RU2001130453A - The method of removing free fatty acids from fats and oils of biological origin or their steam distillates - Google Patents

The method of removing free fatty acids from fats and oils of biological origin or their steam distillates

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Publication number
RU2001130453A
RU2001130453A RU2001130453/13A RU2001130453A RU2001130453A RU 2001130453 A RU2001130453 A RU 2001130453A RU 2001130453/13 A RU2001130453/13 A RU 2001130453/13A RU 2001130453 A RU2001130453 A RU 2001130453A RU 2001130453 A RU2001130453 A RU 2001130453A
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RU
Russia
Prior art keywords
fatty acids
boiling point
water
extracted
free fatty
Prior art date
Application number
RU2001130453/13A
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Russian (ru)
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RU2242505C2 (en
Inventor
Зигфрид ПЕТЕР
Эккхард ВАЙДНЕР
Мартин ДРЕШНЕР
Вольфганг Кениг
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Зигфрид ПЕТЕР
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Publication date
Priority claimed from DE19918097A external-priority patent/DE19918097C2/en
Application filed by Зигфрид ПЕТЕР filed Critical Зигфрид ПЕТЕР
Publication of RU2001130453A publication Critical patent/RU2001130453A/en
Application granted granted Critical
Publication of RU2242505C2 publication Critical patent/RU2242505C2/en

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Claims (11)

1. Способ удаления свободных жирных кислот из жиров или масел биологического происхождения путем экстракции свободных жирных кислот смесью основных органических соединений азота с водой, которая применяется в качестве экстракционной среды при температуре ниже точки кипения основных органических соединений азота, и в которой содержание основных органических соединений азота не менее, чем, приблизительно, 20 вес.% и не более, чем, приблизительно, 60 вес.%, предпочтительно - между, примерно, 30 вес.% и, примерно, 40 вес.%, причем точка кипения применяемого(ых) основного(ых) соединения(ий) азота равна или превышает температуру кипения воды и ниже, чем точка кипения подлежащих экстракции жирных кислот.1. A method of removing free fatty acids from fats or oils of biological origin by extracting free fatty acids with a mixture of basic organic nitrogen compounds with water, which is used as an extraction medium at a temperature below the boiling point of basic organic nitrogen compounds, and in which the content of basic organic nitrogen compounds not less than about 20 wt.% and not more than about 60 wt.%, preferably between about 30 wt.% and about 40 wt.%, the boiling point being used The required basic nitrogen compound (s) is equal to or higher than the boiling point of water and lower than the boiling point of the fatty acids to be extracted. 2. Способ по п.1, отличающийся тем, что основное(ые) соединение(я) азота из полученного экстракцией рафинированного жира или масла экстрагируют при помощи воды или водных растворов летучих кислот.2. The method according to claim 1, characterized in that the main compound (s) of nitrogen from the obtained refined fat or oil by extraction is extracted with water or aqueous solutions of volatile acids. 3. Способ по п.1 или 2, отличающийся тем, что при раскислении жиров и масел, в которых содержание свободных жирных кислот составляет, приблизительно, 50 вес.% или более, к исходным материалам, подлежащим раскислению, добавляют алканы и/или эфир, в частности - ацетат, в концентрации, достаточной для разделения на две фазы системы, включающей экстракционную среду, алкан и исходный материал.3. The method according to claim 1 or 2, characterized in that during the deoxidation of fats and oils in which the content of free fatty acids is approximately 50 wt.% Or more, alkanes and / or ether are added to the starting materials to be deoxidized in particular acetate, in a concentration sufficient to separate the system into two phases, including the extraction medium, alkane and the starting material. 4. Способ удаления свободных жирных кислот из паровых дистиллятов жиров или масел биологического происхождения, который включает следующие стадии: экстракцию свободных жирных кислот смесью основных органических соединений азота и воды, применяемой в качестве экстракционной среды при температуре ниже точки кипения основных органических соединений азота, причем содержание основных органических соединений азота в экстракционной среде составляет, минимально, приблизительно 40 вес. % и максимально - около 60 вес.%, предпочтительно - около 50 вес.% или более, и точка кипения применяемого(ых) основного(ых) органического(их) соединения(й) азота равна или превышает точку кипения воды и ниже точки кипения подлежащих экстракции жирных кислот, и добавление 1 - 4 частей, предпочтительно - 2 - 4 частей алкана и/или эфира, в частности - ацетата, к 1 части жидкой гомогенной смеси, полученной на предшествующей экстракционной стадии.4. A method of removing free fatty acids from steam distillates of fats or oils of biological origin, which includes the following stages: extraction of free fatty acids with a mixture of basic organic nitrogen and water compounds used as an extraction medium at a temperature below the boiling point of basic organic nitrogen compounds, the content basic organic nitrogen compounds in the extraction medium is at least approximately 40 weight. % and maximally about 60 wt.%, preferably about 50 wt.% or more, and the boiling point of the used basic (s) organic (s) nitrogen compound (s) is equal to or greater than the boiling point of water and below the boiling point fatty acids to be extracted, and adding 1 to 4 parts, preferably 2 to 4 parts, of alkane and / or ether, in particular acetate, to 1 part of a homogeneous liquid mixture obtained in the previous extraction step. 5. Способ по п.3 или 4, отличающийся тем, что основное(ые) соединение(я) азота из фазы алкана и/или фазы эфира экстрагируют при помощи воды или водных растворов летучих кислот.5. The method according to claim 3 or 4, characterized in that the main nitrogen compound (s) from the alkane phase and / or the ether phase are extracted with water or aqueous solutions of volatile acids. 6. Способ по одному из п.2 или 5, отличающийся тем, что основное(ые) соединение(я) азота, растворенные в воде или в водных растворах летучих кислот после экстракционной стадии, извлекают при помощи дистилляции.6. The method according to one of claim 2 or 5, characterized in that the basic nitrogen compound (s) dissolved in water or in aqueous solutions of volatile acids after the extraction step is recovered by distillation. 7. Способ по одному из пп.3-6, отличающийся тем, что применяемым алканом является пропан, бутан, пентан, гексан, гептан, гептановая фракция, октан или их смеси.7. The method according to one of claims 3 to 6, characterized in that the alkane used is propane, butane, pentane, hexane, heptane, heptane fraction, octane or mixtures thereof. 8. Способ по одному из пп.3-7, отличающийся тем, что применяемым эфиром является этилацетат, пропилацетат, бутилацетат или их смеси.8. The method according to one of claims 3 to 7, characterized in that the ether used is ethyl acetate, propyl acetate, butyl acetate or mixtures thereof. 9. Способ по любому из предыдущих пунктов, отличающийся тем, что экстрагированные жирные кислоты извлекают из экстракционной среды путем дистилляции экстракционной среды, содержащей жирные кислоты, при атмосферном или при пониженном давлении.9. The method according to any one of the preceding paragraphs, characterized in that the extracted fatty acids are extracted from the extraction medium by distillation of the extraction medium containing fatty acids under atmospheric or reduced pressure. 10. Способ по одному из предыдущих пунктов, отличающийся тем, что применяемыми основными соединениями азота являются третичные амины.10. The method according to one of the preceding paragraphs, characterized in that the main nitrogen compounds used are tertiary amines. 11. Способ по одному из предыдущих пунктов, отличающийся тем, что в качестве основного органического соединения азота применяются 2-диметиламиноэтанол, 2-метиламинодиэтанол, 4-метилморфолин, 2-диизопропиламиноэтанол, 2-дибутиламиноэтанол, 3-диметиламинопропанол, 1-диметиламино-2-пропанол, 2-диметиламиноэтанол, 2-метиламино-1-бутанол, 2-(метилэтиламино)этанол, диметилформамид, морфолин, пиридин, 2-диметиламино-2-метил-1-пропанол, 4-метилпиридин, 1-метилпиррол, 2-дибутиламиноэтанол, 2-диметиламиноэтиламин, моноэтаноламин, 3-диметиламино-1-пропанол, диметиламино-2-пропанон, 1-диметиламино-1-пропиленамин, или смеси этих соединений.11. The method according to one of the preceding paragraphs, characterized in that 2-dimethylaminoethanol, 2-methylaminodiethanol, 4-methylmorpholine, 2-diisopropylaminoethanol, 2-dibutylaminoethanol, 3-dimethylaminopropanol, 1-dimethylamino-2- are used as the main organic nitrogen compound. propanol, 2-dimethylaminoethanol, 2-methylamino-1-butanol, 2- (methylethylamino) ethanol, dimethylformamide, morpholine, pyridine, 2-dimethylamino-2-methyl-1-propanol, 4-methylpyridine, 1-methylpyrrole, 2-dibutylaminoethanol , 2-dimethylaminoethylamine, monoethanolamine, 3-dimethylamino-1-propanol, di etilamino-2-propanone, 1-dimethylamino-1-propilenamin, or mixtures of these compounds.
RU2001130453/13A 1999-04-21 2000-04-18 Method for removing free fatty acids from fat and oil of biological origin or their vapor distillate (variants) RU2242505C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19918097.0 1999-04-21
DE19918097A DE19918097C2 (en) 1999-04-21 1999-04-21 Process for removing free fatty acids from fats and oils of biological origin or their damper condensates

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RU2001130453A true RU2001130453A (en) 2003-07-10
RU2242505C2 RU2242505C2 (en) 2004-12-20

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US (1) US6579996B2 (en)
EP (1) EP1171555B1 (en)
JP (1) JP3711023B2 (en)
CN (1) CN1133736C (en)
AR (1) AR023552A1 (en)
AT (1) ATE269387T1 (en)
AU (1) AU756898B2 (en)
BR (1) BR0009895A (en)
CA (1) CA2370785A1 (en)
DE (2) DE19918097C2 (en)
DK (1) DK1171555T3 (en)
ES (1) ES2218150T3 (en)
IL (1) IL145977A (en)
MX (1) MXPA01010698A (en)
PL (1) PL350431A1 (en)
RU (1) RU2242505C2 (en)
TR (1) TR200103038T2 (en)
UA (1) UA71958C2 (en)
WO (1) WO2000063327A2 (en)

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