter.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of describing, but not limiting, the invention, and moreover, like reference numerals designate like elements throughout the embodiments.
Referring to fig. 1, fig. 2 and fig. 3, a denitrogenation system for handling high ammonia nitrogen waste water of meal kitchen, a serial communication port, including denitrogenation reactor 1, water distribution jar 2, intake pump 3, water distributor 4, oxygen deficiency pond 5, good oxygen pond 6, sludge pump 7, ultrafiltration integrated equipment 8 and water quality monitoring instrument 9, the rigid coupling has vertical decurrent play water drum 10, is equipped with level gauge 18 on the lateral wall and is located on the top of water distribution jar 2, the interior roof wall, the top-down level is equipped with three-phase separator 11 and water distribution pipe 121 way 12 in denitrogenation reactor 1, the liquid outlet of three-phase separator 11 with the top of play water drum 10 is linked together, water distribution pipe 121 way 12 by many root length with water distribution pipe 121 that a plurality of exports of water distributor 4 one-to-for-one-to-tenth that communicates, the intake pump 3 of water distribution pipe 23 is linked together, the exit end evenly distributed of water distribution pipe 121 is in the axis that uses denitrification reactor 1 is the same virtual circle center of circle and is equipped with the good oxygen deficiency mud circulation pump 7 and the ultrafiltration integrated equipment that the play water outlet 15 is linked together through the lateral wall 15, the oxygen deficiency mud circulation water outlet and the lateral wall 15 of the integrated equipment 15 that the negative direction of the aerobic sludge outlet that the return water distribution jar 15 is linked together are linked together 15 is equipped with the return water distribution jar 15. Through the cooperation of the arranged water outlet barrel 10, the water distribution pipe 121 line 12 and the water quality monitor 9, the wastewater flowing to the denitrification reactor 1 under the action of the water outlet barrel 10 is always kept at a low concentration level, and under the action of the water distribution pipe 121 line 12, the wastewater is uniformly mixed and distributed in the denitrification reactor 1 under the action of rotational flow power and rising diffusion of reaction generated gas, the water quality of the effluent is monitored in real time through the water quality monitor 9, and the data is sent to the PLC controller, the PLC controller compares the data with a preset value set according to requirements, if the data is not greater than the preset value, the effluent is discharged through the discharge pipe 14, otherwise, the effluent is conveyed into the water distribution tank 2 through the return pipe 15 to be reprocessed so as to ensure that the effluent quality meets the requirements, and the technical effects of improving the treatment efficiency and enabling the effluent quality to meet the requirements are achieved.
The anoxic tank 5 is internally provided with a stirrer 16, so that the denitrification reaction time is shortened, and the efficiency is further improved.
A denitrogenation system for handling meal kitchen high ammonia nitrogen waste water still includes efflux aeration subassembly 17, efflux aeration subassembly 17 includes efflux aerator 171 and all is located the outer jet pump 172 of good oxygen pond 6 and aeration fan 173, efflux aerator 171 is located in good oxygen pond 6, and its air inlet and water inlet 21 respectively with aeration fan 173 with the export of jet pump 172 is linked together, the entry of jet pump 172 with good oxygen pond 6 is linked together, sets up like this and has guaranteed that good oxygen pond 6 is in good oxygen state, promotes nitration.
The lower part of the water distribution tank 2 is in an inverted cone shape, so that centripetal force generated by flowing along an inverted cone-shaped conical surface can be utilized to enable waste water to form rotational flow at the bottom of the anaerobic reactor, and the waste water on the upper part of the water distribution tank 2 is driven to rotate, so that mechanical stirring is avoided, energy consumption is saved, and cost is reduced.
The top of the denitrification reactor 1 is also provided with a dewatering tank 19 communicated with the air outlet of the three-phase separator 11, so that foam and moisture in the air can be effectively eliminated to avoid polluting the air.
A flow meter 20 is also arranged between the water inlet pump 3 and the water inlet distributor 4, so that the treatment capacity can be known for subsequent adjustment according to the treatment effect.
The denitrification reactor 1 is provided with a plurality of sampling ports which are vertically arranged on the side wall between the three-phase separator 11 and the water distribution pipe 121, so that the multiple reaction conditions in the denitrification reactor 1 can be sampled and monitored, the short-cut nitrification condition in the denitrification reactor 1 is reflected more truly and accurately, and an effective judgment basis is provided for timely process control and adjustment.
The outside cover of denitrogenation reactor 1 is equipped with the insulation cover, sets up like this and has reduced thermal loss, has avoided extra heating, has reduced use cost.
The working principle of the invention is as follows: when the device is used, high ammonia nitrogen kitchen wastewater enters the water distribution tank 2 through the water inlet 21, then flows through the water inlet distributor 4 to the water distribution pipe 121 way 12 from the water outlet 23 under the action of the water inlet pump 3, the rotational flow power of the water distribution pipe 121 way 12 is uniformly mixed and distributed in the denitrification reactor 1, denitrification and short-cut nitrification reactions are carried out, liquid separated by the reacted wastewater through the three-phase separator 11 enters the water outlet barrel 10, when the liquid level in the water distribution tank 2 is lower than the overflow port 101, the water subjected to the denitrification and short-cut nitrification reactions flows into the water distribution tank 2 from the bottom of the water outlet barrel 10 to dilute the wastewater in the water distribution tank 2, the water subjected to the denitrification and short-cut nitrification reactions overflows to the anoxic tank 5 for denitrification reactions, then flows to the aerobic tank 6 for nitrification reactions, and is finally filtered by the ultrafiltration integrated device 8, the water quality monitor 9 monitors the quality of the filtered effluent, sends data to the PLC controller, the PLC controller compares the data with preset values set according to needs, and controls the valve 13 on the discharge pipe 14 to discharge the effluent if the data are not greater than the preset values; otherwise, by controlling the valve 13 on the discharge return pipe 15 and the sludge pump 7 to be opened, under the action of the sludge pump 7, water which does not meet the requirement flows back to the water distribution tank 2 through the return pipe 15 and the nitrified sludge in the aerobic tank 6.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (9)
1. The utility model provides a handle denitrogenation system of meal kitchen high ammonia nitrogen waste water, its characterized in that, including denitrogenation reactor, water distribution jar, intake pump, water distributor, oxygen deficiency pond, good oxygen pond, sludge pump, ultrafiltration integrated equipment and water quality monitoring appearance, the rigid coupling has vertical decurrent outlet tube, lateral wall to be equipped with on the top of water distribution jar is equipped with water inlet and mud return mouth, the interior roof and is located be equipped with the delivery port of outlet tube below, top-down level is equipped with three-phase separator and water distribution pipeline in the denitrogenation reactor, the liquid outlet of three-phase separator with the top of outlet tube is linked together, the water distribution pipeline by many with the water distribution pipe of a plurality of export one-to-one correspondence intercommunication of water distributor is constituteed, the entry of water distribution distributor passes through the intake pump with the delivery port is linked together, the exit end evenly distributed of water distribution pipe with the axis of denitrification reactor is on the circumference of the same virtual circle center of a circle to with same clockwise or anticlockwise orientation of the circle on the lateral wall of outlet tube with the oxygen deficiency pond, the mud return pipe with the integrated equipment of ultrafiltration is equipped with the good oxygen overflow outlet and the mud return mouth is linked together the valve is linked together.
2. The denitrification system for treating high ammonia nitrogen wastewater in kitchens as claimed in claim 1, wherein a stirrer is arranged in the anoxic tank.
3. The denitrification system for treating high ammonia nitrogen wastewater in kitchens as claimed in claim 1, further comprising a jet aeration assembly, wherein said jet aeration assembly comprises a jet aerator and a jet pump and an aeration fan both located outside said aerobic tank, said jet aerator is located inside said aerobic tank, and its air inlet and water inlet are respectively communicated with said aeration fan and outlet of said jet pump, and inlet of said jet pump is communicated with said aerobic tank.
4. The denitrification system for treating high ammonia nitrogen wastewater in kitchens as claimed in claim 1, wherein the lower part of the water distribution tank is in an inverted cone shape.
5. The denitrification system for treating high ammonia nitrogen wastewater in kitchens as claimed in claim 1, wherein a liquid level meter is further arranged on the side wall of the water distribution tank.
6. The denitrification system for treating high ammonia nitrogen kitchen wastewater as recited in claim 1, wherein a dewatering tank communicated with the air outlet of the three-phase separator is further arranged at the top of the denitrification reactor.
7. The denitrification system for treating high ammonia nitrogen kitchen wastewater as claimed in claim 1, wherein a flow meter is further arranged between the water inlet pump and the water inlet distributor.
8. The denitrification system for treating high ammonia nitrogen wastewater in kitchens as claimed in claim 1, wherein a plurality of vertically arranged sampling ports are arranged on the side wall of the denitrification reactor between the three-phase separator and the water distribution pipeline.
9. The denitrification system for treating high ammonia nitrogen wastewater in kitchens as claimed in claim 1, wherein a thermal insulation sleeve is sleeved outside the denitrification reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359886.XA CN115557611A (en) | 2022-11-02 | 2022-11-02 | Denitrification system for treating high ammonia nitrogen wastewater of kitchen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211359886.XA CN115557611A (en) | 2022-11-02 | 2022-11-02 | Denitrification system for treating high ammonia nitrogen wastewater of kitchen |
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| CN202211359886.XA Pending CN115557611A (en) | 2022-11-02 | 2022-11-02 | Denitrification system for treating high ammonia nitrogen wastewater of kitchen |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205821126U (en) * | 2016-07-20 | 2016-12-21 | 无锡马盛环境能源科技有限公司 | A kind of device for high ammonia-nitrogen wastewater biological denitrificaion |
| CN107140783A (en) * | 2017-04-25 | 2017-09-08 | 无锡马盛环境能源科技有限公司 | A kind of kitchen waste water low energy consumption handling process and equipment |
| CN208762230U (en) * | 2018-08-22 | 2019-04-19 | 山东太平洋环保股份有限公司 | A kind of solid spiral-flow type water distributor and anaerobic reactor |
| WO2022160563A1 (en) * | 2021-01-28 | 2022-08-04 | 北京坦思环保科技有限公司 | Apparatus and method for deep removal of nitrogen from industrial wastewater by means of anaerobic ammonium oxidation |
-
2022
- 2022-11-02 CN CN202211359886.XA patent/CN115557611A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205821126U (en) * | 2016-07-20 | 2016-12-21 | 无锡马盛环境能源科技有限公司 | A kind of device for high ammonia-nitrogen wastewater biological denitrificaion |
| CN107140783A (en) * | 2017-04-25 | 2017-09-08 | 无锡马盛环境能源科技有限公司 | A kind of kitchen waste water low energy consumption handling process and equipment |
| CN208762230U (en) * | 2018-08-22 | 2019-04-19 | 山东太平洋环保股份有限公司 | A kind of solid spiral-flow type water distributor and anaerobic reactor |
| WO2022160563A1 (en) * | 2021-01-28 | 2022-08-04 | 北京坦思环保科技有限公司 | Apparatus and method for deep removal of nitrogen from industrial wastewater by means of anaerobic ammonium oxidation |
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Address after: Room 328, No. 88 Meiliang Road, Mashan Street, Binhu District, Wuxi City, Jiangsu Province, 214122 Applicant after: Jiangsu Masheng Biotechnology Co.,Ltd. Address before: 7th Floor, Building 3, No. 2018, Lihu Avenue, Wuxi City, Jiangsu Province, 214122 Applicant before: WUXI MASUN ENVIRONMENTAL ENERGY TECHNOLOGY CO.,LTD. |
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