C - Chemistry – Metallurgy – 11 – B
Patent
C - Chemistry, Metallurgy
11
B
C11B 3/10 (2006.01) C11B 3/04 (2006.01)
Patent
CA 2691861
The invention relates to a process for bleaching oils or fats. For this, a naturally active or non-naturally active bleaching earth is provided in a first vessel (10) and an organic acid in a second vessel (11). In a mixing vessel (8), the oil or fat which is to be bleached is admixed with bleaching earth and the organic acid, wherein the bleaching earth and the organic acid are added individually. Subsequently, the oil or fat which is to be bleached is bleached in a conventional manner.
L'invention concerne un procédé de blanchiment d'huiles ou de graisses. Dans ce but, on prépare une terre de blanchiment naturellement active ou naturellement inactive dans un premier récipient (10) et un acide organique dans un deuxième récipient (11). Dans un récipient de mélange (8), on fait réagir l'huile ou la graisse à blanchir avec la terre de blanchiment et l'acide organique, la terre de blanchiment et l'acide organique étant ajoutés séparément. Ensuite, on blanchit de la manière habituelle l'huile ou la graisse à blanchir.
Sued-Chemie Ag
Zsigmond Otto
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