CN1786118A - Application of high erucic acid rapeseed oil as raw material to prepare biodiesel oil and methyl erueidate - Google Patents
Application of high erucic acid rapeseed oil as raw material to prepare biodiesel oil and methyl erueidate Download PDFInfo
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Abstract
The present invention relates to a method for preparing biological diesel oil and methyl erucate by using high erucidic acid rapeseed oil as raw material and their application. It is characterized by that it uses high erucidic acid rapeseed oil as raw material, and makes it undergo the processes of ester exchange and separation so as to obtain the invented biological diesel oil and methyl erucate. Said invention also provides their application method. The methyl erucate can be used as raw material for preparing erucidic acid derivative with high additional value.
Description
Technical field
The invention belongs to the applied technical field of high erucic acid rapeseed oil, relating in particular to a kind of is the technology application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil.
Background technology
Long-term being extensive use of on the one hand of fossil energy reduced available stock day by day, also brings serious environmental to pollute and ecological damage on the other hand.Since the end of the eighties in last century, many countries just begin to adjust the domestically produced energy policy, bioenergy is put in critical positions, and formulated corresponding research and development plan.In June, 2003, " international renewable energy source meeting " proposes, and enlarging renewable energy resources supply has been inexorable trend, and the whole world will speed up from the transition of fossil energy epoch to the renewable energy source epoch.
Biofuel is one of main recyclable organism energy.Compare with mineral diesel, biofuel has plurality of advantages: 1. environmental protection characteristic is good, and sulphur content is low, makes the quantity discharged of sulfurous gas and sulfide reduce; Do not contain the aromatic series alkane that environment is polluted, make waste gas toxicity significantly alleviate; The oxygen level height, the discharging of carbonic acid gas and carbon monoxide reduces when making burning, helps to alleviate Greenhouse effect; The burning carbon residue is low, and promptly finely ground particles content is low in the waste gas; The biological degradability height.2. the cryogenic engine startability is better, and additive-free cold filter clogging temperature reaches-20 ℃.3. lubricity is more excellent, helps prolonging engine work-ing life.4. flash-point height, security is better, transportation, storage, easy to use.5. cetane value height, incendivity is good.6. recyclability can guarantee that its supply is exhausted never.Therefore, biofuel is a kind of favorable substitutes of mineral diesel as renewable environment amenable environment-friendly type fuel energy.
Production of biodiesel and be applied in the history of external existing more than ten years, Technology is quite ripe, and industrial scale constantly enlarges.The U.S. is one of development bioenergy country early, and biofuel just begins commercial applications in the nineties in 20th century, and existing yearly capacity reaches more than 1,000,000 tons.2002, the USDOE and the Ministry of Agriculture unite and have proposed " biomass technological line figure " policy report, this report has been worked out the developing goal of the year two thousand twenty U.S. bioenergy: bio-fuel-oil replaces 10% of national fuel oil consumption, replace national petrochemical material and make 25% of material, reduce the carbon emission amount that is equivalent to 7,000 ten thousand automobiles, increase income 200 hundred million dollar for the peasant every year.EU member country is that the biofuel industry of main production raw material has obtained very fast development with the Semen Brassicae campestris.At present, Germany has 8 families of production of biodiesel producer, and yearly capacity is 250,000 tons, and there are 7 families in France, yearly capacity is 400,000 tons, and there are 9 families in Italy, and yearly capacity is 330,000 tons, and there are 3 families in Austria, yearly capacity is 5.5 ten thousand tons, and there are 2 families in Belgium, and yearly capacity is 240,000 tons.EU Committee proposes 20% of the year two thousand twenty transport fuel and will substitute with biofuels such as biofuel and alcohol fuels.Japan has worked out " sunlight program " of development bioenergy, and its biofuel yearly capacity has reached 400,000 tons.In addition, countries such as Thailand, Korea S, Philippines, India, Bulgaria, South Africa have also built up or have built the biofuel factory of oneself.
The existing certain basis of China's biofuel industry, Hainan just and, several companies such as the ancient China fir in Sichuan and Fujian brilliance have formed annual 50000 tons production of biodiesel ability, its product leading indicator is in varying degrees near the foreign technology standard.Aspect production technique,, mainly be to adopt traditional chemical method with external the same.At present, China has developed and has had independent intellectual property right and world-class high pressure alcoholysis production biodiesel technology and grasped the Production by Enzymes biodiesel technology.The Production by Enzymes biodiesel technology is considered to be expected in the recent period the environment amenable new technology of substituted chemistry method, has now entered the interim test stage.
The raw material that is used for production of biodiesel mainly contains Vegetable oil lipoprotein, animal grease and discarded wet goods.The biofuel large-scale production of many countries all is that the advantage oil crops product with the locality is a raw material, is rapeseed oil as Europe, and the U.S. is soybean oil, and South East Asia is the palm wet goods.At present, the subject matter of production of biodiesel is that cost is higher, and this has become the bottleneck place of restriction biofuel industry development.It is external because government has taked policies and measures such as deductions and exemptions of tax, price subsidy, nursery finance, make the biofuel industry that development faster be arranged, and the domestic policy favour of still not having this respect so far, this has restricted the expansion of China's biofuel industry to a certain extent.Except country launches preferential policies, reduces the starting material production cost, further improves production of biodiesel technology etc., produce and separate high value added product related with biodiesel manufacture, the huge market demand, the overall economic efficiency that improves the biofuel industrial chain is to break an effective way of above-mentioned bottleneck.
Rapeseed oil is one of main raw material of production biofuel, common rapeseed oil adopts chemical process to prepare biofuel, promptly utilize low-carbon alcohol such as rapeseed oil and methyl alcohol or ethanol under acidity or basic catalyst and 230～250 ℃ of conditions of high temperature, to carry out transesterification, generate corresponding fatty acid methyl ester or ethyl ester, topmost problem is that production cost is higher.Calculate more than 5000 yuan/ton by present rapeseed oil price, the preparation cost of biofuel surpasses 6000 yuan/ton, far above the price of about 3900 yuan/ton of mineral diesel.On the other hand, the mineral diesel molecule generally is made up of the carbochain of 15 carbon, preparation is during biofuel, long in the rapeseed oil, in, existence can have influence on the quality of biofuel short chain fatty acid the time, so normally utilize high oleic rapeseed oil production biofuel in the world.
Summary of the invention
The purpose of this invention is to provide a kind of is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, can effectively improve the utility value of high erucic acid rapeseed oil, and can obtain the biofuel of excellent property.
The technical solution used in the present invention is as follows:
With the high erucic acid rapeseed oil is the application of feedstock production biofuel and methyl erucate, it is characterized in that with the high erucic acid rapeseed oil being that raw material obtains biofuel and methyl erucate through transesterify with separating.
Described high erucic acid rapeseed oil is the high erucic acid rapeseed oil of oleaginousness 35%～60%, content of erucic acid 30%～66%.
High erucic acid rapeseed oil and methyl alcohol carry out transesterification reaction under catalyst action, obtain the transesterify mix products, and the transesterify mix products is isolated the glycerine phase through separator, and remaining thing mixed methyl aliphatic ester rectifying separation obtains biofuel and methyl erucate.
Described transesterification reaction is that the high erucic acid rapeseed oil of preheating, methyl alcohol are carried out the continuous ester interchange reaction under the effect of catalyzer potassium hydroxide, ester exchange offspring after the complete reaction is isolated glycerine phase after washing through separator, remove residual catalyzer, dissolving soap and glycerine, obtain mixed methyl aliphatic ester, mixed methyl aliphatic ester obtains biofuel and methyl erucate through the rectifying tower distillation.
Another kind of is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that high erucic acid rapeseed oil and methyl alcohol carry out transesterification reaction under catalyst action, obtain the transesterify mix products, the transesterify mix products is isolated the glycerine phase through separator, and remaining thing mixed methyl aliphatic ester obtains biofuel and methyl erucate through rectifying and extracting and separating.
Described transesterification reaction is the high erucic acid rapeseed oil with preheating, methyl alcohol carries out the continuous ester interchange reaction under the effect of catalyzer potassium hydroxide, ester exchange offspring after the complete reaction is isolated glycerine phase after washing through separator, remove residual catalyzer, dissolving soap and glycerine, obtain mixed methyl aliphatic ester, mixed methyl aliphatic ester is through the low temperature fractionation column distillation, distill out the lower boiling fatty acid methyl ester that contains C16～C18, part lower boiling fatty acid methyl ester refluxes, part lower boiling fatty acid methyl ester is as product, kettle base solution distills through the high temperature rectifying tower, the high boiling point fatty acid methyl ester cut that contains C20～C22 separates with the acetonitrile extracting mixed extractant through hexane and obtains methyl erucate and arachidonic acid methyl esters, and arachidonic acid methyl esters and above-mentioned part lower boiling fatty acid methyl ester product mix as biofuel.
The distillation condition of described low-temperature fractionating tower is pressure 1.3kPa, 160 ℃ of temperature; The distillation condition of described high temperature rectifying tower is pressure 1.3kPpa, 260 ℃ of temperature.
With the high erucic acid rapeseed oil is the method for feedstock production biofuel and methyl erucate, it is characterized in that high erucic acid rapeseed oil with preheating, methyl alcohol carries out the continuous ester interchange reaction under the effect of catalyzer potassium hydroxide, ester exchange offspring after the complete reaction is isolated glycerine phase after washing through separator, remove residual catalyzer, dissolving soap and glycerine, obtain mixed methyl aliphatic ester, mixed methyl aliphatic ester is through the low temperature fractionation column distillation, distill out the lower boiling fatty acid methyl ester that contains C16～C18, part lower boiling fatty acid methyl ester refluxes, part lower boiling fatty acid methyl ester is as the biofuel product, kettle base solution distills through the high temperature rectifying tower, the high boiling point fatty acid methyl ester cut that contains C20～C22 separates with the acetonitrile extracting mixed extractant through hexane, and kettle base solution returns ester exchange process and carries out transesterification reaction.High boiling point fatty acid methyl ester extracting and separating obtains methyl erucate and arachidonic acid methyl esters, and arachidonic acid methyl esters and above-mentioned part lower boiling fatty acid methyl ester product mix as biofuel.
The content of erucic acid of general high erucic acid rape seed accounts for about 50% of contained grease total amount, and Semen Brassicae campestris contains the grease of 40% weight percentage of having an appointment, and wherein to account for greasy theoretical maximum be 66.6% to content of erucic acid.The general international standard of high erucic acid content is 55%, and No. 13, the continuous oil of the industrial cabbage type high erucic acid rape that Sichuan Province Minayang Inst. of Agricultural Sciences cultivates has oil length height, content of erucic acid up to 55.8% advantage, has realized large-scale planting.On August 20th, 2003, disclosed Chinese patent application 02102971.7 provided the production method as the transgene rape of sinapic acid bioreactor, and this method can access the rape variety of floorboard with high oil content, high erucic acid content.
With the high erucic acid rapeseed oil is raw material, in the preparation biofuel, obtain methyl erucate, methyl erucate is a raw material of producing added value is very high, market demand is very big erucic acid derived product such as erucicamide, mountain Yu acid, tridecane diprotic acid, n-nonanoic acid etc., can greatly improve the overall economic efficiency of biofuel industrial chain.Leading national inventing patent and the multinational international monopoly of also having applied for of China's floorboard with high oil content and high erucic acid content rapeseed breeding technological world, wherein the breeding for high oil content technology has obtained the national inventing patent mandate, and has bred oleaginousness more than 53%, the two high rape lines of the transgenosis of content of erucic acid more than 60%.
With the high erucic acid rapeseed oil is the application of feedstock production biofuel and methyl erucate, high erucic acid rapeseed oil carries out transesterification reaction with methyl alcohol earlier, fatty acid methyl ester after the transesterification reaction adopts rectifying or rectifying to separate with extraction phase bonded method, obtains biofuel and methyl erucate.Methyl erucate can be used for producing the erucic acid derived product that a series of added values are very high, market demand is very big as a kind of important chemical material, as erucicamide, mountain Yu acid, tridecanyldicarboxylic acid, n-nonanoic acid etc.
Application of the present invention can make the application benefit of high erucic acid rapeseed oil improve, calculate by 50% with content of erucic acid, 1 ton of high erucic acid rapeseed oil of every processing, but the methyl erucate of biofuel that output is about 500 kilograms and almost same quantity, sales revenue is respectively 2000 yuan and 8000 yuan, adds up to 10000 yuan, do not consider simultaneously the income of byproduct glycerine, enterprise not only can not lose, and has more profit on the contrary, and overall economic efficiency improves 150%.According to existing production of biodiesel state of the art, rapeseed oil per ton can prepare nearly 1 ton of biofuel, and the rapeseed oil price is 5000 a yuan/ton hour, and the production of biodiesel cost will be above 6000 yuan/ton.If biofuel is by 4000 yuan of/ton sale, then 1 ton of common rapeseed oil of the every processing of enterprise promptly prepares 1 ton of biofuel, will lose more than 2000 yuan.
Beneficial effect of the present invention is, is that raw material obtains biofuel and methyl erucate through transesterify with separating with the high erucic acid rapeseed oil, separates owing to will grow the erucic acid of carbochain, and the quality of the biofuel of gained is improved, and its cetane value is greater than 55.Simultaneously, with the high erucic acid rapeseed oil is feedstock production biofuel and methyl erucate, because the methyl erucate that obtains can be used as the raw material of the very high erucic acid derivative of preparation added value,, increase the comprehensive utilization benefit of high erucic acid rapeseed oil so can reduce the production cost of biofuel relatively.The present invention can be used for the application of high erucic acid rapeseed oil with various prepared biofuel and methyl erucate.
Description of drawings
The present invention is further elaborated below in conjunction with drawings and Examples.
Fig. 1 is the process flow diagram of high erucic acid rapeseed oil and methyl alcohol transesterification reaction in the embodiment of the invention.
Fig. 2 adopts rectifying and extraction phase bonded method to separate the process flow diagram of methyl erucate from fatty acid methyl ester in the embodiment of the invention.
Embodiment
The present invention is further illustrated below in conjunction with embodiment, and the percentage ratio among each embodiment is weight percentage except that specifying.
Embodiment 1 raw material: high erucic acid rapeseed oil, methyl alcohol; Equipment: transesterification reactor, rectifying tower, extraction tank.
High erucic acid rapeseed oil and methyl alcohol carry out transesterification reaction in transesterification reactor under the potassium hydroxide catalyst effect, the fatty acid methyl ester that transesterification reaction generates adopts rectifying to separate with extraction phase bonded method, obtains biofuel and methyl erucate.
High erucic acid rapeseed oil adopts Zhejiang to produce " super oily No. 2 " kind high erucic acid rapeseed oil, its every detection index such as following table 1 in the raw material.
Every detection index of table 1 raw material high erucic acid rapeseed oil
| The raw material high erucic acid rapeseed oil | Index |
| Content of erucic acid | 53％ |
| Iodine number (IV) | 97～110 |
| Saponification value (SV) | 168～181 |
| Free fatty acid content | ≤0.3％ |
| Phosphatide | 1.02％～1.20％ |
| Moisture content | ≤0.1％ |
| Impurity | Trace |
Fig. 1 is seen in the technical process of the transesterification reaction of this high erucic acid rapeseed oil, high erucic acid rapeseed oil after the preheating and be transported to reaction in the reactor 2 through pump 1 as the potassium hydroxide of catalyzer, in order to guarantee the complete of transesterification reaction, the reaction product of first transesterify is carried out transesterification reaction once more through knockout tower 3 backs in second reactor 4, product of transesterification reaction adopts the knockout tower 5 of non-stop run, 7,9, separator 10, with reactor 6,8 are separated into fatty acid methyl ester and glycerine mutually, glycerine is transported to container for storing liquid 18 by the knockout tower bottom, fatty acid methyl ester is washed in reactor 8, remove residual catalyzer, dissolving soap and glycerine, and in knockout tower 9 subsequently, separate, fatty acid methyl ester in the container for storing liquid 13 after purified is through non-return valve 15 and interchanger 14, by the first film vaporizer 16 and second thin-film evaporator 17 wherein contained methyl alcohol and the evaporation of dissolving water are separated again, led back in the technology again after methyl alcohol is recyclable and use.Can enter separating technology behind the fatty acid methyl ester process insurance strainer after the purification and carry out separating of biofuel and methyl erucate.
As Fig. 2, under stable operational condition, the mixed methyl aliphatic ester of above-mentioned ester exchange process preparation enters distillation in the low-temperature fractionating tower 19 continuously, 160 ℃ of still liquid temp controls, pressure is 1.3kPa, obtain containing the lower boiling fatty acid methyl ester cut of C16～C18, cut part after condenser 20 condensations refluxes, and another part is directly squeezed into biofuel product groove as biodiesel fuel component with pump 21.The still liquid of low-temperature fractionating tower is squeezed into distillation in the high temperature rectifying tower 22 with pump, 260 ℃ of still liquid temp controls, pressure is 1.3kPa, obtain containing the high boiling point fatty acid methyl ester cut of C20～C22, this high boiling point lipid acid cut mainly is methyl erucate and arachidonic acid methyl esters, a spot of kettle base solution is mainly unreacted glyceryl ester completely in the high temperature rectifying tower, can return the transesterify unit reacts again, high boiling point lipid acid cut refluxes through condenser 23 condensation rear sections, another part is squeezed into extraction tank 24, the mixed extractant that adds hexane and acetonitrile mixes the back standing demix, on, lower floor successively puts into desolventizing groove 25 and removes the methyl erucate that obtains behind the solvent and squeeze into methyl erucate product groove, and the arachidonic acid methyl esters that obtains is squeezed into biofuel product groove and mixed as biofuel with the lower boiling fatty acid methyl ester.The purity of methyl erucate is about 97%, and the purity of biofuel is about 99%.
As calculated, this high erucic acid rapeseed oil adopts above-mentioned application method, and every 1000kg high erucic acid rapeseed oil raw material and 102kg methyl alcohol carry out transesterification reaction, at last can output biofuel 500kg, and methyl erucate 500kg, glycerine 102kg.Every quality index of this biofuel sees Table 2 with the data that German biofuel standard DIN51606:1997 compares.
The biofuel that table 2 is produced and the quality index of German biofuel standard are relatively
| Sequence number | Quality index | Embodiment | Germany DIN51606:1997 |
| 1 | Cetane value | ≥55 | ≥49 |
| 2 | Copper corrosion | 1 grade | 1 grade |
| 3 | Acid number mg KOH/g | ≤0.4 | ≤0.5 |
| 4 | Glycerine total amount % (m/m) | ≤0.02 | ≤0.25 |
| 5 | Moisture content % (m/m) | ≤0.02 | ≤0.03 |
| 6 | Ash oontent % (m/m) | ≤0.01 | ≤0.03 |
| 7 | Proportion in the time of 15 ℃ (g/ml) | 0.880～0.900 | 0.875～0.900 |
| 8 | Sulphur content % (m/m) | ≤0.01 | ≤0.01 |
| 9 | Viscosity mm in the time of 40 ℃ 2/s | 3.5～4.5 | 3.5～5.0 |
Can find out that from last table the main performance index of the biofuel of present embodiment preparation has has all met or exceeded the main performance index of German DIN51606:1997 biofuel.
Embodiment 2 raw materials: high erucic acid rapeseed oil, methyl alcohol; Equipment: transesterification reactor, rectifying tower.High erucic acid rapeseed oil and methyl alcohol carry out transesterification reaction in transesterification reactor under the potassium hydroxide catalyst effect, the fatty acid methyl ester that transesterification reaction generates adopts rectificating method to separate, and obtains biofuel and methyl erucate.
Adopt the high erucic acid rapeseed oil raw material identical with embodiment 1, the ester exchange process of high erucic acid rapeseed oil is with embodiment 1, just the mixed methyl aliphatic ester through transesterification reaction only passes through rectifying separation technology, methyl erucate is separated with biofuel, the methyl erucate that obtains and the purity of biofuel can reach more than 93% and 95% respectively, every quality index of biofuel wherein all near or reach the main performance index of German DIN51606:1997 biofuel, it is very high that the methyl erucate product is produced a series of added values after can be purified, the erucic acid derived product that market demand is very big.
Claims (8)
1. be the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that with the high erucic acid rapeseed oil being that raw material obtains biofuel and methyl erucate through transesterify with separating.
2. according to claim 1 is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that described high erucic acid rapeseed oil is the high erucic acid rapeseed oil of oleaginousness 35%～60%, content of erucic acid 30%～66%.
3. according to claim 1 is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that high erucic acid rapeseed oil and methyl alcohol carry out transesterification reaction under catalyst action, obtain the transesterify mix products, the transesterify mix products is isolated the glycerine phase through separator, and remaining thing mixed methyl aliphatic ester rectifying separation obtains biofuel and methyl erucate.
4. according to claim 3 is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that described transesterification reaction is that high erucic acid rapeseed oil, methyl alcohol with preheating carries out the continuous ester interchange reaction under the effect of catalyzer potassium hydroxide, ester exchange offspring after the complete reaction is isolated glycerine phase after washing through separator, remove residual catalyzer, dissolving soap and glycerine, obtain mixed methyl aliphatic ester, mixed methyl aliphatic ester obtains biofuel and methyl erucate through the rectifying tower distillation.
5. according to claim 1 is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that high erucic acid rapeseed oil and methyl alcohol carry out transesterification reaction under catalyst action, obtain the transesterify mix products, the transesterify mix products is isolated the glycerine phase through separator, and remaining thing mixed methyl aliphatic ester obtains biofuel and methyl erucate through rectifying and extracting and separating.
6. according to claim 5 is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that described transesterification reaction is the high erucic acid rapeseed oil with preheating, methyl alcohol carries out the continuous ester interchange reaction under the effect of catalyzer potassium hydroxide, ester exchange offspring after the complete reaction is isolated glycerine phase after washing through separator, remove residual catalyzer, dissolving soap and glycerine, obtain mixed methyl aliphatic ester, mixed methyl aliphatic ester is through the low temperature fractionation column distillation, distill out the lower boiling fatty acid methyl ester that contains C16～C18, part lower boiling fatty acid methyl ester refluxes, part lower boiling fatty acid methyl ester is as product, kettle base solution distills through the high temperature rectifying tower, the high boiling point fatty acid methyl ester cut that contains C20～C22 separates with the acetonitrile extracting mixed extractant through hexane and obtains methyl erucate and arachidonic acid methyl esters, and arachidonic acid methyl esters and above-mentioned part lower boiling fatty acid methyl ester product mix as biofuel.
7, according to claim 6 is the application of feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, and the distillation condition that it is characterized in that described low-temperature fractionating tower is pressure 1.3kPa, 160 ℃ of temperature; The distillation condition of described high temperature rectifying tower is pressure 1.3kPa, 260 ℃ of temperature.
8. claim 1 is described is the method for feedstock production biofuel and methyl erucate with the high erucic acid rapeseed oil, it is characterized in that high erucic acid rapeseed oil with preheating, methyl alcohol carries out the continuous ester interchange reaction under the effect of catalyzer potassium hydroxide, ester exchange offspring after the complete reaction is isolated glycerine phase after washing through separator, remove residual catalyzer, dissolving soap and glycerine, obtain mixed methyl aliphatic ester, mixed methyl aliphatic ester is through the low temperature fractionation column distillation, distill out the lower boiling fatty acid methyl ester that contains C16～C18, part lower boiling fatty acid methyl ester refluxes, part lower boiling fatty acid methyl ester is as the biofuel product, kettle base solution distills through the high temperature rectifying tower, the high boiling point fatty acid methyl ester cut that contains C20～C22 separates with the acetonitrile extracting mixed extractant through hexane, and kettle base solution returns ester exchange process and carries out transesterification reaction.High boiling point fatty acid methyl ester extracting and separating obtains methyl erucate and arachidonic acid methyl esters, and arachidonic acid methyl esters and above-mentioned part lower boiling fatty acid methyl ester product mix as biofuel.
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| CN103320234A (en) * | 2013-05-29 | 2013-09-25 | 金骄特种新材料（集团）有限公司 | High heating value biodiesel and preparation method thereof |
| CN103421614A (en) * | 2012-05-14 | 2013-12-04 | 陕西德融新能源股份有限公司 | Preparation technology of biodiesel produced from refined grease |
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| SE9001245L (en) * | 1990-04-05 | 1991-10-06 | Carl Johan Lindquist | FOERESTRINGSPROCESS |
| JP4854889B2 (en) * | 2001-09-21 | 2012-01-18 | 株式会社レボインターナショナル | Method for producing diesel fuel oil from waste cooking oil |
| ES2194598B2 (en) * | 2002-01-25 | 2006-04-01 | Universidad Complutense De Madrid | PROCEDURE FOR TRANSESTERIFICATION OF TRIGLYCERIDS WITH LOW MOLECULAR MONOALCOHOLES FOR OBTAINING LIGHT ALCOHOL ESTERS USING MIXED CATALYSTS. |
| WO2005052103A1 (en) * | 2003-11-24 | 2005-06-09 | Council Of Scientific And Industrial Research | An improved process for the preparation of bio-diesel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103421614A (en) * | 2012-05-14 | 2013-12-04 | 陕西德融新能源股份有限公司 | Preparation technology of biodiesel produced from refined grease |
| CN103421614B (en) * | 2012-05-14 | 2016-02-03 | 陕西德融新能源股份有限公司 | The preparation technology of a kind of polished fat production biofuel |
| CN103320234A (en) * | 2013-05-29 | 2013-09-25 | 金骄特种新材料（集团）有限公司 | High heating value biodiesel and preparation method thereof |
| CN103320234B (en) * | 2013-05-29 | 2014-09-03 | 金骄特种新材料（集团）有限公司 | High heating value biodiesel and preparation method thereof |
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