CN109264927A - A kind of processing unit and method of pharmaceutical wastewater - Google Patents
A kind of processing unit and method of pharmaceutical wastewater Download PDFInfo
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- CN109264927A CN109264927A CN201811179909.2A CN201811179909A CN109264927A CN 109264927 A CN109264927 A CN 109264927A CN 201811179909 A CN201811179909 A CN 201811179909A CN 109264927 A CN109264927 A CN 109264927A
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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
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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
- C02F11/121—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
-
- 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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of processing unit of pharmaceutical wastewater and methods, belong to technical field of sewage.Pharmaceutical wastewater processing unit of the invention includes grid, conditioning tank, flocculation sedimentation tank, anaerobic pond, contact-oxidation pool, secondary sedimentation tank, sterilization pool, sludge concentration tank, sludge dehydration device and accident pool, grid, conditioning tank, flocculation sedimentation tank, anaerobic pond, contact-oxidation pool, secondary sedimentation tank and sterilization pool are sequentially connected, the mud discharging mouth of flocculation sedimentation tank and secondary sedimentation tank is connect with sludge concentration tank, sludge concentration tank is connect with conditioning tank and sludge dehydration device respectively, sludge dehydration device is connect with conditioning tank, and sterilization pool is connect by accident pool with conditioning tank.By apparatus and method of the present invention treated pharmaceutical wastewater reaches " integrated wastewater discharge standard " (GB8978-1996) secondary standard, and treatment effect is stablized, and threat of the pharmaceutical wastewater to environment and human health can be effectively relieved.
Description
Technical field
The invention belongs to technical field of sewage, processing unit and side more specifically to a kind of pharmaceutical wastewater
Method.
Background technique
With the development of China's economic society, for medical and health industry also in quick increase, consequent is annual
The medicine production waste water largely generated.Pharmaceutical wastewater is that concentration is higher, more difficult to degrade, larger to environmental hazard, difficult to deal with
A kind of organic wastewater, water quality and quantity change greatly, as direct emission can constitute a serious threat to ecological environment and human health.
Summary of the invention
Goal of the invention: in view of the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide can be to medical waste water
A kind of processing unit of pharmaceutical wastewater of harmless treatment is carried out, another object of the present invention is to provide the doctors for using the device
Medicine wastewater treatment method.
Technical solution: to solve the above-mentioned problems, the technical solution adopted in the present invention is as follows:
A kind of processing unit of pharmaceutical wastewater, including grid, conditioning tank, flocculation sedimentation tank, anaerobic pond, contact-oxidation pool,
Secondary sedimentation tank, sterilization pool, sludge concentration tank, sludge dehydration device and accident pool, the grid, conditioning tank, flocculation sedimentation tank,
Anaerobic pond, contact-oxidation pool, secondary sedimentation tank and sterilization pool are sequentially connected, the spoil disposal of the flocculation sedimentation tank and secondary sedimentation tank
Mouth is connect with the sludge concentration tank, and the sludge concentration tank is connect with the conditioning tank and sludge dehydration device respectively, described
Sludge dehydration device is connect with the conditioning tank, and the sterilization pool is connect by the accident pool with the conditioning tank.
The gap of the grid is 5mm.
Setting perforation gas-distribution pipe in the anaerobic pond.
Filler is set in the contact-oxidation pool, and bottom of pond is equipped with the microporous aeration device connecting with air blower.
The material of the filler is polypropylene.
The secondary sedimentation tank is vertical sedimentation basin.
Chlorine dioxide generator is equipped in the sterilization pool.
The sludge dehydration device is belt filter press.
A kind of processing method of the pharmaceutical wastewater using above-mentioned processing unit, pharmaceutical wastewater is discharged into after grid filtration
The adjusting of conditioning tank progress water quality and water；Conditioning tank water outlet enters flocculation sedimentation tank and removes suspended material, and gained precipitating enters
Sludge concentration tank；Flocculation sedimentation tank water outlet enters anaerobic pond, will be big in waste water by anaerobic bacteria under anaerobic or anoxia condition
Molecular organic resolves into small-molecule substance；Anaerobic pond water outlet enters contact-oxidation pool, is further removed by aerobic microbiological
Organic pollutant in waste water；Contact-oxidation pool water outlet enters secondary sedimentation tank and carries out mud-water separation, and excess sludge drains into sludge
Concentration basin；Secondary sedimentation tank water outlet carry out disinfection into sterilization pool, such as water outlet it is not up to standard, by accident pool be discharged into conditioning tank into
Row reprocessing, is discharged if standard water discharge；Sludge in sludge concentration tank is concentrated, supernatant is back to conditioning tank, dense
It is discharged into sludge dehydration device after sludge addition adjusting material after contracting to be dehydrated, percolate is back to conditioning tank, mud cake outward transport.
Residence time of the waste water in conditioning tank is 2~6h, residence time in flocculation sedimentation tank is 1.5~
3h, the residence time in anaerobic pond are 6~8h, and the residence time in contact-oxidation pool is 10~15h, in secondary sedimentation tank
In residence time be 1.5~3h, residence time in sterilization pool is 20~45min.
The utility model has the advantages that compared with the prior art, the processed pharmaceutical wastewater of the present invention reaches " integrated wastewater discharge standard "
(GB8978-1996) secondary standard, and treatment effect is stablized, and pharmaceutical wastewater can be effectively relieved to the prestige of environment and human health
The side of body helps to solve the contradiction between economic development and environment protection.
Detailed description of the invention
Fig. 1 is the processing unit schematic diagram of pharmaceutical wastewater of the invention.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
Embodiment
A kind of pharmaceutical wastewater processing unit of the present embodiment, as shown in Figure 1, grid, conditioning tank, flocculation sedimentation tank, anaerobism
Pond, contact-oxidation pool, secondary sedimentation tank and sterilization pool are sequentially connected, the mud discharging mouth and sludge of flocculation sedimentation tank and secondary sedimentation tank
Concentration basin connection, sludge concentration tank are connect with conditioning tank and sludge dehydration device respectively, and sludge dehydration device is connect with conditioning tank,
Sterilization pool is connect by accident pool with conditioning tank.
Wherein:
The gap of grid is 5mm, and grid is mounted in grid canal, builds jointly with conditioning tank；Paddle is equipped in flocculation sedimentation tank
Blender and medicine-adding bin carry out adding for flocculant using dosing metering pump；Setting perforation gas-distribution pipe in anaerobic pond；Catalytic oxidation
Filler is set in pond, and filler is 3 D elastic filler, and material is polyolefin, and bottom of pond is equipped with the micro-pore aeration dress connecting with air blower
It sets；Secondary sedimentation tank is vertical sedimentation basin；Chlorine dioxide generator is equipped in sterilization pool；Paddle is arranged in sludge concentration tank to stir
Machine is mixed, chemicals dosing plant is set above pond body；Sludge dehydration device is belt filter press.
The size of conditioning tank is 6.0m × 3.0m × 4.5m, and the size of coagulative precipitation tank is 5.2m × 3.0m × 4.5m, is detested
The size in oxygen pond is 7.5m × 3.0m × 4.5m, and the size of contact-oxidation pool is 14m × 3.0m × 4.5m, the ruler of secondary sedimentation tank
Very little is 4.5m × 4.5m × 5.0m, and the size of sludge concentration tank is 4.0m × 4.0m × 5.0m, the size of accident pool be 10.0m ×
3.0m × 4.5m, the size of sterilization pool are as follows: 3.0m × 2.0m × 1.5m.
The design wastewater treatment maximum stream flow of the present apparatus is 300m3/d。
The processing of certain pharmaceutical wastewater is carried out using above-mentioned apparatus, the flow of the pharmaceutical wastewater is 300m3/ d, influent quality are
COD:2600mg/L, BOD5: 960mg/L, SS:400mg/L, pH:6~8, NH3- N:50mg/L.
Processing method are as follows: pharmaceutical wastewater is discharged into the adjusting that conditioning tank carries out water quality and water after grid filtration；It adjusts
It saves pond water outlet and enters flocculation sedimentation tank, flocculant poly aluminium chloride (PAC) is added and removes suspended material, gained precipitating enters sludge
Concentration basin；Flocculation sedimentation tank water outlet enters anaerobic pond, passes through anaerobic bacteria under anaerobic or anoxia condition for the macromolecular in waste water
Organic matter resolves into small-molecule substance；Anaerobic pond water outlet enters contact-oxidation pool, further removes waste water by aerobic microbiological
In organic pollutant；Contact-oxidation pool water outlet enters secondary sedimentation tank and carries out mud-water separation, and excess sludge drains into sludge condensation
Pond；Secondary sedimentation tank water outlet enters sterilization pool, is carried out disinfection using chlorine dioxide generator to waste water, as not up to standard in being discharged, and leads to
It crosses accident pool and is discharged into conditioning tank and reprocessed, discharged if standard water discharge；It is dense that sludge in sludge concentration tank is subjected to gravity
Contracting, supernatant are back to conditioning tank, are discharged into sludge dehydration device after sludge addition adjusting material polyacrylamide (PAM) after concentration
It is dehydrated, percolate is back to conditioning tank, mud cake outward transport.
Wherein, residence time of the waste water in conditioning tank is 6h, and the residence time in flocculation sedimentation tank is 3h, in anaerobism
Residence time in pond is 6h, and the residence time in contact-oxidation pool is 14h, and the residence time in secondary sedimentation tank is
2h, the residence time in sterilization pool are 45min.
The correlation water index of waste water after treatment is shown in Table 1, illustrates that final outflow water water quality fully meets " integrated wastewater
Discharge standard " (GB8978-1996) secondary standard.
The water quality indicator of 1 processed waste water of table
Claims (10)
1. a kind of processing unit of pharmaceutical wastewater, which is characterized in that including grid, conditioning tank, flocculation sedimentation tank, anaerobic pond, connect
Touch oxidation pond, secondary sedimentation tank, sterilization pool, sludge concentration tank, sludge dehydration device and accident pool, the grid, conditioning tank, wadding
Solidifying sedimentation basin, anaerobic pond, contact-oxidation pool, secondary sedimentation tank and sterilization pool are sequentially connected, the flocculation sedimentation tank and secondary heavy
The mud discharging mouth in shallow lake pond is connect with the sludge concentration tank, the sludge concentration tank respectively with the conditioning tank and sludge dehydration device
Connection, the sludge dehydration device are connect with the conditioning tank, and the sterilization pool is connected by the accident pool and the conditioning tank
It connects.
2. the processing unit of pharmaceutical wastewater according to claim 1, which is characterized in that the gap of the grid is 5mm.
3. the processing unit of pharmaceutical wastewater according to claim 1, which is characterized in that setting perforation is matched in the anaerobic pond
Tracheae.
4. the processing unit of pharmaceutical wastewater according to claim 1, which is characterized in that setting is filled out in the contact-oxidation pool
Material, bottom of pond are equipped with the microporous aeration device connecting with air blower.
5. the processing unit of pharmaceutical wastewater according to claim 4, which is characterized in that the material of the filler is poly- third
Alkene.
6. the processing unit of pharmaceutical wastewater according to claim 1, which is characterized in that the secondary sedimentation tank is vertical-flow
Sedimentation basin.
7. the processing unit of pharmaceutical wastewater according to claim 1, which is characterized in that be equipped with titanium dioxide in the sterilization pool
Chlorine generator.
8. the processing unit of pharmaceutical wastewater according to claim 1, which is characterized in that the sludge dehydration device is belt
Filter press.
9. a kind of processing method of the pharmaceutical wastewater using processing unit described in any one of claim 1~8, feature exist
In, pharmaceutical wastewater is discharged into after grid filtration conditioning tank carry out water quality and water adjusting；Conditioning tank water outlet enters flocculation
Sedimentation basin removes suspended material, and gained precipitating enters sludge concentration tank；Flocculation sedimentation tank water outlet enters anaerobic pond, in anaerobic or lacks
The larger molecular organics in waste water are resolved by small-molecule substance by anaerobic bacteria under the conditions of oxygen；Anaerobic pond water outlet enters contact oxygen
Change pond, the organic pollutant in waste water is further removed by aerobic microbiological；Contact-oxidation pool water outlet enters secondary sedimentation tank
Mud-water separation is carried out, excess sludge drains into sludge concentration tank；Secondary sedimentation tank water outlet carries out disinfection into sterilization pool, is such as discharged not
It is up to standard, conditioning tank is discharged by accident pool and is reprocessed, is discharged if standard water discharge；By the sludge in sludge concentration tank into
Row concentration, supernatant are back to conditioning tank, are discharged into sludge dehydration device after the sludge addition adjusting material after concentration and are dehydrated, are seeped
Filtrate is back to conditioning tank, mud cake outward transport.
10. the processing method of pharmaceutical wastewater according to claim 9, which is characterized in that the waste water is in conditioning tank
Residence time is 2~6h, and residence time in flocculation sedimentation tank is 1.5~3h, the residence time in anaerobic pond is 6~
8h, the residence time in contact-oxidation pool are 10~15h, and the residence time in secondary sedimentation tank is 1.5~3h, are being sterilized
Residence time in pond is 20~45min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179909.2A CN109264927A (en) | 2018-10-10 | 2018-10-10 | A kind of processing unit and method of pharmaceutical wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811179909.2A CN109264927A (en) | 2018-10-10 | 2018-10-10 | A kind of processing unit and method of pharmaceutical wastewater |
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| CN109264927A true CN109264927A (en) | 2019-01-25 |
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| CN201811179909.2A Pending CN109264927A (en) | 2018-10-10 | 2018-10-10 | A kind of processing unit and method of pharmaceutical wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092550A (en) * | 2019-06-12 | 2019-08-06 | 上海应用技术大学 | Medical sewage treatment simulator |
| CN113735383A (en) * | 2021-09-24 | 2021-12-03 | 江苏徐工工程机械研究院有限公司 | Multifunctional integrated sewage treatment system and method |
| CN115896067A (en) * | 2022-10-28 | 2023-04-04 | 江苏开放大学（江苏城市职业学院） | Sulfonylurea herbicide hydrolase TsmE mutant, and coding gene and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466882A (en) * | 2013-09-12 | 2013-12-25 | 安徽省绿巨人环境技术有限公司 | Livestock and poultry breeding wastewater treatment technology |
| CN105585222A (en) * | 2016-02-26 | 2016-05-18 | 河南科技学院 | Chemical sewage treatment device |
| CN206985955U (en) * | 2017-05-03 | 2018-02-09 | 黄滢芝 | Pharmacy wastewater treatment system |
| CN108467153A (en) * | 2018-05-02 | 2018-08-31 | 江苏大彭环保科技有限公司 | A kind of pharmaceutical wastewater treatment process |
| CN209065683U (en) * | 2018-10-10 | 2019-07-05 | 江苏开放大学（江苏城市职业学院） | A kind of processing unit being exclusively used in pharmaceutical wastewater |
-
2018
- 2018-10-10 CN CN201811179909.2A patent/CN109264927A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466882A (en) * | 2013-09-12 | 2013-12-25 | 安徽省绿巨人环境技术有限公司 | Livestock and poultry breeding wastewater treatment technology |
| CN105585222A (en) * | 2016-02-26 | 2016-05-18 | 河南科技学院 | Chemical sewage treatment device |
| CN206985955U (en) * | 2017-05-03 | 2018-02-09 | 黄滢芝 | Pharmacy wastewater treatment system |
| CN108467153A (en) * | 2018-05-02 | 2018-08-31 | 江苏大彭环保科技有限公司 | A kind of pharmaceutical wastewater treatment process |
| CN209065683U (en) * | 2018-10-10 | 2019-07-05 | 江苏开放大学（江苏城市职业学院） | A kind of processing unit being exclusively used in pharmaceutical wastewater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092550A (en) * | 2019-06-12 | 2019-08-06 | 上海应用技术大学 | Medical sewage treatment simulator |
| CN113735383A (en) * | 2021-09-24 | 2021-12-03 | 江苏徐工工程机械研究院有限公司 | Multifunctional integrated sewage treatment system and method |
| CN115896067A (en) * | 2022-10-28 | 2023-04-04 | 江苏开放大学（江苏城市职业学院） | Sulfonylurea herbicide hydrolase TsmE mutant, and coding gene and application thereof |
| CN115896067B (en) * | 2022-10-28 | 2023-11-21 | 江苏开放大学（江苏城市职业学院） | Sulfonylurea herbicide hydrolase Tsm mutant, encoding gene and application thereof |
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