CN103319044B - Processing method for methyldopa sewage - Google Patents
Processing method for methyldopa sewage Download PDFInfo
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- CN103319044B CN103319044B CN201310218278.1A CN201310218278A CN103319044B CN 103319044 B CN103319044 B CN 103319044B CN 201310218278 A CN201310218278 A CN 201310218278A CN 103319044 B CN103319044 B CN 103319044B
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- methyldopa
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Abstract
The invention relates to processing equipment and a processing method for methyldopa sewage. The equipment comprises a regulating tank, a Fenton oxidation reaction tank, a primary sedimentation tank, a hydrolysis acidification tank, an anoxia tank, an aerobic tank, and a secondary tank, wherein, the regulating tank, the Fenton oxidation reaction tank, the primary sedimentation tank, the hydrolysis acidification tank, the anoxia tank, the aerobic tank, and the secondary tank are connected in sequence and form integrated processing equipment. The processing equipment and the processing method for methyldopa sewage combine the advantages of advanced oxidation and biological processing together. Ammonia and nitrogen of methyldopa sewage processed by the processing equipment can be effectively degraded, and chroma and COD are decreased. Therefore the methyldopa sewage is processed to meet the demand of discharging into a pipe net. The processing equipment and the processing method for methyldopa sewage have the advantages of low processing cost, simple operation and easiness in control.
Description
Technical field
The present invention relates to a kind of sewage treatment equipment and treatment process thereof, be specifically related to a kind for the treatment of facility and treatment process thereof of methyldopa waste water, belong to pharmacy waste water processing technology field.
Background technology
Methyldopa is a kind of acceptor accumulation type cardiovascular agent, is confirmed as treating hypertensive national Class B basic medical insurance medicine, has good market outlook.Methyldopa factory effluent is mainly derived from technique mother liquor and washes in production process, its water quality and quantity fluctuation is larger, water quality is complicated, organism kinds is many, the multiple pollutants such as the ethylene dichloride that contains higher concentration, chlorine the third methyl esters, ammonia, alcohol, methyldopa, COD
crup to several ten thousand mg/L, but B/C is lower, and even lower than 0.2, salinity is up to 6000mg/L, and colourity, up to nearly thousand times, contains the inhibited adsorbable organochlorine (AOX) of biology simultaneously, and more than concentration reaches 100mg/L, intractability is very large.
Because methyldopa has variable color character under condition of different pH, its factory effluent not only has higher organic contamination, also exists strong sense organ to pollute.At present, not yet there is a kind of equipment and process that carries out specially effective processing for methyldopa waste water.
Therefore,, for solving the problems of the technologies described above, necessary treatment facility and the treatment process thereof that a kind of new methyldopa waste water is provided, to overcome described defect of the prior art.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide and a kind ofly can effectively realize organism (COD
cr) and the treatment facility of the methyldopa waste water of the efficient removal of colourity.
Another object of the present invention is to provide a kind for the treatment of process of methyldopa waste water.
For realizing above-mentioned the first object, the technical scheme that the present invention takes is: a kind for the treatment of facility of methyldopa waste water, and it comprises equalizing tank, Fenton oxidizing reaction pond, preliminary sedimentation tank, hydrolysis acidification pool, anoxic pond, Aerobic Pond and second pond; Wherein, described equalizing tank, Fenton oxidizing reaction pond, preliminary sedimentation tank, hydrolysis acidification pool, anoxic pond, Aerobic Pond are connected successively with second pond and form an integrated form treatment facility.
The treatment facility of methyldopa waste water of the present invention is further set to: in the bottom of described Aerobic Pond, be provided with a mud return line, this mud return line is connected to anoxic pond.
The treatment facility of methyldopa waste water of the present invention is also set to: in the bottom of described second pond, be provided with a mud vent pipe.
For realizing above-mentioned the second object, the technical scheme that the present invention takes is: a kind for the treatment of process of methyldopa waste water, and it comprises following processing step:
1), by methyldopa discharge of wastewater to equalizing tank, and in equalizing tank the residence time be 20 hours;
2), afterwards waste water is entered to Fenton oxidizing reaction pond, and add Fe in Fenton oxidizing reaction pond
2+and H
2o
2;
3), the water outlet in Fenton oxidizing reaction pond enters preliminary sedimentation tank after adding PAM;
4), the water outlet of preliminary sedimentation tank being entered to hydrolysis acidification pool and process, is 10 hours in the residence time of hydrolysis acidification pool;
5), the water outlet of hydrolysis acidification pool enters anoxic pond and Aerobic Pond processing successively;
6), the water outlet of Aerobic Pond enters second pond and carries out, after mud-water separation, by mud vent pipe, entering blowdown pipe network.
The treatment process of methyldopa waste water of the present invention is further: the reaction pH described step 2) is between 3-5, and the reaction times is 3 hours; Fe
2+dosage and H
2o
2dosage mol ratio be 0.8:4.
The treatment process of methyldopa waste water of the present invention is further: pyrite different-phase catalyst is contained in the bottom in described Fenton oxidizing reaction pond, and the order number of this catalyzer is 100-200 order, and consumption is 10g/L.
The treatment process of methyldopa waste water of the present invention is further: the PAM dosage in described step 3) is 10-20mg/L, and the coagulation time is 30 minutes, and waste water is 10 hours in the residence time of preliminary sedimentation tank.
The treatment process of methyldopa waste water of the present invention also can be: the sludge concentration of described anoxic pond is 5g/L, 10 hours residence time; The sludge concentration of described Aerobic Pond is 8.0g/L, and the residence time is 10 hours.
Compared with prior art, the present invention has following beneficial effect: the treatment facility of methyldopa waste water of the present invention and treatment process thereof combine the advantage of advanced oxidation and biological treatment, methyldopa waste water through this device processes, effective degradation of ammonia nitrogen, colourity and COD, processing can reach the requirement that enters pipe network, has low, the simple to operate advantages such as control that are easy to of processing cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the treatment facility of methyldopa waste water of the present invention.
Embodiment
Refer to shown in Figure of description 1, the present invention is a kind for the treatment of facility of methyldopa waste water, and it is comprised of several parts such as equalizing tank 1, Fenton oxidizing reaction pond 2, preliminary sedimentation tank 3, hydrolysis acidification pool 4, anoxic pond 5, Aerobic Pond 6 and second ponds 7.
Wherein, described equalizing tank 1, Fenton oxidizing reaction pond 2, preliminary sedimentation tank 3, hydrolysis acidification pool 4, anoxic pond 5, Aerobic Pond 6 are connected successively with second pond 7 and form an integrated form treatment facility.
In the bottom of described Aerobic Pond 6, be provided with a mud return line 8, this mud return line 8 is connected to anoxic pond 5, thereby the excess sludge of Aerobic Pond 6 bottoms is entered to anoxic pond 5, thereby can effectively carry out denitrogenation processing.
In the bottom of described second pond 7, be provided with a mud vent pipe 9, this mud vent pipe 9 is for discharging mud.
The technique of device processes methyldopa waste water of the present invention is as follows:
1), by methyldopa discharge of wastewater to equalizing tank, and in equalizing tank the residence time be 20 hours;
2), afterwards waste water is entered to Fenton oxidizing reaction pond, and add Fe in Fenton oxidizing reaction pond
2+and H
2o
2; Wherein, reaction pH is between 3-5, and the reaction times is 3 hours; Fe
2+dosage and H
2o
2dosage mol ratio be 0.8:4; And pyrite different-phase catalyst is contained in the bottom in described Fenton oxidizing reaction pond, and the order number of this catalyzer is 100-200 order, and consumption is 10g/L;
3), the water outlet in Fenton oxidizing reaction pond enters preliminary sedimentation tank after adding PAM; Wherein, described PAM dosage is 10-20mg/L, and the coagulation time is 30 minutes, and waste water is 10 hours in the residence time of preliminary sedimentation tank;
4), the water outlet of preliminary sedimentation tank being entered to hydrolysis acidification pool and process, is 10 hours in the residence time of hydrolysis acidification pool;
5), the water outlet of hydrolysis acidification pool enters anoxic pond and Aerobic Pond processing successively; Wherein, the sludge concentration of described anoxic pond is 5g/L, 10 hours residence time; The sludge concentration of described Aerobic Pond is 8.0g/L, and the residence time is 10 hours;
6), the water outlet of Aerobic Pond enters second pond and carries out, after mud-water separation, by mud vent pipe, entering blowdown pipe network.
Methyldopa waste water enters before equalizing tank 1 processing, and its water-quality guideline is as follows: COD
cr: 9980mg/L; Ammonia nitrogen: 55mg/L, 8000 times of colourities.
After process in Fenton oxidizing reaction pond 2, water-quality guideline is as follows: COD
cr: 2580 mg/L; Ammonia nitrogen: 45 mg/L, 1000 times of colourities.
Add after PAM flocculation, and enter after preliminary sedimentation tank 3 precipitations, water-quality guideline is as follows: COD
cr: 2120mg/L; Ammonia nitrogen: 28 mg/L, 500 times of colourities.
After hydrolysis acidification pool 4 is processed, water-quality guideline is as follows: COD
cr: 2000 mg/L; Ammonia nitrogen: 30 mg/L, 600 times of colourities.
After anoxic pond 5 and Aerobic Pond 6, water outlet is through second pond 7, and water-quality guideline is as follows: COD
cr: 460 mg/L; Ammonia nitrogen: 18 mg/L, 300 times of colourities.
Therefore, from above-mentioned data, can find out: methyldopa waste water, through above-mentioned art breading, can draw to draw a conclusion: COD, colourity and the ammonia nitrogen that by the method, can reduce water outlet.
Above embodiment is only the preferred embodiment of this creation, not in order to limit this creation, any modification of making, is equal to replacement, improvement etc., within all should being included in the protection domain of this creation within all spirit in this creation and principle.
Claims (3)
1. a treatment process for methyldopa waste water, its treatment facility adopting comprises equalizing tank, Fenton oxidizing reaction pond, preliminary sedimentation tank, hydrolysis acidification pool, anoxic pond, Aerobic Pond and second pond; Wherein, described equalizing tank, Fenton oxidizing reaction pond, preliminary sedimentation tank, hydrolysis acidification pool, anoxic pond, Aerobic Pond are connected successively with second pond and form an integrated form treatment facility; In the bottom of described Aerobic Pond, be provided with a mud return line, this mud return line is connected to anoxic pond; It is characterized in that: comprise following processing step:
1), by methyldopa discharge of wastewater to equalizing tank, and in equalizing tank the residence time be 20 hours;
2), afterwards waste water is entered to Fenton oxidizing reaction pond, and add Fe in Fenton oxidizing reaction pond
2+and H
2o
2; Wherein, reaction pH is between 3-5, and the reaction times is 3 hours; Fe
2+dosage and H
2o
2dosage mol ratio be 0.8:4; Pyrite different-phase catalyst is contained in bottom in described Fenton oxidizing reaction pond, and the order number of this catalyzer is 100-200 order, and consumption is 10g/L;
3), the water outlet in Fenton oxidizing reaction pond enters preliminary sedimentation tank after adding PAM; PAM dosage is 10-20mg/L, and the coagulation time is 30 minutes, and waste water is 10 hours in the residence time of preliminary sedimentation tank;
4), the water outlet of preliminary sedimentation tank being entered to hydrolysis acidification pool and process, is 10 hours in the residence time of hydrolysis acidification pool;
5), the water outlet of hydrolysis acidification pool enters anoxic pond and Aerobic Pond processing successively;
6), the water outlet of Aerobic Pond enters second pond and carries out, after mud-water separation, by mud vent pipe, entering blowdown pipe network.
2. the treatment process of methyldopa waste water as claimed in claim 1, is characterized in that: in the bottom of described second pond, be provided with a mud vent pipe.
3. the treatment process of methyldopa waste water as claimed in claim 1, is characterized in that: the sludge concentration of described anoxic pond is 5g/L 10 hours residence time; The sludge concentration of described Aerobic Pond is 8.0g/L, and the residence time is 10 hours.
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| CN201310218278.1A CN103319044B (en) | 2013-06-04 | 2013-06-04 | Processing method for methyldopa sewage |
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|---|---|---|---|
| CN201310218278.1A CN103319044B (en) | 2013-06-04 | 2013-06-04 | Processing method for methyldopa sewage |
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| CN103319044A CN103319044A (en) | 2013-09-25 |
| CN103319044B true CN103319044B (en) | 2014-12-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104310716A (en) * | 2014-11-03 | 2015-01-28 | 中国建筑第四工程局有限公司 | Wastewater treatment method |
| CN104803547B (en) * | 2015-03-25 | 2017-09-29 | 江苏博大环保股份有限公司 | A kind of sewage water treatment method of COW DM high chemical stability difficult for biological degradation |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101549907A (en) * | 2008-04-02 | 2009-10-07 | 天津膜天膜工程技术有限公司 | Membrane biologic reaction equipment and processing method for processing industrial waste water with high ammoniac nitrogen |
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2013
- 2013-06-04 CN CN201310218278.1A patent/CN103319044B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1631818A (en) * | 2003-12-23 | 2005-06-29 | 何义亮 | Organic waste water treatment process |
| KR20100046745A (en) * | 2008-10-28 | 2010-05-07 | 코오롱건설주식회사 | Methods of advanced wastewater treatment |
| CN102363546A (en) * | 2011-06-20 | 2012-02-29 | 上海明诺环境科技有限公司 | High salinity pharmaceutical wastewater processing system |
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| CN102674634A (en) * | 2012-05-22 | 2012-09-19 | 武汉华麟科技有限公司 | Treatment process of wastewater in coal chemical industry |
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| CB02 | Change of applicant information |
Address after: Binhai Industrial Park 312072 Zhejiang city of Shaoxing province Keqiao District Hing RD and North Road eleven Applicant after: SHAOXING KEQIAO RIVERSIDE WATER TREATMENT Co.,Ltd. Address before: 312072, Binjiang, Shaoxing province Shaoxing Binhai Industrial Zone, South Road, Zhejiang intersection Applicant before: Shaoxing County Jiangbin Water Treatment Co.,Ltd. |
|
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Free format text: CORRECT: APPLICANT; FROM: SHAOXING JIANGBIN WATER TREAT CO., LTD. TO: SHAOXING KEQIAO JIANGBIN WATER TREAT CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |