CN115340256A - CDMO pharmacy effluent disposal system - Google Patents
CDMO pharmacy effluent disposal system Download PDFInfo
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- CN115340256A CN115340256A CN202210904999.7A CN202210904999A CN115340256A CN 115340256 A CN115340256 A CN 115340256A CN 202210904999 A CN202210904999 A CN 202210904999A CN 115340256 A CN115340256 A CN 115340256A
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- 238000004062 sedimentation Methods 0.000 claims abstract description 32
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 22
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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Abstract
The invention discloses a CDMO pharmaceutical wastewater treatment system which is characterized by comprising a high-concentration high-salt wastewater collection tank, a high-concentration low-salt collection tank and a low-concentration collection tank, wherein the high-concentration high-salt wastewater collection tank, the high-concentration low-salt collection tank and the low-concentration collection tank are all connected with an adjusting tank, the adjusting tank is sequentially connected with a hydrolysis acidification tank, an anaerobic reactor, a secondary AO biochemical tank, a secondary sedimentation tank and a depth treatment system, and sludge generated by a low-concentration pretreatment system, the hydrolysis acidification tank, the anaerobic reactor and the secondary AO biochemical tank is communicated with a sludge dewatering system. According to the invention, concentrated sludge in a low-concentration pretreatment system, a hydrolytic acidification tank, an anaerobic reactor, a secondary sedimentation tank and a deep treatment system is pumped into a sludge dewatering system at regular time, is homogenized through aeration and stirring arranged in the tank, and then is pumped into a dewatering machine through a water pump, cation PAM is injected into the dewatering machine by matching with an automatic flocculating agent dosing device, the sludge is concentrated and dewatered through a membrane filter press, and dewatered mud cakes are transported outside uniformly.
Description
Technical Field
The invention relates to a CDMO pharmaceutical wastewater treatment system, which is used for treating wastewater generated in the CDMO pharmaceutical industry and belongs to the technical field of sewage treatment.
Background
The CDMO is a Contract Development management Organization in the whole process. The method provides research and development and production services of medicines for clients, comprises product development, process research, optimization, analysis and detection, preparation research, production of clinical samples, commercialized production and the like, is deeply butted with various supply chain systems of research and development, purchase, production and the like of enterprises from preclinical research, clinical test to commercial production stage, provides innovative process fireworks and large-scale production services for the enterprises, and replaces simple capacity output with technical output with higher added value.
Compared with CMO, the medicine contract customized research and development (CDMO) mode has customized research and development capacity and production capacity at the same time, and can provide integrated services from preclinical research to commercial production. From the perspective of pharmaceutical enterprises, the CDMO becomes a long-term strategic choice of pharmaceutical enterprises, from the perspective of CMO enterprises, the CDMO mode is beneficial to improving the opportunity of creating order for commercialized production of medicines, the technical added value is high, the profit space is large, and the comprehensive capacity of the enterprises is improved in cooperation with clients.
The main object of the CDMO service is the innovative pharmaceutical enterprise, which needs to perform process research and optimization on the process provided by the customer, thereby reducing the production cost, and even the CDMO company can be responsible for the design and development of the process route. In recent years, the domestic COMO industry is coming to develop a chance, is an inevitable direction of future development of medicine production, and has great development potential.
In view of the diversity and variability of products and production processes of CDMO enterprises, the waste water produced in the research and development production process often has large water quality and water quantity difference, and great difficulty is brought to waste water treatment. Traditional pharmacy enterprise wastewater treatment system often adopts great front end allotment pond to deal with the fluctuation of quality of water yield, though can alleviate the fluctuation of quality of water yield to a certain extent, can't carry out solitary effective treatment to various compositions in the waste water effectively, leads to follow-up processing unit's processing scale usually great, has increased the investment of wastewater treatment system construction. And the concentration of various pollutants is reduced after the preparation and dilution, so that the treatment efficiency of each treatment unit is correspondingly reduced, and the subsequent operation cost is increased invisibly.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the CDMO pharmaceutical wastewater treatment process with strong pertinence, high efficiency and convenient and stable operation is provided, the problems are solved, and the risk of excessive drainage and the cost and investment of wastewater treatment are reduced.
In order to solve the problems, the invention adopts the technical scheme that: the CDMO pharmaceutical wastewater treatment system is characterized by comprising a high-concentration high-salt wastewater collection pool, a high-concentration low-salt collection pool and a low-concentration collection pool which are arranged at the front end, wherein the high-concentration high-salt wastewater collection pool and the low-concentration collection pool are respectively connected with a high-concentration high-salt wastewater pretreatment system and a low-concentration pretreatment system; the biogas generated by the anaerobic reactor is communicated with a biogas treatment system.
Preferably, the second-stage AO biochemical tank comprises a first-stage anoxic tank, a first-stage aerobic tank, a second-stage anoxic tank and a second-stage aerobic tank which are sequentially connected in series, mixed liquor in the first-stage aerobic tank can flow back to the first-stage anoxic tank, one part of sludge in the second sedimentation tank flows back to the first-stage anoxic tank, and the other part of sludge is discharged to a sludge dewatering system; two oxygen deficiency ponds all adopt dive mixing system, and two good oxygen ponds all adopt efflux aeration systems, all are equipped with the circulating pump that is used for the defoaming in oxygen deficiency pond, the good oxygen pond and spray and defoaming spray set and cooling system, cooling system includes cold/hot circulating pump, cooling tower and plate heat exchanger.
Preferably, a basket filter, a cyclone desander, a sand-water separator and a high-efficiency precipitation reactor are sequentially arranged in the low-concentration pretreatment system; the efficient precipitation reactor is provided with a coagulant and a flocculant dosing system, the bottom of the efficient precipitation reactor is provided with a mud bucket for collecting sludge, and the bottom of the mud bucket is connected with a sludge dewatering system through a sludge pump.
Preferably, the high-concentration high-salinity wastewater pretreatment system is provided with evaporation equipment, the obtained distillate enters an adjusting tank for subsequent treatment, and the obtained waste salt is transported outside and separately treated.
Preferably, all be equipped with the perforation aeration equipment in high enriched high salt waste water collecting pit, the high enriched low salt collecting pit, the concentrated collecting pit of low and the equalizing basin, perforation aeration equipment and the roots blower intercommunication that is used for injecting into the air are equipped with the solenoid valve that can regularly aerate voluntarily on the roots blower.
Preferably, the hydrolysis acidification tank is internally provided with modular packing, and the hydrolysis acidification tank can be lifted and overhauled by a single module.
Preferably, a modular water distributor and a three-phase separator are arranged in the anaerobic reactor.
Preferably, the secondary sedimentation tank adopts a circumferential inlet and circumferential outlet radial flow structure, and an automatic mud scraping system is arranged in the secondary sedimentation tank.
Preferably, the sludge dewatering system adopts a diaphragm type filter press and is provided with a flocculating agent dosing device and a sludge tank for temporarily storing sludge.
Preferably, the advanced treatment system adopts an advanced oxidation reaction system matched with a coagulating sedimentation system, a water outlet of the advanced oxidation reaction system is communicated with a standard discharge port and is used for discharging wastewater after reaching the standard, a modularized inclined tube filler is arranged in the coagulating sedimentation system, a mud bucket for collecting sludge is arranged at the bottom of the coagulating sedimentation system, and the bottom of the mud bucket is connected with a sludge dewatering system through a sludge pump
Wastewater generated in production of CDMO pharmaceutical enterprises is classified and collected according to pollutant properties through a station sewage pipe network and enters a high-concentration high-salt wastewater collecting tank, a high-concentration low-salt collecting tank and a low-concentration collecting tank. After the wastewater in the high-concentration high-salinity wastewater collection tank is evaporated by the high-concentration high-salinity wastewater pretreatment system, the distillate enters an adjusting tank for temporary storage; waste water in the low-concentration collecting tank enters the regulating tank for temporary storage after passing through a basket filter, a cyclone desander, a sand-water separator and a high-efficiency sedimentation tank in the low-concentration and treatment system, and suspended substances with large diameters in raw water are removed, so that the normal operation of a subsequent treatment unit is ensured. Waste water in the high-concentration low-salt collecting tank directly enters the regulating tank to be temporarily stored, and aeration is carried out through the aeration device arranged in the regulating tank, so that the effects of homogenizing water quality and removing small organic pollutants are achieved. Waste water in the equalizing basin is promoted to the hydrolytic acidification pond through the water pump, degrades the polymer organic matter through the microorganism that attaches to on the modularization filler, promotes the biodegradability of waste water. The effluent of the hydrolysis acidification tank is lifted to an anaerobic system through a water pump, most organic matters are removed through anaerobic reaction, the anaerobic effluent enters a second-level A/O tank, a submersible stirrer is arranged in the anoxic tank and is used for being in a fluidized and turning form in the anoxic tank, and denitrifying flora is matched with the culture to remove pollutants such as total nitrogen in sewage. The anoxic tank automatically flows into the aerobic tank, and a jet aeration system is arranged in the aerobic tank and used for supplying oxygen to the activated sludge in the tank so as to remove pollutants such as organic matters, ammonia nitrogen and the like in the sewage. The mixed liquid in the aerobic tank flows back to the water inlet end of the anoxic tank through a water pump, and nitrate in the aerobic tank is provided for denitrifying flora. The mixed liquid in the aerobic tank automatically flows into a secondary sedimentation tank for mud-water separation, and suspended particles in the sewage are reduced. And (4) enabling the effluent of the secondary sedimentation tank to enter an advanced treatment system, fully contacting and reacting with sewage through the added oxidant, and then discharging the effluent up to the standard.
According to the invention, concentrated sludge in the low-concentration pretreatment system, the hydrolysis acidification tank, the anaerobic reactor, the secondary sedimentation tank and the advanced treatment system is pumped into a sludge tank of the sludge dewatering system at regular time through a water pump, is homogenized through aeration and stirring arranged in the tank, is pumped into a dewatering machine through the water pump, is matched with an automatic flocculating agent dosing device, is injected with cationic PAM into the dewatering machine, is concentrated and dewatered through a membrane filter press, and is transported out uniformly.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the production characteristics of CDMO pharmaceutical enterprises, the wastewater is respectively collected and independently treated according to the pollutant properties, so that the construction investment of a wastewater treatment system can be reduced, and the wastewater treatment efficiency can be improved.
2. The main reaction part adopts hydrolytic acidification, anaerobic treatment and a second-stage A/O process, and organic pollutants in the wastewater can be effectively removed through the hydrolytic acidification, the anaerobic treatment and the second-stage A/O process. The nitrification liquid in the second-level A/O flows back, and nitrification and denitrification reactions can occur in one reactor, so that the method has a good effect on removing ammonia nitrogen and total nitrogen.
3. The hydrolysis acidification of the main reaction part adopts modular packing, so that the installation and the maintenance are convenient.
4. The main reaction part adopts a modular water distribution system and a three-phase separator for anaerobic reaction, and is convenient to install and maintain.
5. The aerobic tank of the second-stage A/O tank of the main reaction part adopts a jet aeration system, so that the utilization rate of oxygen can be effectively improved, large-flow mixed circulation can be provided, the impact-resistant load capacity is enhanced, and the sedimentation of sludge and the scaling of salinity are avoided.
6. The main reaction part adopts a peripheral-in and peripheral-out radial-flow secondary sedimentation tank, the water distribution is uniform, the surface load is larger, the flow state is more favorable for sludge sedimentation, and the capital investment can be effectively reduced.
7. The tail end of the main reaction part is provided with an advanced treatment system which can be used as a guarantee measure for the water outlet of the front-end biochemical system.
Drawings
FIG. 1 is a process flow diagram of the CDMO pharmaceutical wastewater treatment system provided by the present invention.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1, the CDMO pharmaceutical wastewater treatment system provided by the present invention is characterized by comprising a high-concentration high-salt wastewater collection tank 1, a high-concentration low-salt collection tank 2, and a low-concentration collection tank 3, which are arranged at the front end, wherein the high-concentration high-salt wastewater collection tank 1 and the low-concentration collection tank 3 are respectively connected to a high-concentration high-salt wastewater pretreatment system 4 and a low-concentration pretreatment system 5, the high-concentration low-salt collection tank 2, the high-concentration high-salt wastewater pretreatment system 4, and the low-concentration pretreatment system 5 are all connected to an adjusting tank 6, the adjusting tank 6 is sequentially connected to a hydrolysis acidification tank 7, an anaerobic reactor 8, a secondary AO tank 9, a secondary sedimentation tank 10, and a deep treatment system 11, and sludge generated by the low-concentration pretreatment system 5, the hydrolysis acidification tank 7, the anaerobic reactor 8, and the secondary AO biochemical tank 9 is communicated with a sludge dewatering system 12; the methane generated by the anaerobic reactor 8 is communicated with a methane treatment system 13.
The second-stage AO biochemical tank 9 comprises a first-stage anoxic tank, a first-stage aerobic tank, a second-stage anoxic tank and a second-stage aerobic tank which are sequentially connected in series, mixed liquid in the first-stage aerobic tank can flow back to the first-stage anoxic tank, one part of sludge in the second sedimentation tank 10 flows back to the first-stage anoxic tank, and the other part of sludge is discharged to a sludge dewatering system 12; two oxygen deficiency ponds all adopt dive mixing system, and two good oxygen ponds all adopt efflux aeration systems, all are equipped with the circulating pump that is used for the defoaming in oxygen deficiency pond, the good oxygen pond and spray and defoaming spray set and cooling system, cooling system includes cold/hot circulating pump, cooling tower and plate heat exchanger.
The low-concentration pretreatment system 5 is sequentially provided with a basket filter, a cyclone desander, a sand-water separator and a high-efficiency precipitation reactor; the efficient precipitation reactor is provided with a coagulant and flocculant dosing system, the bottom of the efficient precipitation reactor is provided with a mud bucket for collecting sludge, and the bottom of the mud bucket is connected with a sludge dewatering system 12 through a sludge pump.
The high-concentration high-salinity wastewater pretreatment system 4 is provided with evaporation equipment, the obtained distillate enters the regulating tank 6 for subsequent treatment, and the obtained waste salt is transported outside and is separately treated.
All be equipped with the perforation aeration equipment in high enriched high salt waste water collecting pit 1, high enriched low salt collecting pit 2, low concentrated collecting pit 3 and the equalizing basin 6, perforation aeration equipment and the roots blower intercommunication that is used for pouring into the air are equipped with the solenoid valve that can automatic timing aerate on the roots blower.
And modular packing is arranged in the hydrolysis acidification tank 7.
A modularized water distributor and a three-phase separator are arranged in the anaerobic reactor 8.
The secondary sedimentation tank 10 adopts a circumferential inlet and circumferential outlet radial flow structure, and an automatic mud scraping system is arranged in the secondary sedimentation tank 10.
The sludge dewatering system 12 adopts a diaphragm type filter press and is provided with a flocculating agent dosing device and a sludge tank for temporarily storing sludge.
The process flow of the system is as follows:
1. wastewater generated in production of CDMO pharmaceutical enterprises is classified and collected into a high-concentration high-salt wastewater collecting tank 1, a high-concentration low-salt collecting tank 2 and a low-concentration collecting tank 3 according to the nature of pollutants through a station sewage pipe network;
2. after the wastewater in the high-concentration high-salinity wastewater collecting tank 1 is evaporated by the high-concentration high-salinity wastewater pretreatment system 4, the distillate enters the regulating tank 6 for temporary storage; the wastewater in the low-concentration collecting tank 3 passes through a basket filter, a cyclone desander, a sand-water separator and a high-efficiency sedimentation tank in a low-concentration pretreatment system 5 and then enters an adjusting tank 6 for temporary storage, suspended substances with larger diameters in raw water are removed, and the normal operation of a subsequent treatment unit is ensured; wastewater in the high-concentration low-salt collecting tank 2 directly enters the regulating tank 6 for temporary storage, and is aerated through an aeration device arranged in the regulating tank 6, so that the effects of homogenizing water quality and removing a small part of organic pollutants are achieved;
3. the wastewater in the regulating tank 6 is lifted to a hydrolysis acidification tank 7 by a water pump, and the high molecular organic matters are degraded by the microorganisms attached to the modular filler, so that the biodegradability of the wastewater is improved;
4. the effluent of the hydrolysis acidification tank 7 is lifted to an anaerobic reactor 8 by a water pump, most organic matters are removed by anaerobic reaction, and the anaerobic effluent enters a secondary AO biochemical tank 9;
5. a submersible mixer is arranged in the anoxic tank of the second-stage AO biochemical tank 9 and is used for removing pollutants such as total nitrogen in sewage in a fluidized and turning mode in the anoxic tank in cooperation with the cultured denitrifying bacteria; the anoxic tank automatically flows into the aerobic tank, and a jet aeration system is arranged in the aerobic tank and used for supplying oxygen to the activated sludge in the tank so as to remove pollutants such as organic matters, ammonia nitrogen and the like in the sewage. The mixed liquid in the aerobic tank flows back to the water inlet end of the anoxic tank through a water pump, and nitrate in the aerobic tank is provided for denitrifying flora; the mixed liquid in the aerobic tank automatically flows into a secondary sedimentation tank 10 for mud-water separation, so that suspended particles in the sewage are reduced;
6. the effluent of the secondary sedimentation tank enters an advanced treatment system 11, and is fully contacted and reacted with sewage through the added oxidant, so that the effluent reaches the standard and is discharged.
According to the invention, concentrated sludge in a low-concentration pretreatment system 5, a hydrolysis acidification tank 7, an anaerobic reactor 8, a secondary sedimentation tank 10 and a depth treatment system 11 is pumped into a sludge tank of a sludge dewatering system 12 at regular time through a water pump, homogenization is carried out through aeration stirring arranged in the tank, then the homogenized sludge is pumped into a dewatering machine through the water pump, cation PAM is injected into the dewatering machine by matching with an automatic flocculating agent dosing device, sludge is concentrated and dewatered through a membrane filter press, and dewatered sludge cakes are transported outside uniformly.
Claims (10)
1. The CDMO pharmaceutical wastewater treatment system is characterized by comprising a high-concentration high-salt wastewater collection tank (1), a high-concentration low-salt collection tank (2) and a low-concentration collection tank (3), wherein the front end of the high-concentration high-salt wastewater collection tank (1) and the low-concentration collection tank (3) are arranged, the high-concentration high-salt wastewater pretreatment system (4) and the low-concentration pretreatment system (5) are respectively connected with a high-concentration high-salt wastewater pretreatment system (4) and a low-concentration pretreatment system (5), the high-concentration low-salt wastewater pretreatment system (2), the high-concentration high-salt wastewater pretreatment system (4) and the low-concentration pretreatment system (5) are respectively connected with an adjusting tank (6), the adjusting tank (6) is sequentially connected with a hydrolysis acidification tank (7), an anaerobic reactor (8), a second-stage AO biochemical tank (9), a secondary sedimentation tank (10) and a depth treatment system (11), and sludge generated by the low-concentration pretreatment system (5), the hydrolysis acidification tank (7), the anaerobic reactor (8) and the second-stage AO biochemical tank (9) is communicated with a sludge dewatering system (12); the methane generated by the anaerobic reactor (8) is communicated with a methane treatment system (13).
2. The CDMO pharmaceutical wastewater treatment system process according to claim 1, wherein the secondary AO biochemical tank (9) comprises a primary anoxic tank, a primary aerobic tank, a secondary anoxic tank and a secondary aerobic tank which are connected in series in sequence, mixed liquor in the primary aerobic tank can flow back to the primary anoxic tank, a part of sludge in the secondary sedimentation tank (10) flows back to the primary anoxic tank, and the other part of sludge is discharged to the sludge dewatering system (12); two oxygen deficiency ponds all adopt dive mixing system, and two good oxygen ponds all adopt efflux aeration systems, all are equipped with the circulating pump that is used for the defoaming in oxygen deficiency pond, the good oxygen pond and spray and defoaming spray set and cooling system, cooling system includes cold/hot circulating pump, cooling tower and plate heat exchanger.
3. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein a basket filter, a cyclone desander, a sand-water separator and a high efficiency precipitation reactor are sequentially arranged in the low concentration pretreatment system (5); the efficient precipitation reactor is provided with a coagulant and flocculant dosing system, the bottom of the efficient precipitation reactor is provided with a mud bucket for collecting sludge, and the bottom of the mud bucket is connected with a sludge dewatering system (12) through a sludge pump.
4. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein the high-concentration high-salinity wastewater pretreatment system (4) is provided with an evaporation device, the obtained distillate enters the regulating tank (6) for subsequent treatment, and the obtained waste salt is transported out for separate disposal.
5. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein the high concentration high salt wastewater collection tank (1), the high concentration low salt collection tank (2), the low concentration collection tank (3) and the regulating tank (6) are all provided with a perforation aeration device, the perforation aeration device is communicated with a Roots blower for injecting air, and the Roots blower is provided with an electromagnetic valve capable of automatically timing aeration.
6. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein modular packing is provided within the hydrolysis acidification tank (7).
7. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein a modular water distributor and a three-phase separator are provided in the anaerobic reactor (8).
8. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein the secondary sedimentation tank (10) adopts a circumferential-in circumferential-out radial flow structure, and an automatic sludge scraping system is arranged in the secondary sedimentation tank (10).
9. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein the sludge dewatering system (12) is a diaphragm filter press and is provided with a flocculant dosing device and a sludge tank for temporarily storing sludge.
10. The CDMO pharmaceutical wastewater treatment system according to claim 1, wherein the advanced treatment system (11) adopts an advanced oxidation reaction system in cooperation with a coagulation sedimentation system, a water outlet of the advanced oxidation reaction system is communicated with a standard discharge port and is used for discharging wastewater after reaching standards, modular inclined tube packing is arranged in the coagulation sedimentation system, a mud bucket used for collecting sludge is arranged at the bottom of the coagulation sedimentation system, and the bottom of the mud bucket is connected with the sludge dewatering system (12) through a sludge pump.
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Cited By (1)
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