CN106630399A - Method for treating oily sewage by electrocatalytic oxidation MBR combined technology - Google Patents
Method for treating oily sewage by electrocatalytic oxidation MBR combined technology Download PDFInfo
- Publication number
- CN106630399A CN106630399A CN201611095959.3A CN201611095959A CN106630399A CN 106630399 A CN106630399 A CN 106630399A CN 201611095959 A CN201611095959 A CN 201611095959A CN 106630399 A CN106630399 A CN 106630399A
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- CN
- China
- Prior art keywords
- sewage
- electrocatalytic oxidation
- mbr
- polluted water
- oil
- Prior art date
- 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.)
- Pending
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Classifications
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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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
- 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
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a method for treating oily sewage by an electrocatalytic oxidation MBR combined technology, wherein the toxic organic matters and high-concentration COD are removed at the same time, and qualified effluent quality can be obtained. The technical scheme is that the method comprises the following specific steps: (1) the oily sewage is collected together into an adjusting tank which realizes the functions of buffer adjustment of water volume and preliminary settling separation of sewage; (2) the sewage of the adjusting tank enters an electrocatalytic oxidation system through a lift pump, wherein large colloidal impurities and suspended impurities are coagulated and removed, the easily-degraded organic matters are completely decomposed, and the difficultly-degraded organic matters are partially degraded, and the pollutants are partially removed through a filtering area; and (3) decomposition is performed, the sewage with improved biodegradability is further subjected to biochemical treatment of MBR technology, and finally the sewage is discharged up to standard.
Description
Technical field
The present invention relates to a kind of method of water-treatment technology field, at specifically a kind of electrocatalytic oxidation MBR combinations technique
The method of reason oil-polluted water, using electro-catalytic oxidation technology the biodegradable of waste water, then the MBR biochemistry works that Jing is follow-up are improved
Skill carries out biochemical treatment, it is ensured that sewage disposal is qualified.
Background technology
Oil-polluted water complicated component, and containing various toxic organic compounds, COD value is higher, with state environment protecting standard
Increasingly improve, the requirement to oily waste water treatment is also more and more stricter.Traditional oil removal, coagulation air-float, biochemical combined treatment work
Chemical flocculation is required for adding a large amount of flocculant with air-float technology in skill, and equipment volume is big, and occupation of land is more, and subsequent treatment process is multiple
It is miscellaneous；Biochemical processing can only process the material of bio-degradable in oily waste water, and high concentration oil-polluted water complicated component, always
Body treatment effect is simultaneously bad, it is difficult to meet new discharge standard require, needs to carry out sewage disposal using novel process.
Electro-catalytic oxidation technology is a kind of newer technology in sewage treatment area, in the electric field using with catalytic performance
Electrode promote to bring it about electron transfer reaction, produce the hydroxyl radical free radical (HO) with Strong oxdiative ability or other free radicals
With the organic pollution in radical oxidation solution so as in a part of degradable Organic substance be completely decomposed into harmless H2O and
CO2；Another part hardly degraded organic substance or bio-toxicity pollutant are converted into biodegradable material, and that improves waste water can be biological
Degradability.Again Jing follow-up MBR biochemical process carries out biochemical treatment, it is ensured that sewage disposal is qualified.
The content of the invention
The purpose of the present invention is combined PROCESS FOR TREATMENT high concentration oil-polluted water in a kind of electrocatalytic oxidation MBR, while remove having
Malicious Organic substance and high concentration COD, are obtained in that qualified effluent quality.The present invention is achieved by the following technical solutions, tool
Body comprises the steps：
(1) oil-polluted water centralized collection enters regulating reservoir, and regulating reservoir plays water yield dash adjustment and Preliminary sewage is settled
Detached effect.
(2) the boosted pump of regulating reservoir sewage is lifted into electrocatalytic oxidation system, big colloidal state impurity, suspended impurity cohesion
Remove, degradable Organic substance decomposes completely, then not degradable organic moiety degraded removes part dirty Jing after filtering area
Dye thing.
(3) through decomposing, the sewage that biodegradability is improved carries out biochemical treatment further across MBR techniques, last up to standard
Discharge.
Specific embodiment
Embodiments of the invention are elaborated below：The present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
Embodiment 1
Sewage-treatment plant Design Treatment amount is 0.1L/h, sewage successively adjusted pond (dischargeable capacity 2L, during hydraulic retention
Between 20h) impurity and sump oil in sewage is carried out into preliminary sedimentation separate and remove；Then by sewage lifting to electrocatalytic oxidation system
System, electrocatalytic oxidation system point electrolytic flocculation area and catalysis oxidation area, electrolytic flocculation area is mainly used in big colloidal state impurity, suspends
Impurity cohesion is removed, and treating technology area is mainly degraded organic pollution；Then Jing filtrations area enters one to water quality
Step purification.Wherein：
(1) electric flocculation area has electric flocculation and electric flotation function (voltage 1.5V, electric current density 20mA/cm simultaneously2, waterpower
Time of staying 2h), two kinds of function synergic effects can remove in sewage compared with a large amount of colloidal state impurity and suspended impurity of difficult degradation.
(2) treating technology area is using DSA classes three-dimensional electro catalytic electrode (voltage 10V, electric current density 100mA/cm2, water
Power time of staying 2h), with direct oxidation and indirect oxidation function, dirty Organic substance in water is decomposed into into H2O、CO2It is simple with other
Compound, while killing microorganisms.
(3) filtering area adopts active carbon filter (rate of filtration 8L/h), removes the deliquescent organic dirt in part in sewage
Dye thing.
(4) finally (dissolved oxygen concentration 2.5mg/L, hydraulic detention time 4h) is processed using MBR techniques, is further gone
Removal organic polluter, it is easier to obtain qualified water.
Claims (3)
1. a kind of method that electrocatalytic oxidation MBR is combined PROCESS FOR TREATMENT oil-polluted water, it is characterised in that specifically include following step
Suddenly：
(1) oil-polluted water centralized collection enters regulating reservoir, and regulating reservoir plays water yield dash adjustment and settlement separate to Preliminary sewage
Effect.
(2) the boosted pump of regulating reservoir sewage is lifted into electrocatalytic oxidation system, and big colloidal state impurity, suspended impurity cohesion are gone
Remove, degradable Organic substance decomposes completely, then not degradable organic moiety degraded removes partial contamination Jing after filtering area
Thing.
(3) through decomposing, the sewage that biodegradability is improved carries out biochemical treatment, last qualified discharge further across MBR techniques.
The method that a kind of electrocatalytic oxidation MBR as described in claim 1 step is combined PROCESS FOR TREATMENT oil-polluted water, it is characterised in that
Oil-polluted water centralized collection described in step (1) enters regulating reservoir, and regulating reservoir plays water yield dash adjustment and to Preliminary sewage
Settlement separate effect.
2. the method that a kind of electrocatalytic oxidation MBR as claimed in claim 1 is combined PROCESS FOR TREATMENT oil-polluted water, its feature exists
In the sewage described in step (2) enters electrocatalytic oxidation system point electrolytic flocculation area and catalysis oxidation area, electrolytic flocculation area master
It is used to big colloidal state impurity, suspended impurity cohesion remove, treating technology area is mainly degraded organic pollution；
Then Jing activated carbons are filtered to purification of water quality.
3. the method that a kind of electrocatalytic oxidation MBR as claimed in claim 1 is combined PROCESS FOR TREATMENT oil-polluted water, its feature exists
In the Biodegradability of Wastewater described in step (3) is increased substantially, and further across MBR techniques biochemical treatment is carried out, and is finally reached
Mark discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095959.3A CN106630399A (en) | 2016-12-02 | 2016-12-02 | Method for treating oily sewage by electrocatalytic oxidation MBR combined technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095959.3A CN106630399A (en) | 2016-12-02 | 2016-12-02 | Method for treating oily sewage by electrocatalytic oxidation MBR combined technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106630399A true CN106630399A (en) | 2017-05-10 |
Family
ID=58814299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611095959.3A Pending CN106630399A (en) | 2016-12-02 | 2016-12-02 | Method for treating oily sewage by electrocatalytic oxidation MBR combined technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106630399A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640440A (en) * | 2018-06-07 | 2018-10-12 | 南京工程学院 | A kind of processing method of food and drink waste water |
| CN108773974A (en) * | 2018-06-07 | 2018-11-09 | 南京工程学院 | A kind of processing method of oil extraction waste water |
| CN109437453A (en) * | 2018-12-21 | 2019-03-08 | 中国石油大学(北京) | A kind for the treatment of method and apparatus of chemical passivation oily wastewater |
| CN111847769A (en) * | 2020-07-01 | 2020-10-30 | 山东电力工程咨询院有限公司 | Small-sized transformer substation domestic sewage treatment system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723549A (en) * | 2009-12-10 | 2010-06-09 | 上海宝钢化工有限公司 | Method for recycling and treating coking wastewater |
| CN205740593U (en) * | 2016-05-11 | 2016-11-30 | 西南石油大学 | A kind of molten pneumoelectric catalytic oxidizing equipment of oil extraction waste water reinjection technology |
-
2016
- 2016-12-02 CN CN201611095959.3A patent/CN106630399A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723549A (en) * | 2009-12-10 | 2010-06-09 | 上海宝钢化工有限公司 | Method for recycling and treating coking wastewater |
| CN205740593U (en) * | 2016-05-11 | 2016-11-30 | 西南石油大学 | A kind of molten pneumoelectric catalytic oxidizing equipment of oil extraction waste water reinjection technology |
Non-Patent Citations (2)
| Title |
|---|
| 丁桓如 编著: "《水中有机物及吸附处理》", 30 June 2016 * |
| 张春晖 等著: "《电化学技术在水处理中的研究与应用》", 30 September 2013 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640440A (en) * | 2018-06-07 | 2018-10-12 | 南京工程学院 | A kind of processing method of food and drink waste water |
| CN108773974A (en) * | 2018-06-07 | 2018-11-09 | 南京工程学院 | A kind of processing method of oil extraction waste water |
| CN109437453A (en) * | 2018-12-21 | 2019-03-08 | 中国石油大学(北京) | A kind for the treatment of method and apparatus of chemical passivation oily wastewater |
| CN111847769A (en) * | 2020-07-01 | 2020-10-30 | 山东电力工程咨询院有限公司 | Small-sized transformer substation domestic sewage treatment system and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170510 |