CN105642266A - Composite solid base catalyst for preparing biodiesel by glycerol-free method and preparation method thereof - Google Patents
Composite solid base catalyst for preparing biodiesel by glycerol-free method and preparation method thereof Download PDFInfo
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- CN105642266A CN105642266A CN201410640235.7A CN201410640235A CN105642266A CN 105642266 A CN105642266 A CN 105642266A CN 201410640235 A CN201410640235 A CN 201410640235A CN 105642266 A CN105642266 A CN 105642266A
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- composite solid
- biofuel
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- carbonate
- alkaline catalysts
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- 239000003054 catalyst Substances 0.000 title claims abstract description 49
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 239000007787 solid Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000003225 biodiesel Substances 0.000 title abstract description 10
- 159000000007 calcium salts Chemical class 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 29
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 27
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 94
- 239000002551 biofuel Substances 0.000 claims description 49
- 235000011187 glycerol Nutrition 0.000 claims description 45
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 33
- 239000004519 grease Substances 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 8
- CXHHBNMLPJOKQD-UHFFFAOYSA-M methyl carbonate Chemical compound COC([O-])=O CXHHBNMLPJOKQD-UHFFFAOYSA-M 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 8
- 238000010025 steaming Methods 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 235000015320 potassium carbonate Nutrition 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 4
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000292 calcium oxide Substances 0.000 abstract description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000009466 transformation Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 125000005908 glyceryl ester group Chemical group 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical group CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004032 superbase Substances 0.000 description 1
- 150000007525 superbases Chemical class 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
The invention relates to a composite solid base catalyst for preparing biodiesel by a glycerol-free method and a preparation method thereof. The preparation method comprises the following steps: 1) dissolving calcium salt in a solvent, wherein the mass of the solvent is 5-20 times of that of the calcium salt; 2) adding carbonate into the solution to obtain a mixture, wherein the mass of the carbonate is 5-20 times that of the calcium salt; 3) evaporating the solvent in the mixture to dryness; 4) heating the mixture after evaporation to dryness at 800-1000 ℃ for 4-10 hours, and cooling to room temperature to obtain the composite solid base catalyst for preparing the biodiesel by the glycerol-free method. The invention loads calcium oxide on carbonate in an indirect manner to prepare the composite solid base catalyst of super-strong base and weak base, and the composite solid base catalyst is applied to the field of biodiesel preparation, thereby being beneficial to upgrading the biodiesel preparation process and improving the economic benefit of the biodiesel industry.
Description
Technical field
The present invention relates to and a kind of prepare the composite solid alkaline catalysts of biofuel and its preparation method and application without glycerine method, belong to technical field of biodiesel preparation.
Background technology
In recent years; energy scarcity problem is increasingly severe, international oil price rising all the way, impels countries in the world actively to research and develop renewable substitute energy; biofuel is as a kind of extremely promising bioenergy, and its large-scale production receives the concern of academia and industrial community.
But, often producing 9 tons of biofuel just has the thick product of the glycerine of 1 ton to generate, and the output adding tradition glycerine (natural glycerin, ferment glycerin, synthetic glycerine) is inherently bigger, causes the market maintenance of glycerine to be far longer than demand. It is estimated that only glycerine market maintenance in 2010 has just exceeded 1.2 hundred ten thousand tons, therefore how the low price raw glycerine produced in production of biodiesel process is carried out the problem that effective comprehensive utilization has become the sternness of biofuel industry and key.
Biofuel must meet the requirement of relevant criterion as mediation raw material before introducing to the market, wherein the specification of biofuel has been made corresponding regulation by ASTMD6751 and EU criteria council standard EN 14214, limits the amount of free glycerol and the amount of glyceryl ester in biofuel. Free glycerol is the by product in production of biodiesel, and direactive glyceride, two glyceryl ester, Witepsol W-S 55 are the pollutents in biofuel, and the free glycerol of high-content and glyceryl ester can cause the increase of engine deposits.
Two ester-interchange method is biodiesel oil preparing process emerging in recent years, the method adopts natural fats and oils and methyl esterification reagent (such as methylcarbonate) reaction, it is carbonic ether by transformation of glycerol while preparation biofuel, both the problem of glycerine remnants in traditional biological diesel production can have been solved, the carbonic acid glyceride of high added value can be obtained again simultaneously, make multiple step height such as the preparation of biofuel, the separation of by product integrated, not only be conducive to the upgrading of biofuel preparation technology, and improve the economic benefit of biofuel industry.
Although the at present existing report adopting natural fats and oils and dimethyl carbonate synchronously to prepare biofuel and carbonic acid glyceride, but it exists that the reaction times is longer, raw material and product very easily saponification, ultimate yield is not high, saponified is difficult to shortcomings such as being separated.
Summary of the invention
For solving the problems of the technologies described above, it is an object of the invention to provide a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, this catalyzer has higher activity in the reaction preparing biofuel without glycerine method, and can reduce saponification problems, simplifies separable programming.
The present invention also aims to provide the preparation method and application of the above-mentioned composite solid alkaline catalysts preparing biofuel without glycerine method.
For achieving the above object, the present invention provides the preparation method of a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, and it comprises the following steps:
The first step, is dissolved in solvent by calcium salt, and the quality of solvent is 5-20 times of calcium salt quality;
2nd step, adds carbonate in above-mentioned solution, obtains mixture, and the quality of carbonate is 5-20 times of calcium salt quality;
3rd step, steams dry by the solvent in said mixture;
4th step, heats steaming the mixture after doing 4-10 hour at 800-1000 DEG C, is cooled to room temperature, obtains preparing without glycerine method the composite solid alkaline catalysts of biofuel.
In above-mentioned preparation method, it may be preferred that described calcium salt is calcium formiate, lime acetate or nitrocalcite, and its purity is preferably at least chemical pure.
In above-mentioned preparation method, it may be preferred that described solvent is methyl alcohol or ethanol, and its purity is preferably at least chemical pure.
In above-mentioned preparation method, it may be preferred that described carbonate is sodium carbonate, salt of wormwood or cesium carbonate, and its purity is preferably at least chemical pure.
Present invention also offers a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, this catalyzer is obtained by above-mentioned preparation method.
Present invention also offers the application of the above-mentioned composite solid alkaline catalysts preparing biofuel without glycerine method in preparation biofuel.
In above-mentioned application, it may be preferred that it comprises the following steps:
By grease, methyl alcohol, methylcarbonate mixing, add the above-mentioned composite solid alkaline catalysts preparing biofuel without glycerine method and react, wherein: the amount of substance of described grease, methyl alcohol, methylcarbonate is than being 1:5-10:1-3.
In above-mentioned application, it may be preferred that the consumption of described composite solid alkaline catalysts is the 1-15% of the amount of lipid phase.
In above-mentioned application, it may be preferred that described grease, methyl alcohol, methylcarbonate and composite solid alkaline catalysts under reflux conditions react, the reaction times is 1-6 hour, it is more preferable to be 2-6 hour.
Calcium oxide is prepared the composite solid alkaline catalysts of super base and weak base by the present invention by mode load indirectly on carbonate; It is applied to prepare among the grease-methyl alcohol-dimethyl carbonate system of biofuel, grease, methyl alcohol and methylcarbonate, fast reaction speed can be activated on the one hand, it is to increase reaction yield simultaneously; Calcium oxide is carried on the surface of salt of wormwood/sodium carbonate on the other hand, and good dispersity, utilization ratio height, also enhances the stability of calcium oxide. Such catalyst grease-methyl alcohol-dimethyl carbonate, synchronous preparation biofuel and carbonic acid glyceride, the transformation efficiency of grease can reach more than 95%.
Embodiment
In order to the technology feature to the present invention, object and useful effect have understanding clearly, the existing technical scheme to the present invention carries out following detailed explanation, but can not be interpreted as to the present invention can the restriction of practical range.
Embodiment 1
Present embodiments provide the preparation method of a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, comprise the following steps:
The first step, is dissolved in the solvent of 5 times of quality by calcium salt, stirs and makes it dissolve, and calcium salt is the calcium formiate of chemical pure, and solvent is the methyl alcohol of chemical pure;
2nd step, adds carbonate in above-mentioned solution while stirring, obtains mixture, and the quality of carbonate is 5 times of calcium salt quality, and carbonate is the salt of wormwood of chemical pure;
3rd step, steams dry by the solvent in said mixture;
4th step, is placed in retort furnace by steaming the mixture after doing, heats 10 hours, be cooled to the composite solid alkaline catalysts that namely room temperature obtains preparing without glycerine method biofuel at 800 DEG C.
When this composite solid alkaline catalysts is applied to grease-methyl alcohol-dimethyl carbonate system, in system, the amount of substance of grease-methyl alcohol-methylcarbonate is than being 1:5:1, the consumption of composite solid alkaline catalysts is the 5% of the amount of substance of grease, reaction system under reflux conditions reacts 5 hours, obtain biofuel, the transformation efficiency of grease reaches 96%, and glycerine is synchronously converted into carbonic acid glyceride.
Embodiment 2
Present embodiments provide the preparation method of a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, comprise the following steps:
The first step, is dissolved in the solvent of 8 times of quality by calcium salt, stirs and makes it dissolve, and calcium salt is the lime acetate of chemical pure, and solvent is the ethanol of chemical pure;
2nd step, adds carbonate in above-mentioned solution while stirring, obtains mixture, and the quality of carbonate is 10 times of calcium salt quality, and carbonate is the sodium carbonate of chemical pure;
3rd step, steams dry by the solvent in said mixture;
4th step, is placed in retort furnace by steaming the mixture after doing, heats 5 hours, be cooled to the composite solid alkaline catalysts that namely room temperature obtains preparing without glycerine method biofuel at 850 DEG C.
When this composite solid alkaline catalysts is applied to grease-methyl alcohol-dimethyl carbonate system, in system, the amount of substance of grease-methyl alcohol-methylcarbonate is than being 1:6:1, the consumption of composite solid alkaline catalysts is the 6% of the amount of substance of grease, reaction system under reflux conditions reacts 5 hours, obtain biofuel, the transformation efficiency of grease reaches 97%, and glycerine is synchronously converted into carbonic acid glyceride.
Embodiment 3
Present embodiments provide the preparation method of a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, comprise the following steps:
The first step, is dissolved in the solvent of 10 times of quality by calcium salt, stirs and makes it dissolve, and calcium salt is the nitrocalcite of chemical pure, and solvent is the ethanol of analytical pure;
2nd step, adds carbonate in above-mentioned solution while stirring, obtains mixture, and the quality of carbonate is 10 times of calcium salt quality, and carbonate is the cesium carbonate of chemical pure;
3rd step, steams dry by the solvent in said mixture;
4th step, is placed in retort furnace by steaming the mixture after doing, heats 5 hours, be cooled to the composite solid alkaline catalysts that namely room temperature obtains preparing without glycerine method biofuel at 900 DEG C.
When this composite solid alkaline catalysts is applied to grease-methyl alcohol-dimethyl carbonate system, in system, the amount of substance of grease-methyl alcohol-methylcarbonate is than being 1:8:2, the consumption of composite solid alkaline catalysts is the 5% of the amount of substance of grease, reaction system under reflux conditions reacts 3 hours, obtain biofuel, the transformation efficiency of grease reaches 96%, and glycerine is synchronously converted into carbonic acid glyceride.
Embodiment 4
Present embodiments provide the preparation method of a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, comprise the following steps:
The first step, is dissolved in the solvent of 15 times of quality by calcium salt, stirs and makes it dissolve, and calcium salt is the calcium formiate of analytical pure, and solvent is the ethanol of chemical pure;
2nd step, adds carbonate in above-mentioned solution while stirring, obtains mixture, and the quality of carbonate is 20 times of calcium salt quality, and carbonate is the cesium carbonate of analytical pure;
3rd step, steams dry by the solvent in said mixture;
4th step, is placed in retort furnace by steaming the mixture after doing, heats 6 hours, be cooled to the composite solid alkaline catalysts that namely room temperature obtains preparing without glycerine method biofuel at 900 DEG C.
When this composite solid alkaline catalysts is applied to grease-methyl alcohol-dimethyl carbonate system, in system, the amount of substance of grease-methyl alcohol-methylcarbonate is than being 1:9:3, the consumption of composite solid alkaline catalysts is the 10% of the amount of substance of grease, reaction system under reflux conditions reacts 2 hours, obtain biofuel, the transformation efficiency of grease reaches 98%, and glycerine is synchronously converted into carbonic acid glyceride.
Embodiment 5
Present embodiments provide the preparation method of a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, comprise the following steps:
The first step, is dissolved in the solvent of 20 times of quality by calcium salt, stirs and makes it dissolve, and calcium salt is the nitrocalcite of chemical pure, and solvent is the methyl alcohol of chemical pure;
2nd step, adds carbonate in above-mentioned solution while stirring, obtains mixture, and the quality of carbonate is 20 times of calcium salt quality, and carbonate is the salt of wormwood of chemical pure;
3rd step, steams dry by the solvent in said mixture;
4th step, is placed in retort furnace by steaming the mixture after doing, heats 6 hours, be cooled to the composite solid alkaline catalysts that namely room temperature obtains preparing without glycerine method biofuel at 850 DEG C.
When this composite solid alkaline catalysts is applied to grease-methyl alcohol-dimethyl carbonate system, in system, the amount of substance of grease-methyl alcohol-methylcarbonate is than being 1:10:1, the consumption of composite solid alkaline catalysts is the 15% of the amount of substance of grease, reaction system under reflux conditions reacts 2 hours, obtain biofuel, the transformation efficiency of grease reaches 98%, and glycerine is synchronously converted into carbonic acid glyceride.
Embodiment 6
Present embodiments provide the preparation method of a kind of composite solid alkaline catalysts preparing biofuel without glycerine method, comprise the following steps:
The first step, is dissolved in the solvent of 10 times of quality by calcium salt, stirs and makes it dissolve, and calcium salt is the calcium formiate of analytical pure, and solvent is the ethanol of analytical pure;
2nd step, adds carbonate in above-mentioned solution while stirring, obtains mixture, and the quality of carbonate is 15 times of calcium salt quality, and carbonate is the salt of wormwood of analytical pure;
3rd step, steams dry by the solvent in said mixture;
4th step, is placed in retort furnace by steaming the mixture after doing, heats 5 hours, be cooled to the composite solid alkaline catalysts that namely room temperature obtains preparing without glycerine method biofuel at 900 DEG C.
When this composite solid alkaline catalysts is applied to grease-methyl alcohol-dimethyl carbonate system, in system, the amount of substance of grease-methyl alcohol-methylcarbonate is than being 1:8:1.1, the consumption of composite solid alkaline catalysts is the 15% of the amount of substance of grease, reaction system under reflux conditions reacts 1 hour, obtain biofuel, the transformation efficiency of grease reaches 98%, and glycerine is synchronously converted into carbonic acid glyceride.
Claims (9)
1. prepare a preparation method for the composite solid alkaline catalysts of biofuel without glycerine method, it comprises the following steps:
The first step, is dissolved in solvent by calcium salt, and the quality of solvent is 5-20 times of calcium salt quality;
2nd step, adds carbonate in above-mentioned solution, obtains mixture, and the quality of carbonate is 5-20 times of calcium salt quality;
3rd step, steams dry by the solvent in said mixture;
4th step, heats steaming the mixture after doing 4-10 hour at 800-1000 DEG C, is cooled to room temperature, obtains preparing without glycerine method the composite solid alkaline catalysts of biofuel.
2. preparation method according to claim 1, wherein: described calcium salt is calcium formiate, lime acetate or nitrocalcite, and its purity is preferably at least chemical pure.
3. preparation method according to claim 1 and 2, wherein: described solvent is methyl alcohol or ethanol, and its purity is preferably at least chemical pure.
4. preparation method according to any one of claim 1 to 3, wherein: described carbonate is sodium carbonate, salt of wormwood or cesium carbonate, and its purity is preferably at least chemical pure.
5. prepare a composite solid alkaline catalysts for biofuel without glycerine method, it is prepared by the method according to any one of Claims 1-4.
6. the application of the composite solid alkaline catalysts preparing biofuel without glycerine method according to claim 5 in preparation biofuel.
7. application according to claim 6, it comprises the following steps:
By grease, methyl alcohol, methylcarbonate mixing, add the composite solid alkaline catalysts preparing biofuel without glycerine method according to claim 5 and react, wherein: the amount of substance of described grease, methyl alcohol, methylcarbonate is than being 1:5-10:1-3.
8. application according to claim 6 or 7, wherein: the consumption of described composite solid alkaline catalysts is the 1-15% of the amount of substance of grease.
9. application according to any one of claim 6 to 8, wherein: described grease, methyl alcohol, methylcarbonate and composite solid alkaline catalysts under reflux conditions react, the reaction times is 1-6 hour, it is preferable that 2-6 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640235.7A CN105642266B (en) | 2014-11-13 | 2014-11-13 | Composite solid base catalyst for preparing biodiesel by glycerol-free method and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640235.7A CN105642266B (en) | 2014-11-13 | 2014-11-13 | Composite solid base catalyst for preparing biodiesel by glycerol-free method and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN105642266A true CN105642266A (en) | 2016-06-08 |
| CN105642266B CN105642266B (en) | 2019-01-18 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531916A (en) * | 2009-04-21 | 2009-09-16 | 合肥工业大学 | Solid alkali catalytic method for preparing biological diesel oil |
| CN102061224A (en) * | 2010-10-11 | 2011-05-18 | 西安石油大学 | Method for preparing biodiesel by catalysis of modified calcium oxide |
| CN103436369A (en) * | 2013-09-04 | 2013-12-11 | 西安石油大学 | Method for synchronously preparing biodiesel and glycerol carbonate under acceleration action of methanol |
-
2014
- 2014-11-13 CN CN201410640235.7A patent/CN105642266B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531916A (en) * | 2009-04-21 | 2009-09-16 | 合肥工业大学 | Solid alkali catalytic method for preparing biological diesel oil |
| CN102061224A (en) * | 2010-10-11 | 2011-05-18 | 西安石油大学 | Method for preparing biodiesel by catalysis of modified calcium oxide |
| CN103436369A (en) * | 2013-09-04 | 2013-12-11 | 西安石油大学 | Method for synchronously preparing biodiesel and glycerol carbonate under acceleration action of methanol |
Non-Patent Citations (1)
| Title |
|---|
| 张秋云等: "纳米K2CO3/CaO催化大豆油制备生物柴油", 《化学工程》 * |
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