CN109609214A - A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition - Google Patents
A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition Download PDFInfo
- Publication number
- CN109609214A CN109609214A CN201910004516.6A CN201910004516A CN109609214A CN 109609214 A CN109609214 A CN 109609214A CN 201910004516 A CN201910004516 A CN 201910004516A CN 109609214 A CN109609214 A CN 109609214A
- Authority
- CN
- China
- Prior art keywords
- mixture
- auxiliary agent
- diesel oil
- environmentally friendly
- low temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- 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
-
- 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
- C10L1/188—Carboxylic acids; metal salts thereof
- C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
-
- 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
- C10L1/192—Macromolecular compounds
- C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/196—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof
- C10L1/1963—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof mono-carboxylic
-
- 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
- C10L1/192—Macromolecular compounds
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
- C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The invention discloses a kind of preparation methods of environmentally friendly auxiliary agent for preventing low temperature diesel oil wax deposition, comprising the following steps: ethylene glycol and polyethylene glycol S1, are mixed and made into mixed solution A；S2, it takes plastic of poly vinyl acetate and Polystearylmethacrylate to be dissolved separately in the mixed solution A that temperature is 30~50 DEG C, mixture B and mixture C is respectively obtained after being cooled to room temperature；S3, it oleic acid is dissolved in mixed solution A obtains mixture D, stir evenly and be placed in microwave reactor, power setting 600W, time 5min take out after heating reaction；S4, it is mixed under fast stirring with mixture B and mixture C after mixture D is cooled to room temperature to get to environmentally friendly auxiliary agent.The environmentally friendly auxiliary agent that the method for the present invention is produced is deployed by the multipolymer containing chain alkyl and highly polar group with active material, it is suitble to the diesel oil of various different crude oils processings, refinery's diesel and gasoline ratio can be improved in it, improves low temperature diesel quality and other indexs.
Description
Technical field
The present invention relates to additive agent field more particularly to a kind of preparation sides for the environmentally friendly auxiliary agent for preventing low temperature diesel oil wax deposition
Method.
Background technique
Diesel oil is the midbarrel in petroleum refining process, and general boiling range is a kind of multiple groups between 170 DEG C~380 DEG C
The complicated hydrocarbon mixture divided, contains n-alkane, cycloalkane, alkene and aromatic hydrocarbon.Wax is the n-alkane in diesel oil, works as temperature
When degree reduces, the wax crystalline substance in diesel oil can be gradually precipitated, and the wax crystalline substance of the lower precipitation of temperature is more, forms three-dimensional netted crystallization, makes bavin
Oil loses flowability, and influences the normal use and transport of diesel oil.In order to improve the low temperature fluidity of diesel oil, it is necessary to take certain
Measure reduce diesel oil condensation point, keep it in the standard limited value of use for diesel engine oil.
Solve diesel oil at low-temperature crystallisation problems and be mainly the following method: (1) by adjusting process units operating parameter or
Change processing route, such as using be hydrocracked, delay coking process, but the problems such as there are investment cost and big operating costs,
Therefore it is subject to certain restrictions.(2) by adjusting the cut point of fractionating column, shorten diesel oil boiling range, reduce heavy constituent in diesel oil, it can
Reduce diesel oil at low-temperature crystallization temperature.But with the reduction of heavy constituent, necessarily affect the device capbility of diesel oil.(3) in long distillate
In diesel oil, improve the low temperature crystallization problem of diesel oil by the way that chemical assistant is added.This is a kind of flexible, easy, economical and effective
Method.
Summary of the invention
Object of the present invention is to solve the above problems, a kind of environmentally friendly auxiliary agent that low temperature diesel oil wax deposition can be effectively prevented is provided
Preparation method.
To achieve the goals above, the technical scheme is that
A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition, comprising the following steps:
S1, ethylene glycol and polyethylene glycol are mixed and made into mixed solution A；
S2, to take plastic of poly vinyl acetate and Polystearylmethacrylate to be dissolved separately in temperature be 30~50 DEG C mixed
It closes in solution A, mixture B and mixture C is respectively obtained after being cooled to room temperature；
S3, it oleic acid is dissolved in mixed solution A obtains mixture D, stir evenly and be placed in microwave reactor, power is set
It is set to 500~600W, the time is 5~7min, is taken out after heating reaction；
S4, it is mixed under fast stirring with mixture B and mixture C after mixture D is cooled to room temperature to get to environmental protection
Auxiliary agent.
Further, the mass ratio of ethylene glycol and polyethylene glycol is 0.5~1:1 in the mixed solution A.
Further, in the mixture B in the step S2, the mass ratio of plastic of poly vinyl acetate and mixed solution A
For 1:0.5~1.5；In mixture C, the mass ratio of Polystearylmethacrylate and mixed solution A is 1:0.5~1.5.
Further, in the mixture D in the step S3, the mass ratio of oleic acid and mixed solution A is 1:0.5~1.
Further, catalyst is added in the mixture D in the step S3.
Further, the catalyst is the hydrochloric acid that concentration is 0.1mol/L.
Further, in the mixture D in the step S3, the mass ratio of oleic acid and catalyst is 60:1.
Compared with prior art, the advantages and positive effects of the present invention are:
The environmentally friendly auxiliary agent that the method for the present invention is produced by containing chain alkyl and highly polar group multipolymer with
Active material is deployed, and is suitble to the diesel oil of various different crude oils processings, refinery's diesel and gasoline ratio can be improved, improve low temperature
Diesel quality and other indexs, and the auxiliary agent raw material is cheap, reaction is simple, save the cost while, have the function of resistive connection wax；
On the other hand, the auxiliary agent is free from environmental pollution, with environment protecting, the mixture after reaction in component containing oleic acid and oleate,
With anti-wear lubricating effect, increase with the mixed stability of diesel oil, to improve the using effect of diesel oil.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Embodiment 1, a kind of preparation method for the environmentally friendly auxiliary agent for preventing low temperature diesel oil wax deposition, comprising the following steps:
S1, ethylene glycol and polyethylene glycol are mixed and made into mixed solution A；Ethylene glycol and polyethylene glycol in mixed solution A
Mass ratio is 0.5:1.
S2, take plastic of poly vinyl acetate and Polystearylmethacrylate be dissolved separately in temperature be 30 DEG C mixing it is molten
In liquid A, mixture B and mixture C are respectively obtained after being cooled to room temperature；In mixture B, plastic of poly vinyl acetate with mix it is molten
The mass ratio of liquid A is 1:0.5；In mixture C, the mass ratio of Polystearylmethacrylate and mixed solution A is 1:0.5.
S3, it oleic acid is dissolved in mixed solution A obtains mixture D, and it is 0.1mol/L's that concentration is added in the mixture
Hydrochloric acid, in mixture D, the mass ratio of oleic acid and mixed solution A is 1:0.5；The mass ratio of oleic acid and hydrochloric acid is 60:1；Stirring is equal
Even to be placed in microwave reactor, power setting 500W, time 7min take out after heating reaction；
S4, it is mixed under fast stirring with mixture B and mixture C after mixture D is cooled to room temperature to get to environmental protection
Auxiliary agent.
Embodiment 2, a kind of preparation method for the environmentally friendly auxiliary agent for preventing low temperature diesel oil wax deposition, comprising the following steps:
S1, ethylene glycol and polyethylene glycol are mixed and made into mixed solution A；Ethylene glycol and polyethylene glycol in mixed solution A
Mass ratio is 0.8:1.
S2, take plastic of poly vinyl acetate and Polystearylmethacrylate be dissolved separately in temperature be 40 DEG C mixing it is molten
In liquid A, mixture B and mixture C are respectively obtained after being cooled to room temperature；In mixture B, plastic of poly vinyl acetate with mix it is molten
The mass ratio of liquid A is 1:1；In mixture C, the mass ratio of Polystearylmethacrylate and mixed solution A is 1:1.
S3, it oleic acid is dissolved in mixed solution A obtains mixture D, and it is 0.1mol/L's that concentration is added in the mixture
Hydrochloric acid, in mixture D, the mass ratio of oleic acid and mixed solution A is 1:0.8；The mass ratio of oleic acid and hydrochloric acid is 60:1；Stirring is equal
Even to be placed in microwave reactor, power setting 550W, time 6min take out after heating reaction；
S4, it is mixed under fast stirring with mixture B and mixture C after mixture D is cooled to room temperature to get to environmental protection
Auxiliary agent.
Embodiment 3, a kind of preparation method for the environmentally friendly auxiliary agent for preventing low temperature diesel oil wax deposition, comprising the following steps:
S1, ethylene glycol and polyethylene glycol are mixed and made into mixed solution A；Ethylene glycol and polyethylene glycol in mixed solution A
Mass ratio is 1:1.
S2, take plastic of poly vinyl acetate and Polystearylmethacrylate be dissolved separately in temperature be 50 DEG C mixing it is molten
In liquid A, mixture B and mixture C are respectively obtained after being cooled to room temperature；In mixture B, plastic of poly vinyl acetate with mix it is molten
The mass ratio of liquid A is 1:1.5；In mixture C, the mass ratio of Polystearylmethacrylate and mixed solution A is 1:1.5.
S3, it oleic acid is dissolved in mixed solution A obtains mixture D, and it is 0.1mol/L's that concentration is added in the mixture
Hydrochloric acid, in mixture D, the mass ratio of oleic acid and mixed solution A is 1:1；The mass ratio of oleic acid and hydrochloric acid is 60:1；It stirs evenly
It is placed in microwave reactor, power setting 600W, time 5min, is taken out after heating reaction；
S4, it is mixed under fast stirring with mixture B and mixture C after mixture D is cooled to room temperature to get to environmental protection
Auxiliary agent.
Embodiment 4
A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition, comprising the following steps:
S1, ethylene glycol and polyethylene glycol are mixed and made into mixed solution A；Ethylene glycol and polyethylene glycol in mixed solution A
Mass ratio is 1:1.
S2, take plastic of poly vinyl acetate and Polystearylmethacrylate be dissolved separately in temperature be 50 DEG C mixing it is molten
In liquid A, mixture B and mixture C are respectively obtained after being cooled to room temperature；In mixture B, plastic of poly vinyl acetate with mix it is molten
The mass ratio of liquid A is 1:1；In mixture C, the mass ratio of Polystearylmethacrylate and mixed solution A is 1:1.
S3, it oleic acid is dissolved in mixed solution A obtains mixture D, and it is 0.1mol/L's that concentration is added in the mixture
Hydrochloric acid, in mixture D, the mass ratio of oleic acid and mixed solution A is 1:1；The mass ratio of oleic acid and hydrochloric acid is 60:1；It stirs evenly
It is placed in microwave reactor, power setting 600W, time 5min, is taken out after heating reaction；
S4, it is mixed under fast stirring with mixture B and mixture C after mixture D is cooled to room temperature to get to environmental protection
Auxiliary agent.
Produce four kinds of environmentally friendly auxiliary agents according to the method for the present invention, model is respectively HH-01, HH-02, HH-03, HH-04,
Effect and preferred best product for the identification environmentally friendly auxiliary agent of the invention produced, by comparative experiments in-No. 35 diesel oil
After middle tetra- kinds of samples of addition 200ppm, the cold filter plugging point (cold filter plugging point is the important indicator for measuring diesel oil resistive connection wax performance) and mill of diesel oil
Trace diameter change, experimental result are as follows:
(1) cold filter plugging point test result
(2) grinding defect diameter test result
By the above experimental result, choose that HH-04 effect is good, and cold filter point of diesel oil is substantially reduced after addition, and grinding defect diameter
It is minimum.
Claims (7)
1. a kind of preparation method for the environmentally friendly auxiliary agent for preventing low temperature diesel oil wax deposition, it is characterised in that: the following steps are included:
S1, ethylene glycol and polyethylene glycol are mixed and made into mixed solution A；
S2, take plastic of poly vinyl acetate and Polystearylmethacrylate be dissolved separately in temperature be 30~50 DEG C mixing it is molten
In liquid A, mixture B and mixture C are respectively obtained after being cooled to room temperature；
S3, it oleic acid is dissolved in mixed solution A obtains mixture D, stir evenly and be placed in microwave reactor, power setting is
500~600W, time are 5~7min, are taken out after heating reaction；
S4, it mixes after mixture D is cooled to room temperature with mixture B and mixture C and is helped to get to environmental protection under fast stirring
Agent.
2. preventing the preparation method of the environmentally friendly auxiliary agent of low temperature diesel oil wax deposition as described in claim 1, it is characterised in that: described mixed
Closing the mass ratio of ethylene glycol and polyethylene glycol in solution A is 0.5~1:1.
3. the preparation method of the environmentally friendly auxiliary agent as described in claim 1 or 2 is any for preventing low temperature diesel oil wax deposition, feature exist
In: in the mixture B in the step S2, the mass ratio of plastic of poly vinyl acetate and mixed solution A is 1:0.5~1.5；It is mixed
It closes in object C, the mass ratio of Polystearylmethacrylate and mixed solution A is 1:0.5~1.5.
4. the preparation method of the environmentally friendly auxiliary agent as described in claim 1 or 2 is any for preventing low temperature diesel oil wax deposition, feature exist
In: in the mixture D in the step S3, the mass ratio of oleic acid and mixed solution A is 1:0.5~1.
5. preventing the preparation method of the environmentally friendly auxiliary agent of low temperature diesel oil wax deposition as claimed in claim 4, it is characterised in that: the step
Catalyst is added in mixture D in rapid S3.
6. preventing the preparation method of the environmentally friendly auxiliary agent of low temperature diesel oil wax deposition as claimed in claim 5, it is characterised in that: described to urge
Agent concentration is the hydrochloric acid of 0.1mol/L.
7. preventing the preparation method of the environmentally friendly auxiliary agent of low temperature diesel oil wax deposition as claimed in claim 5, it is characterised in that: the step
In mixture D in rapid S3, the mass ratio of oleic acid and catalyst is 60:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910004516.6A CN109609214A (en) | 2019-01-03 | 2019-01-03 | A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910004516.6A CN109609214A (en) | 2019-01-03 | 2019-01-03 | A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109609214A true CN109609214A (en) | 2019-04-12 |
Family
ID=66016581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910004516.6A Pending CN109609214A (en) | 2019-01-03 | 2019-01-03 | A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109609214A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111635792A (en) * | 2020-05-27 | 2020-09-08 | 上海中太行之光能源有限公司 | Environment-friendly antifreeze agent for diesel oil and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091152A (en) * | 1994-01-06 | 1994-08-24 | 王学绍 | A kind of method for preparing energy-saving lubricant oil |
| CN101709233A (en) * | 2009-10-28 | 2010-05-19 | 上海应用技术学院 | Diesel fuel pour-point depressant dispersant and preparation method thereof |
| CN103642546A (en) * | 2013-11-19 | 2014-03-19 | 济南开发区星火科学技术研究院 | Diesel oil pour-point and viscosity reducer, and preparation method thereof |
| CN104910977A (en) * | 2015-05-29 | 2015-09-16 | 马健 | Diesel oil pour point depressant |
| CN107964433A (en) * | 2017-12-12 | 2018-04-27 | 天津大远科技有限公司 | A kind of diesel pour inhibitor and preparation method thereof |
-
2019
- 2019-01-03 CN CN201910004516.6A patent/CN109609214A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091152A (en) * | 1994-01-06 | 1994-08-24 | 王学绍 | A kind of method for preparing energy-saving lubricant oil |
| CN101709233A (en) * | 2009-10-28 | 2010-05-19 | 上海应用技术学院 | Diesel fuel pour-point depressant dispersant and preparation method thereof |
| CN103642546A (en) * | 2013-11-19 | 2014-03-19 | 济南开发区星火科学技术研究院 | Diesel oil pour-point and viscosity reducer, and preparation method thereof |
| CN104910977A (en) * | 2015-05-29 | 2015-09-16 | 马健 | Diesel oil pour point depressant |
| CN107964433A (en) * | 2017-12-12 | 2018-04-27 | 天津大远科技有限公司 | A kind of diesel pour inhibitor and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111635792A (en) * | 2020-05-27 | 2020-09-08 | 上海中太行之光能源有限公司 | Environment-friendly antifreeze agent for diesel oil and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2958973B1 (en) | Method for treating fluids contaminated with hydrogen sulphide by introducing low viscosity zinc octoate | |
| CN104560233A (en) | Low-lead aviation gasoline and preparation method thereof | |
| CN105861108A (en) | Method for reducing hydrogen sulfide evolution from asphalt and heavy fuel oils | |
| CN109609214A (en) | A kind of preparation method for the environmentally friendly auxiliary agent preventing low temperature diesel oil wax deposition | |
| CN106633947B (en) | A kind of warm mix polymer modified asphalt and preparation method thereof | |
| Cui et al. | Chemical modification process of heavy residue from FCC slurry oil for producing high-grade paving asphalt | |
| CN106630763B (en) | Warm mix polymer modified asphalt mixture and preparation method thereof | |
| CN106554828B (en) | Heavy fuel oil composition and preparation method thereof | |
| RU2691958C1 (en) | Method of determining content of paraffin in oil, oil products and oil-containing sediments | |
| CN102031166B (en) | Anti-turbidity agent for oil product and application thereof | |
| GB2197661A (en) | Solvent dewaxing using combination poly (n-c24)alkylmethacrylate-poly (c8-c20)alkyl meth-acrylate dewaxing aid | |
| CN106630762B (en) | A kind of warm mix polymer modified asphalt mixture and preparation method thereof | |
| CN107779221B (en) | Method for separating normal paraffin from gasoline and improving gasoline octane number | |
| CN110686164B (en) | Method for reducing viscosity of crude oil | |
| CN114015483A (en) | Ternary composite biodiesel pour point depressant and preparation and application thereof | |
| EP3551732B1 (en) | Polymeric dispersants for petroleum process streams | |
| RU2260034C1 (en) | Motor gasoline additive | |
| CN106633943B (en) | A kind of Warm-mix hard asphalt and preparation method thereof | |
| RU2412233C1 (en) | Depressant of complex action and procedure for transporting waxy-resin and low-watered oil with usage of this depressant | |
| CN113969196B (en) | Low-sulfur marine fuel oil and preparation method thereof | |
| CN113845944B (en) | No. 100 ultralow-lead aviation gasoline and production method thereof | |
| CN103964981A (en) | Emulsified explosive dedicated complex lipid prepared by waste animal and plant greases and preparation method thereof | |
| CN116042269A (en) | Low-sulfur heavy ship fuel and preparation method thereof | |
| CN107964433A (en) | A kind of diesel pour inhibitor and preparation method thereof | |
| CN105567346A (en) | High-definition test oil and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
|
| RJ01 | Rejection of invention patent application after publication |