CN102701403A - Purifying treatment method of polyoxyethylene oleate with ozone - Google Patents
Purifying treatment method of polyoxyethylene oleate with ozone Download PDFInfo
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- CN102701403A CN102701403A CN2012100252253A CN201210025225A CN102701403A CN 102701403 A CN102701403 A CN 102701403A CN 2012100252253 A CN2012100252253 A CN 2012100252253A CN 201210025225 A CN201210025225 A CN 201210025225A CN 102701403 A CN102701403 A CN 102701403A
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- ozone
- polyoxyethylene oleate
- water
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Abstract
The invention discloses an automobile wastewater treatment method, particularly a purifying treatment method of polyoxyethylene oleate with ozone, belonging to the technical field of traffic environment. By detecting the pollutant concentration and regulating the reaction temperature and pH value, the polyoxyethylene oleate is completely decomposed into water and dischargeable carbon dioxide, thereby overcoming the defects in residual pollution and other aspects in the method in the prior art; and the amount of ozone required by completely decomposing polyoxyethylene oleate is calculated, and the opening of a water outlet valve and the flow of the introduced ozone are regulated and controlled to efficiently treat pollutants.
Description
Technical field
The present invention relates to a kind of automobile method of wastewater treatment, particularly free of contamination high-efficient treatment method belongs to the traffic environment technical field.
Background technology
In recent years; Along with fast development of Chinese economy; The appearance of a series of stimulation automobile consumption policies of country, the quantity of motor vehicle is how much formulas growths, the also fast development of carwash industry of arising at the historic moment in the street; By consequent automobile Cleaning Wastewater often enters sewer line, street without any processing, pollute in the flowers and plants, and often be principal pollutant in the wastewater from car washer with the polyoxyethylene oleate.Therefore, essential for the processing of polyoxyethylene oleate in the wastewater from car washer.
Existing process for treating waste water for car wash commonly used has: materialization treatment process, electrolytic process, membrane bioreactor, magnetic kind magnetic separation method etc.Wherein electrolytic process need not to add pharmaceutical chemicalss such as oxygenant, flocculation agent, convenient and flexible operation; Document " Li Bin; Li Yanglin. electrochemical process is handled the development [J] of carwash waste water recycling equipment. industrial safety and environmental protection; 2010; 5 (36): 9-10 " literary composition, confirmed that electrochemical method purifies the technical process and the basic parameter of wastewater from car washer equipment for reclaiming, water outlet has reached country and has reused water quality standard.But its equipment is huge, and power consumption is high, and reckons without the pollution that tensio-active agent brought in the automobile waste water; Membrane bioreactor is the efficient water treatment device that development in recent years is got up, and degradation efficiency is high, device compactness, succinct; Document " Han Fei, intact face is magnificent, and Chi Yichao; Tian Binghui is high rich. NACF carrier organism embrane method Treatment of Washing car waste water research [J]. environmental engineering journal, 2010; 4 (4): 751-755 " literary composition, point out at normal temperatures PH=6.5 ~ 7; Flooding quantity is when 30mL/min, and reactor drum reaches optimal operating parameter, and its effluent quality reaches the specified standard of the main water quality of car wash water in " miscellaneous domestic water quality standard " fully.But equipment needs under specific environment, to move, and is subject to the extraneous factor influence, and biomembrane activity has saturated phenomenon, can not work long hours.
Summary of the invention
In order to overcome the deficiency that there are aspects such as residual contamination in art methods; The present invention proposes the purifying treatment method of a kind of ozone to polyoxyethylene oleate; Through detection of contamination concentration, conditioned reaction temperature, pH value make polyoxyethylene oleate be decomposed into water and the carbonic acid gas that can discharge fully; And calculate polyoxyethylene oleate and decompose required ozone amount fully, reach efficient processing through the ozone flow of regulating control outlet valve aperture and feeding to pollutent.
The technical solution adopted for the present invention to solve the technical problems: a kind of ozone is characterized in may further comprise the steps to the purifying treatment method of polyoxyethylene oleate:
1, reaches 3.5mg/L when above at temperature 10 ~ 40
, the ozone content of pH value below 6.5, in the waste water, according to reaction formula
In the formula:
;
Ozone can carry out oxygenolysis completely to polyoxyethylene oleate, generates water and the carbonic acid gas that can discharge, and has eliminated the harm to water quality of polyoxyethylene oleate molecule and reaction derived products thereof;
2, through detecting Pollutant levels in the waste water; Allotment waste water solution to pH value is below 6.5; Temperature 10 ~ 40
; Determine the molar weight of polyoxyethylene oleate in the unit volume; According to when reaction polyoxyethylene oleate with the molar relationship ratio of ozone, determine the content of the required ozone of reaction;
3, wastewater from car washer filters and is convenient to gas, water blended container after supercharging feeds with ozone, through detecting the concentration of polyoxyethylene oleate, regulates control outlet valve aperture and ozone amount.
The invention has the beneficial effects as follows: the present invention is through the processing of ozone to surfactant polyoxyethylene oleic acid ester in the wastewater from car washer; Reduce even eliminate the exhaust emission of wastewater from car washer; And through detection to polyoxyethylene oleate content in the wastewater from car washer; Regulate ozone flow and outlet valve aperture, thereby reach energy-efficient.
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Description of drawings
Accompanying drawing 1 is the purifying treatment method principle assumption diagram of a kind of ozone of the present invention to polyoxyethylene oleate, among the figure: 1. water-in; 2. strainer; 3. concentration detection apparatus; 4. topping-up pump; 5. ozone inlet mouth; 6. mixing vessel; 7. outlet valve.
Embodiment
With reference to accompanying drawing 1, concrete steps are following:
1, reaches 3.5mg/L when above at temperature 10 ~ 40
, the ozone content of pH value below 6.5, in the waste water, according to reaction formula
In the formula:
;
Ozone can carry out oxygenolysis completely to polyoxyethylene oleate, the oxidation scission of two keys takes place and further break hydrogen bond, generates water and the carbonic acid gas that can discharge, and has eliminated the harm to water quality of original polyoxyethylene oleate molecule and reaction derived products thereof;
2, through detecting Pollutant levels in the waste water; Allotment waste water solution to pH value is below 6.5; Temperature 10 ~ 40
; The concentration of the polyoxyethylene oleate of sewage inlet is 200mg/L; The relative molecular mass of polyoxyethylene oleate is
; Can calculate the quality of polyoxyethylene oleate in one liter of waste water solution; Be converted into molar weight again and be about
mol; The 1mol polyoxyethylene oleate decomposes the ozone that needs to consume (
) mol fully; Thereby calculate the ozone of required
mol; When the ozone input is 4g/min; The ozone amount that calculates reaction in a minute is 0.083 mol; Can handle the polyoxyethylene oleate of
mol; The quality that is converted into polyoxyethylene oleate is
g; Consider solubleness and the reaction efficiency of ozone in water, need be in
L/min the flow rate control of outlet valve;
3, wastewater from car washer after filtering; Detect the concentration of polyoxyethylene oleate in the waste water through proofing unit; Is that the ozone of 4g/min feed mixing vessel with the hydraulic pressure of 0.4Mpa with air input through topping-up pump, through thorough mixing, adjusts the water valve aperture flow is remained in the 6.8L/min; More than 85%, ionic activity thing clearance is more than 90% at the monitoring of the water outlet after processing COD (COD) clearance.
Claims (1)
1. an ozone is characterized in that may further comprise the steps to the purifying treatment method of polyoxyethylene oleate:
(1) reaches 3.5mg/L when above at temperature 10 ~ 40, the ozone content of pH value below 6.5, in the waste water, according to reaction formula
In the formula:
;
Ozone can carry out oxygenolysis completely to polyoxyethylene oleate, generates water and the carbonic acid gas that can discharge, and has eliminated the harm to water quality of polyoxyethylene oleate molecule and reaction derived products thereof;
(2) through detecting Pollutant levels in the waste water; Allotment waste water solution to pH value is below 6.5, and temperature is determined the molar weight of polyoxyethylene oleate in the unit volume 10 ~ 40; According to when reaction polyoxyethylene oleate with the molar relationship ratio of ozone, determine the content of the required ozone of reaction;
(3) wastewater from car washer filters and is convenient to gas, water blended container after supercharging feeds with ozone, through detecting the concentration of polyoxyethylene oleate, regulates control outlet valve aperture and ozone amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100252253A CN102701403A (en) | 2012-02-06 | 2012-02-06 | Purifying treatment method of polyoxyethylene oleate with ozone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100252253A CN102701403A (en) | 2012-02-06 | 2012-02-06 | Purifying treatment method of polyoxyethylene oleate with ozone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102701403A true CN102701403A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100252253A Pending CN102701403A (en) | 2012-02-06 | 2012-02-06 | Purifying treatment method of polyoxyethylene oleate with ozone |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736887A (en) * | 2005-04-29 | 2006-02-22 | 吴学云 | Waste water resuing method of chemical method carwash |
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2012
- 2012-02-06 CN CN2012100252253A patent/CN102701403A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736887A (en) * | 2005-04-29 | 2006-02-22 | 吴学云 | Waste water resuing method of chemical method carwash |
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Application publication date: 20121003 |