CN102212415A - Biodiesel prepared from Idesia polycarpa var.vestita Diels oil and preparation method thereof - Google Patents

Biodiesel prepared from Idesia polycarpa var.vestita Diels oil and preparation method thereof Download PDF

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CN102212415A
CN102212415A CN2011101040746A CN201110104074A CN102212415A CN 102212415 A CN102212415 A CN 102212415A CN 2011101040746 A CN2011101040746 A CN 2011101040746A CN 201110104074 A CN201110104074 A CN 201110104074A CN 102212415 A CN102212415 A CN 102212415A
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oil
idesia polycarpa
solid acid
biofuel
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CN102212415B (en
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刘长根
冯义高
秦丹
陈建文
刘剑
冯磊
刘怡
肖雄
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Guangdong Dingfeng Ecological Agriculture Development Co ltd
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刘长根
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

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Abstract

The invention discloses biodiesel prepared by performing ester exchange reaction on the Idesia polycarpa var.vestita Diels oil and low-carbon alcohol under catalysis of solid acid serving as a catalyst. A process method and condition of the biodiesel comprise the following steps of: hydrating to degum; performing alkali refining to deacidify; decoloring; performing reaction under the catalysis of the solid acid; and separating. The Idesia polycarpa var.vestita Diels with high yield and good oil quality is developed and utilized, so that the raw material cost is effectively reduced. In particular, when the yield of the Idesia polycarpa var.vestita Diels in the initial period cannot reach the scale, the Idesia polycarpa var.vestita Diels oil is utilized so as to contribute to development of the Idesia polycarpa var.vestita Diels, enlarge planting area and contribute to increasing farmer income. The biodiesel is prepared by using the solid acid Zr(SO4)2.4H2O, so a series of troubles, such as equipment corrosion, potential safety hazard, environmental pollution and the like, caused by the traditional strong acid method are avoided, recovery rate is high, reaction time is short, and cost is reduce.

Description

With Idesia polycarpa oil preparation biofuel and method for making thereof
Technical field
The present invention relates to prepare biodiesel technology with vegetables oil, particularly a mao leaf Oleum Verniciae fordii is produced biofuel and preparation method thereof through solid acid catalysis.
Technical background
The diesel oil that uses in a large number belong to non-renewable resource, and its stock number allows more and more people worry as the diesel oil of refining of petroleum at present.In production, processing and the use of this class diesel oil, the eubiosis of physical environment is being deposited immeasurable recessiveness and directly threat, become one of outstanding problem in the current global warming Greenhouse effect.It is extremely low that biofuel has sulphur content, and aromatic hydrocarbon content is few, oxygen level height, the characteristics that the waste gas effusion is few.The development biofuel is of value to preserves the ecological environment.The development and use biofuel meets the requirement of developing a circular economy with Sustainable development.Developing wild oilseed plant is one of important topic of following sustainable development of China.Because China is populous, should not use the edible fat production biofuel.So domestic universities and colleges, R﹠D institution, company and enterprise etc. have carried out one after another curcas oil, Zanthoxylum simulans oil, rubber seed oil, Oleum Gossypii semen, wilson dogwood oil, coptis root wood oil, seeds of a tung oil tree wet goods have been developed research.Find in the practice that also there is such or such problem in these species, as: yield poorly; Stock number is limited; Plantation is subjected to region restriction etc.Through relevant expert's estimation, China's its raw materials cost of development biofuel accounts for 70% of biofuel total cost, makes it to become a big bottleneck of biofuel industry development.Qin Dan, Liu Changgen in 2008 etc. have delivered " new way---the Idesia polycarpa of development biomass energy " in the international renewable energy resources in Guangzhou scientific seminar, introduced the research and development and the planting technology situation of Idesia polycarpa.Liu Changgen, Qin Dan etc. have obtained national inventing patent (ZL200410081444.9).Successfully solve wild Idesia polycarpa difficulty and bred problem.These provide solid foundation for developing Idesia polycarpa and then production biofuel.
The production of biofuel mainly is chemical catalysis, secondly is catalyzed by biological enzyme and supercutical fluid method.In order to improve the deficiency in the chemical catalysis, produced the method for solid catalyst.Solid catalyst separates with product than being easier to, and reaction conversion ratio is higher, and the process of producing of biofuel is comparatively simple.
So far, with what Idesia polycarpa oil preparation biofuel was applied for a patent three families are arranged; " a kind of water white gourd oil prepares method of bio-diesel oil " of Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology (ZL20061015380.0).Its method is equipped with biofuel for the base-catalyzed transesterification legal system; (ZL200610042737.5) its method is under the basic catalyst condition to Chu, stirs and carries out esterification in 30~60 minutes great " preparation method of bio-diesel oil by the water white gourd oil "; (number of patent application: 200810046195.8), its method is a catalyzed by solid base to " with catalyzed by solid base Idesia polycarpa oil preparation method of bio-diesel oil " of Song Hang etc.More than the common ground of three patents all be base catalysis Idesia polycarpa oil.The actual state of China's Idesia polycarpa development: fundamentally, have only one or two tame enterprise few in number to pass through the effort of more than ten years, implemented the establishing in large scale Idesia polycarpa, accomplished just that also the Idesia polycarpa examination of part artificial culture is spent, born fruit.But the scale that reaches also needs certain time; Have, it is also more unrealistic that above-mentioned three inventions are produced biofuel by wild Idesia polycarpa oil fully again.
Summary of the invention:
The present invention be directed to above-mentioned deficiency and China's biofuel development need, and reduce the reality of raw material production cost, propose to produce the biofuel method.The present invention is on the research of Idesia polycarpa having been carried out more than ten years and plantation basis, according to the actual process amount of the exploitation of Idesia polycarpa oil, proposed to help promoting the biofuel development, especially make at the Idesia polycarpa industry development initial stage, can not be applied when output does not reach scale, this can transfer the enthusiasm of vast farmers plantation Idesia polycarpa.Make that vast farmers can the establishing in large scale oilseed plant, obtain high economic benefit and do not occupy cultivated land again, help solving well the problem in the agriculture, rural areas and farmers.Promote the Sustainable development of biofuel industry.
What the present invention was different with them is exactly self to research and develop on the Idesia polycarpa basis of more than ten years, and the technical scheme of proposition is with solid acid catalysis Idesia polycarpa oil production biofuel.This will help promoting the large-scale development of Idesia polycarpa.
Concrete scheme of the present invention is to make raw material with Idesia polycarpa oil, prepares biofuel through acid catalysis.Described acid is solid acid Zr (SO4) 24H2O.
A kind of processing step and condition with solid acid catalysis Idesia polycarpa oil preparation biofuel is as follows:
(1) hydration degum: Idesia polycarpa oil is heated to 60-69.5 ℃, add weight of oil 6.1-8% and the synthermal water of oil phase, carry out hydration degum 35-45min;
(2) alkali-refining deacidification: the oil after will coming unstuck carries out after drying dewaters, heating and control oil temperature are at 60-75 ℃, stir the heavy 5-6% of adding oil down, concentration is sodium carbonate solution or the sodium hydroxide solution of 18-20%. or any alkali-refining deacidification 30-49min that carries out in the potassium hydroxide solution;
(3) decolouring: the oil behind the alkali refining adds the activation 1.2-2h atlapulgite under 160 ℃ in advance of pressing weight of oil 5-6%, decolouring 30-40min under 65-80 ℃ temperature;
(4) solid acid catalysis reaction: add alcohol, molar equivalent 5.5: 1--10 in the oil of decolouring back: 1 low-carbon alcohol.Catalyzer Zr (SO4) 24H2O that adds the heavy 1.5-3% of decolouring back oil again; Temperature is 60-80 ℃; Time is 1.5--3h;
(5) separate: reclaim unreacted low-carbon alcohol, Zr (SO4) 24H2O, glycerine and biofuel.
The solid acid that aforesaid method uses is Zr (SO4) 24H2O, and low-carbon alcohol is a methyl alcohol. ethanol. and any in the Virahol.
The present invention has following characteristics compared with the prior art:
1) because adopting solid acid Zr (SO4) 24H2O to produce biofuel, the present invention avoids a series of troublesome problem of using traditional strong acid method to bring, as: equipment corrosion; Potential safety hazard; Contaminate environment etc.;
2) because the present invention adopts solid acid Zr (SO4) 24H2O to produce biofuel the rate of recovery is improved, the reaction times shortens, and has reduced cost.
Embodiment
Be described further below in conjunction with implementing illustration, should point out that especially following examples can not be interpreted as limiting the scope of the invention.The one skilled in the art still belongs to protection domain of the present invention according to the invention described above content to some nonessential improvement or the adjustment that the present invention did.
Embodiment one:
(1) hydration degum; 101.05g Idesia polycarpa oil under 60 ℃ of conditions, is added oil and weighs 7.1% equal temperature water, carry out hydration degum 39min;
(2) alkali-refining deacidification: the oil drying after will coming unstuck dewaters, and heats and controls to 75 ℃, stirs to add oil down and weigh 6%, and concentration is that 20% sodium hydroxide solution carries out alkali-refining deacidification 38min;
(3) decolouring; Oil behind the alkali refining adds oil and weighs 6% and pre-atlapulgite prior to activating 1.5h down at 160 ℃, decolouring 40min under 75 ℃.
(4) solid acid catalysis reaction: with the oil after the 75.05g decolouring and 18.20g methyl alcohol (alcohol. molar equivalent: 6: 1) mixes after, oily 2.0% catalyzer Zr (SO4) 24H2O that weighs of adding is 65 ℃ of lower magnetic force stirring reaction 2h in temperature again.
(5) separate: after reaction finished, unreacted methanol was reclaimed in distillation, filters to isolate the renewable repeated use of catalyzer, then filtrate is poured into standing demix in the separating funnel, and the upper strata is a biofuel, and lower floor is a glycerine.This example biofuel yield 84.9%.
Embodiment two:
(1) hydration degum; With the Idesia polycarpa weight of oil is that 70.03g heats under 70 ℃ of conditions, adds oil and weighs 7% equal temperature water, carries out hydration degum 40min;
(2) alkali-refining deacidification: the oil drying after will coming unstuck dewaters, heat and control under 75 ℃ of stirrings add oil heavy 5.5%, concentration is that 18% sodium carbonate solution carries out alkali-refining deacidification 45min;
(3) decolouring; Mixing oil behind the alkali refining under 75 ℃, add oil weigh 7% and in advance prior to 160 ℃ of atlapulgites of activation 1.5h down, decolouring 40min;
(4) solid acid catalysis reaction: with the ethanol of the oil after the 51.13g decolouring and 25.43g (alcohol. molar equivalent: 9: 1) mix after, add oil again and weigh 1.8% solid acid catalyst Zr (SO4) 24H2O, temperature is controlled at 60 ℃ of temperature condition lower magnetic forces and stirs, reaction 2h.
(5) separate: after reaction finished, unreacted ethanol was reclaimed in distillation, isolates the renewable repeated use of solid acid catalyst, then filtrate is poured into standing demix in the separating funnel, and the upper strata is a biofuel, and lower floor is a glycerine.This example biofuel yield 84.3%.
Embodiment three:
(1) hydration degum; 79.53g is controlled under 60 ℃ of conditions with Idesia polycarpa oil, adds oil and weighs 8% equal temperature water, carries out hydration degum 40min;
(2) alkali-refining deacidification: the oil drying after will coming unstuck dewaters, and heats and controls to 75 ℃, stir add down oil heavy 7%, concentration is that 19% sodium carbonate solution carries out alkali-refining deacidification 45min;
(3) decolouring; Oil behind the alkali refining under 75 ℃, add oil weigh 7% and in advance prior to 160 ℃ of atlapulgites of activation 1.5h down, decolouring 25min;
(4) solid acid catalysis reaction: with the oil after the 51.04g decolouring with after 12.26g methyl alcohol (molar ratio of methanol to oil: 5.5: 1) mixes, solid acid catalyst Zr (SO4) 24H2O that adds weight of oil 1.5% again, temperature is controlled at 70 ℃ of temperature condition lower magnetic forces and stirs, reaction 2h.
(5) separate: after reaction finished, unreacted methanol was reclaimed in distillation, isolates the renewable repeated use of solid acid catalyst, then filtrate is poured into standing demix in the separating funnel, and the upper strata is a biofuel, and lower floor is a glycerine.This example biofuel yield 85.6%.
Embodiment four:
(1) hydration degum; 79.53g is controlled under 65 ℃ of conditions with Idesia polycarpa oil, adds oil and weighs 8% equal temperature water, carries out hydration degum 40min;
(2) alkali-refining deacidification: the oil drying after will coming unstuck dewaters, and heats and controls to 75 ℃, stir add down oil heavy 7%, concentration is that 18% potassium hydroxide solution carries out alkali-refining deacidification 45min;
(3) decolouring; Oil behind the alkali refining under 75 ℃, add oil weigh 7% and in advance prior to 160 ℃ of atlapulgites of activation 1.5h down, decolouring 25min;
(4) solid acid catalysis reaction: with the oil after the 51.04g decolouring with after 12.26g methyl alcohol (molar ratio of methanol to oil: 5.5: 1) mixes, solid acid catalyst Zr (SO4) 24H2O that adds weight of oil 1.5% again, temperature is controlled at 70 ℃ of temperature condition lower magnetic forces and stirs, reaction 2h.
(5) separate: after reaction finished, unreacted methanol was reclaimed in distillation, isolates the renewable repeated use of solid acid catalyst, then filtrate is poured into standing demix in the separating funnel, and the upper strata is a biofuel, and lower floor is a glycerine.This example biofuel yield 84.6%.

Claims (2)

1. a biofuel of producing through acid catalysis with Idesia polycarpa oil is characterized in that described sour solid acid, and described solid acid is Zr (so4) 2.4h2O.
2. the processing step and the condition that prepare biofuel with Idesia polycarpa oil through solid acid catalysis:
(1) hydration degum; Idesia polycarpa oil is heated to 60-69.5 ℃, add the heavy 6.1-8% of oil with the synthermal water of oil phase, carry out hydration degum 35-45min;
(2) alkali-refining deacidification; Oil after will coming unstuck carries out after drying dewaters, and heating also control oil temperature stirs at 65-80 ℃ that to add the heavy 5-6% concentration of oil down be sodium hydroxide or the yellow soda ash of 18-20%. or potassium hydroxide solution carries out alkali-refining deacidification 25-39min;
(3) decolouring: the oil behind the alkali refining adds the atlapulgites of activation 1.2-2h under 160 ℃ in advance of the heavy 6-7% of oil, decolouring 30-40min under 60-80 ℃;
(4) solid acid catalysis reaction: (alcohol, molar equivalent are 5.5: 1-10: 1) low-carbon alcohol to add it in the bleached oil, solid acid catalyst Zr (SO4) 24H2O of the heavy 1.5-3% of oil is joined in oil, the pure mixed solution, and temperature is controlled under the 70-85 ℃ of condition and stirs 3-5h.Described low-carbon alcohol can be a methyl alcohol. ethanol. and any in the Virahol;
(5) separate: reclaim low-carbon alcohol, solid acid catalyst Zr (SO4) 24H2O, glycerine and biofuel.
CN2011101040746A 2011-04-26 2011-04-26 Biodiesel prepared from Idesia polycarpa var.vestita Diels oil and preparation method thereof Expired - Fee Related CN102212415B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106867682A (en) * 2017-03-10 2017-06-20 四川森迪科技发展股份有限公司 A kind of method that biodiesel is prepared with idesia polycarpa oil
CN109554218A (en) * 2018-10-12 2019-04-02 贵州航天乌江机电设备有限责任公司 The technique of fat-soluble compound in a kind of supercritical fluid extraction idesia
CN113736562A (en) * 2021-09-02 2021-12-03 重庆大学 Deacidifying process method for vegetable insulating oil by taking jatropha curcas oil as raw material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687314A (en) * 2005-04-27 2005-10-26 莫春礼 Technique for producing biologic diesel oil through obsolete animal and vegetable oils in high acid value
CN101358141A (en) * 2008-09-28 2009-02-04 四川省国政生物质能源科技发展股份有限公司 Method for preparing bio diesel oil by idesia polycarpa maxim. var. vestita diels oil catalysis using solid base as catalyst

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687314A (en) * 2005-04-27 2005-10-26 莫春礼 Technique for producing biologic diesel oil through obsolete animal and vegetable oils in high acid value
CN101358141A (en) * 2008-09-28 2009-02-04 四川省国政生物质能源科技发展股份有限公司 Method for preparing bio diesel oil by idesia polycarpa maxim. var. vestita diels oil catalysis using solid base as catalyst

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106867682A (en) * 2017-03-10 2017-06-20 四川森迪科技发展股份有限公司 A kind of method that biodiesel is prepared with idesia polycarpa oil
CN109554218A (en) * 2018-10-12 2019-04-02 贵州航天乌江机电设备有限责任公司 The technique of fat-soluble compound in a kind of supercritical fluid extraction idesia
CN113736562A (en) * 2021-09-02 2021-12-03 重庆大学 Deacidifying process method for vegetable insulating oil by taking jatropha curcas oil as raw material

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