CN110938479B - Petrochemical additive and preparation method thereof - Google Patents
Petrochemical additive and preparation method thereof Download PDFInfo
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- CN110938479B CN110938479B CN201911296585.5A CN201911296585A CN110938479B CN 110938479 B CN110938479 B CN 110938479B CN 201911296585 A CN201911296585 A CN 201911296585A CN 110938479 B CN110938479 B CN 110938479B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/12—Use of additives to fuels or fires for particular purposes for improving the cetane number
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/14—Use of additives to fuels or fires for particular purposes for improving low temperature properties
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
- C10L1/1852—Ethers; Acetals; Ketals; Orthoesters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
- C10L1/1852—Ethers; Acetals; Ketals; Orthoesters
- C10L1/1855—Cyclic ethers, e.g. epoxides, lactides, lactones
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
- C10L1/1915—Esters ester radical containing compounds; ester ethers; carbonic acid esters complex esters (at least 3 ester bonds)
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Lubricants (AREA)
Abstract
The invention discloses a petrochemical additive and a preparation method thereof, relating to the technical field of petrochemical additives, wherein the additive comprises the following raw materials in percentage: 10-20% of dimer acid glycerol ester, 15-30% of diethylene glycol dimethyl ether, 25-50% of 1.2.4-trioxane, 10-20% of maleic acid alkyl amide alpha-olefin and 4-16% of detergent, wherein the sum of the mass percentages of the components is 100%; the petrochemical additive disclosed by the invention is simple in production process and low in requirement on production equipment, can effectively improve the sixteen values of diesel oil, does not cause abrasion to an engine, can reduce the freezing point of 5# diesel oil by about 30 ℃ when being added into the diesel oil, can be directly added after the diesel oil is refined, and can also be added into the engine when being used, so that the petrochemical additive is convenient to use.
Description
Technical Field
The invention relates to the technical field of petrochemical engineering auxiliaries, and particularly relates to a petrochemical engineering auxiliary and a preparation method thereof.
Background
The diesel oil mainly comprises C10-C22 organic hydrocarbons, and the contained elements mainly comprise carbon and hydrogen, and simultaneously comprise oxygen, sulfur, nitrogen and partial metal elements. The raw material sources comprise: straight-run diesel oil obtained by crude oil distillation, catalytic diesel oil obtained by catalytic cracking, hydrocracking diesel oil obtained by hydrocracking, and thermal cracking diesel oil obtained by thermal cracking such as coking.
Diesel is mainly used for diesel engines, which are compression ignition engines, and requires easy atomization, good evaporation performance, easy combustion, and good fuel supply, and also requires low emission of sulfur, as people pay attention to the problem of environmental pollution. Therefore, after diesel oil is produced, various additives are required to be added to improve the lubricity, ignition property, conductivity, low-temperature performance and the like of the diesel oil, but the existing diesel oil additives are mainly single anti-wear agents, cetane number improvers, pour point depressants and detergents, but the existing diesel oil additives have the problem that the addition of one additive can improve one performance and influence the other performance, for example, the cetane number of the diesel oil can be improved by adding the cetane number improver, but the anti-wear performance of the diesel oil is seriously reduced, so that the diesel oil is worn by an engine, flocculent precipitates are generated after the anti-wear agent is added, and the oxidation stability is poor.
Disclosure of Invention
In order to solve the problems, the invention provides a novel petrochemical additive and a preparation method thereof, the method obtains a plurality of composite additives with good compatibility and high matching degree through screening, the preparation process of the additive is simple, the requirement on equipment is low, and the prepared petrochemical additive can simultaneously improve the cetane number, the anticoagulation performance and the wear resistance of diesel oil, so that the petrochemical additive can play the respective functions and simultaneously generate complementary action.
In order to achieve the purpose, the petrochemical additive comprises the following raw materials in percentage: 10-20% of dimer acid glycerol ester, 15-30% of diethylene glycol dimethyl ether, 25-50% of 1, 2, 4-trioxane, 10-20% of maleic acid alkyl amide alpha-olefin and 4-16% of detergent, wherein the sum of the mass percentages of the components is 100%.
Further, the auxiliary agent comprises the following raw materials in percentage by weight: 10% of dimer acid glycerol ester, 30% of diethylene glycol dimethyl ether, 25% of 1, 2, 4-trioxane, 20% of maleic acid alkylamide alpha-olefin and 15% of detergent.
Furthermore, the auxiliary agent comprises the following raw materials in percentage by weight: 20% of dimer acid glycerol ester, 15% of diethylene glycol dimethyl ether, 49% of 1, 2, 4-trioxane, 10% of maleic acid alkylamide alpha-olefin and 6% of detergent.
Furthermore, the auxiliary agent comprises the following raw materials in percentage by weight: 15% of dimer acid glycerol ester, 25% of diethylene glycol dimethyl ether, 35% of 1, 2, 4-trioxane, 15% of maleic acid alkylamide alpha-olefin and 10% of detergent.
Still further, the detergent is an N-phenyl stearamide and/or a polyalkylsuccinimide.
The invention also provides a preparation method of the petrochemical engineering auxiliary agent, which comprises the following steps: weighing the dimer acid glycerol ester, the diethylene glycol dimethyl ether and the 1.2.4-trioxane, mixing, heating in a water bath at 45-55 ℃, magnetically stirring in the heating process, adding the maleic acid alkyl amide co-alpha-olefin and the detergent after stirring for 2 hours, stirring for 30min, pouring out, sealing at room temperature, and standing for 48 hours.
The invention has the beneficial effects that:
firstly, the invention adopts dimer acid glycerol ester, diethylene glycol dimethyl ether, 1, 2, 4-trioxacyclohexane, maleic acid alkyl amide alpha-olefin, N-benzene hard amide and/or polyalkyl succinimide as raw materials to prepare a petrochemical additive, the additive can improve the cetane number of diesel oil by about 7 and reduce the freezing point of 5# diesel oil by about 30 ℃, and can also greatly improve the wear resistance of the diesel oil without influencing other properties of the diesel oil.
Secondly, the addition of N-benzene hard amide and polyalkyl succinimide into the assistant can adjust the pH value of the assistant, avoid corrosion to an engine caused by too low pH value, simultaneously play a role in purifying diesel oil, and reduce carbon deposition of the engine caused by insufficient combustion of olefin in the diesel oil, because the N-benzene hard amide and the polyalkyl succinimide generate a catalytic action on heteroatom compounds such as hydrocarbon, sulfur, nitrogen, oxygen and the like, the combustion of the heteroatom compounds is more sufficient, and simultaneously the N-benzene hard amide can prevent the aggregation of carbon atoms which are not sufficiently combusted through electrostatic action.
Secondly, the dimer acid glycerol trioxide is used as a novel antiwear agent, so that the lubricating property of the diesel oil is improved, the cetane number of the diesel oil is also improved, the adhesion force among N-benzene hard amide molecules can be damaged, the viscosity of the diesel oil is reduced, the assistant is rapidly and uniformly dispersed in the diesel oil, and the viscosity of the diesel oil is not influenced;
finally, the invention has simple preparation process, low requirement on equipment and convenient use, can be directly added into diesel oil during production or before use, and can be quickly and uniformly mixed with the diesel oil.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 shows the effect of a petrochemical additive according to the present invention on the cetane number of diesel fuel;
FIG. 2 shows the result of lowering the freezing point of 5# diesel oil by using a petrochemical additive of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 2, as shown in fig. 1 to 2, a petrochemical additive according to the present invention includes the following embodiments:
example 1
The petrochemical additive comprises the following raw materials in percentage by weight: 10% of dimer acid glycerol ester, 30% of diethylene glycol dimethyl ether, 25% of 1, 2, 4-trioxane, 20% of maleic acid alkylamide alpha-olefin, 8% of N-benzene hard amide and 7% of polyalkyl succinimide.
The preparation method of the petrochemical engineering auxiliary agent comprises the following steps:
weighing the dimer acid glycerol ester, the diethylene glycol dimethyl ether and the 1, 2, 4-trioxane, mixing, heating in a water bath at 45-55 ℃, magnetically stirring in the heating process, adding the maleic acid alkyl amide-alpha-olefin, the N-benzene hard amide and the polyalkyl succinimide after stirring for 2 hours, stirring for 30 minutes, pouring out, sealing at room temperature and standing for 48 hours.
Example 2
The petrochemical additive comprises the following raw materials in percentage by weight: 10% of dimer acid glycerol ester, 30% of diethylene glycol dimethyl ether, 25% of 1, 2, 4-trioxane, 20% of maleic acid alkylamide alpha-olefin and 6% of N-benzene hard amide.
The preparation method is the same as that of example 1
Example 3
The petrochemical additive comprises the following raw materials in percentage by weight: the auxiliary agent comprises the following raw materials in percentage: 15% of dimer acid glycerol ester, 25% of diethylene glycol dimethyl ether, 35% of 1, 2, 4-trioxane, 15% of maleic acid alkylamide alpha-olefin and 10% of polyalkyl succinimide.
The preparation method is the same as that of example 1
Examples of the experiments
The additives prepared in examples 1 to 3 were added to diesel oil to determine the influence of different addition amounts on the cetane number, wear resistance, pour point depressing property and cleaning property of diesel oil:
cetane number measurement:
100ppm, 200ppm, 300ppm, 400ppm, 500ppm, 600ppm, 700ppm, 800ppm, 900ppm, 1000ppm of the additive is added into the diesel respectively, and the change of cetane value of the diesel after the addition is measured, and the result is shown in figure 1: it can be seen from the figure that the addition of the additive of the invention can obviously improve the cetane number of diesel oil, and the cetane number of the diesel oil is increased along with the increase of the addition amount of the additive, when the addition amount of the additive is more than 800ppm, the increase of the cetane number tends to be smooth, and the cetane number of the diesel oil can be improved by about 7 by adding the 800ppm additive, because the addition of the dimer acid glycerol ester can promote the cetane number improvement of diethylene glycol dimethyl ether and 1.2.4-trioxane while improving the anti-wear performance.
And (3) measuring the wear resistance:
the diesel oil is tested for the wear-resisting spot diameter by using a high-frequency reciprocating friction wear testing machine WFD-C1, and the addition of 700ppm of the auxiliary agent can reduce the wear-resisting spot diameter from 613.4 mu m to 364.2 mu m, while the addition of the same dosage of the antiwear agent alone can reduce the wear-resisting spot diameter from 613.4 mu m to 419.3 mu m, which shows that the antiwear performance of the auxiliary agent is obviously better than that of the antiwear agent added alone.
And (3) performance determination of the pour point depressant:
the influence of the auxiliary agent of the invention on the freezing point of diesel oil is measured by adopting 5# diesel oil, 100ppm, 200ppm, 300ppm, 400ppm, 500ppm, 600ppm, 700ppm, 800ppm, 900ppm and 1000ppm of the auxiliary agent are respectively added into the diesel oil, then the freezing point of the diesel oil is observed, and the result is shown in figure 2, and the freezing point of the 5# diesel oil can be reduced from 8 ℃ to about-23 ℃ by adding 800ppm of the auxiliary agent.
Firstly, the invention adopts dimer acid glycerol ester, diethylene glycol dimethyl ether, 1, 2, 4-trioxacyclohexane, maleic acid alkyl amide alpha-olefin, N-benzene hard amide and/or polyalkyl succinimide as raw materials to prepare a petrochemical additive, the additive can improve the cetane number of diesel oil by about 7 and reduce the freezing point of 5# diesel oil by about 30 ℃, and can also greatly improve the wear resistance of the diesel oil without influencing other properties of the diesel oil.
Secondly, the addition of N-benzene hard amide and polyalkyl succinimide into the assistant can adjust the pH value of the assistant, avoid corrosion to an engine caused by too low pH value, simultaneously play a role in purifying diesel oil, and reduce carbon deposition of the engine caused by insufficient combustion of olefin in the diesel oil, because the N-benzene hard amide and the polyalkyl succinimide generate a catalytic action on heteroatom compounds such as hydrocarbon, sulfur, nitrogen, oxygen and the like, the combustion of the heteroatom compounds is more sufficient, and simultaneously the N-benzene hard amide can prevent the aggregation of carbon atoms which are not sufficiently combusted through electrostatic action.
Secondly, the dimer acid glycerol trioxide is used as a novel antiwear agent, and after being added, the dimer acid glycerol trioxide not only improves the antiwear property of diesel oil, but also improves the cetane number of the diesel oil, and simultaneously can destroy the adhesive force among N-benzene hard amide molecules, so that the viscosity of the diesel oil is reduced, and the auxiliary agent disclosed by the invention is rapidly and uniformly dispersed in the diesel oil and does not influence the viscosity of the diesel oil;
finally, the invention has simple preparation process, low requirement on equipment and convenient use, can be directly added into diesel oil during production or before use, and can be quickly and uniformly mixed with the diesel oil.
Claims (5)
1. The petrochemical additive is characterized by comprising the following raw materials in percentage by weight: 10-20% of dimer acid glycerol ester, 15-30% of diethylene glycol dimethyl ether, 25-50% of 1.2.4-trioxane, 10-20% of maleic acid alkyl amide alpha-olefin and 4-16% of detergent, wherein the sum of the mass percentages of the components is 100%;
the detergent is N-benzene hard amide and/or polyalkyl succinimide.
2. The petrochemical additive according to claim 1, wherein the additive comprises the following raw materials in percentage by weight: 10% of dimer acid glycerol ester, 30% of diethylene glycol dimethyl ether, 25% of 1.2.4-trioxane, 20% of maleic acid alkylamide alpha-olefin and 15% of detergent;
the detergent is N-benzene hard amide and/or polyalkyl succinimide.
3. The petrochemical additive according to claim 1, wherein the additive comprises the following raw materials in percentage by weight: 20% of dimer acid glycerol ester, 15% of diethylene glycol dimethyl ether, 49% of 1.2.4-trioxane, 10% of maleic acid alkylamide alpha-olefin and 6% of detergent;
the detergent is N-benzene hard amide and/or polyalkyl succinimide.
4. The petrochemical additive according to claim 1, wherein the additive comprises the following raw materials in percentage by weight: 15% of dimer acid glycerol ester, 25% of diethylene glycol dimethyl ether, 35% of 1.2.4-trioxane, 15% of maleic acid alkylamide alpha-olefin and 10% of detergent;
the detergent is N-benzene hard amide and/or polyalkyl succinimide.
5. A process for the preparation of a petrochemical co-agent according to any one of claims 1 to 4, comprising the steps of: weighing the dimer acid glycerol ester, the diethylene glycol dimethyl ether and the 1, 2, 4-trioxane, mixing, heating in a water bath at 45-55 ℃, magnetically stirring in the heating process, adding the maleic acid alkyl amide-alpha-olefin, the N-benzene hard amide and/or the polyalkyl succinimide after stirring for 2 hours, stirring for 30 minutes, pouring out, sealing at room temperature and standing for 48 hours.
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| WO2013078631A1 (en) * | 2011-11-30 | 2013-06-06 | Xiong Liang | Anti-wear agent of hydrocarbon fuel and use method thereof |
| CN103275775B (en) * | 2013-06-25 | 2013-12-25 | 咸阳东庆石油化工有限公司 | Harmonic ingredient of high-power clean diesel oil |
| CN103642547B (en) * | 2013-12-24 | 2016-06-08 | 济南开发区星火科学技术研究院 | A kind of compound diesel additive and preparation method thereof |
| CN103992828B (en) * | 2014-05-20 | 2016-05-18 | 泉州市欧美润滑油制品有限公司 | There is lubricated wear-resistant diesel oil starting protection additive |
| CN104059703B (en) * | 2014-07-15 | 2015-10-28 | 陕西宝姜新能源技术研发有限公司 | A kind of compression ignition engine automobile tail gas purification agent and preparation and application thereof |
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