CN101423308A - Composite technique treatment method of sewage - Google Patents
Composite technique treatment method of sewage Download PDFInfo
- Publication number
- CN101423308A CN101423308A CNA2007101700190A CN200710170019A CN101423308A CN 101423308 A CN101423308 A CN 101423308A CN A2007101700190 A CNA2007101700190 A CN A2007101700190A CN 200710170019 A CN200710170019 A CN 200710170019A CN 101423308 A CN101423308 A CN 101423308A
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- China
- Prior art keywords
- sewage
- treatment
- microwave
- sedimentation
- potassium ferrate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a method for treating domestic sewage by a combination technique. The method comprises a first potassium ferrate treatment and a second microwave treatment. The method comprises the following steps: domestic sewage is subjected to denitrification treatment with potassium ferrate, removal of CODcr and BOD5 and sedimentation; supernatant sewage is separated, radiated by microwaves, denitrified to remove a majority of CODcr and BOD5, and then directly used for irrigation of agriculture and forestry, municipal engineering and so on, or added with lime for dephosphorization and settled to be reused or discharged. The method has advantages of greatly reduced treatment time, purification, strong impact bearing capacity, low operation and management cost, and has obvious sewage recycling benefits.
Description
1, technical field
The present invention relates to a kind of sanitary sewage combination technique treatment process, be specifically related to potassium ferrate primary treatment, microwave secondary treatment, be the water pollution control technology in Environmental Science and Engineering field, be applicable to municipal sewage treatment and agroforestry thereof, municipal resource utilization.
2, background technology
At present, domestic sewage denitrifying both domestic and external is handled mostly based on biological process.Its bacterial treatment condition harshness, duration, malodorous shortcoming are very outstanding.Therefore carrying out denitrogenation processing from another kind of angle has just had very direct realistic meaning.Utilize potassium ferrate, microwave to carry out denitrogenation and most COD cr, the BOD of sanitary sewage
5Handle, the potassium ion that the remaining total phosphorus and the adding of potassium ferrate are brought into is stayed and is made liquid manure in the sewage, is applicable to agroforestry irrigation and municipal water use.If resource utilization and will reach emission request not, can add discharging or reuse behind the calcium hydroxide precipitation phosphorus.This method can significantly reduce the treatment time, and pure materialization is handled, and the anti impulsion load ability is strong, and operation and handling cost are low, and sewage recycling benefits is obvious.
2, summary of the invention
The purpose of this invention is to provide a kind of novel sewage disposal technology, the present invention utilizes potassium ferrate (K for this reason
2FeO
4), microwave does denitrogenation processing, removes most COD cr, BOD sanitary sewage
5Deng handling to reach sewage recycling.In order to realize above purpose, the method that the present invention takes is that sewage is through K
2FeO
4Denitrogenation, remove CODcr, BOD
5After the processing, sedimentation.Isolated upper strata sewage has been disposed most COD cr, BOD after microwave radiation
5, or directly do usefulness such as agricultural irrigation, municipal administration, or add lime dephosphorization, final reuse of post precipitation or discharging.
3, embodiment
The invention will be further described below in conjunction with specific embodiment.Concrete implementation step of the present invention is: add 5mg-50mgK in the 100ml sanitary sewage
2FeO
4, the red-purple that is stirred well in the water disappears.After the sedimentation layering, upper strata sewage places microwave oven, and (the irradiation 5min-40min of 1000w～2500W), standing sedimentation 1h finish processing after separating upper strata sewage.If to wherein adding lime, total phosphorus can be removed to below the 2mg/L, but qualified discharge or reuse.
4, embodiment
Utilize the water inlet of certain sewage work to implement the present invention, at K
2FeO
4Dosage is 35mg/L, microwave power 1150W, and under the irradiation time 10min, treatment effect is as shown in the table.
List processing effect comparison (10 averages)
Claims (3)
1, a kind of combination technique treatment process of sanitary sewage, it comprises potassium ferrate primary treatment, microwave secondary treatment.
2, the potassium ferrate primary treatment described in the claim 1, microwave secondary treatment concrete steps are that sewage is through K
2FeO
4Denitrogenation, remove CODcr, BOD
5After the processing, sedimentation.Isolated upper strata sewage has been disposed most COD cr, BOD after the denitrogenation more through microwave radiation
5, directly do agricultural, municipal administration etc. and irrigate usefulness, or add lime dephosphorization, final reuse of post precipitation or discharging.
3, the described method of claim 2 is characterized in that: add 5mg-50mgK in the 100ml sanitary sewage
2FeO
4, the red-purple that is stirred well in the water disappears.After the sedimentation layering, upper strata sewage places microwave oven, and (the irradiation 5min-40min of 1000W～2500W), standing sedimentation 1h finish processing after separating upper strata sewage, do to irrigate and use.If to wherein adding lime, total phosphorus can be removed to below the 2mg/L, but qualified discharge or reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101700190A CN101423308A (en) | 2007-11-04 | 2007-11-04 | Composite technique treatment method of sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101700190A CN101423308A (en) | 2007-11-04 | 2007-11-04 | Composite technique treatment method of sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101423308A true CN101423308A (en) | 2009-05-06 |
Family
ID=40614220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101700190A Pending CN101423308A (en) | 2007-11-04 | 2007-11-04 | Composite technique treatment method of sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101423308A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080960A (en) * | 2015-08-06 | 2015-11-25 | 侯力玮 | Soil contamination treatment repairing particle and repairing method |
| CN105754605A (en) * | 2016-02-18 | 2016-07-13 | 侯力玮 | Treatment and repair particle and treatment and repair method for multiple heavy metal pollutants of soil |
-
2007
- 2007-11-04 CN CNA2007101700190A patent/CN101423308A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080960A (en) * | 2015-08-06 | 2015-11-25 | 侯力玮 | Soil contamination treatment repairing particle and repairing method |
| CN105754605A (en) * | 2016-02-18 | 2016-07-13 | 侯力玮 | Treatment and repair particle and treatment and repair method for multiple heavy metal pollutants of soil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Zonghui Document name: Notification of Publication of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Li Zonghui Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| DD01 | Delivery of document by public notice |
Addressee: Li Zonghui Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090506 |