CN102533358A - Clean environment-friendly dimethyl carbonate diesel and preparation method thereof - Google Patents
Clean environment-friendly dimethyl carbonate diesel and preparation method thereof Download PDFInfo
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- CN102533358A CN102533358A CN2012100489432A CN201210048943A CN102533358A CN 102533358 A CN102533358 A CN 102533358A CN 2012100489432 A CN2012100489432 A CN 2012100489432A CN 201210048943 A CN201210048943 A CN 201210048943A CN 102533358 A CN102533358 A CN 102533358A
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Abstract
The invention discloses a preparation method of environment-friendly dimethyl carbonate diesel for an automobile. The environment-friendly dimethyl carbonate diesel comprises the following components by weight percent: 50-300ppm of 2,6-tertiary butyl p-cresol, 10-200ppm of tris(2,4-ditert-butyl phenyl) phosphite, 10-200ppm of thiadiazole or benzotriazole, 10-500ppm of isooctyl nitrate or ethyl nitrate, 100-500ppm of lubricity improver, 9.982-29.83% of dimethyl carbonate and 70-90% of diesel. The preparation method comprises the following steps of: adding various additives into dimethyl carbonate and then mixing to obtain a dimethyl carbonate solution I; and then mixing the dimethyl carbonate solution I and dimethyl carbonate with the diesel to obtain the dimethyl carbonate diesel. The dimethyl carbonate diesel disclosed by the invention has the advantages of good stability, corrosion resistance and environmental protection performance, can be intersoluble with the diesel in any proportion, and is simple to prepare, low in cost and strong in competitive power.
Description
Technical field
The present invention relates to a kind of alternative fuel for diesel engine technical field, be specially a kind of clean environment firendly methylcarbonate diesel oil and preparation method thereof.
Background technology
In recent years, rising steadily of international oil price brought tremendous influence to China's economy, and the external interdependency of oil surpasses 50% this what is called " safe-guard line ", has reached more more than 55% now, become topmost in the world energy expenditure import big country.Because China increases petroleum demand fast and the labile factor of world's hot zones; The energy security of country faces severe challenge; Therefore develop novel clean alternative fuel, to improving diesel engine performance, reduce and guaranteeing that energy security is significant to the dependency of petroleum resources.
Oil motor has that power is big, oil consumption is low, HC and the low advantage of CO discharging, but that the shortcoming of oil motor is an emission smoke intensity is high.For adapting to the dual fuel of diesel engine requirement of increasingly stringent, the various countries investigator proposes the measure of many reduction quantity dischargeds, like fuel oil upgrading, high pressure spraying, late injection, fuel injection rate control, exhaust gas recirculation and exhaust aftertreatment etc.One of them important technology improves diesel quality exactly, improves the fuel oxygen level through oxygenated additive, reduces the discharging of diesel oil engine carbon smoke particulate, receives domestic and international engine research person's concern in recent years.The characteristic and the diesel oil of oxygenated fuel are quite similar, and difference is to be used to reduce the exhaust gas emission of oil motor mostly by aerobic in the molecular structure.Oxygen level is up to 53% in methylcarbonate (DMC) molecule, and is more much higher than MTBE (MTBE) (18%), and good with the intermiscibility of diesel oil, can effectively reduce the discharging of diesel engine vent gas, has a good application prospect as gasoline dope of new generation.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides methylcarbonate diesel oil that a kind of production technique is simple, raw materials cost is cheap, product property is stablized clean environment firendly and preparation method thereof.
Clean environment firendly methylcarbonate diesel oil of the present invention; Composed of the following components by weight percentage: 2; 6-Butylated Hydroxytoluene 50 ~ 300ppm, tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 10 ~ 200 ppm, thiadiazoles or benzotriazole 10 ~ 200 ppm, isooctyl ester nitrate or ethyl nitrate 10 ~ 500ppm, lubricity improver 100 ~ 500ppm, methylcarbonate 9.982 ~ 29.83%, diesel oil 70 ~ 90%.
The preparation method of clean environment firendly methylcarbonate diesel oil of the present invention; (1) with 2; 6-Butylated Hydroxytoluene, tricresyl phosphite (2; The 4-di-tert-butyl-phenyl) ester, thiadiazoles or benzotriazole, isooctyl ester nitrate or ethyl nitrate and lubricity improver join in the part methylcarbonate by formula ratio, and normal temperature and pressure stirs up to dissolving fully, and system is joined methylcarbonate solution I;
(2) methylcarbonate with diesel oil, methylcarbonate solution I and surplus mixes, and through mixer mixing, is made into methylcarbonate diesel oil.
The amount of the methylcarbonate that step (1) is used accounts for 1 ~ 10% of methylcarbonate total addition level.
This invention compared with prior art; Compound method is simple, cost is low, can reduce oil consumption and reduce emission of harmful substances; Can overcome the drawbacks such as corrodibility that existing methanol diesel-oil runs in use again; And need not to transform mover, can dissolve each other with arbitrary proportion with diesel oil, the solar oil standard that environmental protection and energy saving methylcarbonate diesel fuel characteristics index reaches the GB252-2000 defined of preparing has good and economic, security and stability.
Characteristics of the present invention and performance mainly show the following aspects:
1. the outward appearance of this diesel oil, color and petrifaction diesel are similar.
2. the stable performance of oil product, standing storage is never degenerated, and oxidation stability is good.
3. oil product has good corrosion resistance.
4. the condensation point of oil product and cold filter clogging temperature are superior to national standard and international standard, are fit to very much oil motor and under coldcondition, use.
5. can reduce discharge of harmful gases such as flue dust and CO when burning, environmental protection index is superior to petrifaction diesel.
6. can dissolve each other with any ratio with diesel oil.
7. compound method is simple, and cost is low.
In order further to confirm the safety of the methylcarbonate diesel oil diesel oil physical and chemical index that the present invention prepares, entrust national petroleum and petrochemical industry product quality supervision and inspection centers (Guangdong) to detect the diesel oil that this invention is produced, the result is as shown in table 1.
Table 1 methylcarbonate diesel oil diesel quality detected result
Description of drawings
Fig. 1 is the production equipment of environment-protecting clean methylcarbonate diesel oil among the present invention.
Embodiment
Specify the embodiment of methylcarbonate diesel preparation method of the present invention below in conjunction with embodiment.But embodiment of the present invention is not limited to following embodiment.
1, the clean environment firendly methylcarbonate diesel oil of present embodiment is composed of the following components by weight percentage:
2,6-Butylated Hydroxytoluene 50 ~ 300ppm
Tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 10 ~ 200 ppm
Thiadiazoles or benzotriazole 10 ~ 200 ppm
Isooctyl ester nitrate or ethyl nitrate 10 ~ 500ppm
Lubricity improver 100 ~ 500ppm
Methylcarbonate 9.98 ~ 29.83%
Diesel oil 70 ~ 90%.
2, preparation method:
(1) with 2; 6-Butylated Hydroxytoluene, tricresyl phosphite (2; The 4-di-tert-butyl-phenyl) ester, thiadiazoles or benzotriazole, isooctyl ester nitrate or ethyl nitrate and lubricity improver join in the part methylcarbonate by formula ratio; Normal temperature and pressure stirs up to dissolving fully, and system is joined methylcarbonate solution I; The amount of used methylcarbonate accounts for 1 ~ 10% of methylcarbonate total addition level.
(2) methylcarbonate with diesel oil, methylcarbonate solution I and surplus mixes, and through mixer mixing, is made into methylcarbonate diesel oil.
The production equipment of environment-protecting clean methylcarbonate diesel oil of the present invention is as shown in Figure 1; Comprise that methylcarbonate solution I prepares still 1; Methylcarbonate solution I prepares still 1 and is connected with methylcarbonate solution I hold-up vessel 2 through pipeline; Methylcarbonate solution I hold-up vessel 2 is connected with mixing duct 8, and on the connecting tube between the mixing duct 8, is provided with methylcarbonate solution I fresh feed pump 3; Mixing duct 8 is connected with diesel raw material jar 4, and on the connecting tube between the mixing duct 8, is provided with diesel feed pump 5; Mixing duct 8 be connected with methylcarbonate head tank 6, and on the connecting tube between the mixing duct 8, be provided with diesel feed pump 7.Described mixing duct 8 is provided with mixing tank 9 with the pipeline of finished product methylcarbonate diesel fuel tank 10 junctions.
As shown in Figure 1: the diesel oil in the diesel raw material jar 4 is sent into through diesel feed pump 5 and is seen off, through sending into mixing duct 8 behind the regulating valve regulation flow;
Methylcarbonate is seen off through methylcarbonate fresh feed pump 7 in methylcarbonate head tank 6, through sending into mixing duct 8 behind the regulating valve regulation flow;
Adding methylcarbonate solution I to methylcarbonate prepares in the still 1; Add 2 in proportion again; 6-Butylated Hydroxytoluene, tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester, thiadiazoles or benzotriazole, isooctyl ester nitrate (or ethyl nitrate) and lubricity improver are opened methylcarbonate solution I and are prepared the electric mixer in the still 1; After all materials fully dissolve; Have a power failure and move whisking appliance, put into solution I hold-up vessel 2 to the methylcarbonate solution I for preparing, through sending into mixing duct 8 behind the regulating valve regulation flow;
Get into all materials in the mixing duct 8,, after mixing, get in the finished product methylcarbonate diesel fuel tank 10 finally through mixing tank 9.
1, the clean environment firendly methylcarbonate diesel oil of present embodiment is composed of the following components by weight percentage:
2,6-Butylated Hydroxytoluene 100ppm
Tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 50 ppm
Thiadiazoles or benzotriazole 50 ppm
Isooctyl ester nitrate or ethyl nitrate 200ppm
Lubricity improver 300ppm
Methylcarbonate 14.93%
Diesel oil 85%.
2, preparation method: the preparation method is with the preparation method of embodiment 1.
1, the clean environment firendly methylcarbonate diesel oil of present embodiment is composed of the following components by weight percentage:
2,6-Butylated Hydroxytoluene 50ppm
Tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 10 ppm
Thiadiazoles or benzotriazole 150 ppm
Isooctyl ester nitrate or ethyl nitrate 300ppm
Lubricity improver 100ppm
Methylcarbonate 29.94%
Diesel oil 70.0%.
2, preparation method: the preparation method is with the preparation method of embodiment 1.
Embodiment 4
1, the clean environment firendly methylcarbonate diesel oil of present embodiment is composed of the following components by weight percentage:
2,6-Butylated Hydroxytoluene 200ppm
Tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 100 ppm
Thiadiazoles or benzotriazole 200 ppm
Isooctyl ester nitrate or ethyl nitrate 10ppm
Lubricity improver 500ppm
Methylcarbonate 9.90%
Diesel oil 90.0%.
2, preparation method: the preparation method is with the preparation method of embodiment 1.
1, the clean environment firendly methylcarbonate diesel oil of present embodiment is composed of the following components by weight percentage:
2,6-Butylated Hydroxytoluene 300ppm
Tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 200 ppm
Thiadiazoles or benzotriazole 10 ppm
Isooctyl ester nitrate or ethyl nitrate 500ppm
Lubricity improver 300ppm
Methylcarbonate 29.87%
Diesel oil 70.0%.
2, preparation method: the preparation method is with the preparation method of embodiment 1.
Embodiment 6
1, the clean environment firendly methylcarbonate diesel oil of present embodiment is composed of the following components by weight percentage:
2,6-Butylated Hydroxytoluene 50ppm
Tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 10 ppm
Thiadiazoles or benzotriazole 40 ppm
Isooctyl ester nitrate or ethyl nitrate 100ppm
Lubricity improver 100ppm
Methylcarbonate 9.97%
Diesel oil 90%.
2, preparation method: the preparation method is with the preparation method of embodiment 1.
Above embodiment only is used to explain preferred implementation of the present invention; But the present invention is not limited to above-mentioned embodiment; In the ken that said field those of ordinary skill is possessed; Any modification of being done within basis of the present invention and the principle, be equal to and substitute and improvement etc., it all should be encompassed within the technical scheme scope that the present invention asks for protection.
Claims (3)
1. clean environment firendly methylcarbonate diesel oil; It is characterized in that; Composed of the following components by weight percentage: 2; 6-Butylated Hydroxytoluene 50 ~ 300ppm, tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester 10 ~ 200 ppm, thiadiazoles or benzotriazole 10 ~ 200 ppm, isooctyl ester nitrate or ethyl nitrate 10 ~ 500ppm, lubricity improver 100 ~ 500ppm, methylcarbonate 9.982 ~ 29.83%, diesel oil 70 ~ 90%.
2. the preparation method of clean environment firendly methylcarbonate diesel oil according to claim 1; It is characterized in that: (1) is with 2; 6-Butylated Hydroxytoluene, tricresyl phosphite (2, the 4-di-tert-butyl-phenyl) ester, thiadiazoles or benzotriazole, isooctyl ester nitrate or ethyl nitrate and lubricity improver join in the part methylcarbonate by formula ratio; Normal temperature and pressure stirs up to dissolving fully, and system is joined methylcarbonate solution I;
(2) methylcarbonate with diesel oil, methylcarbonate solution I and surplus mixes, and through mixer mixing, is made into methylcarbonate diesel oil.
3. the preparation method of clean environment firendly methylcarbonate diesel oil according to claim 2 is characterized in that: the amount of the methylcarbonate that step (1) is used accounts for 1 ~ 10% of methylcarbonate total addition level.
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Cited By (6)
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| CN102746911A (en) * | 2012-07-30 | 2012-10-24 | 徐亮 | Diesel oil additive for reducing cost, saving diesel oil and removing smoke and use method thereof |
| CN103382406A (en) * | 2013-07-04 | 2013-11-06 | 山东国弘能源科技有限公司 | Energy-saving environmental-friendly curing agent for diesel oil |
| CN103805297A (en) * | 2012-11-15 | 2014-05-21 | 亚申科技研发中心（上海）有限公司 | Smokeless diesel oil and preparation method thereof |
| CN104004555A (en) * | 2014-06-04 | 2014-08-27 | 山东吉利达能源科技有限公司 | Diesel oil quality improver for national III diesel oil |
| CN104593106A (en) * | 2015-01-22 | 2015-05-06 | 杨长江 | High-cleanness diesel fuel additive and preparation method thereof |
| CN105752921A (en) * | 2014-12-14 | 2016-07-13 | 亚申科技研发中心（上海）有限公司 | Oiling base station |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102746911A (en) * | 2012-07-30 | 2012-10-24 | 徐亮 | Diesel oil additive for reducing cost, saving diesel oil and removing smoke and use method thereof |
| CN103805297A (en) * | 2012-11-15 | 2014-05-21 | 亚申科技研发中心（上海）有限公司 | Smokeless diesel oil and preparation method thereof |
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| CN104004555B (en) * | 2014-06-04 | 2015-01-28 | 山东吉利达能源科技有限公司 | Diesel oil quality improver for national III diesel oil |
| CN105752921A (en) * | 2014-12-14 | 2016-07-13 | 亚申科技研发中心（上海）有限公司 | Oiling base station |
| CN104593106A (en) * | 2015-01-22 | 2015-05-06 | 杨长江 | High-cleanness diesel fuel additive and preparation method thereof |
| CN104593106B (en) * | 2015-01-22 | 2015-08-05 | 杨长江 | A kind of high-cleanness diesel oil additive and preparation method |
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Application publication date: 20120704 |