CN114702204A - Aquatic industrial wastewater treatment method and treatment system thereof - Google Patents
Aquatic industrial wastewater treatment method and treatment system thereof Download PDFInfo
- Publication number
- CN114702204A CN114702204A CN202210381957.XA CN202210381957A CN114702204A CN 114702204 A CN114702204 A CN 114702204A CN 202210381957 A CN202210381957 A CN 202210381957A CN 114702204 A CN114702204 A CN 114702204A
- Authority
- CN
- China
- Prior art keywords
- wastewater
- tank
- ammonia nitrogen
- nitrogen concentration
- oil separation
- 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
- 239000010842 industrial wastewater Substances 0.000 title claims description 18
- 238000004065 wastewater treatment Methods 0.000 title claims description 18
- 239000002351 wastewater Substances 0.000 claims abstract description 136
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 126
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 125
- 238000006243 chemical reaction Methods 0.000 claims abstract description 86
- 238000000926 separation method Methods 0.000 claims abstract description 67
- 238000004062 sedimentation Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000010411 cooking Methods 0.000 claims abstract description 14
- 238000005188 flotation Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000006228 supernatant Substances 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052698 phosphorus Inorganic materials 0.000 claims description 30
- 239000011574 phosphorus Substances 0.000 claims description 30
- 241000894006 Bacteria Species 0.000 claims description 23
- 230000001546 nitrifying effect Effects 0.000 claims description 21
- 229910019142 PO4 Inorganic materials 0.000 claims description 20
- 239000010452 phosphate Substances 0.000 claims description 20
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000009360 aquaculture Methods 0.000 claims description 12
- 244000144974 aquaculture Species 0.000 claims description 12
- 239000000047 product Substances 0.000 claims description 11
- 239000005416 organic matter Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 7
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 7
- 239000004571 lime Substances 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 50
- 235000019198 oils Nutrition 0.000 description 50
- 239000010802 sludge Substances 0.000 description 18
- 239000010865 sewage Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 10
- 229920002401 polyacrylamide Polymers 0.000 description 8
- 239000003814 drug Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- -1 aluminum ion Chemical class 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000012258 culturing Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 229920000388 Polyphosphate Polymers 0.000 description 2
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 2
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000001687 destabilization Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000143060 Americamysis bahia Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- 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
- C02F2203/002—Apparatus and plants for the biological treatment of water, waste water or sewage comprising an initial buffer container
-
- 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
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
- C02F2209/18—PO4-P
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a method for treating waste water in aquatic industry and a treatment system thereof, wherein the waste water is discharged into a pretreatment system consisting of an oil separation tank, an air flotation tank and a regulating tank, and steam of a cooking boiler is introduced into the oil separation tank; discharging the wastewater into an anaerobic tank-A2an/O reaction cell according to A2Adjusting the wastewater temperature in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tankImproving the efficiency of short-cut nitrification and denitrification, and discharging the wastewater into a vertical secondary sedimentation tank for sludge-water separation; and (3) enabling the supernatant of the vertical flow type secondary sedimentation tank to flow into an inclined tube sedimentation tank, and carrying out advanced treatment on the wastewater. The steam of the cooking boiler is introduced into the oil separation tank, and the water inlet temperature of the oil separation tank is increased and A is increased by utilizing the steam2The temperature of the feed water to the/O reaction tank and according to A2The ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank adjusts the temperature of the wastewater in the oil separation tank, the efficiency of shortcut nitrification and denitrification can be improved, ammonia nitrogen can be quickly and effectively removed, the quality of the outlet water is guaranteed to be stable and reach the standard, and the method has the advantages of low investment, stable operation and high treatment efficiency.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an aquatic industry wastewater treatment method and a treatment system thereof.
Background
With the rapid development of fishery in China, China has become the main aquatic product producing country in the world, and the aquatic product processing industry is developed and developed. The aquatic product processing wastewater has the characteristics of more suspended matters, high organic matter content, high ammonia nitrogen total phosphorus concentration, low water temperature, low biochemical degradation speed and the like. In order to discharge the wastewater of aquatic products up to the standard, a plurality of physical and chemical methods, such as oil removal, air flotation, coagulating sedimentation and the like, are adopted by a plurality of scholars by taking biological treatment as a core, so that a better treatment effect is achieved. However, for aquatic wastewater with high ammonia nitrogen concentration, when the water temperature is low, the biological denitrification efficiency of the sewage is low.
Disclosure of Invention
The invention aims to provide an aquatic industrial wastewater treatment method and an aquatic industrial wastewater treatment system, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method of treating aquaculture industrial wastewater, the method comprising:
discharging the wastewater into a pretreatment system consisting of an oil separation tank, an air flotation tank and an adjusting tank to remove grease and suspended matters in the wastewater, wherein steam of a cooking boiler is introduced into the oil separation tank to ensure that the wastewater in the oil separation tank keeps the temperature within a preset temperature range;
discharging the wastewater treated by the pretreatment system into an anaerobic tank-A2A biochemical treatment system consisting of an O reaction tank, organic matter removal, ammonia nitrogen removal by nitrification and biochemical phosphorus removal, wastewater discharge into a vertical flow type secondary sedimentation tank for mud-water separation, monitoring A2The ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank is according to A2Adjusting the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank to adjust the wastewater in the oil separation tankWater temperature to improve the efficiency of short-cut nitrification and denitrification;
and (3) enabling the supernatant of the vertical flow type secondary sedimentation tank to flow into an inclined tube sedimentation tank, and carrying out advanced treatment on the wastewater by adopting a dephosphorization agent.
Further, according to A2Adjusting the wastewater temperature in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank: setting an initial temperature, detecting A2And (4) the initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank is repeatedly increased until the ammonia nitrogen concentration is continuously greater than the initial ammonia nitrogen concentration so as to obtain the wastewater temperature in the oil separation tank.
Further, according to A2Adjusting the wastewater temperature in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank: setting an initial temperature, detecting A2And (3) repeatedly reducing the initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank and detecting the ammonia nitrogen concentration in the wastewater at the water outlet end until the ammonia nitrogen concentration is continuously less than the initial ammonia nitrogen concentration so as to obtain the temperature of the wastewater in the oil separation tank.
Further, monitor A2When the ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank is gradually increased, the ammonia nitrogen concentration is gradually increased for the A2And (3) carrying out ammonia nitrogen resistant culture on nitrifying bacteria in the/O reaction tank.
Further, monitor A2When the phosphate concentration in the wastewater at the water inlet end of the/O reaction tank is increased in a gradient manner, the phosphate concentration in the wastewater is adjusted to be A2And (3) carrying out salt-tolerant culture on nitrifying bacteria in the/O reaction tank.
Further, lime and/or coagulant are added to carry out advanced treatment on the wastewater.
An aquatic product industrial wastewater treatment system comprises an oil separation tank, an air flotation tank, an adjusting tank, an anaerobic tank and a tank A which are sequentially connected through pipelines2The treatment system comprises a/O reaction tank, a vertical flow type secondary sedimentation tank, an inclined tube sedimentation tank, a controller, a steam pipeline for introducing steam of a cooking boiler, and a water inlet pipe, wherein the oil separation tank is internally provided with a steam pipeline for introducing steam of the cooking boiler, and the water inlet pipe is connected with the controller2The water outlet end of the/O reaction tank is provided with an effluent ammonia nitrogen online detector for monitoring the ammonia nitrogen concentration in the wastewater at the water outlet end, and the controller and the effluent ammonia nitrogen are onlineDetector signal connection according to A2Adjusting the temperature of the wastewater in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the O reaction tank.
Further, said A2The water inlet end of the/O reaction tank is provided with an inlet ammonia nitrogen online detector for monitoring the ammonia nitrogen concentration in the waste water at the water inlet end, the controller is further connected with the inlet ammonia nitrogen online detector in a signal mode, and when the outlet ammonia nitrogen online detector detects that the ammonia nitrogen concentration gradually increases, the controller is used for detecting the ammonia nitrogen concentration of the waste water at the water inlet end and the outlet ammonia nitrogen online detector detects that the ammonia nitrogen concentration gradually increases to A2And (3) carrying out ammonia nitrogen resistant culture on nitrifying bacteria in the/O reaction tank.
Further, A is2The water inlet end of the/O reaction tank is provided with an online detector for monitoring the concentration of phosphate in wastewater at the water inlet end, the controller is further in signal connection with the online detector, and when the online detector detects that the concentration gradient of the phosphate is increased, the controller is used for controlling the concentration of the phosphate in the wastewater at the water inlet end to be A2And (3) carrying out salt-tolerant culture on nitrifying bacteria in the/O reaction tank.
Further, A is2the/O reaction tank is provided with an online DO instrument for controlling the aeration amount.
Compared with the prior art, the invention has the beneficial effects that: the steam of the cooking boiler is introduced into the oil separation tank, the water inlet temperature of the oil separation tank is improved by utilizing the steam, the problems of oil collection tank blockage and low separation efficiency caused by condensed oil blocks in the oil separation tank due to low external temperature are solved, and A is improved2The temperature of the feed water to the/O reaction tank and according to A2The ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank adjusts the temperature of the wastewater in the oil separation tank, the efficiency of short-cut nitrification and denitrification can be improved, ammonia nitrogen can be quickly and effectively removed, a three-section combined treatment process is adopted to ensure that the quality of the outlet water is stable and reaches the standard, and the method has the advantages of low investment, stable operation and high treatment efficiency.
Drawings
FIG. 1 is a schematic diagram of an aquaculture industrial wastewater treatment system according to the present invention;
FIG. 2 is a flow chart of the method for treating the aquatic industrial wastewater of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The main processing products of a certain aquaculture processing company are mainly shrimps and fish, and the wastewater mainly comes from the waste water of removing heads and cleaning, cooking and washing of equipment and containers of raw materials in the production process. The wastewater has high organic matter content, more suspended matters and high ammonia nitrogen content, and because the polyphosphate is used in the aquatic product production, the concentration of phosphorus in water is greatly increased. The engineering water inlet amount is designed to be 50t/d, the designed water inlet quality is shown in the table 1, and the designed water outlet quality reaches the first-level standard in GB8978-1996 Integrated wastewater discharge Standard. The quality of the inlet water and the discharge standard of the outlet water are shown in Table 1.
TABLE 1 Water quality of inlet and outlet water
The production and domestic sewage of the factory area of the aquatic product processing enterprise are firstly discharged into the water collecting tank, the wastewater inlet of the water collecting tank is provided with the fine grid, as shown in figure 1, the embodiment provides an aquatic product industrial wastewater treatment system, which comprises an oil separation tank 1, a collecting tank 11, an air flotation tank 2, an adjusting tank 3, an anaerobic tank 4, an A tank which are sequentially connected through a pipeline2a/O reaction tank 5, a vertical flow type secondary sedimentation tank 6, an inclined tube sedimentation tank 7, a sludge concentration tank 8, a sludge screw stacking machine 9, an aeration device and a dosing system, wherein the treatment system also comprises a controller, an oil separation tank 1, an air flotation tank 2 and an adjusting tank 3 form a primary materialization pretreatment system, and an anaerobic tank 4 and an A tank2the/O reaction tank 5 and the vertical flow type secondary sedimentation tank 6 form a secondary biochemical treatment system, the inclined tube sedimentation tank 7 is used as a tertiary chemical phosphorus removal system, the oil separation tank 1 mainly removes organic matters floating on the water surface and recovers the organic matters into the collection tank 2 for utilization, the air floatation tank 2 can remove most suspended matters, and the air floatation tank 2 has more common pollutants, so that the secondary biochemical treatment system has the advantages of high efficiency, low cost and high safetyThe dosing system comprises an alkali medicine barrel 101, a PAC barrel 102 and a PAM medicine barrel 103, when pollutants in water are more, the alkali medicine barrel 101, the PAC barrel 102 and the PAM medicine barrel 103 can be opened, the regulating reservoir 3 has the main function of regulating water quantity and water quality, a blast device is arranged in the regulating reservoir 3 and can play a role of pre-aeration, and the anaerobic reservoir 4 and the anaerobic reservoir A have the functions of pre-aeration2A second-stage biochemical treatment system consisting of an O reaction tank 5 and a vertical flow type secondary sedimentation tank 6, wherein a nitrification process is carried out in an aerobic stage to remove organic matters, and a denitrification process is carried out in an anoxic stage to remove ammonia nitrogen; the phosphorus accumulating bacteria release phosphorus in an anaerobic stage, absorb phosphorus in an aerobic stage, and discharge excess sludge to achieve the aim of biological phosphorus removal, in order to prevent the influence of low water temperature in winter on the subsequent biochemical process, a steam pipeline 12 for introducing steam of a cooking boiler is arranged in the oil separation tank 1, and A2The water outlet end of the/O reaction tank 5 is provided with an effluent ammonia nitrogen online detector 51 for monitoring the ammonia nitrogen concentration in the effluent end wastewater, and the controller is in signal connection with the effluent ammonia nitrogen online detector 51 and is used for controlling the ammonia nitrogen concentration according to A2Adjusting the temperature of the wastewater in the oil separation tank 1 by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5, wherein A is2The water inlet end of the/O reaction tank 5 is provided with an inlet ammonia nitrogen online detector 52 for monitoring the ammonia nitrogen concentration in the wastewater at the water inlet end, the controller is further in signal connection with the inlet ammonia nitrogen online detector 52, and when the outlet ammonia nitrogen online detector 52 detects that the ammonia nitrogen concentration gradually increases, the controller controls the A to perform the reaction2Nitrifying bacteria in the/O reaction tank 5 are subjected to ammonia nitrogen resistant culture, wherein A is2The water inlet end of the/O reaction tank 5 is provided with an online detector 53 for monitoring the concentration of phosphate in wastewater at the water inlet end, the controller is further in signal connection with the online detector 53, and when the online detector 53 detects that the concentration gradient of the phosphate is increased, the controller is used for controlling the concentration of the phosphate in the wastewater at the water inlet end to be A2The nitrifying bacteria in the/O reaction tank 5 are subjected to salt-tolerant culture to improve the efficiency of short-cut nitrification and denitrification, the wastewater is subjected to mud-water separation in the vertical flow type secondary sedimentation tank 6, certain excess sludge is discharged, the supernatant flows into the inclined tube sedimentation tank 7 for chemical phosphorus removal, in order to ensure that the effluent stably reaches the standard, the dosing system further comprises a lime medicine barrel 104 and a coagulant medicine barrel 105, the lime reacts with phosphate in the wastewater to generate indissolvable phosphorus-containing compounds, and the phosphorus-containing compounds become large flocculation under the action of the coagulantThe method comprises the steps of precipitating an aluminum ion from sewage to achieve the purpose of phosphorus removal, reacting the aluminum ion with a phosphate radical ion in water to generate an aluminum phosphate precipitate, hydrolyzing the aluminum salt in water to generate a hydroxyl complex and positively charge the hydroxyl complex, neutralizing negative charge substances in water to accelerate colloid destabilization, adding a polymeric flocculant in a flocculation zone to help particles to coalesce and precipitate, and further precipitating and separating fine impurity particles in water in an inclined tube precipitation zone to enable final effluent to reach the standard for discharge. The discharged excess sludge enters the sludge concentration tank 8 for sludge-water separation by means of gravity sedimentation, in order to improve the dehydration performance of the sludge, the dosing system further comprises a cationic polyacrylamide dosing barrel 106, cationic Polyacrylamide (PAM) is added to improve the dehydration performance of the sludge, the sludge is dehydrated by a screw stacking machine 9, and the dehydrated sludge cake is transported outside for disposal.
As shown in fig. 2, the present embodiment further provides a method for treating wastewater from aquaculture industry, the method comprising the following steps:
s1: discharging the wastewater into a pretreatment system consisting of an oil separation tank, an air flotation tank and an adjusting tank to remove grease and suspended matters in the wastewater, wherein steam of a cooking boiler is introduced into the oil separation tank to ensure that the wastewater in the oil separation tank keeps the temperature within a preset temperature range;
s2: discharging the wastewater treated by the pretreatment system into an anaerobic tank-A2A biochemical treatment system consisting of an O reaction tank, organic matter removal, ammonia nitrogen removal by nitrification and biochemical phosphorus removal, wastewater discharge into a vertical flow type secondary sedimentation tank for mud-water separation, monitoring A2The ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank is according to A2Adjusting the temperature of the wastewater in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank so as to improve the shortcut nitrification and denitrification efficiency;
s3: and (3) enabling the supernatant of the vertical flow type secondary sedimentation tank to flow into an inclined tube sedimentation tank, and carrying out advanced treatment on the wastewater by adopting a dephosphorization agent.
Specifically, production and domestic sewage of a factory area of an aquatic product processing enterprise is firstly discharged into a water collecting tank, and as more animal and vegetable oil and suspended substances exist in inlet water, in order to reduce the burden of subsequent biological treatment, a pretreatment system consisting of an oil separating tank, an air flotation tank and an adjusting tank is adopted to remove the oil and suspended substances in the wastewater, and the oil separating tank is used for removing the oil and suspended substances1 mainly get rid of the organic matter that floats on the surface of water and retrieve to collecting pit 2 and carry out the recycle, and floating pit 2 can get rid of most suspended solid, when aquatic pollutant is more, can open alkali explosive barrel 101, PAC bucket 102, PAM explosive barrel 103, and equalizing basin 3 main function is the regulation water yield quality of water, discharges the waste water after pretreatment system handles into anaerobism pond 4-A2The biochemical treatment system composed of the/O reaction tank 5 is used for removing organic matters, nitrifying to remove ammonia nitrogen and carrying out biochemical phosphorus removal, the nitrification process is carried out in the aerobic stage to remove the organic matters, and the denitrification process is carried out in the anoxic stage to remove the ammonia nitrogen; the phosphorus accumulating bacteria release phosphorus in the anaerobic stage, absorb phosphorus in the aerobic stage, and discharge excess sludge to reach the aim of biological phosphorus removal, so as to prevent the influence of low water temperature on the subsequent biochemical process in winter and improve A2The denitration efficiency of the/O reaction tank 5, the steam of a cooking boiler is introduced into the oil separation tank 1, and A is monitored2The ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5 is according to A2Adjusting the temperature of the wastewater in the oil separation tank 1 by the concentration of ammonia nitrogen in the wastewater at the water outlet end of the/O reaction tank 5, for example, setting the initial temperature and detecting A2The method comprises the steps of increasing the initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5, repeatedly increasing the initial temperature and detecting the ammonia nitrogen concentration in the wastewater at the water outlet end until the ammonia nitrogen concentration is continuously higher than the initial ammonia nitrogen concentration to obtain the wastewater temperature in the oil separation tank, repeatedly decreasing the initial temperature and detecting the ammonia nitrogen concentration in the wastewater at the water outlet end until the ammonia nitrogen concentration is continuously lower than the initial ammonia nitrogen concentration to obtain the wastewater temperature in the oil separation tank, specifically, setting the wastewater temperature in the oil separation tank 1 to be 20 ℃, and detecting A2The initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5 is 16mg/L, the temperature of the wastewater in the oil separation tank 1 is increased to 22 ℃, and A detection is carried out2The initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5 is 15mg/L, the temperature of the wastewater in the oil separation tank 1 is increased again to 25 ℃, the ammonia nitrogen concentration in the wastewater at the water outlet end is detected to be 13mg/L, the temperature of the wastewater in the oil separation tank 1 is increased again to 26 ℃, the ammonia nitrogen concentration in the wastewater at the water outlet end is detected to be 14mg/L, and the following results can be seen: when the temperature of the wastewater is 25 ℃, the ammonia nitrogen concentration is continuously higher than the initial ammonia nitrogen concentration, so that the temperature of 25 ℃ can be used as the setting temperature of the oil separation tank 1, the ammonia nitrogen concentration is 13mg/L, and then the temperature is reducedThe temperature of the wastewater in the oil interceptor 1 is 19 ℃, and the detection A is carried out2The initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5 is 15mg/L, the temperature of the wastewater in the oil separation tank 1 is reduced to 17 ℃ again, and A detection is carried out2The initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5 is 20mg/L, and it can be seen that: when the temperature of the wastewater is 25 ℃, the ammonia nitrogen concentration is continuously less than the initial ammonia nitrogen concentration, so that the 25 ℃ is used as the optimal set temperature of the oil separation tank 1, the effect of shortcut nitrification and denitrification is ensured, and in addition, the embodiment can also monitor A2The ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank 5 is gradually increased for the ammonia nitrogen concentration A2The nitrifying bacteria in the/O reaction tank 5 are subjected to ammonia nitrogen resistant culture, for example, the first detection A2The ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank 5 is 85mg/L, and when the A is detected for the second time2When the ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank 5 is 87mg/L, adding a proper amount of culture solution to the A2Culturing 5 nitrifying bacteria in the/O reaction tank, and detecting A for the third time2When the ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank 5 is 90mg/L, adding a proper amount of culture solution again to the A2Culturing 5 kinds of nitrifying bacteria in the/O reaction tank until A2The ammonia nitrogen concentration in the water outlet end wastewater of the/O reaction tank 5 is greater than the ammonia nitrogen concentration at the last time, so the nitrifying bacteria are subjected to ammonia nitrogen-resistant culture, the nitrifying bacteria are gradually adapted to the high ammonia nitrogen sewage environment, the nitrification efficiency is improved, the ammonia nitrogen removal rate is improved, and because polyphosphate is used in the aquatic production, the concentration of phosphorus in water is greatly increased, the A-type wastewater treatment device can also monitor the A-type wastewater treatment process2The phosphate concentration in the wastewater at the water inlet end of the/O reaction tank 5 is adjusted to A when the phosphate concentration gradient is increased2The nitrifying bacteria in the/O reaction tank 5 are subjected to salt-tolerant culture, e.g. first detection of A2The phosphate concentration in the wastewater at the water inlet end of the/O reaction tank 5 is 7mg/L, and when the A is detected for the second time2When the ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank 5 is 8mg/L, adding a proper amount of culture solution to the A2Culturing 5 nitrifying bacteria in the/O reaction tank, and detecting A for the third time2When the ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank 5 is 9mg/L, adding a proper amount of culture solution again to the A2Culturing 5 kinds of nitrifying bacteria in the/O reaction tank until A2The ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank 5 is higher than the ammonia nitrogen concentration at the last time, so that the nitrifying bacteria are subjected to salt-tolerant culture, the nitrifying bacteria are gradually adapted to a high-salt sewage environment, the nitrification efficiency is improved, and the ammonia nitrogen removal rate is improved; the method comprises the following steps of carrying out sludge-water separation on wastewater in a vertical flow type secondary sedimentation tank 6, discharging certain residual sludge, enabling supernatant to flow into an inclined tube sedimentation tank 7 for chemical phosphorus removal, enabling lime to react with phosphate in the wastewater to generate insoluble phosphorus-containing compounds, enabling the insoluble phosphorus-containing compounds to become large floccules to be precipitated from the wastewater under the action of a coagulant to achieve the aim of phosphorus removal, enabling aluminum ions to react with phosphate ions in the water to generate aluminum phosphate precipitates, meanwhile, hydrolyzing the aluminum salts in the water to generate hydroxyl complexes and positively charging the hydroxyl complexes, neutralizing negative charge substances in the water to accelerate colloid destabilization, adding a high polymer flocculant in a flocculation zone to help particle coalescence and precipitation, further precipitating and separating fine impurity particles in the water in the inclined tube sedimentation zone, and enabling final effluent to reach the standard for discharge. The discharged excess sludge firstly enters a sludge concentration tank 8 to carry out sludge-water separation by means of gravity sedimentation, cationic Polyacrylamide (PAM) is added to improve the dehydration performance of the sludge, then a screw folding machine 9 is used for dehydration, and the dehydrated sludge cake is transported outside for disposal.
In this example, as shown in table 2, the production and domestic wastewater in the plant area was collected by the pipe network and entered the wastewater treatment system, and the Chemical Oxygen Demand (COD) of the wastewater was measured at the water inletCr) 2375mg/L, five days Biochemical Oxygen Demand (BOD)5) 980mg/L, ammonia Nitrogen (NH)3-N) was 93.6mg/L and Total Phosphorus (TP) was 12.3 mg/L. The sewage has high organic matter concentration and high ammonia nitrogen concentration, about 50 percent of organic matter, partial ammonia nitrogen and total phosphorus can be removed after the sewage passes through a pretreatment system consisting of an oil separation tank, an air floatation tank and a regulating tank, but when the sewage enters a biochemical treatment stage, solid and colloidal protein in the sewage are hydrolyzed and ammoniated to release the ammonia nitrogen, so that the ammonia nitrogen concentration can be increased. Thus to increase A2In the denitration efficiency of the/O reaction tank 5, on one hand, the water temperature is adjusted to the optimal temperature, for example, to 25 ℃ by using boiler steam to ensure the effect of short-cut nitrification and denitrification, on the other hand, the nitrifying bacteria are subjected to ammonia nitrogen resistant and salt tolerant culture to improve the nitrification efficiency, and the biological sludge and phosphorus removal efficiency is generally not more than that of biological sludge dischargeAnd if the concentration is over 70 percent, in order to ensure that the effluent stably reaches the standard, adding lime and a coagulant into an inclined tube sedimentation tank behind a vertical flow type secondary sedimentation tank, reacting the lime with phosphate in the sewage to generate an insoluble phosphorus-containing compound, and precipitating the phosphorus-containing compound into a large flocculating constituent from the sewage under the action of the coagulant to achieve the aim of removing phosphorus. The inclined tube sedimentation tank has the characteristics of good treatment effect, short retention time and small occupied area, the addition of the polymeric flocculant in the flocculation zone is favorable for particle coalescence and sedimentation, and the inclined tube sedimentation zone can further precipitate and separate out fine impurity particles in water. Finally, chemical COD is measured at the water outletCrThe concentration is 75mg/L, BOD5The concentration is 15mg/L, NH3The concentration of N is 10mg/L, the concentration of TP is 0.43mg/L, the removal rates are 96.8 percent, 98.5 percent, 89.3 percent and 96.5 percent respectively, and the wastewater reaches the first-level discharge standard in the integrated wastewater discharge standard.
TABLE 2 debugging run results (unit: mg/L)
The cost of sewage treatment per ton is about 5 yuan in this embodiment, and the operating cost mainly includes charges of electricity, labour cost and medicament cost, and wherein the charges of electricity account for more than half of the operating cost, and main power consumptive equipment includes air-blower, aerator and backwash pump. Therefore, in order to reduce the cost of sewage treatment, the sewage treatment device can be arranged in a regulating tank A2An on-line DO instrument is added in the/O reaction tank 5 to strictly control the aeration quantity, so that the running electric charge is saved.
The steam of the cooking boiler is introduced into the oil separation tank, the water inlet temperature of the oil separation tank is improved by utilizing the steam, the problems of oil collection tank blockage and low separation efficiency caused by condensed oil blocks in the oil separation tank due to low external temperature are solved, and A is improved2The temperature of the feed water to the/O reaction tank and according to A2The ammonia nitrogen concentration in the wastewater at the water outlet end of the O reaction tank adjusts the temperature of the wastewater in the oil separation tank, and the ammonia nitrogen concentration can be adjustedThe efficiency of short-cut nitrification and denitrification is improved, ammonia nitrogen is quickly and effectively removed, the stable and standard effluent quality is ensured by adopting a three-section combined treatment process, and the method has the advantages of investment saving, stable operation and high treatment efficiency.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method for treating aquaculture industrial wastewater, the method comprising:
discharging the wastewater into a pretreatment system consisting of an oil separation tank, an air flotation tank and an adjusting tank to remove grease and suspended matters in the wastewater, wherein steam of a cooking boiler is introduced into the oil separation tank to ensure that the wastewater in the oil separation tank keeps the temperature within a preset temperature range;
discharging the wastewater treated by the pretreatment system into an anaerobic tank-A2A biochemical treatment system consisting of an O reaction tank, organic matter removal, ammonia nitrogen removal by nitrification and biochemical phosphorus removal, wastewater discharge into a vertical flow type secondary sedimentation tank for mud-water separation, monitoring A2The ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank is according to A2Adjusting the temperature of the wastewater in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank so as to improve the efficiency of shortcut nitrification and denitrification;
and (3) enabling the supernatant of the vertical flow type secondary sedimentation tank to flow into an inclined tube sedimentation tank, and carrying out advanced treatment on the wastewater by adopting a dephosphorization agent.
2. The aquaculture industrial wastewater treatment process according to claim 1, characterized in that according to A2Adjusting the wastewater temperature in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank: setting an initial temperature, detecting A2Repeatedly increasing the initial temperature and detecting the ammonia nitrogen in the wastewater at the water outlet end of the/O reaction tankAnd a concentration step until the ammonia nitrogen concentration is continuously greater than the initial ammonia nitrogen concentration so as to obtain the wastewater temperature in the oil separation tank.
3. The method for treating aquaculture industrial wastewater according to claim 1 or 3, characterized in that according to A2Adjusting the temperature of the wastewater in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the O reaction tank: setting an initial temperature, detecting A2And (3) repeatedly reducing the initial ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank and detecting the ammonia nitrogen concentration in the wastewater at the water outlet end until the ammonia nitrogen concentration is continuously less than the initial ammonia nitrogen concentration so as to obtain the temperature of the wastewater in the oil separation tank.
4. The aquaculture industrial wastewater treatment method according to claim 1, characterized in that: monitoring A2When the ammonia nitrogen concentration in the wastewater at the water inlet end of the/O reaction tank is gradually increased, the ammonia nitrogen concentration is gradually increased for the A2And (3) carrying out ammonia nitrogen resistant culture on nitrifying bacteria in the/O reaction tank.
5. The method for treating aquatic industrial wastewater according to claim 1 or 4, wherein: monitoring A2Phosphate concentration in wastewater at the water inlet end of the/O reaction tank, when the phosphate concentration gradient is increased, for A2And (3) carrying out salt-tolerant culture on nitrifying bacteria in the/O reaction tank.
6. The aquaculture industrial wastewater treatment method according to claim 1, characterized in that: lime and/or coagulant are added to carry out advanced treatment on the wastewater.
7. An aquatic product industry effluent disposal system which characterized in that: comprises an oil separation tank, an air flotation tank, an adjusting tank, an anaerobic tank and a tank A which are connected in sequence through pipelines2The treatment system comprises a/O reaction tank, a vertical flow type secondary sedimentation tank, an inclined tube sedimentation tank, a controller, a steam pipeline for introducing steam of a cooking boiler, and a water inlet pipe, wherein the oil separation tank is internally provided with a steam pipeline for introducing steam of the cooking boiler, and the water inlet pipe is connected with the controller2The water outlet end of the/O reaction tank is provided with an effluent ammonia nitrogen online detector for monitoring the ammonia nitrogen concentration in the wastewater at the water outlet endThe controller is in signal connection with the effluent ammonia nitrogen online detector according to A2And adjusting the temperature of the wastewater in the oil separation tank by the ammonia nitrogen concentration in the wastewater at the water outlet end of the/O reaction tank.
8. The aquaculture industrial wastewater treatment system of claim 7, wherein: a is described2The water inlet end of the/O reaction tank is provided with an inlet ammonia nitrogen online detector for monitoring the ammonia nitrogen concentration in the waste water at the water inlet end, the controller is further in signal connection with the inlet ammonia nitrogen online detector, and when the outlet ammonia nitrogen online detector detects that the ammonia nitrogen concentration is gradually increased, the controller is used for controlling the ammonia nitrogen concentration in the waste water at the water inlet end to be gradually increased2And (3) carrying out ammonia nitrogen resistant culture on nitrifying bacteria in the/O reaction tank.
9. The aquaculture industrial wastewater treatment system of claim 7 or 8, wherein: a is described2The water inlet end of the/O reaction tank is provided with an online detector for monitoring the concentration of phosphate in wastewater at the water inlet end, the controller is further in signal connection with the online detector, and when the online detector detects that the concentration gradient of the phosphate is increased, the controller is used for controlling the concentration of the phosphate in the wastewater at the water inlet end to be A2And (3) carrying out salt-tolerant culture on nitrifying bacteria in the/O reaction tank.
10. The aquaculture industrial wastewater treatment system of claim 7, wherein: a is described2the/O reaction tank is provided with an online DO instrument for controlling the aeration quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381957.XA CN114702204A (en) | 2022-04-12 | 2022-04-12 | Aquatic industrial wastewater treatment method and treatment system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381957.XA CN114702204A (en) | 2022-04-12 | 2022-04-12 | Aquatic industrial wastewater treatment method and treatment system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114702204A true CN114702204A (en) | 2022-07-05 |
Family
ID=82174433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210381957.XA Pending CN114702204A (en) | 2022-04-12 | 2022-04-12 | Aquatic industrial wastewater treatment method and treatment system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114702204A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0347600A (en) * | 1989-07-13 | 1991-02-28 | Agency Of Ind Science & Technol | Oil recovering from organic sludge |
| CN106116031A (en) * | 2016-07-28 | 2016-11-16 | 云南珠源环保工程有限公司 | A kind of efficient treatment process of slaughtering wastewater |
| CN106977055A (en) * | 2017-05-10 | 2017-07-25 | 舟山风扬环保科技有限公司 | A kind of seafood processing wastewater processing system and method for wastewater treatment |
| CN206751618U (en) * | 2017-05-10 | 2017-12-15 | 舟山风扬环保科技有限公司 | A kind of seafood processing wastewater processing system |
-
2022
- 2022-04-12 CN CN202210381957.XA patent/CN114702204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0347600A (en) * | 1989-07-13 | 1991-02-28 | Agency Of Ind Science & Technol | Oil recovering from organic sludge |
| CN106116031A (en) * | 2016-07-28 | 2016-11-16 | 云南珠源环保工程有限公司 | A kind of efficient treatment process of slaughtering wastewater |
| CN106977055A (en) * | 2017-05-10 | 2017-07-25 | 舟山风扬环保科技有限公司 | A kind of seafood processing wastewater processing system and method for wastewater treatment |
| CN206751618U (en) * | 2017-05-10 | 2017-12-15 | 舟山风扬环保科技有限公司 | A kind of seafood processing wastewater processing system |
Non-Patent Citations (3)
| Title |
|---|
| 唐玉斌: "水污染控制工程", vol. 1, 哈尔滨工业大学出版社, pages: 429 * |
| 田富强: "A2/O工艺在焦化废水处理中的应用", 《河南科技-能源与化学》, no. 6, 30 June 2018 (2018-06-30), pages 142 - 144 * |
| 高红武: "《水污染治理技术—工学结合教材（第二版）》", 31 January 2015, 中国环境出版社, pages: 305 - 306 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110697986B (en) | Bacteria-algae coupling sewage treatment device based on energy recycling and use method thereof | |
| CN103524001B (en) | Treatment method for high fat food processing wastewater | |
| CN103508641B (en) | High-fat food processing wastewater treatment method | |
| KR101368459B1 (en) | Food waste effluent anaerobic advanced treatment system | |
| CN208532552U (en) | A kind of potato starch wastewater processing system | |
| CN108101316B (en) | Asphalt production wastewater treatment process | |
| CN203593682U (en) | Stack gas condensate water treating device | |
| CN202519137U (en) | Combined treatment device of waste incineration field percolate | |
| CN102464420B (en) | Sewage physical-chemical treatment method | |
| CN104098235A (en) | Sewage treatment method of casing plant | |
| CN108275780A (en) | The nitrogenous petrochemical wastewater processing unit of novel height and the method for parameter adjustment | |
| CN103265151B (en) | Treatment method of heavy metal wastewater | |
| CN108191159B (en) | Kitchen garbage waste water non-membrane method processing system | |
| CN204625435U (en) | Pig farm wastewater treatment unit | |
| CN103524002A (en) | Treatment device for high grease food processing wastewater | |
| CN108178454B (en) | Non-membrane treatment method for kitchen waste wastewater | |
| CN111592104A (en) | Short-range efficient biological treatment device and treatment method for kitchen waste digestive juice | |
| CN216737990U (en) | Deep treatment system capable of achieving III-class water standard of surface water | |
| CN217103417U (en) | Treatment system for sewage of refuse landfill | |
| CN116495923A (en) | System and process for treating high ammonia nitrogen wastewater in pharmaceutical industry | |
| CN114702204A (en) | Aquatic industrial wastewater treatment method and treatment system thereof | |
| CN212712932U (en) | Short-range efficient biological treatment device for kitchen waste digestive juice | |
| CN203498230U (en) | High-fat food processing waste water treatment device | |
| CN211445406U (en) | Landfill leachate treatment device | |
| CN210340626U (en) | Blue algae deep dehydration wastewater treatment system |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220705 |