RU2002115817A - The method of obtaining alkyl esters of fatty acids - Google Patents

The method of obtaining alkyl esters of fatty acids

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Publication number
RU2002115817A
RU2002115817A RU2002115817/04A RU2002115817A RU2002115817A RU 2002115817 A RU2002115817 A RU 2002115817A RU 2002115817/04 A RU2002115817/04 A RU 2002115817/04A RU 2002115817 A RU2002115817 A RU 2002115817A RU 2002115817 A RU2002115817 A RU 2002115817A
Authority
RU
Russia
Prior art keywords
fatty acids
mixture
transesterification
alkyl esters
triglycerides
Prior art date
Application number
RU2002115817/04A
Other languages
Russian (ru)
Other versions
RU2287519C2 (en
Inventor
Михель КОНКАР
Мартин Миттельбах
Хельмут ГЁССЛЕР
Вильгельм Хаммер
Original Assignee
Бедеи Анлагенбау Гезельшафт Мбх
Михель КОНКАР
Мартин Миттельбах
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AT0169900A external-priority patent/ATA16992000A/en
Application filed by Бедеи Анлагенбау Гезельшафт Мбх, Михель КОНКАР, Мартин Миттельбах filed Critical Бедеи Анлагенбау Гезельшафт Мбх
Publication of RU2002115817A publication Critical patent/RU2002115817A/en
Application granted granted Critical
Publication of RU2287519C2 publication Critical patent/RU2287519C2/en

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Claims (7)

1. Способ получения алкиловых эфиров жирных кислот путём переэтерификации, в частности, путём каталитической переэтерификации, смеси триглицеридов и жирных кислот, при этом в реакционной смеси, где осуществляется переэтерификация, образуются эфирная фаза, содержащая алкиловые эфиры жирных кислот, и глицериновая фаза, содержащая жирные кислоты, которые отделяются друг от друга, жирные кислоты выделяются из глицериновой фазы и образуется фаза жирных кислот, содержащая жирные кислоты, которые этерифицируют спиртом, отличающийся тем, что фазу жирных кислот дополнительно смешивают со смесью триглицеридов и жирных кислот и жирные кислоты, содержащиеся в полученной смеси, этерифицируют спиртом, при этом получают этерификационную смесь, содержащую триглицериды и алкиловые эфиры жирных кислот, и эту этерификационную смесь подвергают переэтерификации спиртом для получения дополнительного количества алкиловых эфиров жирных кислот.1. A method of producing alkyl esters of fatty acids by transesterification, in particular by catalytic transesterification, a mixture of triglycerides and fatty acids, while in the reaction mixture, where the transesterification is carried out, an ether phase containing alkyl esters of fatty acids and a glycerin phase containing fatty acids are formed acids that are separated from each other, fatty acids are released from the glycerol phase and a fatty acid phase is formed containing fatty acids that are esterified with alcohol, characterized in that fatty acids are additionally mixed with a mixture of triglycerides and fatty acids, and the fatty acids contained in the resulting mixture are esterified with alcohol, and an esterification mixture containing triglycerides and fatty acid alkyl esters is obtained, and this esterification mixture is transesterified with alcohol to obtain an additional amount of alkyl esters fatty acids. 2. Способ по п.1, отличающийся тем, что перед стадией переэтерификации этерификационную смесь этерифицируют спиртом в течение дополнительного промежутка времени.2. The method according to claim 1, characterized in that prior to the transesterification step, the esterification mixture is esterified with alcohol for an additional period of time. 3. Способ по п.1 или 2, отличающийся тем, что смесь триглицеридов и жирных кислот, смешиваемая с фазой жирных кислот, характеризуется содержанием жирных кислот, равным по меньшей мере 5% вес.3. The method according to claim 1 or 2, characterized in that the mixture of triglycerides and fatty acids mixed with the phase of fatty acids is characterized by a fatty acid content of at least 5% by weight. 4. Способ по п.3, отличающийся тем, что смесь триглицеридов и жирных кислот, смешиваемая с фазой жирных кислот, характеризуется содержанием жирных кислот, равным по меньшей мере 10 вес.%.4. The method according to claim 3, characterized in that the mixture of triglycerides and fatty acids mixed with the phase of fatty acids is characterized by a fatty acid content of at least 10 wt.%. 5. Способ по любому из пп.1-4, отличающийся тем, что переэтерификацию осуществляют в присутствии кислых катализаторов.5. The method according to any one of claims 1 to 4, characterized in that the transesterification is carried out in the presence of acidic catalysts. 6. Способ по любому из пп.1-5, отличающийся тем, что переэтерификацию осуществляют в присутствии щелочных катализаторов.6. The method according to any one of claims 1 to 5, characterized in that the transesterification is carried out in the presence of alkaline catalysts. 7. Способ по любому из пп.1-6, отличающийся тем, что для переэтерификации и этерификации в качестве спирта применяют метанол или этанол.7. The method according to any one of claims 1 to 6, characterized in that methanol or ethanol is used as the alcohol for transesterification and esterification.
RU2002115817/04A 2000-10-05 2001-10-05 Fatty acid lower alkyl ester production process RU2287519C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0169900A ATA16992000A (en) 2000-10-05 2000-10-05 METHOD FOR PRODUCING FATTY ACID ALKYL ESTERS
ATA1699/2000 2000-10-05

Publications (2)

Publication Number Publication Date
RU2002115817A true RU2002115817A (en) 2003-12-27
RU2287519C2 RU2287519C2 (en) 2006-11-20

Family

ID=3688690

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002115817/04A RU2287519C2 (en) 2000-10-05 2001-10-05 Fatty acid lower alkyl ester production process

Country Status (20)

Country Link
US (1) US6696583B2 (en)
EP (1) EP1322588B1 (en)
JP (1) JP2004510044A (en)
CN (2) CN1392873A (en)
AT (1) ATA16992000A (en)
AU (1) AU9146601A (en)
BR (1) BR0107288A (en)
CA (1) CA2392723C (en)
CZ (1) CZ298652B6 (en)
DK (1) DK1322588T3 (en)
EE (1) EE200200289A (en)
ES (1) ES2593283T3 (en)
HU (1) HUP0204190A3 (en)
LT (1) LT1322588T (en)
NZ (1) NZ519001A (en)
PL (1) PL206658B1 (en)
RU (1) RU2287519C2 (en)
SK (1) SK287690B6 (en)
WO (1) WO2002028811A1 (en)
ZA (1) ZA200203786B (en)

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