CN102553122A - Processing method of triolein in pavement leaked oil by ozone - Google Patents
Processing method of triolein in pavement leaked oil by ozone Download PDFInfo
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- CN102553122A CN102553122A CN2012100252501A CN201210025250A CN102553122A CN 102553122 A CN102553122 A CN 102553122A CN 2012100252501 A CN2012100252501 A CN 2012100252501A CN 201210025250 A CN201210025250 A CN 201210025250A CN 102553122 A CN102553122 A CN 102553122A
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- hydroxyl radical
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Abstract
The invention provides a processing method of triolein in pavement leaked oil by ozone; under the condition with a pH value of an ozone aqueous solution of 10-12, a triolein temperature of 20 DEG C-30 DEG C, and with ultraviolet light, triolein is oxidized and decomposed by hydroxyl radicals which are generated by dissolving ozone in water and have strong oxidizability; the amount of the ozone aqueous solution is calculated according to a reaction equation; different cleaning schemes are designed flexibly with respect to the oil leakage thickness and area; the reaction end products are water and carbon dioxide which are not left on the pavement for a long time; therefore the pavement friction coefficient is maintained; high-efficient and pollution-free cleaning of pavement leaked oil is realized; and vehicle slipping accidents are reduced.
Description
Technical field
The present invention relates to the ozone treatment method of a kind of road surface leakage of oil, particularly, belong to road vehicles driving safety technical field to the ozone treatment of the important component part olein in the grease.
Background technology
Along with the development of society, road haulage is become increasingly prosperous in recent years, and it is serious day by day to reveal the problem that causes by transportation kinds of goods oil, and the vehicle slip accident that is particularly caused by the road surface leakage of oil takes place frequently; Annual because the accident that the road surface leakage of oil causes reaches tens, because the needs of daily life, kinds of goods oil mainly comprises oil, the animal and plant wet goods; Oil does not dissolve in water for these, not volatile, stability is strong, intractable can make the coefficient of friction on road surface sharply descend in case leakage takes place usually; If untimely processing can cause that vehicle slip bumps against traffic congestion; Even large-scale accident such as combustion explosion, very harmful to people's life, olein (C
21H
40O
4) be that important component normal temperature in the animal and vegetable oil is colourless or faint yellow transparence liquid.
The existing treating method of olein mainly is the mode that absorption and chemical detergent clean; Patent " Xu Qinghua. method for absorbing and cleaning road surface oil [P]. China: CN101781881A. 2011-05-18 " a kind of method for absorbing and cleaning road surface oil disclosed; This method is according to the absorption principle of attapulgite road surface oil stain cleaning paste road pavement greasy dirt, through twice cleaning, collects the gel object after the adsorption treatment; Accomplish the absorption cleaning works of greasy dirt; The attapulgite road surface oil stain cleaning paste complex process that this method adopts is cleaned the gel object that also will handle after finishing after the absorption, and greasy dirt just is adsorbed; Do not obtain cleaning action, the olein in the residual greasy dirt can oxidation by air continue corrupt contaminated environment.
Summary of the invention
For overcome prior art to the processing of olein not exclusively, have the defective of severe contamination, the present invention proposes a kind of ozone treatment method of olein, this method is utilized the hydroxyl radical free radical with strong oxidizing property of the water-soluble generation of ozone; With the olein oxidation Decomposition, product is soluble in water, is convenient to clean; Can not remain in for a long time on the road surface; Thereby the maintenance surface friction coefficient reduces and causes the possibility of skidding, and is little to environmental hazard.
The present invention solves this technical problem the technical scheme that is adopted: the processing method of olein in the leakage of oil of a kind of ozone road pavement is characterized in may further comprise the steps:
1, ozone is fed the hydroxyl radical free radical that generation has strong oxidizing property in the water, obtains reaction equation:
In the formula:
HO
2: ultra hydrogen oxide
OH: hydroxyl radical free radical
Under ozone water solution pH value 10 ~ 12,20 ℃ ~ 30 ℃ of olein temperature, ultraviolet light conditions, obtain the reaction equation of hydroxyl radical free radical and olein:
In the formula:
C
21H
40O
4: olein
Hydroxyl radical free radical has strong oxidizing property, can finally be oxidized to water and carbon dioxide by olein, can not reduce surface friction coefficient;
2, set up two relational expressions according to reactional equation:
(a) 1 mole of hydroxyl radical free radical of 2 moles of water-soluble generations of ozone;
(b) oxidation 1 mole of oleic acid glyceride needs 21 moles of hydroxyl radical free radicals;
Can derive the relational expression that oxidation 1 mole of oleic acid glyceride need expend 42 moles of ozone based on above two relational expressions; Can confirm required ozone amount according to this relational expression; The ozone water solution of configuration pH value 10 ~ 12, make hydroxyl radical free radical in the ozone water solution can be fully with the olein oxidation of leakage;
3, detect the content of road surface leakage of oil amount and olein, confirm the volume of the required ozone water solution of oxidation reaction; Leakage of oil situation in road surface is divided into 5 grades according to thickness, area respectively, the every increase one-level of grade, wash number also increases once; Divide equally ozone water solution according to wash number, make hydroxyl radical free radical gradation oxygenated oil acid glyceride, reach the effect of cleaning.
The invention has the beneficial effects as follows: through confirming the reaction optimum conditions; Utilize hydroxyl radical free radical oxidation processes olein; Combined with ozone generates the reaction equation of hydroxyl radical free radical and confirms the required ozone amount of reaction; And, realized efficient, pollution-free cleaning to the leakage of oil road surface to the different cleaning program of leakage of oil amount flexible design, reduce the vehicle slip accident.
Below in conjunction with embodiment the present invention is elaborated.
The specific embodiment
1. under the ultraviolet lighting condition, according to reaction principle, factors such as the pH value of adjusting ozone water solution, olein temperature are confirmed the most favourable reaction condition, and concrete steps are following;
1. dispose the alkaline solution of different pH values; Feed equivalent ozone, under equal environmental condition, measure the concentration of hydroxyl radical free radical in the solution, olein is sneaked in the different pH ozone water solutions; Mix to stir and make hydroxyl radical free radical and olein reaction; Leave standstill 10min, measure the concentration of hydroxyl radical free radical and olein in the mixed solution once more, the reaction that can know pH hydroxyl radical free radical in 10～12 o'clock oleins and ozone water solution through experiment is fullest the soonest;
2. keep the pH value constant; Experiment is reacted hydroxyl radical free radical and 0 ℃～10 ℃, 10 ℃～20 ℃, 20 ℃～30 ℃, 30 ℃～40 ℃, 40 ℃～50 ℃, 50 ℃～60 ℃ olein respectively; Can confirm that when the temperature of olein during at 20 ℃～30 ℃, oxidation reaction is the fastest;
Obtain following reaction equation thus:
In the formula:
C
21H
40O
4: olein
2. under the most favourable experiment condition of above-mentioned foundation, calculate ozone amount according to the relational expression (a) and (b); The molecular weight of olein is 356.54; The molecular weight of ozone is 48; Suppose the olein of oxidation 1g; Required ozone quality is
, and following equality is arranged:
Calculating can get:
The configuration ozone water solution, making hydroxy free radical concentration is 2g/L, and the volume of the required ozone water solution of olein of oxidation 1g is V, and calculating can get:
3. under the reaction condition of ozone water solution pH value 10 ~ 12,20 ℃ ~ 30 ℃ of olein temperature, ultraviolet light; On the road surface, carry out leakage of oil and handle experiment; Clean according to greasy dirt area, level of thickness gradation, grade classification mode and wash number are as shown in the table:
1. at greasy dirt area 100cm
2The Shi Jinhang cleaning experiment is divided into 5 grades with leakage of oil thickness, and it is as shown in table 1 to obtain wash number and greasy dirt thickness relationship:
| Number of degrees | Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ |
| Thickness (cm) | [0，0.1） | [0.1，0.2） | [0.2，0.3） | [0.3，0.4） | [0.4，0.5） |
| Wash number | 1 | 2 | 3 | 4 | 5 |
Table 1
2. when greasy dirt thickness 0.1cm, carry out cleaning experiment, the leakage of oil area is divided into 5 grades carries out cleaning experiment, it is as shown in table 2 to obtain wash number and greasy dirt relation:
| Number of degrees | 1 | 2 | 3 | 4 | 5 |
| Area cm 2 | [0,100） | [100,500） | [500,2000） | [2000,5000） | [5000,10000） |
| Wash number | 1 | 2 | 3 | 4 | 5 |
Table 2
Road pavement leakage of oil thickness exceeds 0.5cm, and area exceeds 10000 cm
2Situation, can adopt the way of tradition absorption or burning to handle the mode of utilizing the water-soluble generation hydroxyl radical free radical of ozone to carry out oxidation again in advance.
Claims (1)
1. the processing method of olein in the ozone road pavement leakage of oil is characterized in may further comprise the steps:
(1) ozone is fed the hydroxyl radical free radical that generation has strong oxidizing property in the water, obtains reaction equation:
In the formula:
HO
2: ultra hydrogen oxide
OH: hydroxyl radical free radical
Under ozone water solution pH value 10 ~ 12,20 ℃ ~ 30 ℃ of olein temperature, ultraviolet light conditions, obtain the reaction equation of hydroxyl radical free radical and olein:
In the formula:
C
21H
40O
4: olein
Hydroxyl radical free radical has strong oxidizing property, can finally be oxidized to water and carbon dioxide by olein, can not reduce surface friction coefficient;
(2) set up two relational expressions according to reactional equation:
(a) 1 mole of hydroxyl radical free radical of 2 moles of water-soluble generations of ozone;
(b) oxidation 1 mole of oleic acid glyceride needs 21 moles of hydroxyl radical free radicals;
Can derive the relational expression that oxidation 1 mole of oleic acid glyceride need expend 42 moles of ozone based on above two relational expressions; Can confirm required ozone amount according to this relational expression; The ozone water solution of configuration pH value 10 ~ 12, make hydroxyl radical free radical in the ozone water solution can be fully with the olein oxidation of leakage;
(3) detect the content of road surface leakage of oil amount and olein, confirm the volume of the required ozone water solution of oxidation reaction; Leakage of oil situation in road surface is divided into 5 grades according to thickness, area respectively, the every increase one-level of grade, wash number also increases once; Divide equally ozone water solution according to wash number, make hydroxyl radical free radical gradation oxygenated oil acid glyceride, reach the effect of cleaning.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100252501A CN102553122A (en) | 2012-02-06 | 2012-02-06 | Processing method of triolein in pavement leaked oil by ozone |
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|---|---|---|---|
| CN2012100252501A CN102553122A (en) | 2012-02-06 | 2012-02-06 | Processing method of triolein in pavement leaked oil by ozone |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067474A (en) * | 1992-06-27 | 1994-01-18 | Makoto Ogose | Decomposing method for halide and decomposing device therefor |
| CN2636120Y (en) * | 2003-07-03 | 2004-08-25 | 广东省环境保护产业协会 | Cooking fume purifier |
| CN1898368A (en) * | 2003-12-25 | 2007-01-17 | 村上诚四郎 | Method of treating fat or oil |
-
2012
- 2012-02-06 CN CN2012100252501A patent/CN102553122A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH067474A (en) * | 1992-06-27 | 1994-01-18 | Makoto Ogose | Decomposing method for halide and decomposing device therefor |
| CN2636120Y (en) * | 2003-07-03 | 2004-08-25 | 广东省环境保护产业协会 | Cooking fume purifier |
| CN1898368A (en) * | 2003-12-25 | 2007-01-17 | 村上诚四郎 | Method of treating fat or oil |
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Application publication date: 20120711 |