CN103396850B - A kind of low-sulfur diesel-oil compositions of additives containing biological enzyme - Google Patents
A kind of low-sulfur diesel-oil compositions of additives containing biological enzyme Download PDFInfo
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Abstract
The present invention relates to a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme.Low-sulfur diesel-oil compositions of additives of the present invention comprises lubrication modifier, biofuel and biological enzyme.The present invention utilize the high catalytic performance of biological enzyme, action temperature and etc. feature, combinationally use with diesel fuel lubricity improving agent of the prior art and biofuel, further increase the lubricity of low-sulfur diesel-oil; Simultaneously described additive can be used alone, also can with other diesel-dope compound use, further increase the over-all properties of low-sulfur diesel-oil.
Description
Technical field
The present invention relates to a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme, belong to diesel-dope technical field.
Background technology
Diesel oil not only as fuel but also as the lubricant of transfer pump and injection pump, if the oilness of diesel oil is bad, just cannot provides reliable lubrication for oil pump, cause reduce work-ing life, may cause oil pump leakage of oil time serious within the engine.
In the past less demanding to the refining depth of diesel oil, there is not oilness problem in diesel oil.In recent years, along with environmental protection is more and more higher to diesel quality requirement, in diesel oil, sulphur content receives and strictly controls, and the oilness problem of diesel oil comes out gradually.Diesel fuel lubricity Performance Assessment Test result shows, most of Lubricity of Low-Sulfur Diesel Fuels is very poor, and the diesel oil that sulphur content is less than 500 μ g/g just may make engine occur wearing and tearing.And the Europe IV standard will implemented for 2005 specifies that the sulphur content of diesel oil can not be greater than 50 μ g/g, the world fuel oil specification IV the class standard even sulphur content of regulation diesel oil can not be greater than 10 μ g/g.Therefore, lower sulfur diesel will become the inexorable trend of following derv fuel oil development, but the oilness problem of the low-sulfur thereupon caused or ultra-low-sulphur diesel should cause enough attention.At present, the mean content of sulfur of China's diesel oil is still very high, and the oilness of diesel oil does not also become large problem in a short time, but diesel oil standard has been trend of the times to international joint, and the problem about Lubricity of Low-Sulfur Diesel Fuels must prevent trouble before it happens.
As far back as eighties of last century eighties, the light equality of Wei just carries out excessive quantifier elimination for diesel fuel lubricity sex chromosome mosaicism, thinks that the oilness of diesel oil depends primarily on the content of polar impurity.These polar impurities can generate high-resistance protective membrane, thus effectively reduce wearing and tearing.Light the putting down of Wei also utilizes model compound to have studied aromatic hydrocarbons in diesel oil, oxygen carrier, nitrogenous substances, S-contained substance to the impact of its oilness, think that the Relationship of Wear of mononuclear aromatics in diesel component and two ring aromatic content and diesel component is little, and polycyclic aromatic hydrocarbons, nitrogenous compound, oxygenatedchemicals all has good wear-resistant effect.Sulfide is not only not wear-resistant, and promotes wearing and tearing.Why poor lubricity is because the sulfide in diesel oil is present in aromatic hydrocarbons and polycyclic aromatic hydrocarbons mainly with heterocyclic forms to low-sulfur diesel-oil, is also stripped of the component that the aromatic hydrocarbons with lubricity and polycyclic aromatic hydrocarbons and other have oilness while removing sulfide.
Mainly through adding slip additive to improve the oilness of low-sulfur diesel-oil in prior art, conventional slip additive mostly is the derivative of fitter acids and its ester, acid amides or salt; Research shows that biofuel can also improve the oilness of low-sulfur diesel-oil, and patent document CS275894 discloses with natural fats and oils if rapeseed oil, sunflower oil, castor-oil plant wet goods are directly as diesel antiwear additive; But the above-mentioned approach improving Lubricity of Low-Sulfur Diesel Fuels far can not meet the demand of engine to Lubricity of Low-Sulfur Diesel Fuels, be badly in need of a kind of additive that significantly can improve Lubricity of Low-Sulfur Diesel Fuels of exploitation to improve its oilness.
Summary of the invention
Technical problem to be solved by this invention is that the lubricity of low-sulfur diesel-oil in prior art is not high, thus provides a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme that significantly can improve lubricating performance of low-sulfur diesel oil.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
Containing a low-sulfur diesel-oil compositions of additives for biological enzyme, comprise lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:0.1-10:0.1-10;
Described lubrication modifier is acid lipid acid, acid fatty acid ammonium salt, one of acid fatty acid amide or acid fatty acid ester;
Those skilled in the art can select the commodity of above-mentioned all kinds of lubrication modifier of the prior art as required, in the embodiment of the present invention with acid fatty acid lubrication modifier Hitec4140 for example.
Described biofuel is methyl soyate, one of rapeseed oil fatty acid methyl esters or corn oil fatty acid methyl esters;
Described biological enzyme comprises the mixture of alcohol oxidase, aldehyde oxidase, amine oxidase, Thiol oxidase, thiomethyl alcohol oxydase, methyl naphthoquinone oxydase, peroxidase, demethylase, decarboxylase, zymohexase, oxygen acid lyase, sulfo group enzyme, desulfhydrase, desulfurization methylase, ferrochelatase, cobalt chelatase, magnesium chelatase and alcohol, acid, ester class dehydratase.
The weight part ratio of described lubrication modifier, biofuel and biological enzyme is 1:0.1-1:0.1-1.
Described biological enzyme each composition weight number is as follows: alcohol oxidase 3-7 weight part, aldehyde oxidase 3-7 weight part, amine oxidase 3-7 weight part, Thiol oxidase 3-7 weight part, thiomethyl alcohol oxydase 3-7 weight part, methyl naphthoquinone oxydase 3-7 weight part, peroxidase 10-20 weight part, demethylase 15-25 weight part, decarboxylase 5-15 weight part, zymohexase 3-7 weight part, oxygen acid lyase 3-7 weight part, alcohol, acid, ester class dehydratase 3-7 weight part, sulfo group enzyme 1-3 weight part, desulfhydrase 1-3 weight part, desulfurization methylase 1-3 weight part, ferrochelatase 2-6 weight part, cobalt chelatase trace and magnesium chelatase trace.
Wherein said trace cobalt chelatase and trace magnesium chelatase are all less than or equal to 100ppm based on the content of diesel oil.
Described composition of additive for diesel oil is prepared by the method by being in harmonious proportion.
Prepare a method for the described low-sulfur diesel-oil compositions of additives containing biological enzyme, comprise and get described lubrication modifier, biofuel and biological enzyme according to selected weight part ratio, carry out the step be in harmonious proportion in room temperature to 60 DEG C.
The described low-sulfur compositions of additives containing biological enzyme is in the application improving low-sulfur diesel-oil performances areas.
Comprise a Dresel fuel compositions for the described low-sulfur diesel-oil compositions of additives containing biological enzyme, the described low-sulfur diesel-oil compositions of additives containing biological enzyme is 10 ~ 2000ppm based on the content of low-sulfur diesel-oil.
The described low-sulfur diesel-oil compositions of additives containing biological enzyme is 20 ~ 1000ppm based on the content of low-sulfur diesel-oil.
A kind of low-sulfur diesel-oil compositions of additives containing biological enzyme described in this, can also with other additive compound use.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme of the present invention, utilize the high catalytic performance of biological enzyme, action temperature and etc. feature, combinationally use with diesel fuel lubricity improving agent of the prior art and biofuel, further increase the lubricity of low-sulfur diesel-oil.
(2) a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme of the present invention, described demethylase, decarboxylase, zymohexase and alcohol, acid, ester class dehydratase can make the aromatic ring open loop hydrogenation in diesel oil, improve diesel-fuel cetane number, improve the knock resistance of diesel oil; Simultaneously can catalytic pyrolysis C-C bond, diesel oil is dripped and resolves into rapidly fine molecule; Described methyl naphthoquinone oxydase, peroxidase etc. can make diesel oil periphery oxygen permeable membrane, make diesel oil in the combustion processes of engine, obtain best atomizing effect, promote its Thorough combustion, improve the energy use efficiency of diesel oil; Described sulfo group enzyme, desulfhydrase, desulfurization methylase can remove the sulphur in diesel oil, reduce the discharge of exhaust sulphur oxide, make exhaust more meet the requirement of environment protection; Described cobalt chelatase and magnesium chelatase can promote the mass transitions in combustion processes, make oxidizing reaction be able to smooth and easy carrying out.
(3) a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme of the present invention, can be used alone, also can with other diesel-dope compound uses, thus improve the over-all properties of low-sulfur diesel-oil.
Embodiment
In compositions of additives of the present invention, lubrication modifier can select the lubrication modifier of acid lipid acid conventional in prior art, acid fatty acid ammonium salt, acid fatty acid amide or acid fatty acid ester, between the different model of each manufacturer production and no significant difference, the lubrication modifier related in following each embodiment is only explained technique effect of the present invention for common Hitec4140 model; Described biofuel can to select in prior art conventional methyl soyate, rapeseed oil fatty acid methyl esters or corn oil fatty acid methyl esters, between the different model of each manufacturer production and no significant difference.
Embodiment 1
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:1:1, wherein:
Described lubrication modifier is Hitec4140,98g;
Described biofuel is methyl soyate, and weight part is 98g;
Described biological enzyme is 98g, micro-comprising alcohol oxidase 3g, aldehyde oxidase 7g, amine oxidase 3g, Thiol oxidase 7g, thiomethyl alcohol oxydase 3g, methyl naphthoquinone oxydase 7g, peroxidase 10g, demethylase 25g, decarboxylase 5g, zymohexase 7g, oxygen acid lyase 3g, alcohol, acid, ester class dehydratase 7g, sulfo group enzyme 1g, desulfhydrase 3g, desulfurization methylase 1g, ferrochelatase 6g, cobalt chelatase trace and magnesium chelatase.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 2
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:0.1:0.1, wherein:
Described lubrication modifier is Hitec4140, and weight part is 980;
Described biofuel is rapeseed oil fatty acid methyl esters, and weight part is 980;
Described biological enzyme is 98 weight parts, comprising alcohol oxidase 3 weight part, aldehyde oxidase 7 weight part, amine oxidase 3 weight part, Thiol oxidase 7 weight part, thiomethyl alcohol oxydase 3 weight part, methyl naphthoquinone oxydase 7 weight part, peroxidase 10 weight part, demethylase 25 weight part, decarboxylase 5 weight part, zymohexase 7 weight part, oxygen acid lyase 3 weight part, alcohol, acid, ester class dehydratase 7 weight part, sulfo group enzyme 1 weight part, desulfhydrase 3 weight part, desulfurization methylase 1 weight part, ferrochelatase 6 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 3
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:0.1:1, wherein:
Described lubrication modifier is Hitec4140, and weight part is 102;
Described biofuel is corn oil fatty acid methyl esters, and weight part is 10.2;
Described biological enzyme is 102 weight parts, comprising alcohol oxidase 7 weight part, aldehyde oxidase 3 weight part, amine oxidase 7 weight part, Thiol oxidase 3 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 3 weight part, peroxidase 20 weight part, demethylase 15 weight part, decarboxylase 15 weight part, zymohexase 3 weight part, oxygen acid lyase 7 weight part, alcohol, acid, ester class dehydratase 3 weight part, sulfo group enzyme 3 weight part, desulfhydrase 1 weight part, desulfurization methylase 3 weight part, ferrochelatase 2 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 4
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:1:0.1, wherein:
Described lubrication modifier is Hitec4140, and weight part is 1000;
Described biofuel is methyl soyate, and weight part is 1000;
Described biological enzyme is 100 weight parts, comprising alcohol oxidase 5 weight part, aldehyde oxidase 5 weight part, amine oxidase 5 weight part, Thiol oxidase 5 weight part, thiomethyl alcohol oxydase 5 weight part, methyl naphthoquinone oxydase 5 weight part, peroxidase 15 weight part, demethylase 20 weight part, decarboxylase 10 weight part, zymohexase 5 weight part, oxygen acid lyase 5 weight part, alcohol, acid, ester class dehydratase 5 weight part, sulfo group enzyme 2 weight part, desulfhydrase 2 weight part, desulfurization methylase 2 weight part, ferrochelatase 4 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 5
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:0.5:0.5, wherein:
Described lubrication modifier is Hitec4140, and weight part is 161;
Described biofuel is methyl soyate, and weight part is 80.5;
Described biological enzyme is 80.5 weight parts, comprising alcohol oxidase 4 weight part, aldehyde oxidase 4 weight part, amine oxidase 4 weight part, Thiol oxidase 4 weight part, thiomethyl alcohol oxydase 4 weight part, methyl naphthoquinone oxydase 4 weight part, peroxidase 13 weight part, demethylase 17 weight part, decarboxylase 7 weight part, zymohexase 4 weight part, oxygen acid lyase 4 weight part, alcohol, acid, ester class dehydratase 4 weight part, sulfo group enzyme 1.5 weight part, desulfhydrase 1.5 weight part, desulfurization methylase 1.5 weight part, ferrochelatase 3 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 6
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:2:10, wherein:
Described lubrication modifier is Hitec4140, and weight part is 11.95;
Described biofuel is methyl soyate, and weight part is 23.9;
Described biological enzyme is 119.5 weight parts, comprising alcohol oxidase 6 weight part, aldehyde oxidase 6 weight part, amine oxidase 6 weight part, Thiol oxidase 6 weight part, thiomethyl alcohol oxydase 6 weight part, methyl naphthoquinone oxydase 6 weight part, peroxidase 17 weight part, demethylase 23 weight part, decarboxylase 13 weight part, zymohexase 6 weight part, oxygen acid lyase 6 weight part, alcohol, acid, ester class dehydratase 6 weight part, sulfo group enzyme 2.5 weight part, desulfhydrase 2.5 weight part, desulfurization methylase 2.5 weight part, ferrochelatase 5 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 7
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:10:7, wherein:
Described lubrication modifier is Hitec4140, and weight part is 16;
Described biofuel is methyl soyate, and weight part is 160;
Described biological enzyme is 112 weight parts, comprising alcohol oxidase 4 weight part, aldehyde oxidase 4 weight part, amine oxidase 4 weight part, Thiol oxidase 7 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 5.5 weight part, peroxidase 17 weight part, demethylase 23 weight part, decarboxylase 13 weight part, zymohexase 4.5 weight part, oxygen acid lyase 6 weight part, alcohol, acid, ester class dehydratase 5 weight part, sulfo group enzyme 2 weight part, desulfhydrase 2 weight part, desulfurization methylase 3 weight part, ferrochelatase 5 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 8
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:3:5, wherein:
Described lubrication modifier is Hitec4140, and weight part is 19.8;
Described biofuel is methyl soyate, and weight part is 59.4;
Described biological enzyme is 99 weight parts, comprising alcohol oxidase 3.5 weight part, aldehyde oxidase 4.5 weight part, amine oxidase 5.5 weight part, Thiol oxidase 6.5 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 5 weight part, peroxidase 12 weight part, demethylase 21 weight part, decarboxylase 9 weight part, zymohexase 5 weight part, oxygen acid lyase 4 weight part, alcohol, acid, ester class dehydratase 5 weight part, sulfo group enzyme 1.5 weight part, desulfhydrase 1.5 weight part, desulfurization methylase 2 weight part, ferrochelatase 6 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 9
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:7:9, wherein:
Described lubrication modifier is Hitec4140, and weight part is 13.22;
Described biofuel is methyl soyate, and weight part is 92.56;
Described biological enzyme is 119 weight parts, comprising alcohol oxidase 4.5 weight part, aldehyde oxidase 4.5 weight part, amine oxidase 5.5 weight part, Thiol oxidase 5.5 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 6 weight part, peroxidase 18 weight part, demethylase 24 weight part, decarboxylase 14 weight part, zymohexase 6 weight part, oxygen acid lyase 6 weight part, alcohol, acid, ester class dehydratase 6 weight part, sulfo group enzyme 3 weight part, desulfhydrase 2.5 weight part, desulfurization methylase 2.5 weight part, ferrochelatase 4 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 10
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:4:6, wherein:
Described lubrication modifier is Hitec4140, and weight part is 16.5;
Described biofuel is methyl soyate, and weight part is 66;
Described biological enzyme is 99 weight parts, comprising alcohol oxidase 3.5 weight part, aldehyde oxidase 4.5 weight part, amine oxidase 5.5 weight part, Thiol oxidase 6.5 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 5 weight part, peroxidase 12 weight part, demethylase 21 weight part, decarboxylase 9 weight part, zymohexase 5 weight part, oxygen acid lyase 4 weight part, alcohol, acid, ester class dehydratase 5 weight part, sulfo group enzyme 1.5 weight part, desulfhydrase 1.5 weight part, desulfurization methylase 2 weight part, ferrochelatase 6 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 11
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:9:1, wherein:
Described lubrication modifier is Hitec4140, and weight part is 112;
Described biofuel is methyl soyate, and weight part is 1008;
Described biological enzyme is 112 weight parts, comprising alcohol oxidase 4 weight part, aldehyde oxidase 4 weight part, amine oxidase 4 weight part, Thiol oxidase 7 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 5.5 weight part, peroxidase 17 weight part, demethylase 23 weight part, decarboxylase 13 weight part, zymohexase 4.5 weight part, oxygen acid lyase 6 weight part, alcohol, acid, ester class dehydratase 5 weight part, sulfo group enzyme 2 weight part, desulfhydrase 2 weight part, desulfurization methylase 3 weight part, ferrochelatase 5 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 12
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:8:2, wherein:
Described lubrication modifier is Hitec4140, and weight part is 56;
Described biofuel is methyl soyate, and weight part is 448;
Described biological enzyme is 112 weight parts, comprising alcohol oxidase 4 weight part, aldehyde oxidase 4 weight part, amine oxidase 4 weight part, Thiol oxidase 7 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 5.5 weight part, peroxidase 17 weight part, demethylase 23 weight part, decarboxylase 13 weight part, zymohexase 4.5 weight part, oxygen acid lyase 6 weight part, alcohol, acid, ester class dehydratase 5 weight part, sulfo group enzyme 2 weight part, desulfhydrase 2 weight part, desulfurization methylase 3 weight part, ferrochelatase 5 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 13
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:5:5, wherein:
Described lubrication modifier is Hitec4140, and weight part is 20;
Described biofuel is methyl soyate, and weight part is 100;
Described biological enzyme is 100 weight parts, micro-comprising alcohol oxidase, aldehyde oxidase, amine oxidase, Thiol oxidase, thiomethyl alcohol oxydase, methyl naphthoquinone oxydase, peroxidase, demethylase, decarboxylase, zymohexase, oxygen acid lyase, alcohol, acid, ester class dehydratase, sulfo group enzyme, desulfhydrase, desulfurization methylase, ferrochelatase, cobalt chelatase trace and magnesium chelatase.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 14
The low-sulfur diesel-oil compositions of additives containing biological enzyme described in the present embodiment, comprises lubrication modifier, biofuel and biological enzyme that weight part ratio is 1:13:17, wherein:
Described lubrication modifier is Hitec4140, and weight part is 6.6;
Described biofuel is methyl soyate, and weight part is 85.65;
Described biological enzyme is 112 weight parts, comprising alcohol oxidase 4 weight part, aldehyde oxidase 4 weight part, amine oxidase 4 weight part, Thiol oxidase 7 weight part, thiomethyl alcohol oxydase 7 weight part, methyl naphthoquinone oxydase 5.5 weight part, peroxidase 17 weight part, demethylase 23 weight part, decarboxylase 13 weight part, zymohexase 4.5 weight part, oxygen acid lyase 6 weight part, alcohol, acid, ester class dehydratase 5 weight part, sulfo group enzyme 2 weight part, desulfhydrase 2 weight part, desulfurization methylase 3 weight part, ferrochelatase 5 weight part, cobalt chelatase trace and magnesium chelatase trace.
Get above-mentioned components by weight percent to carry out being in harmonious proportion and namely prepare required compositions of additives.
Embodiment 15
Use lubrication modifier for Innospec OLI9000 in the present embodiment, the parts by weight of described lubrication modifier, biofuel and biological enzyme and the composition of biological enzyme are all with embodiment 1.
Embodiment 16
The difference of the present embodiment and embodiment 1 is not add peroxidase, and other compositions are all identical.
Embodiment 17
The difference of the present embodiment and embodiment 1 is not add demethylase, and other compositions are all identical.
Experimental example
Measure the abrasion resistance of the hydrogenated diesel oil containing the low-sulfur diesel-oil compositions of additives containing biological enzyme of the present invention
The compositions of additives prepared in Example 1-17, to mix with hydrogenated diesel oil according to the addition in following table and carry out performance test, number consecutively 5-19, blank hydrogenated diesel oil numbering 1, only add the hydrogenated diesel oil numbering 2 of the diesel fuel lubricity improving agent Hitec4140 of amount in the same manner as in Example 1, only add the hydrogenated diesel oil numbering 3 of the biofuel (methyl soyate) of amount in the same manner as in Example 1, only add the hydrogenated diesel oil numbering 4 of the biological enzyme of amount in the same manner as in Example 1.
Experimental example diesel fuel lubricity improving agent Hitec4140 used is purchased from AFTON, and hydrogenated diesel oil used is purchased from Yanshan Petrochemical.
Above-mentioned the obtained low-sulfur diesel-oil compositions of additives containing biological enzyme is added in hydrogenated diesel oil (taking from Yanshan Petrochemical), measures and correct wear scar diameter (instrument is the HFRR high-frequency reciprocating frictional wear testing machine that PCS company of Britain produces) to evaluate the improvement of described additive to diesel fuel characteristics.Wear scar diameter is less, shows that the oilness of diesel oil is better.The composition of the low-sulfur diesel-oil compositions of additives containing biological enzyme used and measurement result are as following table:
As can be seen from above-mentioned data, lubrication modifier effectively can promote the wear scar diameter of fuel to improve its lubricity, and additionally has the lubrication modifier composition of biological enzyme more to contribute to promoting its lubricity; The combination of the biological enzyme under each component of the present invention significantly can promote the lubricity of fuel, and the improvement effect of the combination of biological enzyme under preferred content component is more obvious.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1., containing the low-sulfur diesel-oil compositions of additives of biological enzyme, it is characterized in that, by weight part ratio be the lubrication modifier of 1:0.1-10:0.1-10, biofuel and biological enzyme form;
Described lubrication modifier is acid lipid acid, acid fatty acid ammonium salt, one of acid fatty acid amide or acid fatty acid ester;
Described biofuel is methyl soyate, one of rapeseed oil fatty acid methyl esters or corn oil fatty acid methyl esters;
Described biological enzyme comprises the mixture of alcohol oxidase, aldehyde oxidase, amine oxidase, Thiol oxidase, thiomethyl alcohol oxydase, methyl naphthoquinone oxydase, peroxidase, demethylase, decarboxylase, zymohexase, oxygen acid lyase, sulfo group enzyme, desulfhydrase, desulfurization methylase, ferrochelatase, cobalt chelatase, magnesium chelatase and alcohol, acid, ester class dehydratase.
2. a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme according to claim 1, it is characterized in that, the weight part ratio of described lubrication modifier, biofuel and biological enzyme is 1:0.1-1:0.1-1.
3. a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme according to claim 1 and 2, it is characterized in that, described biological enzyme each composition weight number is as follows: alcohol oxidase 3-7 weight part, aldehyde oxidase 3-7 weight part, amine oxidase 3-7 weight part, Thiol oxidase 3-7 weight part, thiomethyl alcohol oxydase 3-7 weight part, methyl naphthoquinone oxydase 3-7 weight part, peroxidase 10-20 weight part, demethylase 15-25 weight part, decarboxylase 5-15 weight part, zymohexase 3-7 weight part, oxygen acid lyase 3-7 weight part, alcohol, acid, ester class dehydratase 3-7 weight part, sulfo group enzyme 1-3 weight part, desulfhydrase 1-3 weight part, desulfurization methylase 1-3 weight part, ferrochelatase 2-6 weight part, cobalt chelatase trace and magnesium chelatase trace.
4. a kind of low-sulfur diesel-oil compositions of additives containing biological enzyme according to claim 3, is characterized in that, described composition of additive for diesel oil is prepared by the method by being in harmonious proportion.
5. prepare the method for the arbitrary described low-sulfur diesel-oil compositions of additives containing biological enzyme of claim 1-4 for one kind, it is characterized in that, comprise and get described lubrication modifier, biofuel and biological enzyme according to selected weight part ratio, carry out the step be in harmonious proportion in room temperature to 60 DEG C.
6. the arbitrary described low-sulfur compositions of additives containing biological enzyme of claim 1-4 is in the application improving low-sulfur diesel-oil performances areas.
7. comprise a Dresel fuel compositions for the arbitrary described low-sulfur diesel-oil compositions of additives containing biological enzyme of claim 1-4, it is characterized in that, the described low-sulfur diesel-oil compositions of additives containing biological enzyme is 10 ~ 2000ppm based on the content of low-sulfur diesel-oil.
8. Dresel fuel compositions according to claim 7, is characterized in that, the described low-sulfur diesel-oil compositions of additives containing biological enzyme is 20 ~ 1000ppm based on the content of low-sulfur diesel-oil.
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| CN (1) | CN103396850B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936265A1 (en) * | 1998-01-20 | 1999-08-18 | Ethyl Corporation | Improved fuel lubricity from blends of a diethanolamine derivative and biodiesel |
| KR100390973B1 (en) * | 2002-02-06 | 2003-07-12 | Millae Tech Co Ltd | Enzyme-based fuel additive |
| CN102304395A (en) * | 2011-08-04 | 2012-01-04 | 山东京博控股股份有限公司 | Diesel biological modifier |
| CN103119136A (en) * | 2010-07-01 | 2013-05-22 | 亚玛尼亚化学用品私人有限公司 | Diesel fuel additive |
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2013
- 2013-06-27 CN CN201310271630.8A patent/CN103396850B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936265A1 (en) * | 1998-01-20 | 1999-08-18 | Ethyl Corporation | Improved fuel lubricity from blends of a diethanolamine derivative and biodiesel |
| KR100390973B1 (en) * | 2002-02-06 | 2003-07-12 | Millae Tech Co Ltd | Enzyme-based fuel additive |
| CN103119136A (en) * | 2010-07-01 | 2013-05-22 | 亚玛尼亚化学用品私人有限公司 | Diesel fuel additive |
| CN102304395A (en) * | 2011-08-04 | 2012-01-04 | 山东京博控股股份有限公司 | Diesel biological modifier |
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| CN103396850A (en) | 2013-11-20 |
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