CN100335598C - High cleaning diesel oil stablizer - Google Patents
High cleaning diesel oil stablizer Download PDFInfo
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- CN100335598C CN100335598C CNB2005100988873A CN200510098887A CN100335598C CN 100335598 C CN100335598 C CN 100335598C CN B2005100988873 A CNB2005100988873 A CN B2005100988873A CN 200510098887 A CN200510098887 A CN 200510098887A CN 100335598 C CN100335598 C CN 100335598C
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- diesel oil
- present
- high cleaning
- stablizer
- catalytic cracking
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Abstract
The present invention relates to a high cleaning stabilizing agent of diesel oil. The present invention is composed of methyl aldehyde, isopropanol, dialkyl hydroquinone and amyl nitrate which are prepared proportionally and orderly by operation under the normal temperature and pressure. The present invention has the advantages of no waste pollution, low cost, easy purchase of raw materials, simple manufacturing process and convenient use. The stabilization period of catalytic cracking diesel oil can be extended by 45 days by the present invention; besides, the catalytic cracking diesel oil does not discolor and gel.
Description
Technical field
The present invention relates to a kind of high cleaning diesel oil stablizer, belong to petrochemicals.
Background technology
Refinery is through the resulting diesel oil of catalytic cracking, owing to contain the non-hydrocarbons compound and the unsaturated hydrocarbons of a large amount of sulfur-bearings, nitrogen, oxygen.Unsaturated hydrocarbons particularly alkadiene is the component of easy oxidation in the hydro carbons, oxidative condensation becomes insoluble colloid and sediment easily under the initiation of micro-non-hydrocarbon compound, the non-hydrocarbons compound is non-basic nitrogen compound such as pyroles especially, character such as tetrahydro carbazole are very unstable, be oxidized to superoxide easily and cause hydrocarbon oxidation, basic nitrogen compound such as pyridines, quinoline beautiful jade class has the oxidation catalysis effect when coexisting with non-basic nitrogen compound, can quicken superoxide generates and hydrocarbon oxidation, after above-mentioned these reactions the color and luster of diesel oil is deepened, influence the use value of oil product, and in oil product, also can supervene the insoluble gluey settling of a large amount of black, cause the obstruction of transfer line, influence normal fuel injection, easily form carbon deposit during this fuel combustion on engine nozzle, the aggravation engine scuffing also causes spray nozzle clogging.
The method that prior art solves the diesel oil stability problem is to adopt hydrogenation technique, and in the oil product after hydrofining, add Hinered phenols antioxidant, but this kind technology hydrofining complexity, need hydrogen source, build special device, investment is big, has only large-scale refinery to have ready conditions and adopts this method.At present, external discloseder patents such as US4822378, GE1917849 has adopted logical CO2 behind the high temperature alkaline purification diesel oil, use thanomin, trolamine, dialkyl group hydroxylamine again, Cycloalkyl amine keeps the stability of diesel oil color and luster and quality as the method for additive.But only for refining diesel oil later, and this effect is very faint.And domestic discloseder patents only divide the sediment of the diesel oil that refinery produces effective to suppressing portion, and can't suppress darkening of diesel oil.These disclosed patented method deficiencies: 1. be only applicable to the diesel oil behind the hydrogenation, invalid to the diesel oil that comes hydrotreatment.2. lack stationary phase, complex process, addition is big, the cost height.3. poor with the diesel oil mutual solubility.4. raw material is difficult for buying, by import.So in fact above-mentioned patent can not be applied.
Summary of the invention:
Purpose of the present invention just provides and a kind ofly overcomes weak point of the prior art, and provides a kind of Recipe simple, can operate at normal temperatures and pressures, and that does not pollute can effectively suppress the diesel oil variable color, forms the stablizer of gel.Its characteristics: stationary phase is long, and is easy to use, and consumption is little, and cost is low, and raw material is easily purchased, wide accommodation.
High cleaning diesel oil stablizer of the present invention is made up of reductive agent formaldehyde, mutual solvent Virahol, oxidation inhibitor dialkyl group Resorcinol, cetane number improver amyl nitrate, produces high cleaning diesel oil stablizer by stirring at normal temperatures and pressures.
Content of the present invention is a kind of high cleaning diesel oil stablizer, and purpose of the present invention can be finished in the following manner.
The component proportioning of high cleaning diesel oil stablizer of the present invention is weight percentage:
Formaldehyde 60～75%
Dialkyl group Resorcinol 20～30%
Virahol 4～10%
Amyl nitrate 1～4%
High cleaning diesel oil stablizer component proportioning of the present invention can also be weight percentage:
Formaldehyde 65～70%
Virahol 22～26%
Dialkyl group Resorcinol 6.5～8%
Amyl nitrate 1.5～3.5%
Compound method of the present invention be with above-mentioned various raw materials by proportioning, be sequentially added into and stir 5～15 minutes in the container, promptly can be made into high cleaning diesel oil stablizer.
High cleaning diesel oil stablizer of the present invention is through practical application in recent years, in the Dongguan, ground ten many enterprises such as Quanzhou, Zhanjiang have used its characteristics of proof, reach its application target (usage ratio: diesel oil 99.92% stablizer 0.08%).
First: the diesel oil that added this agent is long stationary phase, reaches nondiscoloration in 45 days, gel not, and colourity reaches the GB requirement.
Second: this agent wide accommodation, normal two wires diesel oil, catalytic cracking diesel oil, gasoline, cracking waste plastics diesel oil, gasoline, coker gasoline, light oil all adapts to.
The 3rd: operate at normal temperatures and pressures during preparation, technology is simple, and is easy to operate.
The 4th: raw material is easily purchased, and addition is little, and cost is low.
Embodiment:
Embodiment 1
Formaldehyde 66%
Virahol 26%
Dialkyl group Resorcinol 6.5%
Amyl nitrate 1.5%
Implement 2
Formaldehyde 68%
Virahol 22%
Dialkyl group Resorcinol 6.5%
Amyl nitrate 3.5%
More than operating process and the condition of two kinds of embodiment identical, both operations at normal temperatures and pressures select the back to add in the stirred vessel by any embodiment, stir 5-15 minute, both can obtain high cleaning diesel oil stablizer.
The catalytic cracking diesel oil that one refinery is produced in Quanzhou, the stablizer that adopts the embodiment of the invention 1 to be provided adds dosage 0.08%, and subordinate list is the storage test result.
Subordinate list (colourity is pressed ASTM D1500 standard testing)
| Date | July 3 | July 13 | July 23 | August 3 | August 13 | August 18 |
| Project | Colourity | Colourity | Colourity | Colourity | Colourity | Colourity |
| Blank oil | 2.0 | 3.4 | 4.0 | 4.5 | 5.0 | ＜6.0 |
| Embodiment 1 | 2.0 | 2.0 | 2.1 | 2.2 | 2.3 | ＜2.5 |
As can be seen from the table, add the catalytic cracking diesel oil of this agent, reached nondiscoloration, the effect of gel not.
Claims (2)
1, a kind of high cleaning diesel oil stablizer is characterized in that its each component and weight percent content are as follows:
Formaldehyde 60～75%
Virahol 20～30%
Dialkyl group Resorcinol 4～10%
Amyl nitrate 1～4%.
2, the described stablizer of claim 1 is characterized in that its each component and weight percent content are as follows:
Formaldehyde 65～70%
Virahol 22～26%
Dialkyl group Resorcinol 6.5～8%
Amyl nitrate 1.5～3.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100988873A CN100335598C (en) | 2005-09-12 | 2005-09-12 | High cleaning diesel oil stablizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100988873A CN100335598C (en) | 2005-09-12 | 2005-09-12 | High cleaning diesel oil stablizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1737089A CN1737089A (en) | 2006-02-22 |
| CN100335598C true CN100335598C (en) | 2007-09-05 |
Family
ID=36080041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100988873A Expired - Fee Related CN100335598C (en) | 2005-09-12 | 2005-09-12 | High cleaning diesel oil stablizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100335598C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0391735A1 (en) * | 1989-04-06 | 1990-10-10 | Exxon Chemical Patents Inc. | Fuel oil compositions |
| CN1093398A (en) * | 1994-03-17 | 1994-10-12 | 中国石化销售公司 | Diesel-dope |
| US5672793A (en) * | 1994-06-17 | 1997-09-30 | Phillips Petroleum Company | Stabilization of hydrocarbons by the addition of hydrazine |
-
2005
- 2005-09-12 CN CNB2005100988873A patent/CN100335598C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0391735A1 (en) * | 1989-04-06 | 1990-10-10 | Exxon Chemical Patents Inc. | Fuel oil compositions |
| CN1093398A (en) * | 1994-03-17 | 1994-10-12 | 中国石化销售公司 | Diesel-dope |
| US5672793A (en) * | 1994-06-17 | 1997-09-30 | Phillips Petroleum Company | Stabilization of hydrocarbons by the addition of hydrazine |
Non-Patent Citations (1)
| Title |
|---|
| 柴油稳定剂的现状与开发动向 林成发，辽宁化工，第33卷第2期 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1737089A (en) | 2006-02-22 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20110912 |