CN105524666A - Method for efficiently preparing biofuel from Navicula tenera - Google Patents
Method for efficiently preparing biofuel from Navicula tenera Download PDFInfo
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- CN105524666A CN105524666A CN201610076050.7A CN201610076050A CN105524666A CN 105524666 A CN105524666 A CN 105524666A CN 201610076050 A CN201610076050 A CN 201610076050A CN 105524666 A CN105524666 A CN 105524666A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/006—Refining fats or fatty oils by extraction
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/12—Refining fats or fatty oils by distillation
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Fats And Perfumes (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The invention discloses a method for efficiently preparing biofuel from Navicula tenera and belongs to the field of biofuel. The Navicula tenera is taken as a raw material, Navicula tenera crude oil is extracted and mixed with a calcium chloride solution, the mixture is extracted with n-hexane, purified and esterified Navicula tenera grease is obtained and reacts with methanol under the action of a base catalyst potassium hydroxide, and the biofuel is synthesized. According to the method, the raw materials are rich, the Navicula tenera grows fast, the production cost can be effectively reduced through utilization of a large amount of sugar and fat in the Navicula tenera, accordingly, the yield of grease extracted from the Navicula tenera is high, the produced fuel can replace existing petroleum fuel for combustion, and the biofuel is environment-friendly and harmless.
Description
Technical field
The invention discloses a kind of method that efficiency utilization boat-shaped algae prepares biofuel, belong to biofuel field.
Background technology
The traditional raw material that biofuel is produced is generally sugar, cereal and oil-containing crop.Sugar and starch class raw material is easy to fermentation and has very high biofuel transformation efficiency.But be subject to the restriction of region and weather, again because most of cereal and Vegetable oil lipoprotein will be used for the food of the increasing people in the whole world and livestock, therefore the raw material of traditional biological fuel production is very limited.Biofuel ratio sugar and starch class cereal is produced more economical by lignocellulose.
But micro-algae can solve this problem by good photosynthetic efficiency, compared with other biological matter, the photosynthesis of microalgae cell more easily can obtain biomass.One slightly algae in cell walls, comprise a large amount of carbohydrate and plastid, these all can be used as the substrate of fermentation.In addition, some algae kinds can accumulate the raw material of a large amount of greases as preparation biofuel under given conditions.Utilize micro-algae to have a lot of advantage as the raw material ratio traditional raw material of biofuel, micro algae growth is very fast and biomass is large.Micro-algae is both by photosynthesis stabilizing carbon dioxide, grease etc. can be produced again under stress conditions, with be compared with raw material production biofuel with corn etc., micro-algae fuel do not exist to strive with people grain, with grain strive etc. problem, have that kind is many, growth is fast, grease biosynthesizing efficiency advantages of higher simultaneously.Micro-algae fuel, particularly microalgae biodiesel causes extensive concern.
Micro-algae pyrolysis product is extraordinary regenerated biological energy, has the advantage that fossil energy does not have: this energy is pollution-free, can constantly regenerate; Micro algae growth breeding rapidly, can obtain a large amount of micro-algae in a short time and carry out pyrolysis, and then obtain required product; Micro-algae pyrolysis is simple, do not need complicated plant and instrument.Therefore, micro-algae pyrolysis is utilized to produce the concern of the technology extremely countries in the world energy expert of regenerated biological energy.
Summary of the invention
The technical problem that the present invention mainly solves: be restricted with food crop raw materials for production such as corns for current traditional biological fuel, and production cost is high, and the shortcoming utilizing algae to prepare biofuel to have productive rate low, provide a kind of method that efficiency utilization boat-shaped algae prepares biofuel, the present invention with boat-shaped algae for raw material, therefrom extract boat-shaped algae is slightly oily, obtaining purifying again with calcium chloride solution mixing n-hexane extraction can esterification boat-shaped algae grease, by it under the effect of alkaline catalysts potassium hydroxide, Reactive Synthesis biofuel is carried out with methyl alcohol, abundant raw material of the present invention, growth is fast, utilize sugars a large amount of in boat-shaped algae and lipid, effectively can reduce production cost, and the oil yield extracted from boat-shaped algae is high, the fuel produced can replace existing oil fuel to burn, environmentally friendly harmless.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
(1) taking the fresh boat-shaped algae of 1 ~ 2kg pours in 3 ~ 5L deionized water, removes surface salt material 3 ~ 5 times, then the boat-shaped algae after cleaning is placed in high-voltage pulse electric field device, at 35 ~ 40kWh/m with the cleaning of ultrasonic cleaning instrument
3under pulse strength, focusing pulse broken boat-shaped frustule wall, obtained wet algae mud;
(2) be that 80% ethanolic soln puts into vortex oscillation instrument for 1:1 carries out mixing by volume by above-mentioned obtained wet algae mud and mass concentration, vortex vibration 1 ~ 2min under 30 ~ 50W power, again the mixed solution after vortex oscillation is put into whizzer, under 10000 ~ 12000r/min speed, carry out ethanol dehydration 5 ~ 8min, be separated and obtain dry boat-shaped algae algae mud;
(3) taking the boat-shaped algae algae mud after the above-mentioned dehydration of 300 ~ 400g pours in ceramic pot, add the composite extractant of its volume 10 times, microwave treater is put into after stirring by stirring rod, at 60 ~ 70 DEG C after microwave radiation exaraction 1 ~ 2h, with the centrifugal 8 ~ 10min of 9000 ~ 10000r/min rotating speed, separated and collected organic phase, puts into rotatory evaporator, revolve boil off except after composite extractant boat-shaped algae slightly oily;
(4) in the above-mentioned obtained thick oil of boat-shaped algae of 200 ~ 300mL, 100 ~ 200mL distilled water is added and 50 ~ 60mL concentration is 0.2mol/L calcium chloride solution, be placed on after magnetic stirrer stirs, the normal hexane of mixed solution cumulative volume 40 ~ 50% is added again under the state stirred, be placed on oscillation extraction 10 ~ 12h on shaking table, separation obtains organic phase, distillation remove to obtain purifying after organic phase can esterification boat-shaped algae grease;
(5) get 100 ~ 200mL purifying obtained above and can put into transesterification device by esterification boat-shaped algae grease, be that in reactor, add mass concentration be 40% methanol solution to 6:1 by alcohol oil rate, and add the catalyzer of oil quality 2%, the post-heating that stirs is warming up to 45 ~ 55 DEG C, insulation transesterification 1 ~ 2h;
(6) pour above-mentioned reaction product into horizontal centrifuge, be separated with the centrifugal 10 ~ 15min of 6000 ~ 7000r/min rotating speed and obtain the transparent oil reservoir in upper strata, be biofuel.
Described composite extractant is obtained for 1:1 mixes by volume by dehydrated alcohol and ethyl acetate.
Described catalyzer is potassium hydroxide powder.
Application method of the present invention: the biofuel that the present invention prepares can be used alone, also can add in diesel oil for 1:6 ~ 1:8 by volume, be widely used in the replacement such as boiler, boats and ships fossil fuel oil to use, clean-up performance and the combustionproperty of original diesel oil can be improved, the heat energy value of biofuel is 56.2 ~ 58.8MJ/kg after tested, exceed 8 ~ 10% than common diesel heat, the content of nitric oxide than diesel oil fuel after burning reduces 30 ~ 50%.
The invention has the beneficial effects as follows:
(1) the present invention selects boat-shaped algae to be raw materials for production, does not rely on soil, there is not the problem of competing mutually with agricultural land, do not occupy cultivated land, do not affect agriculture production;
(2) from boat-shaped algae, extract the yield of grease high in the present invention, produces fuel and can replace existing oil fuel, environmentally friendly.
Embodiment
First taking the fresh boat-shaped algae of 1 ~ 2kg pours in 3 ~ 5L deionized water, removes surface salt material 3 ~ 5 times, then the boat-shaped algae after cleaning is placed in high-voltage pulse electric field device, at 35 ~ 40kWh/m with the cleaning of ultrasonic cleaning instrument
3under pulse strength, focusing pulse broken boat-shaped frustule wall, obtained wet algae mud; Be that 80% ethanolic soln puts into vortex oscillation instrument for 1:1 carries out mixing by volume by obtained wet algae mud and mass concentration, vortex vibration 1 ~ 2min under 30 ~ 50W power, again the mixed solution after vortex oscillation is put into whizzer, under 10000 ~ 12000r/min speed, carry out ethanol dehydration 5 ~ 8min, be separated and obtain dry boat-shaped algae algae mud; The boat-shaped algae algae mud taken after 300 ~ 400g dehydration is poured in ceramic pot, add the composite extractant of its volume 10 times, microwave treater is put into after stirring by stirring rod, at 60 ~ 70 DEG C after microwave radiation exaraction 1 ~ 2h, with the centrifugal 8 ~ 10min of 9000 ~ 10000r/min rotating speed, separated and collected organic phase, puts into rotatory evaporator, revolve boil off except after composite extractant boat-shaped algae slightly oily; 100 ~ 200mL distilled water is added and 50 ~ 60mL concentration is 0.2mol/L calcium chloride solution in the thick oil of boat-shaped algae that 200 ~ 300mL is obtained, be placed on after magnetic stirrer stirs, the normal hexane of mixed solution cumulative volume 40 ~ 50% is added again under the state stirred, be placed on oscillation extraction 10 ~ 12h on shaking table, separation obtains organic phase, distillation remove to obtain purifying after organic phase can esterification boat-shaped algae grease; Get the purifying that 100 ~ 200mL obtains and can put into transesterification device by esterification boat-shaped algae grease, be that in reactor, add mass concentration be 40% methanol solution to 6:1 by alcohol oil rate, and add the catalyzer of oil quality 2%, the post-heating that stirs is warming up to 45 ~ 55 DEG C, insulation transesterification 1 ~ 2h; Pour reaction product into horizontal centrifuge, be separated with the centrifugal 10 ~ 15min of 6000 ~ 7000r/min rotating speed and obtain the transparent oil reservoir in upper strata, be biofuel.
Described composite extractant is obtained for 1:1 mixes by volume by dehydrated alcohol and ethyl acetate.
Described catalyzer is potassium hydroxide powder.
Example 1
First taking the fresh boat-shaped algae of 1kg pours in 3L deionized water, cleans 3 times and removes surface salt material, then the boat-shaped algae after cleaning is placed in high-voltage pulse electric field device, at 35kWh/m with ultrasonic cleaning instrument
3under pulse strength, focusing pulse broken boat-shaped frustule wall, obtained wet algae mud; Be that 80% ethanolic soln puts into vortex oscillation instrument for 1:1 carries out mixing by volume by obtained wet algae mud and mass concentration, vortex vibration 1min under 30W power, again the mixed solution after vortex oscillation is put into whizzer, under 10000r/min speed, carry out ethanol dehydration 5min, be separated and obtain dry boat-shaped algae algae mud; The boat-shaped algae algae mud taken after 300g dehydration is poured in ceramic pot, add the composite extractant of its volume 10 times, microwave treater is put into after stirring by stirring rod, at 60 DEG C after microwave radiation exaraction 1h, with the centrifugal 8min of 9000r/min rotating speed, separated and collected organic phase, puts into rotatory evaporator, revolve boil off except after composite extractant boat-shaped algae slightly oily; 100mL distilled water is added and 50mL concentration is 0.2mol/L calcium chloride solution in the thick oil of boat-shaped algae that 200mL is obtained, be placed on after magnetic stirrer stirs, the normal hexane of mixed solution cumulative volume 40% is added again under the state stirred, be placed on oscillation extraction 10h on shaking table, separation obtains organic phase, distillation remove to obtain purifying after organic phase can esterification boat-shaped algae grease; Get the purifying that 100mL obtains and can put into transesterification device by esterification boat-shaped algae grease, be that in reactor, add mass concentration be 40% methanol solution to 6:1 by alcohol oil rate, and adding the catalyzer of oil quality 2%, the post-heating that stirs is warming up to 45 DEG C, insulation transesterification 1h; Pour reaction product into horizontal centrifuge, be separated with the centrifugal 10min of 6000r/min rotating speed and obtain the transparent oil reservoir in upper strata, be biofuel.
Described composite extractant is obtained for 1:1 mixes by volume by dehydrated alcohol and ethyl acetate.
Described catalyzer is potassium hydroxide powder.
The biofuel that the present invention prepares can be used alone, also can add in diesel oil by 1:6, be widely used in the replacement such as boiler, boats and ships fossil fuel oil to use, clean-up performance and the combustionproperty of original diesel oil can be improved, the heat energy value of biofuel is 56.2MJ/kg after tested, higher than common diesel heat by 8%, the content of nitric oxide than diesel oil fuel after burning reduces 30%.
Example 2
First taking the fresh boat-shaped algae of 1.5kg pours in 4L deionized water, cleans 4 times and removes surface salt material, then the boat-shaped algae after cleaning is placed in high-voltage pulse electric field device, at 37kWh/m with ultrasonic cleaning instrument
3under pulse strength, focusing pulse broken boat-shaped frustule wall, obtained wet algae mud; Be that 80% ethanolic soln puts into vortex oscillation instrument for 1:1 carries out mixing by volume by obtained wet algae mud and mass concentration, vortex vibration 1.5min under 40W power, again the mixed solution after vortex oscillation is put into whizzer, under 11000r/min speed, carry out ethanol dehydration 6min, be separated and obtain dry boat-shaped algae algae mud; The boat-shaped algae algae mud taken after 350g dehydration is poured in ceramic pot, add the composite extractant of its volume 10 times, microwave treater is put into after stirring by stirring rod, at 65 DEG C after microwave radiation exaraction 1.5h, with the centrifugal 9min of 9500r/min rotating speed, separated and collected organic phase, puts into rotatory evaporator, revolve boil off except after composite extractant boat-shaped algae slightly oily; 150mL distilled water is added and 55mL concentration is 0.2mol/L calcium chloride solution in the thick oil of boat-shaped algae that 250mL is obtained, be placed on after magnetic stirrer stirs, the normal hexane of mixed solution cumulative volume 45% is added again under the state stirred, be placed on oscillation extraction 11h on shaking table, separation obtains organic phase, distillation remove to obtain purifying after organic phase can esterification boat-shaped algae grease; Get the purifying that 150mL obtains and can put into transesterification device by esterification boat-shaped algae grease, be that in reactor, add mass concentration be 40% methanol solution to 6:1 by alcohol oil rate, and adding the catalyzer of oil quality 2%, the post-heating that stirs is warming up to 50 DEG C, insulation transesterification 1.5h; Pour reaction product into horizontal centrifuge, be separated with the centrifugal 13min of 6500r/min rotating speed and obtain the transparent oil reservoir in upper strata, be biofuel.
Described composite extractant is obtained for 1:1 mixes by volume by dehydrated alcohol and ethyl acetate.
Described catalyzer is potassium hydroxide powder.
The biofuel that the present invention prepares can be used alone, also can add in diesel oil by 1:7, be widely used in the replacement such as boiler, boats and ships fossil fuel oil to use, clean-up performance and the combustionproperty of original diesel oil can be improved, the heat energy value of biofuel is 57.8MJ/kg after tested, higher than common diesel heat by 9%, the content of nitric oxide than diesel oil fuel after burning reduces 40%.
Example 3
First taking the fresh boat-shaped algae of 2kg pours in 5L deionized water, cleans 5 times and removes surface salt material, then the boat-shaped algae after cleaning is placed in high-voltage pulse electric field device, at 40kWh/m with ultrasonic cleaning instrument
3under pulse strength, focusing pulse broken boat-shaped frustule wall, obtained wet algae mud; Be that 80% ethanolic soln puts into vortex oscillation instrument for 1:1 carries out mixing by volume by obtained wet algae mud and mass concentration, vortex vibration 2min under 50W power, again the mixed solution after vortex oscillation is put into whizzer, under 12000r/min speed, carry out ethanol dehydration 8min, be separated and obtain dry boat-shaped algae algae mud; The boat-shaped algae algae mud taken after 400g dehydration is poured in ceramic pot, add the composite extractant of its volume 10 times, microwave treater is put into after stirring by stirring rod, at 70 DEG C after microwave radiation exaraction 2h, with the centrifugal 10min of 10000r/min rotating speed, separated and collected organic phase, puts into rotatory evaporator, revolve boil off except after composite extractant boat-shaped algae slightly oily; 200mL distilled water is added and 60mL concentration is 0.2mol/L calcium chloride solution in the thick oil of boat-shaped algae that 300mL is obtained, be placed on after magnetic stirrer stirs, the normal hexane of mixed solution cumulative volume 50% is added again under the state stirred, be placed on oscillation extraction 12h on shaking table, separation obtains organic phase, distillation remove to obtain purifying after organic phase can esterification boat-shaped algae grease; Get the purifying that 200mL obtains and can put into transesterification device by esterification boat-shaped algae grease, be that in reactor, add mass concentration be 40% methanol solution to 6:1 by alcohol oil rate, and adding the catalyzer of oil quality 2%, the post-heating that stirs is warming up to 55 DEG C, insulation transesterification 2h; Pour reaction product into horizontal centrifuge, be separated with the centrifugal 15min of 7000r/min rotating speed and obtain the transparent oil reservoir in upper strata, be biofuel.
Described composite extractant is obtained for 1:1 mixes by volume by dehydrated alcohol and ethyl acetate.
Described catalyzer is potassium hydroxide powder.
The biofuel that the present invention prepares can be used alone, also can add in diesel oil by 1:8, be widely used in the replacement such as boiler, boats and ships fossil fuel oil to use, clean-up performance and the combustionproperty of original diesel oil can be improved, the heat energy value of biofuel is 58.08MJ/kg after tested, higher than common diesel heat by 10%, the content of nitric oxide than diesel oil fuel after burning reduces 50%.
Claims (3)
1. efficiency utilization boat-shaped algae prepares a method for biofuel, it is characterized in that concrete preparation process is:
(1) taking the fresh boat-shaped algae of 1 ~ 2kg pours in 3 ~ 5L deionized water, removes surface salt material 3 ~ 5 times, then the boat-shaped algae after cleaning is placed in high-voltage pulse electric field device, at 35 ~ 40kWh/m with the cleaning of ultrasonic cleaning instrument
3under pulse strength, focusing pulse broken boat-shaped frustule wall, obtained wet algae mud;
(2) be that 80% ethanolic soln puts into vortex oscillation instrument for 1:1 carries out mixing by volume by above-mentioned obtained wet algae mud and mass concentration, vortex vibration 1 ~ 2min under 30 ~ 50W power, again the mixed solution after vortex oscillation is put into whizzer, under 10000 ~ 12000r/min speed, carry out ethanol dehydration 5 ~ 8min, be separated and obtain dry boat-shaped algae algae mud;
(3) taking the boat-shaped algae algae mud after the above-mentioned dehydration of 300 ~ 400g pours in ceramic pot, add the composite extractant of its volume 10 times, microwave treater is put into after stirring by stirring rod, at 60 ~ 70 DEG C after microwave radiation exaraction 1 ~ 2h, with the centrifugal 8 ~ 10min of 9000 ~ 10000r/min rotating speed, separated and collected organic phase, puts into rotatory evaporator, revolve boil off except after composite extractant boat-shaped algae slightly oily;
(4) in the above-mentioned obtained thick oil of boat-shaped algae of 200 ~ 300mL, 100 ~ 200mL distilled water is added and 50 ~ 60mL concentration is 0.2mol/L calcium chloride solution, be placed on after magnetic stirrer stirs, the normal hexane of mixed solution cumulative volume 40 ~ 50% is added again under the state stirred, be placed on oscillation extraction 10 ~ 12h on shaking table, separation obtains organic phase, distillation remove to obtain purifying after organic phase can esterification boat-shaped algae grease;
(5) get 100 ~ 200mL purifying obtained above and can put into transesterification device by esterification boat-shaped algae grease, be that in reactor, add mass concentration be 40% methanol solution to 6:1 by alcohol oil rate, and add the catalyzer of oil quality 2%, the post-heating that stirs is warming up to 45 ~ 55 DEG C, insulation transesterification 1 ~ 2h;
(6) pour above-mentioned reaction product into horizontal centrifuge, be separated with the centrifugal 10 ~ 15min of 6000 ~ 7000r/min rotating speed and obtain the transparent oil reservoir in upper strata, be biofuel.
2. a kind of efficiency utilization boat-shaped algae according to claim 1 prepares the method for biofuel, it is characterized in that: described composite extractant is obtained for 1:1 mixes by volume by dehydrated alcohol and ethyl acetate.
3. a kind of efficiency utilization boat-shaped algae according to claim 1 prepares the method for biofuel, it is characterized in that: described catalyzer is potassium hydroxide powder.
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Cited By (1)
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CN113769437A (en) * | 2021-10-22 | 2021-12-10 | 武汉轻工大学 | Method for rapidly extracting high-quality bioactive components from microalgae cells and application thereof |
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CN1923961A (en) * | 2006-10-08 | 2007-03-07 | 清华大学 | Method of preparing organism diesel oil by microwave radiation modified solid base catalyst transfer esterification |
CN102690720A (en) * | 2012-06-06 | 2012-09-26 | 广西大学 | Method for preparing biodiesel directly from microalgae by using microwave technology |
CN102899166A (en) * | 2012-11-02 | 2013-01-30 | 上海理工大学 | Biological grease in algae cell and preparation method and application of biological grease |
CN104059773A (en) * | 2014-07-02 | 2014-09-24 | 华南理工大学 | Method for wet extraction of purified microalgae oil |
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2016
- 2016-02-02 CN CN201610076050.7A patent/CN105524666A/en active Pending
Patent Citations (4)
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CN1923961A (en) * | 2006-10-08 | 2007-03-07 | 清华大学 | Method of preparing organism diesel oil by microwave radiation modified solid base catalyst transfer esterification |
CN102690720A (en) * | 2012-06-06 | 2012-09-26 | 广西大学 | Method for preparing biodiesel directly from microalgae by using microwave technology |
CN102899166A (en) * | 2012-11-02 | 2013-01-30 | 上海理工大学 | Biological grease in algae cell and preparation method and application of biological grease |
CN104059773A (en) * | 2014-07-02 | 2014-09-24 | 华南理工大学 | Method for wet extraction of purified microalgae oil |
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