CN101348748B - Microemulsified biodiesel and preparation thereof - Google Patents
Microemulsified biodiesel and preparation thereof Download PDFInfo
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- CN101348748B CN101348748B CN2008101413307A CN200810141330A CN101348748B CN 101348748 B CN101348748 B CN 101348748B CN 2008101413307 A CN2008101413307 A CN 2008101413307A CN 200810141330 A CN200810141330 A CN 200810141330A CN 101348748 B CN101348748 B CN 101348748B
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Abstract
The invention relates to micro-emulsified biological diesel oil and a method for preparing the same. The micro-emulsified biological diesel oil is characterized by comprising the following substances in percentage by weight: wherein 50 to 60 percent of mineral diesel oil, 25 to 30 percent of animal grease, 10 to 15 percent of methanol, 0.5 to 3.0 percent of naphthenic acid, 0.5 to 3.0 percent of OP emulsifier, 0.5 to 2.0 percent of sodium dodecyl sulfonate and 0.5 to 2.0 percent of trolamine. The method for preparing the micro-emulsified biological diesel oil comprises the following steps: the animal grease, the methanol, the OP emulsifier, the sodium dodecyl sulfonate and the trolamine are evenly mixed according to weight percentage; the mixed solution is slowly poured into the mineral diesel oil under the stirring condition; simultaneously, according to the requirement of the weight percentage, the naphthenic acid is added and fully stirred and mixed, thereby preparing the micro-emulsified biological diesel oil. The micro-emulsified biological diesel oil has the advantages of high combustion efficiency, small environmental pollution, simple preparation process, convenient use and good stability and can be used as commercial oil for mass popularization and use.
Description
Technical field
The present invention relates to the biofuel processing technique field, relate in particular to a kind of micro-emulsified biological diesel and preparation method thereof.
Background technology
Be used to prepare method of bio-diesel oil in early days and adopt direct mixing method or dilution method more.Subsequently, for solving the high viscosity problem of vegetable and animals oils, carried out microemulsified research again.Then mainly adopt ester-interchange method at present.But, ester-interchange method production unit complexity, investment is big, the energy consumption height, direct economic benefit is not obvious, influences the industrialization promotion of biofuel.Therefore, micro-emulsified biological diesel is one of developing direction.Micro-emulsified biological diesel comprises other micro emulsion diesel fuel, comes out existing decades, but fails so far to be applied, and its reason is that there is following deficiency in the micro-emulsified biological diesel method in the prior art: 1, poor stability, preservation period is short.The micro emulsion diesel fuel majority of countries in the world development at present is the milk sap of white, and its water particle dia is between 0.01～0.1mm, and preservation period generally has only 2～10 days, can not have enough to meet the need as tank oil, gives to promote the use of and brings limitation.2, emulsifying agent cost height.The emulsifying agent of this class emulsification biofuel mainly adopts sapn series, tween series and oleic acid series material, form mechanism according to microemulsified, obtain the emulsification biofuel, must use emulsifying agent in a large number, because emulsifying agent cost height, though the emulsification biofuel has oil-saving effect preferably, fuel-economizing does not save money, the direct economic benefit that the user obtains is not obvious, and industrial applications is worth little.Other quality problems influence of 3, emulsification biofuel is used, and influences use etc. such as the big plug nozzle of viscosity, low-temperature fluidity are bad.
Summary of the invention
Purpose of the present invention is existing weak point and a kind of micro-emulsified biological diesel and preparation method thereof is provided at above-mentioned prior art just.Animal-plant oil that biofuel of the present invention is mainly utilized raw materials enjoy stable sources and had a considerable scale is as the micro-emulsified biological diesel that fish oil, methyl alcohol and mineral diesel are produced.
Purpose of the present invention can realize by following technique measures:
Micro-emulsified biological diesel of the present invention is made up of the material of following weight ratio, wherein:
Mineral diesel 50～60
Animal grease 25～30
Methyl alcohol 10～15
Naphthenic acid 0.5～3.0
OP emulsifying agent 0.5～3.0
Sodium laurylsulfonate 0.5～2.0
Trolamine 0.5～2.0
Preparation method of the present invention comprises the steps:
A, get animal grease and methyl alcohol, OP emulsifying agent, sodium laurylsulfonate and trolamine by weight, and it is carried out thorough mixing; B, a step gained mixed solution is slowly being joined under stirring condition at the uniform velocity in the mineral diesel of being got; C, get naphthenic acid by weight, and it is joined in the mixed solution of b step gained, after fully mixing, can make micro-emulsified biological diesel of the present invention, it is above and not stratified that the prepared micro-emulsified biological diesel of the present invention can be deposited half a year.
OP emulsifying agent described in the present invention is a fatty alcohol-polyoxyethylene ether.
The present invention compared with prior art has following advantage and beneficial effect:
1. the emulsifying agent and the related raw material that use of the present invention not only has the low characteristics of cost, and nontoxicity, non-corrosiveness;
2. the micro-emulsified biological diesel of the present invention's preparation is a water-in-oil emulsion, stable physical property, and viscosity, flash-point, low-temperature performance etc. are close with mineral diesel;
3. preparation technology is simple, and environment is not produced pollution;
4. the micro-emulsified biological diesel price of the present invention's preparation is lower than common mineral diesel, can be used as the tank oil large-scale popularization and uses.
Embodiment
The present invention is further described below with reference to embodiment:
Embodiment 1
Get mineral diesel 50%, animal grease (fish oil) 30%, methyl alcohol 15%, naphthenic acid 1.5%, OP emulsifying agent 1.5%, sodium laurylsulfonate 1.0%, trolamine 1.0% by weight;
A, will carry out thorough mixing by weight the animal grease of being got (fish oil), methyl alcohol, OP emulsifying agent, sodium laurylsulfonate and trolamine;
B, a step gained mixed solution is slowly being joined under stirring condition at the uniform velocity in the mineral diesel of being got;
C, will join in the mixed solution of b step gained by weight the naphthenic acid of being got, and after fully mixing, can make micro-emulsified biological diesel of the present invention, it is above and not stratified that the prepared micro-emulsified biological diesel of the present invention can be deposited half a year.
Embodiment 2
Get mineral diesel 60%, animal grease (fish oil) 25%, methyl alcohol 10%, naphthenic acid 2.0%, OP emulsifying agent 1.5%, sodium laurylsulfonate 0.5%, trolamine 1.0% by weight;
A, will carry out thorough mixing by weight the animal grease of being got (fish oil), methyl alcohol, OP emulsifying agent, sodium laurylsulfonate and trolamine;
B, a step gained mixed solution is slowly being joined under stirring condition at the uniform velocity in the mineral diesel of being got;
C, will join in the mixed solution of b step gained by weight the naphthenic acid of being got, and after fully mixing, can make micro-emulsified biological diesel of the present invention, it is above and not stratified that the prepared micro-emulsified biological diesel of the present invention can be deposited half a year.
Embodiment 3
Get mineral diesel 50%, animal grease 25%, methyl alcohol 15%, naphthenic acid 3.0%, OP emulsifying agent 3.0%, sodium laurylsulfonate 2.0%, trolamine 2.0% by weight;
A, will carry out thorough mixing by weight the animal grease of being got, methyl alcohol, OP emulsifying agent, sodium laurylsulfonate and trolamine;
B, a step gained mixed solution is slowly being joined under stirring condition at the uniform velocity in the mineral diesel of being got;
C, will join in the mixed solution of b step gained by weight the naphthenic acid of being got, and after fully mixing, can make micro-emulsified biological diesel of the present invention, it is above and not stratified that the prepared micro-emulsified biological diesel of the present invention can be deposited half a year.
Embodiment 4
Get mineral diesel 55%, animal grease 28%, methyl alcohol 13%, naphthenic acid 1.0%, OP emulsifying agent 1.5%, sodium laurylsulfonate 1.0%, trolamine 0.5% by weight;
A, will carry out thorough mixing by weight the animal grease of being got, methyl alcohol, OP emulsifying agent, sodium laurylsulfonate and trolamine;
B, a step gained mixed solution is slowly being joined under stirring condition at the uniform velocity in the mineral diesel of being got;
C, will join in the mixed solution of b step gained by weight the naphthenic acid of being got, and after fully mixing, can make micro-emulsified biological diesel of the present invention, it is above and not stratified that the prepared micro-emulsified biological diesel of the present invention can be deposited half a year.
Micro-emulsified biological diesel of the present invention is through overtesting: do not analyse grease in three months, do not analyse methyl alcohol, transparent and stable depositing below 10 ℃.
Prove through Industrial Boiler and diesel motor bench testing: stable storing, flameholding, calorific value is big, does not stop up oil circuit and atomizing nozzle.
Claims (2)
1. micro-emulsified biological diesel, it is characterized in that: the material by following weight ratio is formed,
Wherein:
Mineral diesel 50～60
Animal grease 25～30
Methyl alcohol 10～15
Naphthenic acid 0.5～3.0
OP emulsifying agent 0.5～3.0
Sodium laurylsulfonate 0.5～2.0
Trolamine 0.5～2.0.
2. preparation method who is used for the described micro-emulsified biological diesel of claim 1, it is characterized in that: this method comprises the steps:
A, get animal grease and methyl alcohol, OP emulsifying agent, sodium laurylsulfonate and trolamine by weight, and it is carried out thorough mixing;
B, a step gained mixed solution is slowly being joined under stirring condition at the uniform velocity in the mineral diesel of being got;
C, get naphthenic acid by weight, and it is joined in the mixed solution of b step gained, after fully mixing, can make described micro-emulsified biological diesel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101413307A CN101348748B (en) | 2008-09-10 | 2008-09-10 | Microemulsified biodiesel and preparation thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101413307A CN101348748B (en) | 2008-09-10 | 2008-09-10 | Microemulsified biodiesel and preparation thereof |
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| Publication Number | Publication Date |
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| CN101348748A CN101348748A (en) | 2009-01-21 |
| CN101348748B true CN101348748B (en) | 2011-01-26 |
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| CN2008101413307A Expired - Fee Related CN101348748B (en) | 2008-09-10 | 2008-09-10 | Microemulsified biodiesel and preparation thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838562B (en) * | 2009-12-04 | 2013-03-20 | 郑州侨联生物能源有限公司 | Proportional bio-diesel and preparation method thereof |
| CN102260554B (en) * | 2010-05-27 | 2014-08-27 | 浙江中赢节能环保科技有限公司 | Microemulsified biodiesel and preparation technique thereof |
| CN102304392B (en) * | 2011-08-04 | 2013-12-18 | 孔永平 | Composite biodiesel and preparation method thereof |
| CN102504890A (en) * | 2011-11-08 | 2012-06-20 | 焦作市新生生物化工有限公司 | Composite methanol diesel and preparation method thereof |
| CN103265982B (en) * | 2013-06-14 | 2015-04-08 | 胡铁义 | Alcohol ether biodiesel and mixed diesel containing alcohol ether biodiesel |
| CN104845686B (en) * | 2015-03-28 | 2017-01-18 | 宁夏宝塔石化科技实业发展有限公司 | Formula of diesel oil micro-emulsified complexing agent and preparation method of emulsified diesel oil |
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