CN105314790A - Treatment method being suitable for oil recovery sewage - Google Patents
Treatment method being suitable for oil recovery sewage Download PDFInfo
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- CN105314790A CN105314790A CN201410281594.8A CN201410281594A CN105314790A CN 105314790 A CN105314790 A CN 105314790A CN 201410281594 A CN201410281594 A CN 201410281594A CN 105314790 A CN105314790 A CN 105314790A
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- waste water
- oil recovery
- oil extraction
- recovery sewage
- treatment method
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Abstract
A treatment method being suitable for oil recovery sewage includes the steps of adsorbing organic substances in the oil recovery sewage with diatomite, performing flocculating precipitation with an inorganic salt flocculant or a high-molecular flocculant to remove the pollutants from the oil recovery sewage as more as possible, and finally performing further oxidizing treatment and medium adsorption through a contact oxidizing method without sludge expansion to obtain qualified reinjection water.
Description
Technical field
The present invention relates to a kind of purification treatment technology field of waste water.
Background technology
Along with the fast development of oil exploration industry, oil extraction waste water on the ground and the pollution level of underground more and more serious, the life that threaten people in various degree and living environment; At present, in petroleum wastewater treatment, one is adopt flocculent precipitation, in petroleum production wastewater, adding various flocculation chaste tree, making pollutent flocculation sediment, as added sodium hydroxid in oil extraction waste water, add polymeric aluminum again through first grade subsides, then complete wastewater treatment through sedimentation, buffering pressurization etc.; Two is utilize biological process to carry out purifying treatment; The former only has throwing out, and without adsorption, effectively can not remove the objectionable impurities in waste water, and treatment effect is not obvious; Independent employing Biochemical method oil extraction waste water, because oil extraction waste water temperature is high, variation water quality is large, and containing many polymers to the toxic effect of bacterial classification, the adaptability of bacterial classification is deteriorated, and various oil recovery auxiliary agent is various in style in addition, and oil extraction waste water organic components is complicated, saltiness is high, is difficult to reach re-set target by biochemical treatment.
Summary of the invention
The object of this invention is to provide one and be applicable to extraction wastewater treatment method, solve prior art without adsorption, the problem of Biochemical Treatment difference.
The technical solution adopted for the present invention to solve the technical problems is:
One is applicable to extraction wastewater treatment method, the method is: first utilize diatomite to adsorb the organism in oil extraction-generated waste water, and then adopt inorganic salt or polymeric flocculant to carry out flocculation sediment, after pollution substance in oil extraction-generated waste water is farthest removed, recycling carries out further oxide treatment and media adsorbs without the contact oxidation method of sludge bulking, obtains reinjected water up to standard.
Technical process of the present invention is as follows successively:
Oil extraction waste water, diatom absorption, flocculation sediment, catalytic oxidation, media adsorbs, media adsorbs, reinjected water.
Beneficial effect of the present invention: the lipophilicity utilizing diatomite stronger and superpower adsorptivity, the specific surface area of super large and the feature of easy flocculation sediment, organism in oil extraction waste water is adsorbed, and then under the effect of inorganic salt or flocculating polymer chaste tree, effectively carry out flocculation sediment, after pollution substance in waste water is farthest removed, recycle the further oxide treatment of contact oxidation method without sludge bulking and media adsorbs, obtain reinjected water up to standard.
Embodiment
Further describe the present invention by the following examples.
According to the main skill of above-described oil extraction waste water process, process is implemented to oil extraction waste water and is completed by following processing step:
1, diatom absorption: add 0.2 ~ 0.5kg terra silicea purificata in oil extraction waste water former water per ton, after adopting pressurized air paddling process to stir, sends into adsorption tank, adsorbs, adsorption time 1 ~ 1.5 hour to the pollution substance in waste water.
2, flocculation sediment: after reaching adsorption entails, adds inorganic polymer flocculant Tai-Ace S 150 10 ~ 30g/L or organic polymer coargulator allylamine 2 ~ 5g/L, stirs, flocculation time 1.5 ~ 2 hours in reaction tank.
3, catalytic oxidation; Upper clear supernate through flocculation sediment is sent into catalytic oxidation device, and when steam-water ratio 1: 10 ~ 15, pressurized air stirs, catalytic oxidation 5 ~ 6 hours.
4, the process water after catalytic oxidation is sent into medium filter device, reinjected water up to standard can be obtained after twice media adsorbs filters.
Claims (1)
1. one kind is applicable to extraction wastewater treatment method, the method is: first utilize diatomite to adsorb the organism in oil extraction-generated waste water, and then adopt inorganic salt or polymeric flocculant to carry out flocculation sediment, after pollution substance in oil extraction-generated waste water is farthest removed, recycling carries out further oxide treatment and media adsorbs without the contact oxidation method of sludge bulking, obtains reinjected water up to standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281594.8A CN105314790A (en) | 2014-06-23 | 2014-06-23 | Treatment method being suitable for oil recovery sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281594.8A CN105314790A (en) | 2014-06-23 | 2014-06-23 | Treatment method being suitable for oil recovery sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105314790A true CN105314790A (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410281594.8A Pending CN105314790A (en) | 2014-06-23 | 2014-06-23 | Treatment method being suitable for oil recovery sewage |
Country Status (1)
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| CN (1) | CN105314790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191123A (en) * | 2017-12-12 | 2018-06-22 | 常州禾吉纺织品有限公司 | A kind of sewage treatment system of oilfield |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960003921B1 (en) * | 1993-09-17 | 1996-03-23 | 포항종합제철주식회사 | Method for treatment of waste water from cold rolling plant |
| CN101113025A (en) * | 2006-07-27 | 2008-01-30 | 上海中油企业集团有限公司 | Sewage treatment method for oil production |
| CN103693803A (en) * | 2013-09-23 | 2014-04-02 | 江苏博大环保股份有限公司 | Treatment method of oil field re-injection produced water and system thereof |
-
2014
- 2014-06-23 CN CN201410281594.8A patent/CN105314790A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960003921B1 (en) * | 1993-09-17 | 1996-03-23 | 포항종합제철주식회사 | Method for treatment of waste water from cold rolling plant |
| CN101113025A (en) * | 2006-07-27 | 2008-01-30 | 上海中油企业集团有限公司 | Sewage treatment method for oil production |
| CN103693803A (en) * | 2013-09-23 | 2014-04-02 | 江苏博大环保股份有限公司 | Treatment method of oil field re-injection produced water and system thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191123A (en) * | 2017-12-12 | 2018-06-22 | 常州禾吉纺织品有限公司 | A kind of sewage treatment system of oilfield |
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Application publication date: 20160210 |
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| WD01 | Invention patent application deemed withdrawn after publication |