CN102701410A - Method using ozone for purification treatment of lauryl polyoxyethylene ether triethanolamine sulfate - Google Patents
Method using ozone for purification treatment of lauryl polyoxyethylene ether triethanolamine sulfate Download PDFInfo
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- CN102701410A CN102701410A CN2012100252323A CN201210025232A CN102701410A CN 102701410 A CN102701410 A CN 102701410A CN 2012100252323 A CN2012100252323 A CN 2012100252323A CN 201210025232 A CN201210025232 A CN 201210025232A CN 102701410 A CN102701410 A CN 102701410A
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- ozone
- sulfuric acid
- acid trolamine
- dodecyl soxylat
- water
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Abstract
The invention belongs to the technical field of traffic environments, discloses an automotive wastewater treatment method and particularly relates to a method using ozone for purification treatment of lauryl polyoxyethylene ether triethanolamine sulfate. The lauryl polyoxyethylene ether triethanolamine sulfate is completely decomposed to water, NH4+, SO42- and dischargeable carbon dioxide by means of pollutant concentration detection and reaction temperature adjustment so that the shortages of residual pollution and the like of existing technical methods are overcome, and efficient treatment of pollutants can be achieved by computing the ozone amount required by complete decomposition of the lauryl polyoxyethylene ether triethanolamine sulfate and adjusting and controlling openness of a water outlet valve and ozone feeding flow rate.
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 be principal pollutant often in the wastewater from car washer with dodecyl Soxylat A 25-7 sulfuric acid trolamine.Therefore, essential for the processing of dodecyl Soxylat A 25-7 sulfuric acid trolamine 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 dodecyl Soxylat A 25-7 sulfuric acid trolamine; Through detection of contamination concentration; The conditioned reaction temperature makes dodecyl Soxylat A 25-7 sulfuric acid trolamine be decomposed into water, NH fully
4 +, SO
4 2-With the carbonic acid gas that can discharge, and calculate dodecyl Soxylat A 25-7 sulfuric acid trolamine and decompose required ozone amount fully, reach efficient processing pollutent through the ozone flow of regulating control outlet valve aperture and feeding.
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 dodecyl Soxylat A 25-7 sulfuric acid trolamine:
1, in temperature 10 ~ 40
, pH value below 6; Ozone content in the waste water reaches 3.5mg/L when above, according to reaction formula
Ozone can carry out oxygenolysis completely to dodecyl Soxylat A 25-7 sulfuric acid trolamine, generates water, NH
4 +, SO
4 2-With the carbonic acid gas that can discharge, eliminated the harm of dodecyl Soxylat A 25-7 sulfuric acid trolamine molecule and reaction derived products thereof to water quality;
2, through detecting Pollutant levels in the waste water; Allotment waste water solution to pH value is below 6; Temperature 10 ~ 40
; Determine the molar weight of dodecyl Soxylat A 25-7 sulfuric acid trolamine in the unit volume; According to when reaction dodecyl Soxylat A 25-7 sulfuric acid trolamine 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 dodecyl Soxylat A 25-7 sulfuric acid trolamine, 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 tensio-active agent dodecyl Soxylat A 25-7 sulfuric acid trolamine in the wastewater from car washer; Reduce even eliminate the exhaust emission of wastewater from car washer; And through detection to dodecyl Soxylat A 25-7 sulfuric acid trolamine 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 dodecyl Soxylat A 25-7 sulfuric acid trolamine, 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, in temperature 10 ~ 40
, pH value below 6; Ozone content in the waste water reaches 3.5mg/L when above, according to reaction formula
Ozone can carry out oxygenolysis completely to dodecyl Soxylat A 25-7 sulfuric acid trolamine, the oxidation scission of two keys takes place and further break hydrogen bond, generates water, NH
4 +, SO
4 2-With the carbonic acid gas that can discharge, eliminated the harm of original dodecyl Soxylat A 25-7 sulfuric acid trolamine molecule and reaction derived products thereof to water quality;
2, through detecting Pollutant levels in the waste water; Allotment waste water solution to pH value is below 6; Temperature 10 ~ 40
; The concentration of the dodecyl Soxylat A 25-7 sulfuric acid trolamine of sewage inlet is 300mg/L; The relative molecular mass of dodecyl Soxylat A 25-7 sulfuric acid trolamine is 547, can calculate the quality of dodecyl Soxylat A 25-7 sulfuric acid trolamine in one liter of waste water solution, is converted into molar weight again and is about 0.0005mol; 1mol dodecyl sulphate monoethanolamine decomposes the ozone that needs consume 24mol fully; Thereby calculate the ozone of required 0.012mol, when the ozone input was 4g/min, the ozone amount that calculates reaction in a minute was 0.083 mol; Can handle the dodecyl Soxylat A 25-7 sulfuric acid trolamine of 0.0036mol; The quality that is converted into dodecyl Soxylat A 25-7 sulfuric acid trolamine is 1.97g, considers solubleness and the reaction efficiency of ozone in water, need be the flow rate control of outlet valve in 6.6L/min;
3, wastewater from car washer after filtering; Detect the concentration of dodecyl Soxylat A 25-7 sulfuric acid trolamine in the waste water through proofing unit; Is that the ozone of 6.6g/min feed mixing vessel with the hydraulic pressure of 0.6Mpa with air input through topping-up pump, through thorough mixing, adjusts the water valve aperture flow is remained in the 6.6L/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 dodecyl Soxylat A 25-7 sulfuric acid trolamine:
(1) in temperature 10 ~ 40
, pH value below 6; Ozone content in the waste water reaches 3.5mg/L when above, according to reaction formula
Ozone can carry out oxygenolysis completely to dodecyl Soxylat A 25-7 sulfuric acid trolamine, generates water, NH
4 +, SO
4 2-With the carbonic acid gas that can discharge, eliminated the harm of dodecyl Soxylat A 25-7 sulfuric acid trolamine molecule and reaction derived products thereof to water quality;
(2) through detecting Pollutant levels in the waste water; Allotment waste water solution to pH value is below 6; Temperature 10 ~ 40
; Determine the molar weight of dodecyl Soxylat A 25-7 sulfuric acid trolamine in the unit volume; According to when reaction dodecyl Soxylat A 25-7 sulfuric acid trolamine 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 dodecyl Soxylat A 25-7 sulfuric acid trolamine, regulates control outlet valve aperture and ozone amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100252323A CN102701410A (en) | 2012-02-06 | 2012-02-06 | Method using ozone for purification treatment of lauryl polyoxyethylene ether triethanolamine sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100252323A CN102701410A (en) | 2012-02-06 | 2012-02-06 | Method using ozone for purification treatment of lauryl polyoxyethylene ether triethanolamine sulfate |
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| CN102701410A true CN102701410A (en) | 2012-10-03 |
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|---|---|---|---|
| CN2012100252323A Pending CN102701410A (en) | 2012-02-06 | 2012-02-06 | Method using ozone for purification treatment of lauryl polyoxyethylene ether triethanolamine sulfate |
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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 CN2012100252323A patent/CN102701410A/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 |