CN106118763B - A kind of composite diesel additive and preparation method - Google Patents
A kind of composite diesel additive and preparation method Download PDFInfo
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- CN106118763B CN106118763B CN201610514924.2A CN201610514924A CN106118763B CN 106118763 B CN106118763 B CN 106118763B CN 201610514924 A CN201610514924 A CN 201610514924A CN 106118763 B CN106118763 B CN 106118763B
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- 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
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- C10L1/00—Liquid carbonaceous fuels
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- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
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- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
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- C10L1/10—Liquid carbonaceous fuels containing additives
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- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
- C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
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- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
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- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
- C10L1/1826—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms poly-hydroxy
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- 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
- C10L1/1857—Aldehydes; Ketones
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- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/23—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
- C10L1/231—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites nitro compounds; nitrates; nitrites
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- 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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- 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)
- C10L1/2387—Polyoxyalkyleneamines (poly)oxyalkylene amines and derivatives thereof (substituted by a macromolecular group containing 30C)
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- 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
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Abstract
The invention discloses a kind of composite diesel additive and preparation method, the additive includes in parts by weight：5~15 parts of cleansing performance functional group；15~25 parts of energy-saving and emission-reduction functional group；3~6 parts of lubricating function groups；55~70 parts of diluents.Composite diesel additive provided by the present invention, diesel quality can effectively be promoted, fuel oil 10%~30% can be saved under the identical service condition of diesel engine, reduction freely accelerates 90% or more smoke opacity index, the effect that can reach decarbonizing simultaneously and carbon distribution is inhibited to generate, the compound of function is realized, has the characteristics that excellent detergency, high-effective energy-saving fuel oil, reduce exhaust emissions.The preparation method of composite diesel additive provided by the present invention, simple process, energy consumption is few, effectively realizes that the compatible and compounding of various functions group, prepared additive are stablized, can safety in transportation and storage.
Description
Technical field
The invention belongs to energy and environment protection technique fields, and in particular to a kind of composite diesel additive and preparation side
Method.
Background technology
Currently, the technical parameter of the diesel oil in China quality itself and diesel engine is also unable to reach and exactly matches, in order to extend
Diesel engine service life, the using effect for improving diesel oil, it is necessary to promote the quality of diesel oil, effective diesel fuel additives be can yet be regarded as one kind
Effective technology shortcut.
On the market in common diesel fuel additives, there are commonly detersive, ENERGY-SAVING AGENT FOR etc., but the work(of diesel fuel additives
It can be relatively simple.It is a kind of important additive such as detersive, commonly used to remove carbon deposit etc., but is unable to reach energy-efficient
Purpose；And energy-efficient additive, it can not achieve the effect that reduce exhaust emissions simultaneously.And different additives, in adding procedure
In it is compound the effect is relatively poor, or even can mutually reduce using effect.Such as when adding additive for saving energy and detersive simultaneously, section
Can additive can inhibit to a certain extent detersive remove carbon deposit effect.
Invention content
Technical problems to be solved of the embodiment of the present invention are to provide a kind of compound diesel fuel additives and preparation method, with
The function that solves diesel fuel additives in the prior art is relatively simple, cannot while improving diesel combustion efficiency energy-saving and emission-reduction,
The problem of peace and quiet, storing and transporting security.
According to an aspect of the invention, there is provided a kind of composite diesel additive, the additive is in parts by weight
Including：
5~15 parts of cleansing performance functional group；
15~25 parts of energy-saving and emission-reduction functional group；
3~6 parts of lubricating function groups；
55~70 parts of diluents.
Preferably, the additive includes in parts by weight：
7~14 parts of cleansing performance functional group；
17~22 parts of energy-saving and emission-reduction functional group；
3~5 parts of lubricating function groups；
60~65 parts of diluents.
Preferential, the cleansing performance functional group includes one kind or two in polyetheramine, polyisobutylene succinamide
Kind；The energy-saving and emission-reduction functional group includes one or both of isooctyl ester nitrate, cyclohexyl nitrate, two n-butanol of oxalic acid or three
Kind；The lubricating function group includes in silicone oil, full synthetic oil and one or two kinds of；The diluent include cyclohexanone, n-butanol,
One or both of aviation kerosine or three kinds.
Preferably, the additive includes in parts by weight：
10 parts of cleansing performance functional group；
22 parts of energy-saving and emission-reduction functional group；
4 parts of lubricating function groups；
64 parts of diluents.
According to another aspect of the present invention, a kind of preparation method of composite diesel additive, the side are additionally provided
Method includes the following steps：
15~25 parts of energy-saving and emission-reduction functional groups and 3~6 parts of lubricating function groups are compounded, stablize it is compatible after obtain component
A；
The component A is dissolved in 55~70 parts of diluents, component B is obtained after stablizing；
5~15 parts of cleansing performance functional groups are added in the component B, carry out being heated to 20~40 in predetermined container
DEG C, while stirring 2~6 hours, obtain the composite diesel additive.
Preferably, in said program, the cleansing performance functional group includes in polyetheramine, polyisobutylene succinamide
One or two；The energy-saving and emission-reduction functional group includes one kind in isooctyl ester nitrate, cyclohexyl nitrate, two n-butanol of oxalic acid
Or two or three；The lubricating function group includes in silicone oil, full synthetic oil and one or two kinds of；The diluent includes hexamethylene
One or both of ketone, n-butanol, aviation kerosine or three kinds.
Preferably, the preparation method of the mould assembly diesel fuel additives includes the following steps：
17~22 parts of energy-saving and emission-reduction functional groups and 3~5 parts of lubricating function groups are compounded, stablize it is compatible after obtain component
A；
The component A is dissolved in 60~65 parts of diluents, component B is obtained after stablizing；
7~14 parts of cleansing performance functional groups are added in the component B, carry out being heated to 25~35 in predetermined container
DEG C, while stirring 3~5 hours, obtain the composite diesel additive.
The composite diesel additive that the embodiment of the present invention is provided, can effectively promote diesel quality, and diesel engine is identical
Fuel oil 10%~30% can be saved under service condition, reduction freely accelerates 90% or more smoke opacity index, can reach simultaneously
The effect for removing and inhibiting carbon distribution to generate, realizes the compound of function, has excellent detergency, high-effective energy-saving fuel oil, reduction
Exhaust emissions promotes the features such as fuel qualities.The preparation method of the composite diesel additive provided, simple process, energy consumption
It is few, effectively realize that the compatible and compounding of various functions group, additive are stablized, it can safety in transportation and storage.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
For the present invention in the prior art, the function of diesel fuel additives is relatively simple, cannot improve diesel combustion efficiency
While energy-saving and emission-reduction, peace and quiet, storing and transporting security the problem of, provide a kind of compound diesel fuel additives, can be preferably real
Existing function and service has the characteristics that excellent detergency, high-effective energy-saving fuel oil, reduces exhaust emissions, promotes fuel qualities.
Embodiment 1
A kind of compound diesel fuel additives is present embodiments provided, the additive includes 5~15 parts in parts by weight
Cleansing performance functional group, 15~25 parts of energy-saving and emission-reduction functional group, 3~6 parts of lubricating function groups, 55~70 parts of diluents.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
15~15 parts of energy-saving and emission-reduction functional groups and 3~6 parts of lubricating function groups are compounded, stablize it is compatible after obtain component
A；
The component A is dissolved in 55~70 parts of diluents, component B is obtained after stablizing；
5~15 parts of cleansing performance functional groups are added in the component B, carry out being heated to 20~40 in predetermined container
DEG C, while stirring 2~6 hours, obtain the composite diesel additive.
The composite diesel additive that the present embodiment is provided can effectively promote diesel quality, the identical operation of diesel engine
Under the conditions of can save fuel oil 10%~30%, reduction freely accelerates 90% or more smoke opacity index, while can reach removing
And the effect for inhibiting carbon distribution to generate.The preparation method of the composite diesel additive provided, simple process, energy consumption is few, has
Effect realizes that the compatible and compounding of various functions group, additive are stablized, can safety in transportation and storage.
Embodiment 2
A kind of compound diesel fuel additives is present embodiments provided, the additive includes 7~14 parts in parts by weight
Cleansing performance functional group, 17~22 parts of energy-saving and emission-reduction functional group, 3~5 parts of lubricating function groups, 60~65 parts of diluents.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
17~22 parts of energy-saving and emission-reduction functional groups and 3~5 parts of lubricating function groups are compounded, stablize it is compatible after obtain component A；It will be described
Component A is dissolved in 60~65 parts of diluents, and component B is obtained after stablizing；The component is added in 7~14 parts of cleansing performance functional groups
In B, carries out being heated to 25~35 DEG C in predetermined container, while stirring 3~5 hours, obtain the composite diesel additive.
Embodiment 3
Present embodiments provide a kind of compound diesel fuel additives, the additive includes 5 parts clear in parts by weight
Net performance functional group, 19 parts of energy-saving and emission-reduction functional group, 6 parts of lubricating function groups, 70 parts of diluents.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
19 parts of energy-saving and emission-reduction functional groups and 6 parts of lubricating function groups are compounded, stablize it is compatible after obtain component A；The component A is molten
In 70 parts of diluents, component B is obtained after stablizing；5 parts of cleansing performance functional groups are added in the component B, in predetermined container
In be heated to 20 DEG C, while stirring 4 hours, obtain the composite diesel additive.
Embodiment 4
Present embodiments provide a kind of compound diesel fuel additives, the additive includes 5 parts poly- in parts by weight
Ether amines, 20 parts of isooctyl ester nitrate, 5 parts of silicone oil, 70 parts of cyclohexanone.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
20 parts of isooctyl ester nitrates and 5 parts of silicone oil are compounded, stablize it is compatible after obtain component A；The component A is dissolved in 70 parts of hexamethylenes
In ketone, component B is obtained after stablizing；5 parts of polyetheramines are added in the component B, carry out being heated to 40 DEG C in predetermined container, together
When stir 6 hours, obtain the composite diesel additive.
Embodiment 5
Present embodiments provide a kind of compound diesel fuel additives, the additive includes 15 parts poly- in parts by weight
Isobutenyl succimide, 15 parts of cyclohexyl nitrate, 3 parts of full synthetic oils, 67 parts of n-butanols.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
15 parts of cyclohexyl nitrate and 3 parts of full synthetic oils are compounded, stablize it is compatible after obtain component A；The component A is dissolved in 67
In part n-butanol, component B is obtained after stablizing；15 parts of polyisobutylene succinamide is added in the component B, predetermined
It carries out being heated to 20 DEG C in container, while stirring 2 hours, obtain the composite diesel additive.
Embodiment 6
Present embodiments provide a kind of compound diesel fuel additives, the additive includes 10 parts poly- in parts by weight
Isobutenyl succimide, 25 parts of cyclohexyl nitrate, 3 parts of full synthetic oils, 62 parts of n-butanols.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
25 parts of cyclohexyl nitrate and 3 parts of full synthetic oils are compounded, stablize it is compatible after obtain component A；The component A is dissolved in 62
In part n-butanol, component B is obtained after stablizing；10 parts of polyisobutylene succinamide is added in the component B, predetermined
It carries out being heated to 20 DEG C in container, while stirring 2 hours, obtain the composite diesel additive.
Embodiment 7
A kind of compound diesel fuel additives is present embodiments provided, the additive includes 20 parts of times in parts by weight
The polyetheramine and polyisobutylene succinamide of meaning ratio, two n-butanol of oxalic acid of 15 parts of arbitrary proportion and nitric acid hexamethylene
The cyclohexanone and n-butanol of ester, the full synthetic oil of 3 parts of arbitrary proportions and silicone oil, 62 parts of arbitrary proportions.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, the side of the method and embodiment 6
Method is identical, the difference is that only the component of each raw material.
Embodiment 8
Present embodiments provide a kind of compound diesel fuel additives, the additive includes 15 parts poly- in parts by weight
Isobutenyl succimide, two n-butanol of isooctyl ester nitrate, cyclohexyl nitrate and oxalic acid of 25 parts of arbitrary proportion, 5 parts complete
Synthetic oil, cyclohexanone, n-butanol and the aviation kerosine of 55 parts of arbitrary proportions.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
The isooctyl ester nitrate of 25 parts of arbitrary proportion, cyclohexyl nitrate and two n-butanol of oxalic acid are compounded with 5 parts of full synthetic oils, surely
It is fixed it is compatible after obtain component A；The component A is dissolved in the cyclohexanone, n-butanol and aviation kerosine of 55 parts of arbitrary proportions, is stablized
After obtain component B；15 parts of polyisobutylene succinamide is added in the component B, is heated in predetermined container
It to 30 DEG C, while stirring 6 hours, obtains the composite diesel additive.
Embodiment 9
Present embodiments provide a kind of compound diesel fuel additives, the additive includes 10 parts poly- in parts by weight
Isobutenyl succimide, 22 parts of two n-butanol of oxalic acid, 4 parts of full synthetic oils, 64 parts of aviation kerosines.
The present embodiment additionally provides a kind of preparation method of composite diesel additive, and described method includes following steps：
22 parts of two n-butanol of oxalic acid and 4 parts of full synthetic oils are compounded, stablize it is compatible after obtain component A；The component A is dissolved in
In 64 parts of aviation kerosines, component B is obtained after stablizing；10 parts of polyisobutylene succinamide is added in the component B,
It carries out being heated to 30 DEG C in predetermined container, while stirring 4 hours, obtain the composite diesel additive.
The composite diesel additive that above-described embodiment is provided can effectively promote diesel quality, the identical fortune of diesel engine
Fuel oil 10%~30% can be saved under the conditions of row, reduction freely accelerates 90% or more smoke opacity index, while can reach clear
The effect for removing and inhibiting carbon distribution to generate.The preparation method of the composite diesel additive provided, simple process, energy consumption is few,
Effectively realize that the compatible and compounding of various functions group, additive are stablized, it can safety in transportation and storage.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of composite diesel additive, which is characterized in that the additive consists of the following compositions：
The cleansing performance functional group of one or both of polyetheramine, polyisobutylene succinamide composition；
The energy-saving and emission-reduction function of one or both of isooctyl ester nitrate, cyclohexyl nitrate, two n-butanol of oxalic acid or three kinds of compositions
Group；
In silicone oil, full synthetic oil and the lubricating function group of one or two kinds of composition；With
The diluent of one or both of cyclohexanone, n-butanol, aviation kerosine or three kinds of compositions；
Wherein, the parts by weight of each ingredient are respectively：
5~15 parts of cleansing performance functional group；
15~25 parts of energy-saving and emission-reduction functional group；
3~6 parts of lubricating function group；
55~70 parts of diluent.
2. diesel fuel additives according to claim 1, which is characterized in that the additive is in parts by weight by following component
Composition：
7~14 parts of cleansing performance functional group；
17~22 parts of energy-saving and emission-reduction functional group；
3~5 parts of lubricating function groups；
60~65 parts of diluents.
3. diesel fuel additives according to claim 1 or 2, which is characterized in that preferred, the additive is in parts by weight
It consists of the following compositions：
10 parts of cleansing performance functional group；
22 parts of energy-saving and emission-reduction functional group；
4 parts of lubricating function groups；
64 parts of diluents.
4. a kind of preparation method of composite diesel additive, which is characterized in that described method includes following steps：
15~25 parts of energy-saving and emission-reduction functional groups and 3~6 parts of lubricating function groups are compounded, stablize it is compatible after obtain component A；
The component A is dissolved in 55~70 parts of diluents, component B is obtained after stablizing；
5~15 parts of cleansing performance functional groups are added in the component B, carry out being heated to 20~40 DEG C in predetermined container, together
When stir 2~6 hours, obtain the composite diesel additive；
Wherein, the cleansing performance functional group is made of one or both of polyetheramine, polyisobutylene succinamide；Institute
Energy-saving and emission-reduction functional group is stated to be made of one or both of isooctyl ester nitrate, cyclohexyl nitrate, two n-butanol of oxalic acid or three kinds；
The lubricating function group in silicone oil, full synthetic oil with one or two by forming；The diluent is by cyclohexanone, n-butanol, boat
One or both of empty kerosene or three kinds of compositions.
5. the preparation method of diesel fuel additives according to claim 4, which is characterized in that the method includes walking as follows
Suddenly：
17~22 parts of energy-saving and emission-reduction functional groups and 3~5 parts of lubricating function groups are compounded, stablize it is compatible after obtain component A；
The component A is dissolved in 60~65 parts of diluents, component B is obtained after stablizing；
7~14 parts of cleansing performance functional groups are added in the component B, carry out being heated to 25~35 DEG C in predetermined container, together
When stir 3~5 hours, obtain the composite diesel additive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514924.2A CN106118763B (en) | 2016-07-01 | 2016-07-01 | A kind of composite diesel additive and preparation method |
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| CN111979001A (en) * | 2020-08-20 | 2020-11-24 | 高家彬 | Diesel oil additive and preparation method thereof |
| CN113337318B (en) * | 2021-06-08 | 2023-05-30 | 盛世昆仲(北京)科技发展有限公司 | Preparation method of energy-saving environment-friendly fuel oil |
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| CN1263144A (en) * | 1999-02-09 | 2000-08-16 | 北京艾木科技发展有限公司 | Multi-effect composite additive for gasoline/diesel oil and its preparation method |
| CN103194282A (en) * | 2013-04-08 | 2013-07-10 | 黄河三角洲京博化工研究院有限公司 | Diesel composite additive |
| CN103275775A (en) * | 2013-06-25 | 2013-09-04 | 咸阳东庆石油化工有限公司 | Harmonic ingredient of high-power clean diesel oil |
| CN104212503A (en) * | 2013-05-31 | 2014-12-17 | 湖北航天化学技术研究所 | Diesel oil additive |
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| CN102329667A (en) * | 2011-09-06 | 2012-01-25 | 姜立广 | Fuel oil additive and preparation method thereof |
| US8758456B2 (en) * | 2011-09-22 | 2014-06-24 | Afton Chemical Corporation | Fuel additive for improved performance of low sulfur diesel fuels |
| CN102585941B (en) * | 2012-03-06 | 2014-04-09 | 山东京博控股股份有限公司 | Microemulsification diesel fuel and preparation method thereof |
| CN103421553A (en) * | 2013-04-11 | 2013-12-04 | 襄阳客瑞客化工科技有限公司 | Diesel additive of energy conservation and emission reduction |
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| CN1263144A (en) * | 1999-02-09 | 2000-08-16 | 北京艾木科技发展有限公司 | Multi-effect composite additive for gasoline/diesel oil and its preparation method |
| CN103194282A (en) * | 2013-04-08 | 2013-07-10 | 黄河三角洲京博化工研究院有限公司 | Diesel composite additive |
| CN104212503A (en) * | 2013-05-31 | 2014-12-17 | 湖北航天化学技术研究所 | Diesel oil additive |
| CN103275775A (en) * | 2013-06-25 | 2013-09-04 | 咸阳东庆石油化工有限公司 | Harmonic ingredient of high-power clean diesel oil |
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