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1. (WO1991018067) COUNTERCURRENT LIQUID/LIQUID EXTRACTION TO FRACTIONATE COMPLEX MIXTURES CONTAINING MEDIUM AND LONG CHAIN FATTY ACID TRIGLYCERIDES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/018067 International Application No.: PCT/US1991/002684
Publication Date: 28.11.1991 International Filing Date: 22.04.1991
Chapter 2 Demand Filed: 21.11.1991
IPC:
B01D 11/04 (2006.01) ,C11B 7/00 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
11
Solvent extraction
04
of solutions which are liquid
C CHEMISTRY; METALLURGY
11
ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
B
PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
7
Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
Applicants:
THE PROCTER & GAMBLE COMPANY [US/US]; One Procter & Gamble Plaza Cincinnati, OH 45202, US
Inventors:
MORRISON, Lowen, Robert, Jr.; US
BESSERMAN, Mark, Alan; US
WEBER, Vicki, Lynn; US
Agent:
REED, T., David; The Procter & Gamble Company Ivorydale Technical Center 5299 Spring Grove Avenue Cincinnati, OH 45217-1087, US
Priority Data:
523,96616.05.1990US
Title (EN) COUNTERCURRENT LIQUID/LIQUID EXTRACTION TO FRACTIONATE COMPLEX MIXTURES CONTAINING MEDIUM AND LONG CHAIN FATTY ACID TRIGLYCERIDES
(FR) EXTRACTION LIQUIDE/LIQUIDE A CONTRE-COURANT POUR FRACTIONNER DES MELANGES COMPLEXES CONTENANT DES TRIGLYCERIDES D'ACIDE GRAS A CHAINES MOYENNES ET LONGUES
Abstract:
(EN) Countercurrent liquid/liquid extraction processes for fractionating complex triglyceride mixtures to selectively remove 'light' impurities (primarily MMM triglycerides) from MML/MLM triglycerides, or to selectively remove MML/MLM triglycerides from 'heavy' impurities (primarily MLL/LML and LLL triglycerides), wherein M is a C6-C10 fatty acid residue or mixture thereof, and wherein L is a C18-C24 fatty acid residue or mixture thereof, are disclosed. In the case of 'light' impurities, an oil stream containing MMM and MML/MLM triglycerides is passed countercurrently to a solvent stream containing a polar solvent or a supercritical fluid that is partially miscible with the oil stream to selectively remove the MMM triglycerides. In the case of 'heavy' impurities, an oil stream containing MML/MLM, MLL/LML and LLL triglycerides is passed countercurrently to the solvent stream to selectively remove the MML/MLM triglycerides.
(FR) Procédés d'extraction liquide/liquide à contre-courant servant à fractionner des mélanges de triglycérides complexes afin d'éliminer sélectivement des impuretés 'légères' (principalement des triglycérides MMM) contenues dans des triglycérides MML/MLM, ou d'éliminer sélectivement des triglycérides MML/MLM contenues dans des impuretés 'lourdes' (principalement des triglycérides MLL/LML et LLL), dans lesquels M représente un résidu d'acide gras C6-C10 ou un mélange contenant cet acide gras, et dans lesquels L représente un résidu d'acide gras C18-C24 ou un mélange contenant cet acide gras. Pour les impuretés 'légères', on fait passer un flux d'huile contenant des triglycérides MMM et MML/MLM à contre-courant d'un flux de solvant contenant un solvant polaire ou un fluide surcritique qui est partiellement miscible avec le flux d'huile pour éliminer sélectivement les triglycérides MMM. Pour les impuretés 'lourdes', on fait passer un flux d'huile contenant des triglycérides MML/MLM, MLL/LML et LLL à contre-courant d'un flux de solvant pour éliminer sélectivement les triglycérides MML/MLM.
Designated States: AU, CA, FI, JP
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
FI925151EP0533697JPH05507107CA2081018AU1991078803