发明名称 |
СПОСОБ ПОЛУЧЕНИЯ СМЕСИ ВЫСШИХ НЕНАСЫЩЕННЫХ ЖИРНЫХ КИСЛОТ |
摘要 |
FIELD: fat-and-oil industry. ^ SUBSTANCE: invention provides a method for preparing higher unsaturated fatty acid mixture for use in food processing, varnish-and-paint, and other industries. Method comprises distillation of fat feedstock, in particular sunflower oil, at 230-260°C and pressure 0.12-0.8 KPa to give distillate with acid number 130-160 mg KOH/g and subsequent reagent-free hydrolysis of distillate under autoclaving conditions (217-225°C and 2.0-2.5 MPa) for 3-4 h at fat-to-oil ratio 1:0.5. Method has following advantages: specific consumption of oils to prepare higher unsaturated fatty acid mixture is reduced by a factor 3-5; product preparation technology simplified owing to lesser number of process steps (from 3 to 2); total time of high-temperature action on far feedstock is reduced excepting second period of reagent-free hydrolysis; process is made wasteless because of elimination of bottom residues (goudrons) upon distillation of fatty acid. ^ EFFECT: enhanced process efficiency. ^ 2 tbl, 2 ex |
申请公布号 |
RU2004108942(A) |
申请公布日期 |
2005.09.27 |
申请号 |
RU20040108942 |
申请日期 |
2004.03.23 |
申请人 |
Государственное научное учреждение "Всероссийский научно-исследовательский институт жиров" Российской академии сельскохоз йственный наук (ВНИИЖ) (RU) |
发明人 |
Губанов Александр Владимирович (RU);Постолов Юрий Михайлович (RU);Лисицын Александр Николаевич (RU);Климова Надежда Петровна (RU);Рафальсон Александр Бергович (RU);Губанов Сергей Александрович (RU) |
分类号 |
C11C1/04;C07C57/02;C07C57/12;C11C1/10 |
主分类号 |
C11C1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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