CN110642386A - On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device - Google Patents
On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device Download PDFInfo
- Publication number
- CN110642386A CN110642386A CN201911034140.XA CN201911034140A CN110642386A CN 110642386 A CN110642386 A CN 110642386A CN 201911034140 A CN201911034140 A CN 201911034140A CN 110642386 A CN110642386 A CN 110642386A
- Authority
- CN
- China
- Prior art keywords
- tank
- ammonia nitrogen
- microprocessor
- rare earth
- facultative
- 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.)
- Pending
Links
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 239000002351 wastewater Substances 0.000 title claims abstract description 61
- 230000000813 microbial effect Effects 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 241000894006 Bacteria Species 0.000 claims abstract description 46
- 238000012544 monitoring process Methods 0.000 claims abstract description 44
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 36
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 239000003002 pH adjusting agent Substances 0.000 claims abstract description 23
- 244000005700 microbiome Species 0.000 claims abstract description 21
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- 241000233866 Fungi Species 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 claims description 3
- 230000002906 microbiologic effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 238000009423 ventilation Methods 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 11
- 238000000605 extraction Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000001651 autotrophic effect Effects 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000005086 pumping Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 240000002900 Arthrospira platensis Species 0.000 description 4
- 235000016425 Arthrospira platensis Nutrition 0.000 description 4
- 241000195649 Chlorella <Chlorellales> Species 0.000 description 4
- 241000168525 Haematococcus Species 0.000 description 4
- 241000195663 Scenedesmus Species 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 230000009615 deamination Effects 0.000 description 4
- 238000006481 deamination reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000001963 growth medium Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 229940082787 spirulina Drugs 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 241000206618 Porphyridium Species 0.000 description 3
- 241000190967 Rhodospirillum Species 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000243 photosynthetic effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 206010015866 Extravasation Diseases 0.000 description 1
- 239000007836 KH2PO4 Substances 0.000 description 1
- 241000605894 Porphyromonas Species 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 241000605008 Spirillum Species 0.000 description 1
- 241001052560 Thallis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 229940041514 candida albicans extract Drugs 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XHFLOLLMZOTPSM-UHFFFAOYSA-M sodium;hydrogen carbonate;hydrate Chemical compound [OH-].[Na+].OC(O)=O XHFLOLLMZOTPSM-UHFFFAOYSA-M 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000012138 yeast extract Substances 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
-
- 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
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- 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
- C02F2209/02—Temperature
-
- 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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- 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
- C02F2209/14—NH3-N
-
- 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
- C02F2209/22—O2
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Botany (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a device for treating rare earth ammonia nitrogen wastewater based on vehicle-mounted microorganisms. The vehicle-mounted treatment system comprises a flat truck, a wastewater treatment tank, a ventilation mixing device, a bacteria liquid adding system, a temperature control system, a pH adjusting agent adding system and a monitoring control system, wherein the wastewater treatment tank, the ventilation mixing device and the pH adjusting agent adding system are sequentially distributed on a flat plate type carriage of the flat truck, and the ventilation mixing device, the pH adjusting agent adding system and the bacteria liquid adding system are respectively connected with the treatment tank through corresponding gas conveying pipes, liquid conveying pipes and conveying pipes. The invention adopts a large or medium flat truck, and can treat tail water in a short distance according to the characteristic of dispersed sites of tail water treatment. The treated tail water is superior to the requirement of the national emission standard of rare earth industrial pollutants. The ton treatment cost is extremely low, the benefit is extremely obvious, and the method is more convenient to popularize and apply.
Description
Technical Field
The invention relates to a device for treating rare earth ammonia nitrogen wastewater based on vehicle-mounted microorganisms.
Background
The ionic rare earth in south China is a valuable non-renewable important strategic resource, currently, an in-situ mineral leaching mining process is mainly adopted, ammonium sulfate is used as a mineral leaching agent, a large amount of tail water containing high-concentration ammonia nitrogen and waste water brought out by extravasation or rainwater (hereinafter referred to as ammonia nitrogen waste water) are remained after mining of mines, and the ammonia nitrogen waste water can affect local surface water quality for over ten years, so that a matched ammonia nitrogen purification treatment technology which is efficient, safe, economical and feasible is needed. The prior art for treating ammonia nitrogen wastewater at home and abroad mainly comprises an ammonia evaporation method, a breakpoint chlorine method, a chemical precipitation method, a reverse osmosis membrane method, a biological deamination method and the like, wherein the biological deamination method has relatively low cost, but the prior strain has high demand on carbon sources, rare earth tail water hardly contains carbon sources, needs to be supplemented with a large amount of sugar carbon sources, has very high cost and cannot be popularized and applied in industry. On the other hand, as the 'in-situ' ore leaching mining process is mainly adopted, the remained and discharged ammonia nitrogen tail water is dispersed, the centralized treatment engineering amount of the dispersed ammonia nitrogen tail water is larger, the investment cost is more, and the cost is high. Therefore, the environmental problem caused by ammonia nitrogen pollution becomes a critical problem in the whole industry which limits the development of the rare earth industry in China. The invention separates and breeds photoautotrophic microbe to use CO in air2The method is a carbon source, uses sunlight as an energy source, absorbs a large amount of ammonia nitrogen, synthesizes an organic carbon source and thalli for the growth and deamination of the subsequent nitrification and denitrification microorganisms, does not need any sugar supplement process, finally purifies the ammonia nitrogen in the rare earth mining sewage to be below 15mg/L required by the national emission standard of rare earth industrial pollutants (GB26451-2011), realizes no need of an additional sugar carbon source, radically reduces the treatment cost of the ammonia nitrogen, and lays a foundation for the healthy and stable development of the rare earth industry.
The deamination and denitrification reaction mechanism and the participating microorganism groups are as follows:
disclosure of Invention
Aiming at the condition of the prior art, the invention aims to provide a vehicle-mounted device for treating rare earth ammonia nitrogen wastewater by using microorganisms, which can run for a long time, is convenient to move, can be repeatedly used and effectively plays a role in purifying water.
In order to achieve the technical purpose, the invention adopts the technical scheme that:
the device for treating the rare earth ammonia nitrogen wastewater by the vehicle-mounted microorganisms comprises a flat-bed truck, a wastewater treatment tank, a ventilation mixing device, a bacteria liquid adding system, a temperature control system, a pH adjusting agent adding system and a monitoring control system, wherein an air blower of the wastewater treatment tank, an air blower of the ventilation mixing device, a bacteria liquid tank in the bacteria liquid system and a pH adjusting agent storage tank in the pH adjusting agent adding system are sequentially distributed on a flat-bed carriage of the flat-bed truck. The aeration mixing device, the pH adjusting agent adding system and the bacteria liquid adding system are respectively connected with the treatment pool through corresponding gas conveying pipes, liquid conveying pipes and conveying pipes.
The wastewater treatment tank is formed by connecting a facultative tank, an anaerobic tank and an aerobic tank in series respectively; the facultative tank and the anaerobic tank and the aerobic tank are connected through an upper overflow pipe, the facultative tank-anaerobic tank water pump and the anaerobic tank-aerobic tank water pump.
The aeration mixing device consists of an air blower, an air pipe and an aeration disc or an air delivery hole, wherein the aeration disc is distributed in the facultative tank and the anaerobic tank, the aeration is favorable for stirring water, and the air delivery hole is arranged at the bottom of the aerobic tank and is favorable for dissolving oxygen. The gas pipe is respectively connected with the aeration discs and the gas transmission holes at the bottoms of the facultative tank, the anaerobic tank and the aerobic tank through an automatic control flow divider valve.
The fungus liquid addition system comprises fungus liquid jar, fungus liquid transfer pump, flowmeter, transfer line, is provided with the automatic control flow divider in the transfer line, and the transfer line that links to each other with the fungus liquid jar passes through the automatic control flow divider and opens respectively in facultative tank, anaerobism pond and aerobic tank.
The pH adjusting agent adding system is composed of a pH adjusting agent storage tank, a delivery pump, a delivery pipe and a flowmeter, wherein an automatic control diverter valve is arranged in the delivery pipe, and the delivery pipe connected with the storage tank is respectively opened in a facultative tank, an anaerobic tank and an aerobic tank through the automatic control diverter valve.
The monitoring control system consists of a monitoring system and a controller, and the controller is connected with the bacteria liquid adding system, the aeration mixing device and the pH adjusting agent adding system; the controller is provided with a microprocessor, wherein the microprocessor internally comprises a memory and an analog-to-digital converter, or the memory and the analog-to-digital converter are expanded outside the microprocessor according to requirements.
The monitoring system consists of an ammonia nitrogen on-line monitoring sensor, a pH value on-line monitoring sensor and a dissolved oxygen on-line monitoring sensor. The microprocessor is respectively connected with the ammonia nitrogen online monitoring sensor, the pH value online monitoring sensor and the dissolved oxygen online monitoring sensor, the microprocessor receives ammonia nitrogen content, pH value and dissolved oxygen data of the sensors at regular time, and the microprocessor determines whether to start a pH adjusting agent input pump in the pH adjusting agent adding system and an air blower in the aeration mixing device according to the obtained data. Meanwhile, a pH value on-line monitoring sensor monitors the pH value in real time, and once the excessive microprocessor is found, the pH adjusting agent is controlled to be added to correct the pH.
The ammonia nitrogen on-line monitoring sensor is positioned in the water body on the inner side wall of the facultative tank, the anaerobic tank and the aerobic tank treatment tank, is connected with the microprocessor through a signal transmission lead, and sends concentration data to the microprocessor in real time. When the ammonia nitrogen concentration value reaches a set value, the microprocessor sends an instruction, the bacteria liquid infusion pump is started, and the bacteria liquid adding system automatically injects the photoautotrophic mixed bacteria liquid with a unit volume into the corresponding treatment pool, so that the bacteria liquid concentration and the action capacity in the water body of the treatment pool are improved.
The pH value on-line monitoring sensor is positioned in a water body on the inner side wall of the tail water treatment tank, is connected with the microprocessor through a signal transmission lead, and sends pH value data to the microprocessor in real time.
The dissolved oxygen on-line monitoring sensor is positioned in the water body on the inner side walls of the facultative tank and the aerobic tank, is connected with the microprocessor through a signal transmission lead, and sends dissolved oxygen data of the facultative tank and the aerobic tank to the microprocessor in real time.
The device for treating the rare earth ammonia nitrogen wastewater by using the vehicle-mounted microorganism provided by the invention is used for treating the rare earth ammonia nitrogen wastewater, and comprises the following steps:
(1) conveying the relatively concentrated high-pollution ammonia nitrogen wastewater to be treated in the rare earth mining area to a facultative tank of a vehicle-mounted treatment system through an external water pump, and synchronously injecting the photoautotrophic mixed bacteria liquid into the facultative tank through a bacteria liquid adding system; the adding amount of the ammonia nitrogen wastewater and the photoautotrophic mixed bacterial liquid is 9: 1 in a volume ratio;
(2) after the facultative tank is filled with the ammonia nitrogen wastewater to be treated and the photoautotrophic mixed bacteria liquid, starting a ventilation mixing device in the vehicle-mounted treatment system, and continuously ventilating, stirring and uniformly mixing the water body in the facultative tank;
(3) after ventilating for 5-10 minutes, starting a monitoring control system in the vehicle-mounted treatment system, and measuring the pH value, oxygen content and water temperature of the water body in the facultative tank;
(4) after the water body index in the facultative tank meets the requirement, continuously ventilating for 24-100 hours, and measuring the ammonia nitrogen content in the facultative tank in the period; when the ammonia nitrogen content in the facultative tank is less than 100mg/L, continuously injecting ammonia nitrogen wastewater to be treated into the facultative tank; when the ammonia nitrogen content of the facultative tank is more than or equal to 100mg/L, the continuous aeration time is prolonged until the ammonia nitrogen content is less than 100 mg/L;
(5) the water body of the facultative tank overflows into the anaerobic tank through an upper overflow hole between the facultative tank and the anaerobic tank, and when the anaerobic tank is filled with water, the water body of the anaerobic tank overflows into the aerobic tank through the upper overflow hole between the anaerobic tank and the aerobic tank;
(6) the aeration mixing devices arranged in the anaerobic tank and the aerobic tank are automatically started to continuously aerate and stir the water body, and meanwhile, the control system also tracks and monitors the pH value, ammonia nitrogen and water temperature data of the water body in the anaerobic tank, the pH value, ammonia nitrogen, oxygen content and water temperature data of the water body in the aerobic tank in real time; monitoring corresponding index data every 10min by the vehicle-mounted processing system, and displaying the data on a display screen;
(7) the ammonia nitrogen wastewater to be treated in the aerobic tank is discharged to the outside through an upper discharge pipe of the tail water of the aerobic tank;
(8) when the extraction of the relatively concentrated high-pollution ammonia nitrogen wastewater to be treated is finished, closing an ammonia nitrogen wastewater inlet water pump to be treated, simultaneously starting a facultative tank-anaerobic tank emptying water pump, pumping the water body in the facultative tank into an anaerobic tank, and finishing the extraction within 8-24 hours;
(9) closing the facultative tank-anaerobic tank emptying water pump, starting the anaerobic tank-aerobic tank emptying water pump at the same time, pumping the water body in the anaerobic tank into the aerobic tank, and finishing pumping within 6-18 hours;
(10) and (5) staying for 5-24 hours, and opening the aerobic tank tail water emptying lower valve to discharge the tail water in the aerobic tank outwards.
Through detection, the ammonia nitrogen content in the finally treated rare earth mining wastewater reaches 4mg/L at least and 14mg/L at most, and is superior to the requirement of 15mg/L in the national emission Standard of pollutants for the rare earth industry (GB 26451-2011).
The photosynthetic autotrophic bacteria liquid is formed by mixing autotrophic bacteria and heterotrophic bacteria in equal volume ratio.
The autotrophic bacteria refer to chlorella, scenedesmus, spirulina, porphyridium and haematococcus, and are mixed according to equal volume ratio.
The heterotrophic bacteria consist of rhodospirillum and vivipula, and are mixed according to the equal volume ratio.
The chlorella, scenedesmus, porphyridium and haematococcus are cultured by using BG11 culture medium, and the spirulina is cultured by using Zarrouk culture medium.
The photosynthetic bacteria such as rhodospirillum, green spirillum and the like are cultured by the following formula: NH (NH)4C1 1.0g，CH3COONa 3.5g，MgC12 0.1g，CaC12 0.1g，KH2PO4 0.6g，K2HPO40.4g, 0.1g of yeast extract, 1000mI of water and 7.2 of pH value.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the invention effectively monitors the wastewater treatment condition in the wastewater system in real time through the ammonia nitrogen on-line monitoring sensor, the pH value on-line monitoring sensor and the dissolved oxygen on-line monitoring sensor which are assembled in the treatment system.
2. The invention adopts a large or medium flat truck as a basic carrier, has the characteristic of mobility, can treat wastewater in a short distance according to the characteristic of dispersed sites of wastewater treatment, can be transferred to another site after the treatment of one site, and effectively avoids the investment of more construction funds brought by the concentration of wastewater. Meanwhile, the large or medium flat truck can directly provide a necessary working power supply for the wastewater treatment process, and the application environment is wider. And an environment-friendly treatment pool is not required to be additionally built, and the environmental vegetation is not damaged.
3. The treatment method provided by the invention has extremely obvious effect, the ammonia nitrogen index after treatment can be reduced to 4mg/L and only reaches 14mg/L at most, and the treatment method meets the requirements of the national emission standard of rare earth industrial pollutants (GB 26451-2011).
4. The treatment cost of the waste water per ton is extremely low, which is only one tenth of that of the existing microorganism sugar supplement treatment method, the benefit is extremely obvious, and the method is more convenient to popularize and apply.
Drawings
The invention will be further elucidated with reference to the drawings and the detailed description:
FIG. 1 is a schematic diagram of the design principle of a vehicle-mounted type device for treating rare earth ammonia nitrogen wastewater by microorganisms according to the invention;
FIG. 2 is a schematic diagram of the design principle of a pH adjusting agent adding system in the vehicle-mounted type device for treating the rare earth ammonia nitrogen wastewater by the microorganisms;
FIG. 3 is a schematic diagram of the design principle of a ventilation mixing device in the vehicle-mounted device for treating the rare earth ammonia nitrogen wastewater by the microorganisms;
FIG. 4 is a schematic diagram of the design principle of a photoautotrophy mixed bacteria liquid adding system in the vehicle-mounted device for treating the rare earth ammonia nitrogen wastewater by the microorganisms;
fig. 5 is a schematic diagram of the working principle of the monitoring system and the controller in the monitoring and control system according to the present invention.
Detailed Description
For a better understanding of the present invention, reference will now be made to the following descriptions taken in conjunction with the accompanying drawings.
In the figure 1, 1 is an external water pump in a vehicle-mounted device for treating rare earth ammonia nitrogen wastewater by microorganisms, and relatively concentrated high-pollution ammonia nitrogen wastewater in a rare earth mining area is conveyed into a facultative tank through the external water pump (1); 2, a regulating agent conveying pipe in the pH regulating agent adding system, wherein the conveying pipe (2) is respectively arranged at the bottoms of the facultative tank, the anaerobic tank and the aerobic tank; a facultative tank which is one of the wastewater treatment tanks; 4 is a facultative tank-anaerobic tank water pump; 5 are electric heaters which are respectively arranged at the bottoms of the facultative tank (3), the anaerobic tank and the aerobic tank; 6 is an anaerobic tank; 7 is an anaerobic tank-aerobic tank water pump; 8 is an aerobic tank; 9 is an air delivery hole of the aeration mixing device, and is arranged at the bottom of the aerobic tank (8); 10 is an upper overflow hole of the aerobic tank (8); 11 is a tail water discharge pipe of the aerobic tank (8); 12 is a ph adjusting medicament storage tank; 13 is a blower; 14 is a lower valve for emptying tail water of the aerobic tank (8); 15 is a tail water emptying discharge pipe of the aerobic tank (8); 16 is an upper overflow hole between the anaerobic tank and the aerobic tank; 17 is an upper overflow hole between the facultative tank (3) and the anaerobic tank (6).
In fig. 2, 12 is a ph adjusting agent storage tank; 18 is a ph adjusting drug delivery pump; 19 is an automatically controlled diverter valve; 20 is an infusion tube; 21 is a ph regulating agent flow meter.
In fig. 3, 13 is a blower; 22 is a gas delivery pipe; 23 is an automatic control flow divider, 24 is an aeration disc, and 2 aeration discs are respectively arranged at the bottom of the facultative tank (3) and the anaerobic tank (6).
In FIG. 4, 25 is a mixed bacteria liquid storage tank; 26 is a mixed bacteria liquid conveying water pump; 27 is a mixed bacteria liquid flowmeter; 28 is one of the mixed bacteria liquid conveying pipes, and the mixed bacteria liquid conveying pipe (28) is opened in the facultative tank (3).
In fig. 5, 29 is an ammonia nitrogen on-line monitoring sensor in the monitoring system, and the ammonia nitrogen on-line monitoring sensor (29) is respectively arranged at the bottom of the facultative tank (3), the anaerobic tank (6) and the aerobic tank (8); 30 is a pH value on-line monitoring sensor which is respectively arranged at the bottom of the facultative tank (3), the anaerobic tank (6) and the aerobic tank (8); 31 are dissolved oxygen on-line monitoring sensors which are respectively arranged at the bottoms of the facultative tank (3) and the aerobic tank (8).
Example 1
1. Preparation of photoautotrophic mixed bacterial liquid
According to the technical scheme, autotrophic bacteria and heterotrophic bacteria are mixed in equal volume ratio for standby.
The autotrophic bacteria are Chlorella, Scenedesmus, Spirulina, Porphyromonas and Haematococcus.
The heterotrophic bacteria are Rhodospirillum and Lvospirillum.
The chlorella, scenedesmus, porphyridium and haematococcus are cultured by using BG11 culture medium, and the spirulina is cultured by using Zarrouk culture medium.
2. preparation of pH-regulating agent
Mixing quicklime and water according to the weight ratio of 1: 10, mixing and dissolving for later use.
3. Vehicle-mounted processing system
As shown in fig. 1, wherein: the specification of the facultative tank (3), the anaerobic tank (6) and the aerobic tank (8) is 3000mm (length) x 2000mm (width) x 2200mm (height); the height of the overflow pipe from the bottom of the pool to the upper part is 2000 mm.
The effective volumes of the facultative tank (3), the anaerobic tank (6) and the aerobic tank (8) are respectively 3000mm (length) x 2000mm (width) x 2000mm (height) as 12M3。
4. Treatment of ammonia nitrogen wastewater
1) Extracting the highly polluted ammonia nitrogen wastewater to be treated in a relatively concentrated mining area, and detecting the ammonia nitrogen concentration. Through measurement, the concentration (NQ) of the ammonia nitrogen wastewater to be treated extracted by the embodiment is as follows: 860 mg/L.
2) 10.8M water pump is arranged outside3Conveying the relatively concentrated high-pollution ammonia nitrogen wastewater to be treated in the rare earth mining area to a facultative tank (3) of a vehicle-mounted treatment system, and simultaneously adding 1.2M of ammonia nitrogen wastewater into a bacteria liquid adding system3The photoautotroph heterotrophic mixed bacteria liquid is synchronously injected into the facultative tank (3).
3) After the facultative tank (3) is filled with the ammonia nitrogen wastewater to be treated and the photoautotrophic heterotrophic mixed bacteria liquid, the aeration mixing device in the vehicle-mounted treatment system is started, and the water body in the facultative tank (3) is continuously aerated, stirred and uniformly mixed.
4) After ventilating for 10 minutes, starting a monitoring control system in the vehicle-mounted treatment system, and measuring the pH value, the oxygen content and the water temperature of the water body in the facultative tank (3), wherein the data is that the water temperature is 22 ℃, the oxygen content is 1.8mg/L, pH, the value is equal to 7.4, the normal range is reached, and the treatment requirement is met.
5) After the water body index in the facultative tank (3) meets the requirement, continuously ventilating, and continuously injecting the ammonia nitrogen wastewater to be treated into the facultative tank when the ammonia nitrogen content in the facultative tank is 89mg/L after continuously ventilating for 65 hours. According to the technical scheme:calculated amount, the volume of the ammonia nitrogen wastewater to be treated injected in the daily period is 5.02M3(flow rate: 0.2M)3/h)。
6) In the process of continuously injecting ammonia nitrogen wastewater to be treated into the facultative tank (3), water in the facultative tank (3) overflows into the anaerobic tank (6) through the overflow holes (17), and after the anaerobic tank (6) is filled, water in the anaerobic tank (6) overflows into the aerobic tank (8) through the overflow holes (16).
7) When a water body enters the anaerobic tank (6) or the aerobic tank (8), the aeration mixing device arranged in the anaerobic tank (6) and the aerobic tank (8) is automatically started to continuously aerate and stir the water body, and meanwhile, the control system also tracks and monitors the pH value and the water temperature data of the water body in the anaerobic tank and the pH value, the oxygen content and the water temperature data of the water body in the aerobic tank in real time.
8) The water body in the aerobic tank (8) discharges the treated tail water outwards through an upper overflow hole (10) and a tail water discharge pipe (11) of the aerobic tank (8);
through real-time monitoring, in the whole process, the concentration of the tail water ammonia nitrogen discharged to the outside through the tail water discharge pipe (11) is always stable between 8 and 12 mg/L.
9) After the extraction of the ammonia nitrogen wastewater to be treated with relatively concentrated high pollution is finished, the ammonia nitrogen wastewater inlet water pump to be treated is closed, and simultaneously, the facultative tank-anaerobic tank emptying water pump (4) is started to pump the water body in the facultative tank (3) into the anaerobic tank (6), and the extraction is finished within 10 hours.
10) And after 10 hours, closing the facultative tank-anaerobic tank emptying water pump (4), starting the anaerobic tank-aerobic tank emptying water pump (7), pumping the water body in the anaerobic tank (6) into the aerobic tank (8), and finishing pumping within 11 hours.
11) After the extraction is finished, the interval is 10 hours, and then the tail water emptying lower valve (14) of the aerobic tank (8) is opened to discharge the tail water in the aerobic tank (8) outwards.
Through tracking detection, the concentration of ammonia nitrogen in tail water discharged outwards by the emptying lower valve (14) is always stabilized at 4-7 mg/L, which is superior to the requirement of 15mg/L in the national emission standard of rare earth industrial pollutants (GB 26451-2011).
The strains in the autotrophic and heterotrophic bacteria are purchased from outsources.
Example 2
1. Preparation of photoautotrophic mixed bacterial liquid
Preparation of a photoautotrophic mixed bacterial solution example 1.
2. preparation of pH-regulating agent
The pH regulating agent adopts sodium bicarbonate water solution with the mass concentration of 12% for standby.
3. Vehicle-mounted processing system
The same as in example 1.
4. Treatment of ammonia nitrogen wastewater
1) Extracting the highly polluted ammonia nitrogen wastewater to be treated in a relatively concentrated mining area, and detecting the ammonia nitrogen concentration. Through measurement, the concentration (NQ) of the ammonia nitrogen wastewater to be treated extracted by the embodiment is as follows: 100 mg/L.
2) 10.8M water pump is arranged outside3Conveying the relatively concentrated high-pollution ammonia nitrogen wastewater to be treated in the rare earth mining area to a facultative tank (3) of a vehicle-mounted treatment system, and simultaneously adding 1.2M of ammonia nitrogen wastewater into a bacteria liquid adding system3The photoautotroph heterotrophic mixed bacteria liquid is synchronously injected into the facultative tank (3).
3) After the facultative tank (3) is filled with the ammonia nitrogen wastewater to be treated and the photoautotrophic heterotrophic mixed bacteria liquid, the aeration mixing device in the vehicle-mounted treatment system is started, and the water body in the facultative tank (3) is continuously aerated, stirred and uniformly mixed.
4) After ventilating for 6 minutes, starting a monitoring control system in the vehicle-mounted treatment system, and measuring the pH value, the oxygen content and the water temperature of the water body in the facultative tank (3), wherein the data is that the water temperature is 28 ℃, the oxygen content is equal to 6.2 at the value of 1.6mg/L, pH, the water body belongs to a normal range, and the treatment requirement is met.
5) And after the water body index in the facultative tank (3) meets the requirement, continuously ventilating for 8 hours, and after the determination, continuously injecting the ammonia nitrogen wastewater to be treated into the facultative tank when the ammonia nitrogen content in the facultative tank is 79 mg/L. According to the technical scheme:
calculated amount, the volume of the ammonia nitrogen wastewater to be treated injected in daily is 43.2M3(flow rate: 1.8M)3/h)。
6) In the process of continuously injecting ammonia nitrogen wastewater to be treated into the facultative tank (3), water in the facultative tank (3) overflows into the anaerobic tank (6) through the overflow holes (17), and after the anaerobic tank (6) is filled, water in the anaerobic tank (6) overflows into the aerobic tank (8) through the overflow holes (16).
7) When a water body enters the anaerobic tank (6) or the aerobic tank (8), the aeration mixing device arranged in the anaerobic tank (6) and the aerobic tank (8) is automatically started to continuously aerate and stir the water body, and meanwhile, the control system also tracks and monitors the pH value and the water temperature data of the water body in the anaerobic tank and the pH value, the oxygen content and the water temperature data of the water body in the aerobic tank in real time.
8) The water body in the aerobic tank (8) discharges the treated tail water outwards through an upper overflow hole (10) and a tail water discharge pipe (11) of the aerobic tank (8);
through real-time monitoring, in the whole process, the concentration of the tail water ammonia nitrogen discharged to the outside through the tail water discharge pipe (11) is always stable between 6 and 9 mg/L.
9) After the extraction of the ammonia nitrogen wastewater to be treated with relatively concentrated high pollution is finished, the ammonia nitrogen wastewater inlet water pump to be treated is closed, the facultative tank-anaerobic tank emptying water pump (4) is started at the same time, the water body in the facultative tank (3) is pumped into the anaerobic tank (6), and the extraction is finished within 8 hours.
10) And after 8 hours, closing the facultative tank-anaerobic tank emptying water pump (4), starting the anaerobic tank-aerobic tank emptying water pump (7), pumping the water body in the anaerobic tank (6) into the aerobic tank (8), and finishing pumping within 8 hours.
11) After the extraction is finished, the interval is 5 hours, and then the tail water emptying lower valve (14) of the aerobic tank (8) is opened to discharge the tail water in the aerobic tank (8) outwards.
Through tracking detection, the concentration of ammonia nitrogen in tail water discharged from the emptying lower valve (14) is always stabilized at 8mg/L, which is superior to the requirement of 15mg/L in the national emission standard of rare earth industrial pollutants (GB 26451-2011).
The strains in the autotrophic and heterotrophic bacteria are purchased from outsources.
Although a specific embodiment of the present invention has been described above, it will be understood by those skilled in the art that this is by way of illustration only, and that various changes or modifications may be made to this embodiment by those skilled in the art without departing from the principle and spirit of the invention, and these changes and modifications all fall within the scope of the invention.
Claims (10)
1. The utility model provides a vehicular microbiological treatment tombarthite ammonia nitrogen effluent plant, characterized by the vehicular processing system constitute by flat truck, waste water treatment pond, the mixing arrangement that ventilates, fungus liquid addition system, temperature control system, pH adjusting agent addition system and monitor control system, waste water treatment pond, the air-blower of mixing arrangement that ventilates and the fungus liquid jar in the fungus liquid system, pH adjusting agent holding vessel distributes on flat carriage of flat truck in proper order in the pH adjusting agent addition system, the mixing arrangement that ventilates, pH adjusting agent addition system, fungus liquid addition system link to each other with the processing pond through corresponding gas-supply pipe, transfer line, conveyer pipe respectively.
2. The vehicular device for treating the rare earth ammonia nitrogen wastewater by the microorganisms as claimed in claim 1, wherein the wastewater treatment tank is formed by connecting a facultative tank, an anaerobic tank and an aerobic tank in series respectively; the facultative tank and the anaerobic tank and the aerobic tank are connected through an upper overflow pipe, the facultative tank-anaerobic tank water pump and the anaerobic tank-aerobic tank water pump.
3. The vehicular device for treating rare earth ammonia nitrogen wastewater by using microorganisms as claimed in claim 1, wherein the aeration mixing device comprises a blower, a gas pipe and an aeration disc or a gas transmission hole, the aeration disc is distributed in the facultative tank and the anaerobic tank, the aeration disc is favorable for stirring water by aeration, and the gas transmission hole is arranged at the bottom of the aerobic tank; the gas pipe is respectively connected with the aeration discs and the gas transmission holes at the bottoms of the facultative tank, the anaerobic tank and the aerobic tank through an automatic control flow divider valve.
4. The vehicular microbial treatment device for rare earth ammonia nitrogen wastewater according to claim 1, wherein the bacteria liquid adding system comprises a bacteria liquid tank, a bacteria liquid infusion pump, a flow meter and an infusion tube, an automatic control diverter valve is arranged in the infusion tube, and the infusion tube connected with the bacteria liquid tank is respectively opened in the facultative tank, the anaerobic tank and the aerobic tank through the automatic control diverter valve.
5. The vehicular apparatus for treating waste water containing rare earth, ammonia and nitrogen through microorganisms according to claim 1, wherein the pH adjusting agent adding system comprises a pH adjusting agent storage tank, a delivery pump, a delivery pipe and a flowmeter, an automatic control diverter valve is arranged in the delivery pipe, and the delivery pipe connected with the storage tank is respectively opened in the facultative tank, the anaerobic tank and the aerobic tank through the automatic control diverter valve.
6. The vehicular device for treating the rare earth ammonia nitrogen wastewater by the microorganisms as claimed in claim 1, wherein the monitoring and controlling system is composed of a monitoring system and a controller, and the controller is connected with the bacteria liquid adding system, the aeration and mixing device and the pH adjusting agent adding system; the controller is provided with a microprocessor, wherein the microprocessor internally comprises a memory and an analog-to-digital converter, or the memory and the analog-to-digital converter are expanded outside the microprocessor according to requirements.
7. The vehicular device for treating the rare earth ammonia nitrogen wastewater by the microorganisms as claimed in claim 6, wherein the monitoring system comprises an ammonia nitrogen online monitoring sensor, a pH value online monitoring sensor and a dissolved oxygen online monitoring sensor; the microprocessor is respectively connected with the ammonia nitrogen online monitoring sensor, the pH value online monitoring sensor and the dissolved oxygen online monitoring sensor, the microprocessor receives ammonia nitrogen content, pH value and dissolved oxygen data of the sensors at regular time, and the microprocessor determines whether to start a pH adjusting medicament input pump in the pH adjusting medicament adding system and an air blower in the aeration mixing device or not according to the obtained data; meanwhile, a pH value on-line monitoring sensor monitors the pH value in real time, and once the excessive microprocessor is found, the pH adjusting agent is controlled to be added to correct the pH.
8. The vehicular device for treating rare earth ammonia nitrogen wastewater by using microorganisms as claimed in claim 7, wherein the ammonia nitrogen online monitoring sensor is positioned in the water body on the inner side walls of the facultative tank, the anaerobic tank and the aerobic tank, is connected with the microprocessor through a signal transmission lead, and sends concentration data to the microprocessor in real time; when the ammonia nitrogen concentration value reaches a set value, the microprocessor sends an instruction, the bacteria liquid infusion pump is started, and the bacteria liquid adding system automatically injects the photoautotrophic mixed bacteria liquid with a unit volume into the corresponding treatment pool.
9. The vehicular type device for treating rare earth ammonia nitrogen wastewater by using microorganisms as claimed in claim 7, wherein the pH value on-line monitoring sensor is positioned in a water body on the inner side wall of the tail water treatment tank, is connected with the microprocessor through a signal transmission lead, and sends pH value data to the microprocessor in real time.
10. The vehicular type apparatus for treating wastewater containing rare earth, ammonia and nitrogen by using microorganisms as claimed in claim 7, wherein the sensor for online monitoring of dissolved oxygen is located in the water body inside the inner side walls of the facultative tank and the aerobic tank, and is connected with the microprocessor through a signal transmission wire, so as to send the dissolved oxygen data of the facultative tank and the aerobic tank to the microprocessor in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911034140.XA CN110642386A (en) | 2019-10-29 | 2019-10-29 | On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911034140.XA CN110642386A (en) | 2019-10-29 | 2019-10-29 | On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110642386A true CN110642386A (en) | 2020-01-03 |
Family
ID=69013696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911034140.XA Pending CN110642386A (en) | 2019-10-29 | 2019-10-29 | On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110642386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849754A (en) * | 2020-07-28 | 2020-10-30 | 无锡澳珀逸境生物科技有限公司 | A expand numerous thing and ally oneself with monitoring device for native good fungus system of propagating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819047A (en) * | 2013-11-18 | 2014-05-28 | 天津科技大学 | Integrated domestic sewage treatment device for outdoor campground |
| CN104591387A (en) * | 2015-01-08 | 2015-05-06 | 宁波市恒洁水务发展有限公司 | Automatic treatment system and automatic treatment method for removing nitrogen and phosphorus from wastewater |
| CN207738599U (en) * | 2017-12-18 | 2018-08-17 | 江西省闽达实业有限公司 | Plate type ceramic combined films complete set of equipments |
| CN210825638U (en) * | 2019-10-29 | 2020-06-23 | 福建师范大学 | On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device |
-
2019
- 2019-10-29 CN CN201911034140.XA patent/CN110642386A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819047A (en) * | 2013-11-18 | 2014-05-28 | 天津科技大学 | Integrated domestic sewage treatment device for outdoor campground |
| CN104591387A (en) * | 2015-01-08 | 2015-05-06 | 宁波市恒洁水务发展有限公司 | Automatic treatment system and automatic treatment method for removing nitrogen and phosphorus from wastewater |
| CN207738599U (en) * | 2017-12-18 | 2018-08-17 | 江西省闽达实业有限公司 | Plate type ceramic combined films complete set of equipments |
| CN210825638U (en) * | 2019-10-29 | 2020-06-23 | 福建师范大学 | On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849754A (en) * | 2020-07-28 | 2020-10-30 | 无锡澳珀逸境生物科技有限公司 | A expand numerous thing and ally oneself with monitoring device for native good fungus system of propagating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110642380B (en) | Method for treating rare earth wastewater by using scale outdoor pool microorganisms | |
| CN110642387B (en) | Method for treating rare earth ammonia nitrogen wastewater based on vehicle-mounted treatment system microorganisms | |
| Shen et al. | Biological denitrification of high-nitrate wastewater in a modified anoxic/oxic-membrane bioreactor (A/O-MBR) | |
| CN104962505A (en) | Immobilized nitrobacteria enrichment culture method and device in sewage treatment process | |
| CN106222091A (en) | A kind of Anaerobic culturel method of liquid humid acid fertilizer bacterium | |
| CN111635080A (en) | Sewage treatment system and application thereof in purification of breeding sewage and black and odorous water | |
| CN210825638U (en) | On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device | |
| CN103739060A (en) | Device and method for synergistic inhibition of nitrifying bacteria activity to achieve partial nitrification employing free ammonia and free nitrous acid | |
| CN113651433A (en) | Leather wastewater treatment system and method | |
| CN110642386A (en) | On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device | |
| CN103739071B (en) | Micro-polluted surface water denitrifying method | |
| CN110002600B (en) | Culture method of microbial colony, in-situ culture device and wastewater treatment method | |
| CN111592099A (en) | Method and device for sewage treatment by using sequencing batch activated sludge reactor | |
| CN103936237B (en) | A kind of waste disposal plant based on recessive growth and energy uncoupling metabolism associating and the method for disposing of sewage thereof | |
| CN203653325U (en) | Device for realizing partial nitrification by synergistic inhibition of activity of nitrifying bacteria by free ammonia and free nitrous acid | |
| WO2013063727A1 (en) | Process for increasing activity of nitrification microorganism in active sludge by in-situ preparation and addition of iron hydroxide | |
| CN210825622U (en) | Device of scale outdoor pond microbiological treatment tombarthite waste water system | |
| CN102115298B (en) | Device and method for treating low C/N ratio nitrified wastewater | |
| CN109081509A (en) | A kind of sewage disposal system and technique suitable for low, high carbon-nitrogen ratio | |
| CN106167763B (en) | The anaerobic culture device of liquid humid acid fertilizer bacterium | |
| CN213771494U (en) | Upflow type sewage enhanced biological phosphorus removal coupled anaerobic ammonia oxidation denitrification integrated system | |
| CN103787497B (en) | A kind of Sewage treatment systems and application thereof | |
| CN212924565U (en) | Integrated shortcut nitrification and anaerobic ammonia oxidation rapid in-situ starting device | |
| CN203159330U (en) | Sewage treatment system | |
| KR100672205B1 (en) | Advanced swage and waste water treatment method and apparaters use of selected and cultured bacillus species bacteria at anaerobic digester. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |