CN102676302A - Method and device for preparing biodiesel by oil with high acid value - Google Patents
Method and device for preparing biodiesel by oil with high acid value Download PDFInfo
- Publication number
- CN102676302A CN102676302A CN2012101795331A CN201210179533A CN102676302A CN 102676302 A CN102676302 A CN 102676302A CN 2012101795331 A CN2012101795331 A CN 2012101795331A CN 201210179533 A CN201210179533 A CN 201210179533A CN 102676302 A CN102676302 A CN 102676302A
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- acid
- oil
- diesel fuel
- value grease
- methyl alcohol
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- 239000002253 acid Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003225 biodiesel Substances 0.000 title abstract description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 157
- 239000012528 membrane Substances 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000005886 esterification reaction Methods 0.000 claims abstract description 19
- 230000032050 esterification Effects 0.000 claims abstract description 17
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 239000004519 grease Substances 0.000 claims description 27
- 239000002551 biofuel Substances 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 21
- 239000002283 diesel fuel Substances 0.000 claims description 19
- 238000011084 recovery Methods 0.000 claims description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- 150000002632 lipids Chemical class 0.000 claims description 14
- 238000004821 distillation Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 230000002378 acidificating effect Effects 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 238000009736 wetting Methods 0.000 claims description 8
- 235000011187 glycerol Nutrition 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000003929 acidic solution Substances 0.000 claims description 5
- 238000009874 alkali refining Methods 0.000 claims description 4
- 239000000344 soap Substances 0.000 claims description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract 2
- 239000003377 acid catalyst Substances 0.000 abstract 1
- 239000012043 crude product Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 235000019387 fatty acid methyl ester Nutrition 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000009466 transformation 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
- Liquid Carbonaceous Fuels (AREA)
- Fats And Perfumes (AREA)
Abstract
The invention relates to a method and device for preparing biodiesel by oil with a high acid value. The method comprises the steps of carrying out acidolysis reaction on the oil with the high acid value and acid solution, then adding methyl alcohol and an acid catalyst in the oil and the acid solution to carry out membrane separation esterification reaction, and finally separating the product and recycling the methyl alcohol, thus obtaining the biodiesel. The device comprises an acidolysis reactor, an oil-water separator, a mixer, a heater, a membrane separation esterification reactor, a metering pump, a buffer tank, a vacuum pump, a methyl alcohol recycling tower and a crude product separator. In the biodiesel preparation process, generated water is timely separated through membrane separation, so that the reaction is rapidly carried out in a positive direction, and the conversion rate of the raw materials is improved; and after the reaction is finished, the catalyst and the methyl alcohol are separated and the catalyst participates in the esterification reaction again, thus the catalyst is recycled and the production cost is saved. According to the invention, the flow is simple, the equipment investment cost is low, the production process is clean, and the environment friendliness is realized.
Description
Technical field
The present invention relates to prepare method of bio-diesel oil and device, particularly a kind of method of preparing biological diesel fuel by high-acid-value grease and device belong to the bioenergy technical field.
Background technology
Biofuel is a kind of good petrifaction diesel substitute, compares with petrifaction diesel, has the good feature of environmental protection, good low-temperature engine starting performance and safety performance, good fuel performance and characteristics such as renewable.75% is raw materials cost in the biodiesel manufacture cost, and the price height is the commercial major obstacle of biofuel alternative fuel, and seeking cheap raw material becomes biofuel and substitute the key that can diesel oil fuel practicability.High-acid value grease atmosphere pollution and environment are often come into the market after handling through simple decolouring, deodorization, depickling by illegal retailer again, owing to contain a large amount of germs and carcinogenic substance, public health are caused very big harm.Yet, these high-acid value greases are used to prepare biofuel, but be the fine resource.If high-acid value grease is used for the production biofuel, both can reduce production costs, protected environment again.
Summary of the invention
For reducing production costs, protect environment, the object of the present invention is to provide a kind of method and apparatus of preparing biological diesel fuel by high-acid-value grease, the present invention realizes through following technical proposal.
A kind of method of preparing biological diesel fuel by high-acid-value grease, following each step of process:
(1) acidolysis reaction: in high-acid value grease, add the acidic solution of high-acid value grease quality 20～25%, 70～80 ℃ of following stirring heating 60～120 minutes, then mixed solution was left standstill 30～60 hours, lower floor's acid solution is used to reclaim glycerine, and the upper strata is a lipid acid;
(2) membrane sepn esterification: the lipid acid that step (1) is obtained is that 100 ︰, 10～15 ︰ 1～5 mix with methyl alcohol, an acidic catalyst by mass ratio, and stirs, and under 60～64 ℃, carries out the membrane sepn esterification, obtains thick product through membrane permeation;
(3) product separation and Methanol Recovery: the thick product of step (2) gained is left standstill, separates, and obtaining lower floor is catalyzer, and the upper strata is methyl alcohol and biofuel, and the upper strata is carried out promptly obtaining biofuel after the Methanol Recovery.
High-acid value grease in the said step (1) is sewer oil, acidifying oil or oil alkali refining soap stock.
The mass concentration of the acidic solution in the said step (1) is 10～30%.
An acidic catalyst in the said step (2) is sulfuric acid, tosic acid or hydrochloric acid.
The catalyzer of the middle gained lower floor of said step (3) returns step (2) and recycles as an acidic catalyst.
The methyl alcohol that reclaims in the said step (3) returns step (2) and recycles.
Another object of the present invention is to provide a kind of device of preparing biological diesel fuel by high-acid-value grease; Comprise acidolysis reaction device 1, water-and-oil separator 2, mixing tank 3, well heater 4, membrane sepn esterifier 5, volume pump 8, surge tank 10, vacuum pump 11, methanol distillation column 12, thick product separator 13; Said acidolysis reaction device 1 outlet at bottom is connected with the import of water-and-oil separator 2; The outlet of water-and-oil separator 2 is connected with the import of mixing tank 3; The outlet of mixing tank 3 is connected with volume pump 8 through well heater 4 with the import of membrane sepn esterifier 5; Membrane sepn esterifier 5 is connected with vacuum pump 11 with surge tank 10, and the outlet of well heater 4 is connected with the import of thick product separator 13, and thick product separator 13 is connected with methanol distillation column 12 with mixing tank 3 respectively.
Said acidolysis reaction device 1 inside is provided with whisking appliance and heating unit.
Said membrane sepn esterifier 5 comprises wetting ability separatory membrane 6, reactor drum inner chamber 7, reactor drum exocoel 9, and wherein wetting ability separatory membrane 6 is emitted in the reactor drum inner chamber 7, reactor drum inner chamber 7 outer setting reactor drum exocoels 9.
The device of said preparing biological diesel fuel by high-acid-value grease also comprises interchanger 14, and interchanger 14 is arranged between mixing tank 3 and the methanol distillation column 12.
During work, high-acid value grease is added in the acidolysis reaction device 1, add acidic solution simultaneously; Heating under agitation; Then mixed solution is changed in the water-and-oil separator 2 and left standstill several hours, lower floor's acid solution is incorporated into to the glycerine recovery system, and upper strata lipid acid gets in the mixing tank 3; Again methyl alcohol, an acidic catalyst are added in the mixing tank 3 in proportion, stir; Start vacuum pump 11 and well heater 4 then; Mixing raw material with volume pump 8 will utilize well heater 4 to heat is squeezed in the reaction inner chamber 7 of membrane sepn esterifier; Esterification takes place and generates fatty acid methyl ester (being biofuel) and water in methyl alcohol and lipid acid in membrane sepn esterifier inner chamber 7; The water that reaction generates penetrates in the membrane sepn esterifier exocoel 9 through wetting ability separatory membrane 6 under vacuum pump 11 effects; And from surge tank 10, discharge, thereby break the esterification balance, make esterification carry out to positive dirction fast; An acidic catalyst, residue methyl alcohol and the biofuel that reaction generates get into thick product separator 13 and leave standstill, separate, and lower floor is a catalyzer, and it is returned recycle in the mixing tank 3; The upper strata is methyl alcohol and biofuel, through pipeline it is fed in the methanol distillation column 12, and heating makes methanol gasifying, methanol vapor pass through pipeline and after interchanger 14 condensations, gets into recycle in the mixing tank 3 in methanol distillation column 12; At last from methanol distillation column 12 bottom drain collection of biological diesel products.
Advantage of the present invention and positively effect:
(1) the present invention utilizes membrane sepn that the water that generates is separated in time in the process of preparation biofuel, makes reaction carry out to positive dirction fast, improves the transformation efficiency of esterification.
(2) the present invention is after the preparation biofuel finishes, and catalyzer is separated with methyl alcohol and makes it participate in esterification again, and production cost has been practiced thrift in recycle.
(3) flow process of the present invention is simple, and equipment investment cost is low, produces cleaning, has environment friendly.
Description of drawings
Fig. 1 is an apparatus structure synoptic diagram of the present invention;
Among the figure, the 1-reactor drum; The 2-water-and-oil separator; The 3-mixing tank; The 4-well heater; 5-membrane sepn esterifier; 6-wetting ability separatory membrane; 7-reactor drum inner chamber; The 8-volume pump; 9-reactor drum exocoel; The 10-surge tank; The 11-vacuum pump; The 12-methanol distillation column; The thick product separator of 13-; The 14-interchanger.
Embodiment
Further specify flesh and blood of the present invention with instance below, but content of the present invention is not limited to this.
Embodiment 1
Like Fig. 1; The device of preparing biological diesel fuel by high-acid-value grease; Comprise acidolysis reaction device 1, water-and-oil separator 2, mixing tank 3, well heater 4, membrane sepn esterifier 5, volume pump 8, surge tank 10, vacuum pump 11, methanol distillation column 12, thick product separator 13; Said acidolysis reaction device 1 outlet at bottom is connected with the import of water-and-oil separator 2; The outlet of water-and-oil separator 2 is connected with the import of mixing tank 3, and the outlet of mixing tank 3 is connected with volume pump 8 through well heater 4 with the import of membrane sepn esterifier 5, and membrane sepn esterifier 5 is connected with vacuum pump 11 with surge tank 10; The outlet of well heater 4 is connected with the import of thick product separator 13, and thick product separator 13 is connected with methanol distillation column 12 with mixing tank 3 respectively; Wherein acidolysis reaction device 1 inside is provided with whisking appliance and heating unit; Membrane sepn esterifier 5 comprises wetting ability separatory membrane 6, reactor drum inner chamber 7, reactor drum exocoel 9, and wherein wetting ability separatory membrane 6 is emitted in the reactor drum inner chamber 7, reactor drum inner chamber 7 outer setting reactor drum exocoels 9; Also comprise interchanger 14, interchanger 14 is arranged between mixing tank 3 and the methanol distillation column 12.
Adopt said apparatus to prepare biofuel:
(1) acidolysis reaction: in sewer oil, add the sulphuric acid soln (mass concentration is 10%) of sewer oil quality 23%, 70 ℃ of following stirring heating 60 minutes, then mixed solution was left standstill 60 hours, lower floor's acid solution is used to reclaim glycerine, and the upper strata is a lipid acid;
(2) membrane sepn esterification: the lipid acid that step (1) is obtained is that 100 ︰, 10 ︰ 5 mix (totally 115 mass parts) with methyl alcohol, tosic acid by mass ratio; And stir; Under 60 ℃, carry out the membrane sepn esterification, obtain thick product through membrane permeation;
(3) product separation and Methanol Recovery: the thick product of step (2) gained is left standstill, separates; Obtaining lower floor and be catalyzer returns step (2) and recycles as an acidic catalyst; The upper strata is methyl alcohol and biofuel; The upper strata is carried out promptly obtaining biofuel 95.5 mass parts after the Methanol Recovery, and wherein fatty acid methyl ester is 97.62%, and the methyl alcohol of recovery returns step (2) and recycles.
Embodiment 2
Adopt embodiment 1 said device to prepare biofuel:
(1) acidolysis reaction: in acidifying oil, add the hydrochloric acid soln (mass concentration is 20%) of acidifying oil quality 20%, 80 ℃ of following stirring heating 120 minutes, then mixed solution was left standstill 40 hours, lower floor's acid solution is used to reclaim glycerine, and the upper strata is a lipid acid;
(2) membrane sepn esterification: the lipid acid that step (1) is obtained is that 100 ︰, 15 ︰ 1 mix (totally 116 mass parts) with methyl alcohol, sulfuric acid by mass ratio, and stirs, and under 64 ℃, carries out the membrane sepn esterification, obtains thick product through membrane permeation;
(3) product separation and Methanol Recovery: the thick product of step (2) gained is left standstill, separates; Obtaining lower floor and be catalyzer returns step (2) and recycles as an acidic catalyst; The upper strata is methyl alcohol and biofuel; The upper strata is carried out promptly obtaining biofuel 96.3 mass parts after the Methanol Recovery, and wherein fatty acid methyl ester is 96.87%, and the methyl alcohol of recovery returns step (2) and recycles.
Embodiment 3
Adopt embodiment 1 said device to prepare biofuel:
(1) acidolysis reaction: the tosic acid solution (mass concentration is 25%) that in the oil alkali refining soap stock, adds oil alkali refining soap stock quality 25%; 75 ℃ of following stirring heating 90 minutes; Then mixed solution was left standstill 30 hours, lower floor's acid solution is used to reclaim glycerine, and the upper strata is a lipid acid;
(2) membrane sepn esterification: the lipid acid that step (1) is obtained is that 100 ︰, 15 ︰ 1 mix (totally 116 mass parts) with methyl alcohol, sulfuric acid by mass ratio, and stirs, and under 60 ℃, carries out the membrane sepn esterification, obtains thick product through membrane permeation;
(3) product separation and Methanol Recovery: the thick product of step (2) gained is left standstill, separates; Obtaining lower floor and be catalyzer returns step (2) and recycles as an acidic catalyst; The upper strata is methyl alcohol and biofuel; The upper strata is carried out promptly obtaining biofuel 92.5 mass parts after the Methanol Recovery, and wherein fatty acid methyl ester is 97.83%, and the methyl alcohol of recovery returns step (2) and recycles.
Embodiment 4
Adopt embodiment 1 said device to prepare biofuel:
(1) acidolysis reaction: the sulphuric acid soln (mass concentration is 30%) that in sewer oil, adds sewer oil quality 25%; 70～80 ℃ of following stirring heating 60～120 minutes; Then mixed solution was left standstill 30～60 hours, lower floor's acid solution is used to reclaim glycerine, and the upper strata is a lipid acid;
(2) membrane sepn esterification: the lipid acid that step (1) is obtained is that 100 ︰, 12 ︰ 2 mix (totally 114 mass parts) with methyl alcohol, hydrochloric acid by mass ratio, and stirs, and under 63 ℃, carries out the membrane sepn esterification, obtains thick product through membrane permeation;
(3) product separation and Methanol Recovery: the thick product of step (2) gained is left standstill, separates; Obtaining lower floor and be catalyzer returns step (2) and recycles as an acidic catalyst; The upper strata is methyl alcohol and biofuel; The upper strata is carried out promptly obtaining biofuel 98.6 mass parts after the Methanol Recovery, and fatty acid methyl ester is 99.13%, and the methyl alcohol of recovery returns step (2) and recycles.
Claims (10)
1. the method for a preparing biological diesel fuel by high-acid-value grease is characterized in that through following each step:
(1) in high-acid value grease, add the acidic solution of high-acid value grease quality 20～25%, 70～80 ℃ of following stirring heating 60～120 minutes, then mixed solution was left standstill 30～60 hours, lower floor's acid solution is used to reclaim glycerine, and the upper strata is a lipid acid;
(2) lipid acid that step (1) is obtained is that 100 ︰, 10～15 ︰ 1～5 mix with methyl alcohol, an acidic catalyst by mass ratio, and stirs, and under 60～64 ℃, carries out the membrane sepn esterification, obtains thick product through membrane permeation;
(3) the thick product with step (2) gained leaves standstill, separates, and obtaining lower floor is catalyzer, and the upper strata is methyl alcohol and biofuel, and the upper strata is carried out promptly obtaining biofuel after the Methanol Recovery.
2. the method for preparing biological diesel fuel by high-acid-value grease according to claim 1, it is characterized in that: the high-acid value grease in the said step (1) is sewer oil, acidifying oil or oil alkali refining soap stock.
3. the method for preparing biological diesel fuel by high-acid-value grease according to claim 1, it is characterized in that: the mass concentration of the acidic solution in the said step (1) is 10～30%.
4. the method for preparing biological diesel fuel by high-acid-value grease according to claim 1, it is characterized in that: an acidic catalyst in the said step (2) is sulfuric acid, tosic acid or hydrochloric acid.
5. the method for preparing biological diesel fuel by high-acid-value grease according to claim 1 is characterized in that: the catalyzer of gained lower floor returns step (2) and recycles as an acidic catalyst in the said step (3).
6. the method for preparing biological diesel fuel by high-acid-value grease according to claim 1 is characterized in that: the methyl alcohol that reclaims in the said step (3) returns step (2) and recycles.
7. device that is used for described any one preparing biological diesel fuel by high-acid-value grease method of claim 1～6; It is characterized in that: comprise acidolysis reaction device (1), water-and-oil separator (2), mixing tank (3), well heater (4), membrane sepn esterifier (5), volume pump (8), surge tank (10), vacuum pump (11), methanol distillation column (12), thick product separator (13); Said acidolysis reaction device (1) outlet at bottom is connected with the import of water-and-oil separator (2); The outlet of water-and-oil separator (2) is connected with the import of mixing tank (3); The outlet of mixing tank (3) is connected with volume pump (8) through well heater (4) with the import of membrane sepn esterifier (5); Membrane sepn esterifier (5) is connected with vacuum pump (11) with surge tank (10); The outlet of well heater (4) is connected with the import of thick product separator (13), and thick product separator (13) is connected with methanol distillation column (12) with mixing tank (3) respectively.
8. the device of preparing biological diesel fuel by high-acid-value grease according to claim 7, it is characterized in that: said acidolysis reaction device (1) inside is provided with whisking appliance and heating unit.
9. the device of preparing biological diesel fuel by high-acid-value grease according to claim 7; It is characterized in that: said membrane sepn esterifier (5) comprises wetting ability separatory membrane (6), reactor drum inner chamber (7), reactor drum exocoel (9); Wherein wetting ability separatory membrane (6) is emitted in the reactor drum inner chamber (7), reactor drum inner chamber (7) outer setting reactor drum exocoel (9).
10. the device of preparing biological diesel fuel by high-acid-value grease according to claim 7; It is characterized in that: the device of said preparing biological diesel fuel by high-acid-value grease also comprises interchanger (14), and interchanger (14) is arranged between mixing tank (3) and the methanol distillation column (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101795331A CN102676302A (en) | 2012-06-04 | 2012-06-04 | Method and device for preparing biodiesel by oil with high acid value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101795331A CN102676302A (en) | 2012-06-04 | 2012-06-04 | Method and device for preparing biodiesel by oil with high acid value |
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| Publication Number | Publication Date |
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| CN102676302A true CN102676302A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101795331A Pending CN102676302A (en) | 2012-06-04 | 2012-06-04 | Method and device for preparing biodiesel by oil with high acid value |
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| CN (1) | CN102676302A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105324472A (en) * | 2013-06-19 | 2016-02-10 | 阿根特能源集团有限公司 | Process and apparatus for purifying a fatty mixture and related products including fuels |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126029A (en) * | 2006-08-15 | 2008-02-20 | 广西师范大学 | Technique for preparing biological diesel oil by microwave catalyzing and film separating |
| CN101423770A (en) * | 2008-12-08 | 2009-05-06 | 中国科学院广州能源研究所 | Method for preparing biodiesel by using high acid number feed lipid |
| CN101781610A (en) * | 2010-03-16 | 2010-07-21 | 刘宽 | Continuous esterification and ester exchange process used for producing biodiesel |
| CN101870927A (en) * | 2010-06-25 | 2010-10-27 | 昆明理工大学 | Method and device for preparing fatty acid methyl ester from oil residue |
| CN102041177A (en) * | 2009-10-18 | 2011-05-04 | 陕西春光生物能源开发有限公司 | Method for preparing biodiesel |
| CN202610209U (en) * | 2012-06-04 | 2012-12-19 | 昆明理工大学 | High acid value oil and fat preparation biodiesel device |
-
2012
- 2012-06-04 CN CN2012101795331A patent/CN102676302A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126029A (en) * | 2006-08-15 | 2008-02-20 | 广西师范大学 | Technique for preparing biological diesel oil by microwave catalyzing and film separating |
| CN101423770A (en) * | 2008-12-08 | 2009-05-06 | 中国科学院广州能源研究所 | Method for preparing biodiesel by using high acid number feed lipid |
| CN102041177A (en) * | 2009-10-18 | 2011-05-04 | 陕西春光生物能源开发有限公司 | Method for preparing biodiesel |
| CN101781610A (en) * | 2010-03-16 | 2010-07-21 | 刘宽 | Continuous esterification and ester exchange process used for producing biodiesel |
| CN101870927A (en) * | 2010-06-25 | 2010-10-27 | 昆明理工大学 | Method and device for preparing fatty acid methyl ester from oil residue |
| CN202610209U (en) * | 2012-06-04 | 2012-12-19 | 昆明理工大学 | High acid value oil and fat preparation biodiesel device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105324472A (en) * | 2013-06-19 | 2016-02-10 | 阿根特能源集团有限公司 | Process and apparatus for purifying a fatty mixture and related products including fuels |
| CN105324472B (en) * | 2013-06-19 | 2021-08-10 | 阿根特能源（英国）有限公司 | Process and apparatus for purifying a fat mixture and related products including a fuel |
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Application publication date: 20120919 |