CN111606410A - High salt denitrification test device that contains - Google Patents
High salt denitrification test device that contains Download PDFInfo
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- CN111606410A CN111606410A CN202010537999.9A CN202010537999A CN111606410A CN 111606410 A CN111606410 A CN 111606410A CN 202010537999 A CN202010537999 A CN 202010537999A CN 111606410 A CN111606410 A CN 111606410A
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 150000003839 salts Chemical class 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000011001 backwashing Methods 0.000 claims description 25
- 239000000523 sample Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000005273 aeration Methods 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000460 chlorine Substances 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 7
- 239000010802 sludge Substances 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 18
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000001223 reverse osmosis Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological 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
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a high-salt-content denitrification test device which comprises a raw water blending water tank, a high-salt-content biological denitrification reactor, an intermediate water tank, a high-efficiency bioreactor and a water production tank which are sequentially connected through pipelines; the raw water blending water tank is provided with a first automatic dosing system, and the first automatic dosing system comprises a first water quality online detection device, a first stirrer and a first metering dosing pump; the middle water tank is provided with a second automatic dosing system, and the second automatic dosing system comprises a second water quality online detection device, a second stirrer and a second metering dosing pump. The high-salt-content denitrification test device disclosed by the invention is high in treatment load, does not need to discharge sludge, and reduces waste; the whole volume is small, and the rapid disassembly, assembly and transportation are convenient; the experimental water is recycled, so that the energy is saved and the environment is protected; the circulating water automatic monitoring and automatic dosing system of the raw water blending water tank realizes the accurate proportioning and the accurate blending of the raw water for experiments; the experimental device can realize denitrification of water with high salt content.
Description
Technical Field
The invention relates to a high-salt-content denitrification test device, and belongs to the technical field of sewage treatment.
Background
A large amount of reverse osmosis concentrated water generated in sewage treatment generally has the characteristics of poor biodegradability and high salinity, COD and TN cannot meet the discharge standard, and deep denitrification and COD removal treatment are required. Various organic and inorganic pollutants contained in the sewage can pollute soil, surface water, ocean and the like if the sewage is directly discharged; if the sludge is discharged into a municipal sewage treatment system, the excessive total nitrogen and total soluble solids are very unfavorable for the growth of the activated sludge; discharging the highly concentrated RO concentrated water and the chemical substances introduced by the cleaning agent and the scale inhibitor directly into the environment will also inevitably have adverse effects. In the process of treating reverse osmosis concentrated water, a 'high salt content biological denitrification reactor (HSNR)' process is adopted to treat the reverse osmosis concentrated water so as to remove the total nitrogen index in the wastewater; and (2) after the HSNR process, accessing a high-efficiency bioreactor (HBR for short) process to treat the HSNR effluent and remove the COD index in the water. However, for implementation and construction of large-scale equipment, the process feasibility needs to be fully verified, and the optimal process parameters need to be determined.
Disclosure of Invention
Therefore, the invention aims to provide a high-salinity denitrification test device to simulate the process.
In order to achieve the purpose, the high-salt-content denitrification test device comprises a raw water blending water tank, a high-salt-content biological denitrification reactor, an intermediate water tank, a high-efficiency bioreactor and a water production tank which are sequentially connected through pipelines; the raw water blending water tank is provided with a first automatic dosing system, and the first automatic dosing system comprises a first water quality online detection device, a first stirrer and a first metering dosing pump; the middle water tank is provided with a second automatic dosing system, and the second automatic dosing system comprises a second water quality online detection device, a second stirrer and a second metering dosing pump.
The water production tank is respectively connected with the high-salt-content biological denitrification reactor and the high-efficiency bioreactor through a backwashing water inlet pipe, and a backwashing pump is arranged on the backwashing water inlet pipe; the high-salt-content biological denitrification reactor and the high-efficiency biological reactor are respectively connected with the raw water blending water tank through backwashing water discharge pipes.
The water production tank is connected with the raw water blending water tank through a return pipe, and a return pump is arranged on the return pipe.
The high-salt-content biological denitrification reactor and the high-efficiency biological reactor are respectively provided with lining epoxy resin, and the outside is provided with a heat tracing band and a temperature controller.
The high-efficiency bioreactor is connected with the Roots blower through a process aeration pipe and a backwashing aeration pipe.
The first automatic dosing system further comprises a first PLC controller, and the first PLC controller is connected to the first water quality online detection device and the first metering dosing pump.
The second automatic dosing system further comprises a second PLC controller, and the second PLC controller is connected to the second water quality online detection device and the second metering dosing pump.
The first water quality online detection device and the second water quality online detection device respectively comprise a pH value probe, an ORP value probe, a conductivity value probe, a residual chlorine value probe and/or a turbidity value probe.
And a pipeline pump, a rotor flow meter and a sampling point are respectively arranged on connecting pipelines among the raw water blending water tank, the high-salt-content biological denitrification reactor, the intermediate water tank, the high-efficiency bioreactor and the water production tank.
The high salt-containing denitrification test device further comprises a container, and the high salt-containing biological denitrification reactor, the middle water tank and the high-efficiency bioreactor are arranged in the container.
By adopting the technical scheme, the high-salt-content denitrification test device provided by the invention can be used for simulating the treatment of strong brine by adopting a high-salt-content biological denitrification reactor process, removing the total nitrogen index in wastewater, then accessing a high-efficiency biological reactor process for treatment, removing the COD index in water, and performing tests through an experimental device, so that the feasibility of the process can be verified, and meanwhile, the optimal process parameters can be conveniently determined. The high-salt-content denitrification test device disclosed by the invention is high in treatment load, does not need to discharge sludge, and reduces waste; the whole volume is small, and the rapid disassembly, assembly and transportation are convenient; the experimental water is recycled, so that the energy is saved and the environment is protected; the circulating water automatic monitoring and automatic dosing system of the raw water blending water tank realizes the accurate proportioning and the accurate blending of the raw water for experiments; the experimental device can realize denitrification of water with high salt content.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Fig. 2 is a schematic view of the container arrangement of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description.
As shown in fig. 1 and 2, the high-salt-content denitrification test device according to the present invention sequentially comprises a raw water preparation tank 1, a high-salt-content biological denitrification reactor 2 (HSNR reactor 2 for short), an intermediate water tank 3, a high-efficiency biological reactor 4 (HBR reactor 4 for short), a water production tank 5, various accessories, and a container 6 according to a process flow.
Raw water allotment water tank 1 is provided with first automatic reagent feeding system, first automatic reagent feeding system includes first quality of water on-line measuring device, first agitator, first measurement dosing pump 11 and first PLC controller 12. First quality of water on-line measuring device includes pH value probe, ORP value probe, conductivity probe, residual chlorine value probe and turbidity value probe, but automatic on-line measuring water quality change, including pH value, ORP value, conductivity, residual chlorine value, turbidity value, first PLC controller 12 is according to the feedback of each numerical value, but the automatic control measures opening and stopping of medicine system and adds the dose size, can add various medicaments in the raw water according to different process requirements, allot the required raw water quality of water of experiment, be convenient for more accurate control, record experiment parameter, first automatic reagent feeding system is furnished with the measuring pump that possesses automatic stroke regulatory function, can accurately adjust the dose according to first PLC controller 12 output signal, first PLC controller 12 can be according to different experimental demands, configuration programming in advance to realize one set of system multiple use, optimize resource utilization.
The inside of the HSNR reactor 2 is provided with a filler, a support and a backwashing system, the inside lining of the HSNR reactor 2 is made of salt-resistant and corrosion-resistant epoxy resin so as to deal with corrosion of different water qualities to the reactor, and the filler is a special activated carbon carrier so as to facilitate growth of salt-resistant denitrification organisms.
The middle water tank 3 is provided with a second automatic dosing system, and the second automatic dosing system comprises a second water quality online detection device, a second stirrer, a second metering dosing pump 31 and a second PLC (programmable logic controller) 32. The second water quality on-line detection device comprises a pH value probe, an ORP value probe, a conductivity value probe, a residual chlorine value probe and a turbidity value probe, can automatically detect water quality changes on line, comprises a pH value, an ORP value, a conductivity value, a residual chlorine value and a turbidity value, can automatically detect water quality changes on line, comprises the pH value, the ORP value, the conductivity value, the residual chlorine value and the turbidity value, the second PLC controller 32 can automatically control the start and stop of the metering and dosing system and the dosing quantity according to the feedback of each numerical value, can add various medicaments into the intermediate water according to different process requirements, can allocate water quality required by experiments, is convenient for more accurate control and recording experiment parameters, the first automatic dosing system is provided with a metering pump with an automatic stroke adjusting function, can accurately adjust the dosing quantity according to the output signal of the second PLC controller 32, and the second PLC controller 32 can meet different experiment requirements, the configuration programming is carried out in advance to realize multiple purposes of a set of system and optimize the resource utilization rate.
The HBR reactor 4 is internally provided with filler, a functional carrier, an aeration filter plate filter head, a backwashing system and the like, the backwashing system is divided into a gas washing system and a water washing system, the gas washing system is connected with an aerator (a Roots blower 7) through a process aeration pipe 41 and a backwashing aeration pipe 42, the aeration filter head can be washed by large amount of water instantly to prevent the filter head from being blocked, the washing system is connected with a water production tank 5, water can be saved firstly, and then the carrier can be stirred by large amount of water backwashing to completely wash suspended matters such as SS (suspended substances) in the carrier, the backwashing flow direction of the backwashing system is the same as that of the process water flow direction, the design is different from that of a conventional backwashing system, and the carrier is stirred to increase the biological activity under the condition that the process water flow. The HSNR reactor 2 is lined with salt-resistant and corrosion-resistant epoxy resin to cope with corrosion of different water qualities to the reactor.
The water production tank 5 is respectively connected with the high-salt-content biological denitrification reactor 2 and the high-efficiency bioreactor 4 through a backwashing water inlet pipe 51, and a backwashing pump 81 is arranged on the backwashing water inlet pipe 51; the high-salt-content biological denitrification reactor 2 and the high-efficiency bioreactor 4 are respectively connected with the raw water blending water tank 1 through a backwashing water discharge pipe 53. The water producing tank 5 is connected to the raw water blending tank 1 through a return pipe, and a return pump 82 is provided on the return pipe 52. The water production tank 5 is provided with a backwashing pump 81 and a reflux pump 82, so that the water recycling of the system is met, the stored water in the water production tank 5 is the water quality meeting the discharge requirement after being treated by the system, the backwashing water pump is used for the backwashing water of HSNR and HBR, and the residual water is discharged into the raw water blending tank 1 by the reflux pump, so that the purpose of recycling the water quantity in the experimental device is achieved.
The HSNR reactor 2 and the HBR reactor 4 are provided with lining epoxy resin, are salt-resistant and corrosion-resistant, and are externally temperature-regulated and heat-insulated by adopting a heat tracing band and a temperature controller so as to realize the temperature control of the reactors.
The heat sink detection and control system 9 is connected to the HSNR reactor 2 and the HBR reactor 4, and the HSNR reactor 2 and the HBR reactor 4 are connected to the heat sink detection and control system through the temperature changer 91, respectively.
And a pipeline pump 101, a rotor flow meter 102 and a sampling point 103 are respectively arranged on connecting pipelines among the raw water blending water tank 1, the high-salt-content biological denitrification reactor 2, the intermediate water tank 3, the high-efficiency bioreactor 4 and the water production tank 5.
The complete set of equipment, the supporting equipment and the integrated container 6 are integrated in the container 6 with the length of 12 m multiplied by 2.4 m, so as to meet the requirements of hoisting transportation and quick assembly disassembly transportation at any time, the integration refers to equipment except the original water tank and the produced water tank 5, and comprises an HSNR (hydrogen sulfide nuclear reactor) reactor 2, an intermediate water tank 3, an HBR (hydrogen bromide) reactor 4, a second metering dosing pump 31, a second PLC (programmable logic controller) 32, a first metering dosing pump 11, a first PLC (programmable logic controller) 12 and a medicament box 104
All integrated in same container 6, container 6 and former water tank, produce water tank 5 and realize the high-speed joint with the flange form.
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 therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a high salt denitrogenation test device that contains which characterized in that: comprises a raw water blending water tank, a high-salt-content biological denitrification reactor, an intermediate water tank, a high-efficiency bioreactor and a water production tank which are sequentially connected through pipelines; the raw water blending water tank is provided with a first automatic dosing system, and the first automatic dosing system comprises a first water quality online detection device, a first stirrer and a first metering dosing pump; the middle water tank is provided with a second automatic dosing system, and the second automatic dosing system comprises a second water quality online detection device, a second stirrer and a second metering dosing pump.
2. The high salt content denitrification test device according to claim 1, wherein: the water production tank is respectively connected with the high-salt-content biological denitrification reactor and the high-efficiency bioreactor through a backwashing water inlet pipe, and a backwashing pump is arranged on the backwashing water inlet pipe; the high-salt-content biological denitrification reactor and the high-efficiency biological reactor are respectively connected with the raw water blending water tank through backwashing water discharge pipes.
3. The high salt content denitrification test device according to claim 1, wherein: the water production tank is connected with the raw water blending water tank through a return pipe, and a return pump is arranged on the return pipe.
4. The high salt content denitrification test device according to claim 1, wherein: the high-salt-content biological denitrification reactor and the high-efficiency biological reactor are respectively provided with lining epoxy resin, and the outside is provided with a heat tracing band and a temperature controller.
5. The high salt content denitrification test device according to claim 1, wherein: the high-efficiency bioreactor is connected with the Roots blower through a process aeration pipe and a backwashing aeration pipe.
6. The high salinity denitrification test apparatus of any one of claims 1-5, wherein: the first automatic dosing system further comprises a first PLC controller, and the first PLC controller is connected to the first water quality online detection device and the first metering dosing pump.
7. The high salinity denitrification test apparatus of any one of claims 1-5, wherein: the second automatic dosing system further comprises a second PLC controller, and the second PLC controller is connected to the second water quality online detection device and the second metering dosing pump.
8. The high salinity denitrification test apparatus of any one of claims 1-5, wherein: the first water quality online detection device and the second water quality online detection device respectively comprise a pH value probe, an ORP value probe, a conductivity value probe, a residual chlorine value probe and/or a turbidity value probe.
9. The high salinity denitrification test apparatus of any one of claims 1-5, wherein: and a pipeline pump, a rotor flow meter and a sampling point are respectively arranged on connecting pipelines among the raw water blending water tank, the high-salt-content biological denitrification reactor, the intermediate water tank, the high-efficiency bioreactor and the water production tank.
10. The high salinity denitrification test apparatus of any one of claims 1-5, wherein: the high salt-containing denitrification test device further comprises a container, and the high salt-containing biological denitrification reactor, the middle water tank and the high-efficiency bioreactor are arranged in the container.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010537999.9A CN111606410A (en) | 2020-06-12 | 2020-06-12 | High salt denitrification test device that contains |
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| CN202010537999.9A CN111606410A (en) | 2020-06-12 | 2020-06-12 | High salt denitrification test device that contains |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183455A (en) * | 2013-04-11 | 2013-07-03 | 中蓝连海设计研究院 | Device and method for biologically denitrifying wastewater with high salinity |
| CN107337325A (en) * | 2017-09-04 | 2017-11-10 | 北京城市排水集团有限责任公司 | The integral anaerobic ammonium oxidation apparatus and its operation method of a kind of Treating Municipal Sewage |
| CN109775849A (en) * | 2019-02-18 | 2019-05-21 | 中电环保股份有限公司 | A kind of advanced nitrogen waste water treatment system and technique |
| CN209010224U (en) * | 2018-06-08 | 2019-06-21 | 广州市华绿环保科技有限公司 | A kind of container high-efficient deamination nitrogen equipment |
| CN209210575U (en) * | 2018-09-12 | 2019-08-06 | 陕西秦邦环保科技股份有限公司 | High saliferous organic wastewater with difficult degradation thereby reaches the processing system of IV class water quality of earth's surface |
| CN212356704U (en) * | 2020-06-12 | 2021-01-15 | 天津德鑫石化设备有限公司 | High salt denitrification test device that contains |
-
2020
- 2020-06-12 CN CN202010537999.9A patent/CN111606410A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183455A (en) * | 2013-04-11 | 2013-07-03 | 中蓝连海设计研究院 | Device and method for biologically denitrifying wastewater with high salinity |
| CN107337325A (en) * | 2017-09-04 | 2017-11-10 | 北京城市排水集团有限责任公司 | The integral anaerobic ammonium oxidation apparatus and its operation method of a kind of Treating Municipal Sewage |
| CN209010224U (en) * | 2018-06-08 | 2019-06-21 | 广州市华绿环保科技有限公司 | A kind of container high-efficient deamination nitrogen equipment |
| CN209210575U (en) * | 2018-09-12 | 2019-08-06 | 陕西秦邦环保科技股份有限公司 | High saliferous organic wastewater with difficult degradation thereby reaches the processing system of IV class water quality of earth's surface |
| CN109775849A (en) * | 2019-02-18 | 2019-05-21 | 中电环保股份有限公司 | A kind of advanced nitrogen waste water treatment system and technique |
| CN212356704U (en) * | 2020-06-12 | 2021-01-15 | 天津德鑫石化设备有限公司 | High salt denitrification test device that contains |
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