公开(公告)号：US08048462B2

公开(公告)日：2011-11-01

申请号：US12278813

申请日：2007-01-31

申请人： Gerd Brunner ,  Kai Gast ,  Meng-Han Chuang ,  Sendil Kumar ,  Philip Chan ,  Wan Ping Chan

发明人： Gerd Brunner ,  Kai Gast ,  Meng-Han Chuang ,  Sendil Kumar ,  Philip Chan ,  Wan Ping Chan

IPC分类号： A23D9/007

CPC分类号： B01D15/00 ,  B01D11/0403 ,  B01D11/0407 ,  B01D11/0426 ,  B01D11/0492 ,  B01J20/103 ,  C11B1/104 ,  Y02P20/544

摘要： From palm oil, valuable compounds like the tocochromanols, carotenoids, phytosterols and other can be derived in the new process. Fractions derived from crude palm oil, already enriched to some extent in tocochromanols, carotenoids, phytosterols, and others, are treated by supercritical fluid technology in a unique combination of counter current separation with selective adsorption and desorption using supercritical fluids.

摘要翻译： 从棕榈油中，可以在新工艺中得到有价值的化合物，如二氢色素，类胡萝卜素，植物甾醇等。 已经在一定程度上富集于苯并二氢吡喃，类胡萝卜素，植物甾醇等粗制棕榈油的馏分以超临界流体技术以相对电流分离与使用超临界流体的选择性吸附和解吸的独特组合进行处理。

公开(公告)号：US20090155434A1

公开(公告)日：2009-06-18

申请号：US12278813

申请日：2007-01-31

申请人： Gerd Brunner ,  Kai Gast ,  Meng-Han Chuang ,  Sendil Kumar ,  Philip Chan ,  Wan Ping Chan

发明人： Gerd Brunner ,  Kai Gast ,  Meng-Han Chuang ,  Sendil Kumar ,  Philip Chan ,  Wan Ping Chan

IPC分类号： A23D9/02

CPC分类号： B01D15/00 ,  B01D11/0403 ,  B01D11/0407 ,  B01D11/0426 ,  B01D11/0492 ,  B01J20/103 ,  C11B1/104 ,  Y02P20/544

摘要： From palm oil valuable compounds like the tocochromanols, carotenoids, phytosterols, and others can be derived. Enrichment to highly concentrated fractions is hindered by the enormous number of components involved, the very low volatility, the very low solubility of many of the compounds in organic solvents, and the high viscosity of the mixtures to be processed. Starting materials for the new process are enriched fractions of tocochromanols (about 20 to about 50 wt.-%) and/or carotenoids (about 10 to 30 wt.-%) from palm oil obtained by conventional processes, or by counter current multistage processes with supercritical carbon dioxide. These processes, not addressed here, may comprise: Removal of free fatty acids, transesterification of the triglycerides to methyl or ethyl esters, removal of the esters, e.g. by short path distillation, separation of the tocochromanol fraction from the carotenoid fraction by cooling. In the new process, fractions derived from crude palm oil, already enriched to some extent in tocochromanols, carotenoids, phytosterols, and others, are being treated by supercritical fluid technology in a unique combination of counter current separation with selective adsorption and desorption using supercritical fluids. A first enrichment, comprising one or more separation steps by application of a near critical or a supercritical fluid in a single or multistage (counter current) separation process is combined appropriately with a second enrichment step wherein the product of the first enrichment step is directly adsorbed on an adsorbent (silicagel) by passing the product flow over a fixed bed of adsorbent without substantial pressure change, and subsequent desorption with the same (or an other) near critical or supercritical fluid at the same or a different pressure as in the first separation, or by a pre-designed sequence of pressures and temperatures. For the tocochromanol enrichment, carbon dioxide at near critical conditions above the critical temperature of carbon dioxide is used. For the carotenoid enrichment, propane at near critical conditions below the critical temperature of propane is used.