CN108455796A - A kind of pharmaceutical wastewater treatment process method - Google Patents
A kind of pharmaceutical wastewater treatment process method Download PDFInfo
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- CN108455796A CN108455796A CN201810273472.2A CN201810273472A CN108455796A CN 108455796 A CN108455796 A CN 108455796A CN 201810273472 A CN201810273472 A CN 201810273472A CN 108455796 A CN108455796 A CN 108455796A
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- waste water
- wastewater treatment
- treatment process
- reaction
- pond
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Classifications
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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
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
-
- 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
Abstract
The invention discloses a kind of pharmaceutical wastewater treatment process methods, are injected inside regulating reservoir by waste water caused by pharmacy；Waste water in regulating reservoir squeezes into reaction by proof submersible sand discharging pump and prepares pond；Waste water reacts the mode flow automatically after the completion in reaction preparation pond and enters multi-phase catalytic oxidation device；The waste water that multi-phase catalytic oxidation device comes out is entered in a manner of flowing automatically in coagulative precipitation tank；The water outlet gravity flow of coagulative precipitation tank enters hydrolysis acidification pool；Hydrolysis acidification pool water outlet gravity flow enters MBR aerobic tanks；The water outlet of the ponds MBR drains into clear water reserviors by self priming pump.The pharmaceutical wastewater treatment process method, substantially increase the biodegradability of medicine research and development wastewater treatment, and the sludge quantity of system generation can be reduced, system is structurally more saved the area, treatment effeciency higher, opposite cost investment and operation investment are all reduced, and overcome medicine research and development wastewater biodegradability poor, processing difficult to degrade, and the problem that waste water sludge output is big.
Description
Technical field
The present invention relates to pharmacy wastewater treatment technical field, specially a kind of pharmaceutical wastewater treatment process method.
Background technology
Currently, common medicine research and development waste water treatment process is by waste water comprehensive adjustment pond, intermediate regulations pond, micro-electrolysis reaction
Device, coagulative precipitation tank, hydrolysis acidification pool, aerobic reaction tank, secondary settling tank, clear water reserviors and sludge-tank composition.It is comprehensive that waste water enters waste water
After closing regulating reservoir, it is necessary to which pH value adjustment can be continued subsequent reaction at acidity.Micro-electrolysis reactor utilizes itself
Filler in acid condition, generates 1.2V potential differences, and waste water can form an electric field in micro-electrolysis reactor, can generate new
Ecological H+, Fe2+Redox reaction occurs Deng with many components in waste water.But in practical applications, micro-electrolysis reactor
In filler consumption it is excessive, substantially needed to compensate micro-electrolysis stuffing every 3-5 months.In micro-electrolysis reaction mistake
Cheng Zhong, due to the complicated component of waste water, the biodegradability of waste water itself is very poor, the waste water after existing micro-electrolysis reactor water outlet
Biodegradability still without what significant changes, and be unable to reach desired value for the removal efficiency of organic matter.Waste water into
Enter hydrolysis acidification pool after crossing coagulating sedimentation, has a large amount of sludge in hydrolysis acidification pool, and Sludge Bed is thicker, in anoxic pond
It needs enough power to stir, floats after being otherwise easy to cause sludge death.Cause systemic breakdown.Subsequently enter aerobic tank reaction
Pond.Current good sample reaction tank will produce a large amount of excess sludge using traditional activated sludge process in wastewater treatment process.
This work for resulting in discharge excess sludge can be frequent, increases operation cost.And in traditional activated sludge process, this is aerobic anti-
Ying Chihou, which needs to be separately provided a secondary settling tank, to be carried out special precipitation aerobic reaction tank and comes out mud mixture, and cost of investment is invisible
Middle increase.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of pharmaceutical wastewater treatment process method, solves and is easy to lead
It floats after causing sludge death, causes systemic breakdown, the work for discharging excess sludge can be frequent, the problem of increasing operation cost.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of pharmaceutical wastewater treatment process side
Method includes the following steps：
Step 1: waste water caused by pharmacy first injects inside regulating reservoir；
Step 2: the waste water in regulating reservoir squeezes into reaction by proof submersible sand discharging pump and prepares pond, reaction prepares to be equipped with PH in pond
Control device, mixed stirring device, it can be ensured that the condition of subsequent reactions is sufficient；
Step 3: waste water reaction prepare pond in react after the completion of, reaction prepare pond waste water by way of gravity flow into
Enter multi-phase catalytic oxidation device；
Step 4: the waste water that multi-phase catalytic oxidation device comes out is entered in a manner of flowing automatically in coagulative precipitation tank, coagulation
In sedimentation basin, except PH controllers, ORP controllers is additionally arranged outside blender, by the way that pH value is arranged, chemicals dosing plant is automatically controlled；
Step 5: the water outlet of coagulative precipitation tank, gravity flow enters hydrolysis acidification pool；
Step 6: hydrolysis acidification pool water outlet gravity flow enters MBR aerobic tanks；
Step 7: the water outlet of the ponds MBR drains into clear water reserviors after clear water reserviors wastewater recycle is up to standard by self priming pump and is arranged with centrifugal pump
To sewage network.
Preferably, it in step 2, needs reaction to be prepared sulfuric acid is added in pond, and then ensure the abundant of reaction.
Preferably, in step 3, when waste water to be treated flows through the electroluminescent heterogeneous catalysis advanced oxidation device of this set,
Under certain operating conditions, the hydroxyl free of a certain number of extremely strong oxidation susceptibilities of tool will be continuously generated in device
The coagulant of base (OH) and nascent state.
Preferably, the course that the hydroxyl radical free radical generates is as follows：
H2O2Generation：
It is adsorbed on the O of catalyst surface2By capturing electronics, peroxy radical ion O is formed2, then by solution
Series reaction formed H2O2：
O2+e→·O2 (1)
O2+H+→HO2· (2)
2HO2·→H2O2+O2 (3)
O2+HO2·→O2+HO2 (4)
HO2+H+→H2O2 (5)
The generation of OH：
H2O2+e→OH+·OH (6)
Or H2O2+Fe2+→Fe3++OH+·OH (7)
Preferably, in step 4, chemicals dosing plant carries out dosing to hydrogen peroxide, sodium hydroxide and polyacrylamide respectively.
Preferably, in step 4, the sludge of coagulative precipitation tank is discharged into sludge-tank, and sludge-tank supernatant is back to regulating reservoir
Reprocessing, the dewatered sludge periodically outer disposition of committee.
(3) advantageous effect
The present invention provides a kind of pharmaceutical wastewater treatment process methods.Has following advantageous effect：The pharmacy wastewater treatment
Process is injected by waste water caused by pharmacy inside regulating reservoir；Waste water in regulating reservoir is squeezed by proof submersible sand discharging pump
Reaction prepares pond；Waste water reacts the mode flow automatically after the completion in reaction preparation pond and enters multi-phase catalytic oxidation device；Multiphase
The waste water that catalyst oxidation reactor comes out is entered in a manner of flowing automatically in coagulative precipitation tank；The water outlet gravity flow of coagulative precipitation tank enters
Hydrolysis acidification pool；Hydrolysis acidification pool water outlet gravity flow enters MBR aerobic tanks；The water outlet of the ponds MBR drains into clear water reserviors by self priming pump, significantly
The biodegradability of medicine research and development wastewater treatment is improved, and the sludge quantity of system generation can be reduced, system is structurally more
Save the area, treatment effeciency higher, opposite cost investment and operation investment all reduced, personnel operation automation journey
Degree is high, has liberated labour, overcomes medicine research and development wastewater biodegradability poor, processing difficult to degrade, and the problem that waste water sludge output is big.
Description of the drawings
Fig. 1 is the process flow chart of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Process program is used by the invention solves its technical problem：Comprehensive wastewater is arranged by pipeline centralized collection
Enter to carry out mean value in regulating reservoir to measure, boring aeration device is equipped in regulating reservoir.
The embodiment of the present invention provides a kind of pharmaceutical wastewater treatment process method, as shown in Figure 1, including the following steps：
Step 1: waste water caused by pharmacy first injects inside regulating reservoir；
Step 2: the waste water in regulating reservoir squeezes into reaction by proof submersible sand discharging pump and prepares pond, reaction prepares to be equipped with PH in pond
Control device, mixed stirring device, it can be ensured that the condition of subsequent reactions is sufficient；
Step 3: waste water reaction prepare pond in react after the completion of, reaction prepare pond waste water by way of gravity flow into
Enter multi-phase catalytic oxidation device；The reactor is ingenious to be equipped with catalytic oxidation technologies, composition one from the principle of three-diemsnional electrode
The new very characteristic electroluminescent heterogeneous catalysis advanced oxidation treatment technology of kind.It is exactly specifically according to needing to remove in waste water
The type and property of pollutant, filled between two main electrodes efficient, nontoxic granulated proprietary material, catalyst and some
Adjuvant, composition remove the best complex packing material of certain or certain a class of pollutant as granule electrode.When to be treated
When waste water flows through this set electroluminescent heterogeneous catalysis advanced oxidation device.
Step 4: the waste water that multi-phase catalytic oxidation device comes out is entered in a manner of flowing automatically in coagulative precipitation tank, coagulation
In sedimentation basin, except PH controllers, ORP controllers is additionally arranged outside blender, by setting pH value, chemicals dosing plant is automatically controlled,
In coagulative precipitation tank, the property states of waste water can be intuitively reflected according to ORP value, be conducive to analyze water quality situation；
Step 5: the water outlet of coagulative precipitation tank, gravity flow enters hydrolysis acidification pool, compared with traditional hydrolysis acidification pool, this
MBBR fillers are added in hydrolysis acidification pool in technique, using the effect of propeller in hydrolysis acidification pool, filler are made to be suspended in water
In.And then formed suspension growth activated sludge and apposition growth biomembrane, this allow for moving-bed biofilm used it is whole
A space reactor gives full play to superiority of the attachment mutually with both suspended phase biologies, is allowed to maximize favourable factors and minimize unfavourable ones, be complementary to one another.It should
Process section floor space is small, and the utilization rate of pond body is high, investment reduction cost；
Step 6: hydrolysis acidification pool water outlet gravity flow enters MBR aerobic tanks, it is divided into 2 sections in MBR aerobic tanks, in the pond body of front end
Portion is equipped with biofilm filler, forms catalytic oxidation, adheres on filler convenient for microorganism, forms biomembrane, can effectively improve
The efficiency of going out of organic matter, saves floor occupying area；Rear end be equipped with 1 MBR membrane filter, external 2 self priming pumps, inlet pipeline with
MBR films link, and have 1 pressure gauge, 1 set of liquid level control system on pipeline；When high water level, the high signal provided according to liquid level, self-priming
Pump is automatic to be started；When low liquid level, low level signal is provided, self priming pump is automatically closed, when the numerical value of pressure gauge in pump process is less than
The parameter of numerical value, self priming pump can directly be stopped, and send out alarm, and operating personnel can know that MBR films need to clean in time；
The waste water that MBR films come out is clear water, eliminates special setting secondary settling tank and carries out mud-water separation；
Step 7: the water outlet of the ponds MBR drains into clear water reserviors after clear water reserviors wastewater recycle is up to standard by self priming pump and is arranged with centrifugal pump
To sewage network.
In the present invention, in step 2, need reaction to be prepared sulfuric acid is added in pond, and then ensure the abundant of reaction.
In the present invention, in step 3, when waste water to be treated flows through the electroluminescent heterogeneous catalysis advanced oxidation device of this set
When, the hydroxyl of a certain number of extremely strong oxidation susceptibilities of tool will be continuously generated under certain operating conditions, in device
The coagulant of free radical (OH) and nascent state, the pollutant in waste water, which will generate, to be such as catalyzed, aoxidizes, decomposing, is reduction, mixed
Solidifying, absorption etc.-serial physical chemical reaction, enables the organic pollution in waste water to remove rapidly.
In the present invention, the course that the hydroxyl radical free radical generates is as follows：
H2O2Generation：
It is adsorbed on the O of catalyst surface2By capturing electronics, peroxy radical ion O is formed2, then by solution
Series reaction formed H2O2：
O2+e→·O2 (1)
O2+H+→HO2· (2)
2HO2·→H2O2+O2 (3)
O2+HO2·→O2+HO2 (4)
HO2+H+→H2O2 (5)
The generation of OH：
H2O2+e→OH+·OH (6)
Or H2O2+Fe2+→Fe3++OH+·OH (7)
Multi-phase catalytic oxidation device can not only significantly improve the biodegradability of waste water, in practical applications, system
Generation sludge quantity very little, the same very little of consumption rate of the filler used itself, the 5% of annual filler consumption rate about dosage,
Operation cost is not only saved, but also because of the reduction of sludge output, mitigates the operating pressure of personnel.
In the present invention, in step 4, chemicals dosing plant respectively adds hydrogen peroxide, sodium hydroxide and polyacrylamide
Medicine.
In the present invention, in step 4, the sludge of coagulative precipitation tank is discharged into sludge-tank, and sludge-tank supernatant is back to adjusting
Pond is reprocessed, the dewatered sludge periodically outer disposition of committee.
Influent waste water COD is surveyed in example in Fig. 1：2500mg/L is discharged COD：115mg/L.Raw wastewater it is biochemical
Property is very low, is significantly improved by the wastewater biodegradability after multi-phase catalytic oxidation device.After subsequent processing, water outlet
Removal efficiency is up to 95.4%.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of pharmaceutical wastewater treatment process method, it is characterised in that：Include the following steps：
Step 1: waste water caused by pharmacy first injects inside regulating reservoir；
Step 2: the waste water in regulating reservoir squeezes into reaction by proof submersible sand discharging pump and prepares pond, reaction prepares to control equipped with PH in pond
Device, mixed stirring device, it can be ensured that the condition of subsequent reactions is sufficient；
Step 3: waste water after the completion of reacting reaction in preparation pond, reacts the waste water for preparing pond by way of gravity flow into more
Phase catalyst oxidation reactor；
Step 4: the waste water that multi-phase catalytic oxidation device comes out is entered in a manner of flowing automatically in coagulative precipitation tank, coagulating sedimentation
Chi Zhong, by the way that pH value is arranged, automatically controls chemicals dosing plant except PH controllers, ORP controllers is additionally arranged outside blender；
Step 5: the water outlet of coagulative precipitation tank, gravity flow enters hydrolysis acidification pool；
Step 6: hydrolysis acidification pool water outlet gravity flow enters MBR aerobic tanks；
Step 7: the water outlet of the ponds MBR drains into clear water reserviors by self priming pump, after clear water reserviors wastewater recycle is up to standard, dirt is drained into centrifugal pump
Grid.
2. a kind of pharmaceutical wastewater treatment process method according to claim 1, it is characterised in that：In step 2, need
Reaction is prepared sulfuric acid is added in pond, and then ensures the abundant of reaction.
3. a kind of pharmaceutical wastewater treatment process method according to claim 1, it is characterised in that：In step 3, when need
It, under certain operating conditions, will in device when waste water to be processed flows through this set electroluminescent heterogeneous catalysis advanced oxidation device
Continuously generate the coagulant of hydroxyl radical free radical (OH) and nascent state of a certain number of extremely strong oxidation susceptibilities of tool.
4. a kind of pharmaceutical wastewater treatment process method according to claim 3, it is characterised in that：The hydroxyl radical free radical production
Raw course is as follows：
H2O2Generation：
It is adsorbed on the O of catalyst surface2By capturing electronics, peroxy radical ion O is formed2, then by the one of solution
Serial reaction forms H2O2：
O2+e→·O2 (1)
O2+H+→HO2· (2)
2HO2·→H2O2+O2 (3)
O2+HO2·→O2+HO2 (4)
HO2+H+→H2O2 (5)
The generation of OH：
H2O2+e→OH+·OH (6)
Or H2O2+Fe2+→Fe3++OH+·OH (7) 。
5. a kind of pharmaceutical wastewater treatment process method according to claim 1, it is characterised in that：In step 4, dosing
Device carries out dosing to hydrogen peroxide, sodium hydroxide and polyacrylamide respectively.
6. a kind of pharmaceutical wastewater treatment process method according to claim 1, it is characterised in that：In step 4, coagulation
The sludge of sedimentation basin is discharged into sludge-tank, and sludge-tank supernatant is back to regulating reservoir reprocessing, the dewatered sludge periodically outer disposition of committee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273472.2A CN108455796A (en) | 2018-03-29 | 2018-03-29 | A kind of pharmaceutical wastewater treatment process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273472.2A CN108455796A (en) | 2018-03-29 | 2018-03-29 | A kind of pharmaceutical wastewater treatment process method |
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| CN108455796A true CN108455796A (en) | 2018-08-28 |
Family
ID=63238238
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| CN201810273472.2A Pending CN108455796A (en) | 2018-03-29 | 2018-03-29 | A kind of pharmaceutical wastewater treatment process method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499885A (en) * | 2020-10-21 | 2021-03-16 | 南京江岛环境科技研究院有限公司 | System and method for treating preparation wastewater by using multiphase multidimensional electrolysis pretreatment process + A/O + MBR |
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2018
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| WO2006109043A1 (en) * | 2005-04-09 | 2006-10-19 | University Of Abertay Dundee | Method for generating hydroxyl radicals |
| CN101746912A (en) * | 2008-12-16 | 2010-06-23 | 中山市紫方环保技术有限公司 | Method for treating high-concentration organic industrial waste water and equipment thereof |
| CN103663869A (en) * | 2013-12-05 | 2014-03-26 | 武汉宏澳绿色能源工程有限责任公司 | Device and method for treating high density organic waste water by multiphase photocatalysis combined film bioreactor |
| CN205528224U (en) * | 2016-03-23 | 2016-08-31 | 四川希望环保工程技术有限公司 | Chemical synthesis pharmacy effluent disposal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499885A (en) * | 2020-10-21 | 2021-03-16 | 南京江岛环境科技研究院有限公司 | System and method for treating preparation wastewater by using multiphase multidimensional electrolysis pretreatment process + A/O + MBR |
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