CN101302448B - Blending biodiesel - Google Patents
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- CN101302448B CN101302448B CN2008101226796A CN200810122679A CN101302448B CN 101302448 B CN101302448 B CN 101302448B CN 2008101226796 A CN2008101226796 A CN 2008101226796A CN 200810122679 A CN200810122679 A CN 200810122679A CN 101302448 B CN101302448 B CN 101302448B
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- biofuel
- oil
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- gossypii semen
- oleum
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- 239000003225 biodiesel Substances 0.000 title abstract description 13
- 238000002156 mixing Methods 0.000 title abstract description 12
- 239000002383 tung oil Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000002551 biofuel Substances 0.000 claims description 141
- 239000003921 oil Substances 0.000 claims description 58
- 235000019198 oils Nutrition 0.000 claims description 58
- 210000000582 semen Anatomy 0.000 claims description 30
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 27
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000007670 refining Methods 0.000 claims description 8
- 238000005809 transesterification reaction Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000008162 cooking oil Substances 0.000 abstract 2
- 239000002385 cottonseed oil Substances 0.000 abstract 2
- 235000012343 cottonseed oil Nutrition 0.000 abstract 2
- 239000002283 diesel fuel Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 235000019387 fatty acid methyl ester Nutrition 0.000 description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 10
- 239000005864 Sulphur Substances 0.000 description 10
- 150000002978 peroxides Chemical class 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 6
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 6
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 description 5
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 description 5
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- YZXBAPSDXZZRGB-DOFZRALJSA-N arachidonic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O YZXBAPSDXZZRGB-DOFZRALJSA-N 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000005642 Oleic acid Substances 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- GQEZCXVZFLOKMC-UHFFFAOYSA-N n-alpha-hexadecene Natural products CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000005639 Lauric acid Substances 0.000 description 2
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229940114079 arachidonic acid Drugs 0.000 description 2
- 235000021342 arachidonic acid Nutrition 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000008157 edible vegetable oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 2
- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 2
- 229960004232 linoleic acid Drugs 0.000 description 2
- YCOZIPAWZNQLMR-UHFFFAOYSA-N pentadecane Chemical compound CCCCCCCCCCCCCCC YCOZIPAWZNQLMR-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 150000004671 saturated fatty acids Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- SZHOJFHSIKHZHA-UHFFFAOYSA-N tridecanoic acid Chemical compound CCCCCCCCCCCCC(O)=O SZHOJFHSIKHZHA-UHFFFAOYSA-N 0.000 description 2
- -1 unsaturated fatty acids methyl esters Chemical class 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000004716 alpha keto acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000018927 edible plant Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000010773 plant oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000005303 weighing Methods 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
Landscapes
- Fats And Perfumes (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses blending biodiesel, which mainly comprises cottonseed oil biodiesel, tung oil biodiesel and illegal cooking oil biodiesel, and the volume ratio of the cottonseed oil biodiesel to the tung oil biodiesel to the illegal cooking oil biodiesel is 15-35: 10-60: 15-35. The invention has low cost, simple and easy operation process and environmental protection, integrates the advantages of various raw materials of biodiesel and petroleum diesel, and can better improve the performance of the biodiesel.
Description
Technical field
The invention belongs to green, field of renewable energy technology, be specifically related to a kind of optimization biofuel that forms by multiple biofuel mediation.
Background technology
Biofuel is a kind of as green energy resource, has preferably ignition quality and advantage such as renewable, environmentally friendly, becomes the best oil substitutes of prospect.In today of the raising of exhausted day by day and people's environmental consciousness of petroleum resources, biofuel obtains increasing attention, the emphasis that the development biofuel has become various countries to study.At present, the country that comprises the U.S., European Union, Japan and China is all greatly developing biofuel.Yet, compare with the ripe relatively petrifaction diesel of development, biofuel will realize that also there are some problems inevitably in general commercialization, mainly show as raw materials cost height, viscosity big, be prone to oxidation and not anti-storage and low-temperature startup performance are good etc.In traditional technology, generally be to mix use with petrifaction diesel, or improve the low-temperature fluidity of biofuel through adding methods such as additive through biofuel.Like CN1821350A a kind of vegetables oil, additive allotment method of bio-diesel oil utilized is provided.CN1847369A increases the oxidative stability of biofuel through adding certain particular configuration inhibitor.And the most more complicated of these methods, therefore production cost can't be used than higher so far widely.
The use of biofuel can be divided into this 3 kinds of situation basically: 1. the oiliness additive as petrifaction diesel uses, and generally adding dosage is below 5%; 2. as the blend component of petrifaction diesel, general incorporation is 20%-30%; 3. with Germany the biofuel of the use pure state of representative.At present, most biofuel are used to mix the burning form at coml and are occurred.
Summary of the invention
The objective of the invention is to solve in the present biofuel business promotion that raw materials cost is high, viscosity is big, be prone to problems such as the not anti-storage of oxidation and low temperature flowability be not good, provide a kind of use to be in harmonious proportion simply, cheaply and use biofuel.
The object of the invention can reach through following measure:
Biofuel is used in a kind of mediation, and this mediation mainly is made up of Oleum Gossypii semen biofuel, tung oil biofuel and refining sewer oil biofuel with biofuel, and its volume ratio is 15～35: 10～60: 15～35, be preferably 20～30: 10～50: 20～30.This mediation also can add the Oleum Cocois biofuel with biofuel; Wherein the volume ratio between Oleum Cocois biofuel, Oleum Gossypii semen biofuel, tung oil biofuel and the refining sewer oil biofuel is 15～35: 15～35: 10～60: 15～35; Be preferably 15～35: 15～35: 10～30: 15～35, most preferably be 20～30: 20～30: 15～20: 20～30.This mediation can also add the rapeseed oil biofuel with biofuel, and wherein the volume ratio of Oleum Cocois biofuel and rapeseed oil biofuel is 15～35: 10～25, is preferably 20～30: 15～20.
It is that 60～98% petrifaction diesel forms mixed oil and uses that this mediation uses biofuel also can mix volume content, and volume content is 70～90%.
Oleum Cocois biofuel, rapeseed oil biofuel, Oleum Gossypii semen biofuel, tung oil biofuel and refining sewer oil biofuel are raw material with Oleum Cocois, rapeseed oil, Oleum Gossypii semen, tung oil and refining sewer oil respectively, adopt the base-catalyzed transesterification method to make.In the base-catalyzed transesterification process, employed catalyzer is NaOH, and employed low-carbon alcohol is a methyl alcohol, and molar ratio of methanol to oil is 5～20: 1, and temperature of reaction is 30～75 ℃, and the reaction times is 30min～5h.
Concrete technical scheme of the present invention may further comprise the steps:
1) preparation of biofuel
The present invention is the feedstock production biofuel with Oleum Cocois, rapeseed oil, Oleum Gossypii semen, tung oil and refining sewer oil respectively.Through the preparation of each raw material biofuel of base-catalyzed transesterification reaction completion, the usefulness of allotment below after separation, purifying, washing, drying, supplying.The alcohols that uses in the base-catalyzed transesterification reaction is methyl alcohol; Catalyzer is highly basic NaOH; Best experiment condition is following: the alcohols molar equivalent is about 6: 1, and the amount of preferred catalyst be oily heavy by 1%, and the preferred reaction time is about 1-3h; Preferable reaction temperature is about 65 ℃, and preferred stirring velocity is about 600rpm.
2) qualitative, the quantitative analysis of each raw material biofuel fatty acid methyl ester composition
Oleum Cocois, rapeseed oil, Oleum Gossypii semen and tung oil all are the abundant vegetable oil materials in source, and sewer oil mainly is the catering trade waste oil of processing through reclaiming, and they all contain great amount of fat acid, are the good raw material of preparation biofuel.The present invention adopts GC/MS (gas chromatography mass spectrometry) to being analyzed by the fatty acid methyl ester composition of the biofuel of various feedstock production, and its staple and content are following:
A. the composition of each fatty acid methyl ester and content are in the Oleum Cocois biofuel: LAURIC ACID 99 MIN 44.1%, tetradecanoic acid 20.9%, palmitinic acid 11.2%, oleic acid 9.2%, capric acid 5.3%, sad 4.8%, Triple Pressed Stearic Acid 3.3%.
B. the composition of each fatty acid methyl ester and content are in the rapeseed oil biofuel: oleic acid 87.3%, palmitinic acid 6.4%, two ten carbon diluted acid 2.3%, hexadecene acid 1.2%, erucic acid 1.1%, Triple Pressed Stearic Acid 0.77%.
C. the composition of each fatty acid methyl ester and content are in the Oleum Gossypii semen biofuel: linolic acid 56.91%, palmitinic acid 31.2%, Triple Pressed Stearic Acid 5.03%, tetradecanoic acid 3.8%, hexadecene acid 3.15%.
D. the composition of each fatty acid methyl ester and content are in the tung oil oil biodiesel: alpha-ketoacid 71.4%, linolic acid 15.3%, tridecanoic acid 3.8%, pentadecane acid 2.8%, arachidonic acid 1.3%.
E. the composition of each fatty acid methyl ester and content are in the sewer oil biofuel: oleic acid 60.1%, palmitinic acid 24.6%, Triple Pressed Stearic Acid 5.8%; Hexadecene acid 3.1%, LAURIC ACID 99 MIN 2.0%, tetradecanoic acid 1.8%; 20 carbon diluted acids 1.3%, arachidonic acid 0.5%, eicosanoic acid 0.5%.
3) the different material biofuel is allocated each other
At present, biofuel generally is the biofuel of a certain feedstock production and petrifaction diesel blending to be formed mixed oil use in practical application.The present invention is from the mixture of different raw material biofuel and the angle of petrifaction diesel blending, and the biofuel mix of research different material is in harmonious proportion with petrifaction diesel on this basis earlier.
Take all factors into consideration raw materials cost, the carbon chain lengths of biofuel fatty acid methyl ester, factors such as saturated and degree of unsaturation, the biofuel of different material preparation can be allocated according to following different proportion directional:
A. analyze the composition and the content of the biofuel fatty acid methyl ester of respectively originating, can find out that unsaturated fatty acids methyl esters content order from high to low is in the different material biofuel: tung oil＞rapeseed oil＞sewer oil＞Oleum Gossypii semen＞Oleum Cocois; And the content of saturated fatty acid methyl ester and unsaturated fatty acid content are just in time opposite.Saturated and the degree of unsaturation of fatty acid methyl ester in the biofuel has direct influence to the low-temperature fluidity and the oxidation stability of biofuel.It is reported, when saturated fatty acid content is high in the biofuel, help improving the low-temperature fluidity of biofuel; When the unsaturated fatty acids component content is high in the biofuel, help improving the oxidation stability of biofuel.From coordinating both angles, a kind of preferred proportioning is according to Oleum Cocois: rapeseed oil: Oleum Gossypii semen: tung oil: sewer oil=30: 15: 20: the ratio of 15: 20 (volume ratio) is allocated.
B. rapeseed oil is because the difference in bad border of growth can be divided into high erucic acid type and low erucic acid type.In the used raw material rapeseed oil of the present invention, the content of erucic acid is very low, belongs to low erucic acid type rapeseed oil.Moreover, to using being in great demand of edible oil, cause the price of rapeseed oil to be climbed to a higher point day by day in the market.Consider rapeseed oil to have the difference of type and do not have ubiquity, and the higher factor of Costco Wholesale, in this allotment experiment, do not study.From a kind of preferred proportioning of this angle be according to Oleum Cocois: Oleum Gossypii semen: tung oil: sewer oil=20: 30: 20: the ratio of 30 (volume ratios) is allocated.
C. Oleum Gossypii semen, tung oil, these several kinds of non-edible plant oil of sewer oil, there is not the problem of striving grain with the people in cheap than rapeseed oil, these edible oils of Oleum Gossypii semen as the raw material of preparation biofuel.Simultaneously, the unsaturated fatty acid content of Oleum Gossypii semen and sewer oil biofuel is close, about 60%-70%; And the unsaturated fatty acid content of tung oil biofuel has accounted for dominant position.From a kind of preferred proportioning of this angle be according to Oleum Gossypii semen: tung oil: the ratio of sewer oil=25: 50: 25 (volume ratio) is allocated.
4) mediation of biofuel and petrifaction diesel
The biodiesel blend of three kinds of ratio systems is incorporated in the 0# diesel oil with 100%, 30%, 20%, 10%, 0% ratio respectively, forms the mixed oil of three kinds of different ratioss, these several kinds of mixed oils are correspondingly represented B100, B30, B20, B10, B0.
5) mensuration of some key property of mixed oil
Abide by that GB/T265 measures respectively and the sulphur content of mixed oil B100, B30, B20, B10 and B0 relatively, the result sees table 1; Abide by that GBT5538-2005 measures respectively and the peroxide value of mixed oil B100, B30, B20, B10 and B0 relatively, the result sees table 2; Abide by that SH/T0248 measures respectively and the cold filter clogging temperature of mixed oil B100, B30, B20, B10 and B0 relatively, the result sees table 3.
The present invention allocates Research on effect each other through the biofuel that the different material preparation comes, and has solved the some shortcomings that biofuel exists in practical application to a great extent, makes the advantage of biofuel be able to give full play to.The present invention's conception is newer, has reached actual benefit, mainly has the following advantages:
One. the cost aspect:
1) raw materials cost reduces: the present invention utilizes renewable vegetables oil Oleum Cocois, rapeseed oil, Oleum Gossypii semen, tung oil as raw material, and the source of these raw materials is wide; Wherein, the use of Oleum Gossypii semen, tung oil, these several kinds of inedible oil of sewer oil has avoided striving with the people problem of grain.Sewer oil can also solve the waste oil problem of catering trade as the raw material of preparation biofuel, has purified emissions.The allotment of different material biofuel is used, and provides convenience for the undue dependence to certain raw material in the biofuel scale operation, has alleviated the restriction that scale operation is influenced by the places of origin of raw materials.
2) production cost reduces: the mutual allotment of biofuel and petrifaction diesel, operating process is simple.By contrast, production technique is simple, reduces production costs.
Two. aspect environmental protection: show that mainly sulphur content is low in the biofuel, make that the discharging of sulfurous gas and sulfide is low; Do not contain the aromatic series alkane that can pollute in the biofuel, thereby waste gas is lower than diesel oil to human body infringement to environment.Therefore, a certain amount of biofuel of admixture is used in mineral diesel, can reach good environmental protection effect.
Three. improve the aspect of performance of biofuel:, can improve the performance of biofuel better through the mutual allotment of different material biofuel and petrifaction diesel.
1) improves oxidation stability: when the content of pure biofuel unsaturated fatty acids is high, oxidized easily; Biofuel peroxide value after the mediation is obviously low than pure biofuel, and is favourable to long storage.
2) improve low-temperature fluidity: the cold filter clogging temperature of mediation artifact diesel oil is lower than petrifaction diesel, and low temperature flowability is better.
Embodiment
Below in conjunction with specific embodiment the present invention is described further.
Embodiment 1:
Take by weighing Oleum Gossypii semen 100g in the there-necked flask that has whipping appts, condensation reflux unit and TM, place and configure the about 65 ℃ constant temperature water bath apparatus of temperature.Get the NaOH of oil heavily about 1%, be dissolved in the anhydrous methanol, the mol ratio of anhydrous methanol and Oleum Gossypii semen is 6: 1.The anhydrous methanol of dissolving NaOH is mixed with Oleum Cocois, be about the about 2h of stirring reaction under the 600r/min at rotating speed.Change over to after reaction finishes in the separating funnel more than the static 8h, the upper strata is the biofuel bullion.Get upper strata biofuel bullion, evaporate down at 80 ℃ and remove unnecessary methyl alcohol.With the biofuel after the distillation washing evaporation for several times, until the washing water clear.Use anhydrous Na SO at last
4Remove redundant moisture, obtain the biofuel product after the filtration.
The preparation of Oleum Cocois biofuel, rapeseed oil biofuel, tung oil biofuel, sewer oil biofuel is with the Oleum Gossypii semen biofuel.
Embodiment 2:
30 volume parts Oleum Cocois biofuel, 15 volume parts rapeseed oil biofuel, 20 volume parts Oleum Gossypii semen biofuel, 15 volume parts tung oil biofuel and the 20 volume parts sewer oil biofuel of getting embodiment 1 place test tube 1 to carry out thorough mixing.This mixed biologic diesel oil is expressed as B100.The mixed biologic diesel oil of getting in the test tube 1 mixes by blending ratio 30%, 20%, 10%, 0% with mineral diesel respectively, forms mixed oil.Mixed oil correspondingly is expressed as B30, B20, B10, B0.
Abide by the sulphur content that GB380-77 measures mixed oil B100, B30, B20, B10 and B0 respectively; Abide by the peroxide value that GBT5538-2005 measures mixed oil B100, B30, B20, B10 and B0 respectively; Measure the cold filter clogging temperature of mixed oil B100, B30, B20, B10 and B0 respectively in accordance with SH/T0248.The mensuration result of its sulphur content, peroxide value, cold filter clogging temperature sees table 1-3.
Embodiment 3:
20 volume parts Oleum Cocois biofuel, 30 volume parts Oleum Gossypii semen biofuel, 20 volume parts tung oil biofuel and the 30 volume parts sewer oil biofuel of getting embodiment 1 place test tube 2 to carry out thorough mixing.This mixed biologic diesel oil is expressed as B100.The mixed biologic diesel oil of getting in the test tube 2 mixes by blending ratio 30%, 20%, 10%, 0% with mineral diesel respectively, forms mixed oil.Mixed oil correspondingly is expressed as B30, B20, B10, B0.
Abide by the sulphur content that GB380-77 measures mixed oil B100, B30, B20, B10 and B0 respectively; Abide by the peroxide value that GBT5538-2005 measures mixed oil B100, B30, B20, B10 and B0 respectively; Measure the cold filter clogging temperature of mixed oil B100, B30, B20, B10 and B0 respectively in accordance with SH/T0248.
The mensuration result of sulphur content, peroxide value, cold filter clogging temperature sees table 1-3.
Embodiment 4:
25 volume parts Oleum Gossypii semen biofuel, 50 volume parts tung oil biofuel and the 25 volume parts sewer oil biofuel of getting embodiment 1 place test tube 3 to carry out thorough mixing.This mixed biologic diesel oil is expressed as B100.The mixed biologic diesel oil of getting in the test tube 3 mixes by blending ratio 30%, 20%, 10%, 0% with mineral diesel respectively, forms mixed oil.Mixed oil correspondingly is expressed as B30, B20, B10, B0.
Abide by the sulphur content that GB380-77 measures mixed oil B100, B30, B20, B10 and B0 respectively; Abide by the peroxide value that GBT5538-2005 measures mixed oil B100, B30, B20, B10 and B0 respectively; Measure the cold filter clogging temperature of mixed oil B100, B30, B20, B10 and B0 respectively in accordance with SH/T0248.
The mensuration result of sulphur content, peroxide value, cold filter clogging temperature sees table 1-3.
Embodiment 5:
10 volume parts Oleum Cocois biofuel, 10 volume parts rapeseed oil biofuel, 10 volume parts Oleum Gossypii semen biofuel, 10 volume parts tung oil biofuel and the 10 volume parts sewer oil biofuel of getting embodiment 1 place test tube 3 to carry out thorough mixing.This mixed biologic diesel oil is expressed as B100.The mixed biologic diesel oil of getting in the test tube 3 mixes by blending ratio 30%, 20%, 10% with mineral diesel respectively, forms mixed oil.
Can find out that from table 1 this mediation is obviously low than 0# diesel oil with the sulphur content of biofuel, well below petrifaction diesel, environment protecting is better to the influence of Air quality in its burning.Can find out that from table 2 this mediation obviously reduces with the adding along with petrifaction diesel of the peroxide value of biofuel, has improved the oxidation stability of biofuel, and is favourable to its long storage.Can find out that from table 3 this mediation is lower than 0# diesel oil with the cold filter clogging temperature of biofuel, low temperature flowability is better.
Each routine sulphur content contrast table of table 1
Each routine peroxide value contrast table of table 2
Each routine cold filter clogging temperature contrast table of table 3
Claims (8)
1. biofuel is used in a mediation, it is characterized in that this mediation mainly is made up of Oleum Gossypii semen biofuel, tung oil biofuel and refining sewer oil biofuel with biofuel, and its volume ratio is 15～35: 10～60: 15～35.
2. biofuel is used in mediation according to claim 1, it is characterized in that this mediation also comprises the Oleum Cocois biofuel with biofuel, and wherein the volume ratio between Oleum Cocois biofuel and the Oleum Gossypii semen biofuel is 15～35: 15～35.
3. biofuel is used in mediation according to claim 2, it is characterized in that the volume ratio between described Oleum Cocois biofuel and the Oleum Gossypii semen biofuel is 20～30: 20～30.
4. biofuel is used in mediation according to claim 1, it is characterized in that this mediation also comprises the rapeseed oil biofuel with biofuel, and wherein the volume ratio of rapeseed oil biofuel and Oleum Gossypii semen biofuel is 10～25: 15～35.
5. biofuel is used in mediation according to claim 4, and the volume ratio that it is characterized in that described rapeseed oil biofuel and Oleum Gossypii semen biofuel is 15～20: 20～30.
6. use biofuel according to claim 1,2 or 4 described mediations; It is characterized in that described Oleum Cocois biofuel, rapeseed oil biofuel, Oleum Gossypii semen biofuel, tung oil biofuel and refining sewer oil biofuel; Be raw material with Oleum Cocois, rapeseed oil, Oleum Gossypii semen, tung oil and refining sewer oil respectively, adopt the base-catalyzed transesterification method to make.
7. biofuel is used in mediation according to claim 6, it is characterized in that in the base-catalyzed transesterification process, and employed catalyzer is NaOH, and employed low-carbon alcohol is a methyl alcohol.
8. biofuel is used in mediation according to claim 6, it is characterized in that in the base-catalyzed transesterification process, and molar ratio of methanol to oil is 5～20: 1, and temperature of reaction is 30～75 ℃, and the reaction times is 30min～5h.
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