CN103523867A - Micro electrolytic reactor and wastewater treatment method - Google Patents
Micro electrolytic reactor and wastewater treatment method Download PDFInfo
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- CN103523867A CN103523867A CN201310475230.9A CN201310475230A CN103523867A CN 103523867 A CN103523867 A CN 103523867A CN 201310475230 A CN201310475230 A CN 201310475230A CN 103523867 A CN103523867 A CN 103523867A
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Abstract
The invention relates to a wastewater treatment device and method, and discloses a micro electrolytic reactor comprising a container, the container bottom is provided with an aeration head, and a base filler zone is arranged in the container. Experimental results show that the COD removal rate is greater than 90%, the LAS (Linear Alkylbenzene Sulphonic Acid) removal rate is 97%, and LAS, COD and pH in effluent all meet emission standards.
Description
Technical field
The present invention relates to a kind for the treatment of unit and method of waste water.
Background technology
Owing to having the characteristics such as good washing, wetting, emulsification and solubilising, tensio-active agent almost has application at all industrial circles.The tensio-active agent of producing both at home and abroad at present belongs to anion surfactant (Anionic Surfactants.AS) more.Anion surfactant can and cause serious ecological hazard by multiple channel entered environment.Therefore, the processing containing anion surfactant waste water has been become to research topic very important in current water treatment.
The method of processing containing anion surfactant waste water mainly contains physico-chemical processes, biological process and combination treatment method, and wherein physico-chemical processes comprises the micro-electrolysis method rising in recent years.The electrochemical principle that micro-electrolysis method dissolves based on metallic corrosion, rely on the electrode reaction that forms microbattery in waste water, just can there is reactions such as catalyzed oxidation decomposition, coagulation, absorption, complexing and displacement in the pollutent in waste water, the pollutent in waste water is removed rapidly.At present more containing the research of linear alkylbenzene sulphonic acid class surface active agent wastewater to adopting micro-electrolysis treatment, but the research of using it for containing the processing of naphthalenesulfonate surface active agent wastewater is rarely had to report.
Summary of the invention
The present invention aims to provide a kind of method that waste water after making to process reaches the micro-electrolysis reactor of emission standard and processes waste water.
A kind of micro-electrolysis reactor of the present invention, comprises a container, and container bottom is equipped with aeration head, is provided with basic packing area in container.
Preferably, comprising: high concentration anionic surfactant waste water is joined in micro-electrolysis reactor claimed in claim 1, pass into air and get supernatant liquor after 2 hours.
More preferably, before micro-electrolysis reactor is used, first in basic packing area, add gac and iron filings, after with clear water, gac being rinsed well, more repeatedly use former water soaking to saturated, standby; The dilute sulphuric acid that is 3% with massfraction soaks 30 min by iron filings, then with clear water, rinses to neutral.
Experimental result shows, COD clearance > 90%, LAS clearance reaches 97%, and the LAS in water outlet, COD and pH all reach emission standard.
Accompanying drawing explanation
Fig. 1 is the structural representation of micro-electrolysis reactor.
Embodiment
Embodiment mono-.
As shown in Figure 1, it comprises a container 1 to micro-electrolysis reactor structure, and aeration head 2 is equipped with in container 1 bottom, is provided with basic packing area 3 in container 1, and basic filler has 30g gac C3,60g iron filings F3.Before test.After gac being rinsed well with clear water, more repeatedly use former water soaking to saturated, standby; The dilute sulphuric acid that is 3% with massfraction soaks 30 min by iron filings, removes Surface Fe oxide compound, then with clear water, rinses to neutral.
During use, first add pretreated iron filings and Mixture of Activated Carbon, pour in reactor vessel after waste water is adjusted to acidity, pass into air reaction certain hour, get supernatant liquor, measure its AS concentration and COD.
Claims (3)
1. a micro-electrolysis reactor, is characterized in that comprising a container (1), and container bottom is equipped with aeration head (2), is provided with basic packing area (3) in container.
2. process a method for waste water, it is characterized in that comprising: high concentration anionic surfactant waste water is joined in micro-electrolysis reactor claimed in claim 1, get supernatant liquor after passing into air 30 min.
3. the method for processing waste water as claimed in claim 2 before it is characterized in that micro-electrolysis reactor is used, first adds gac and iron filings in basic packing area (3), after with clear water, gac being rinsed well, more repeatedly uses former water soaking to saturated, standby; The dilute sulphuric acid that is 3% with massfraction soaks 30 min by iron filings, then with clear water, rinses to neutral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475230.9A CN103523867A (en) | 2013-10-13 | 2013-10-13 | Micro electrolytic reactor and wastewater treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310475230.9A CN103523867A (en) | 2013-10-13 | 2013-10-13 | Micro electrolytic reactor and wastewater treatment method |
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| CN103523867A true CN103523867A (en) | 2014-01-22 |
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| CN201310475230.9A Pending CN103523867A (en) | 2013-10-13 | 2013-10-13 | Micro electrolytic reactor and wastewater treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496091A (en) * | 2014-12-26 | 2015-04-08 | 东北电力大学 | Treatment method of wastewater containing high-concentration anion surfactant |
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2013
- 2013-10-13 CN CN201310475230.9A patent/CN103523867A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496091A (en) * | 2014-12-26 | 2015-04-08 | 东北电力大学 | Treatment method of wastewater containing high-concentration anion surfactant |
| CN104496091B (en) * | 2014-12-26 | 2016-04-27 | 东北电力大学 | A kind of containing high concentration anionic surfactant method of wastewater treatment |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140122 |
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| WD01 | Invention patent application deemed withdrawn after publication |