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Machine translation
1. (WO1981002420) BETAINE RECOVERY PROCESS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/002420    International Application No.:    PCT/FI1981/000014
Publication Date: 03.09.1981 International Filing Date: 26.02.1981
IPC:
C07C 229/12 (2006.01), C07D 273/00 (2006.01), C07D 273/01 (2006.01), C13B 20/14 (2011.01), C13B 35/06 (2011.01), B01D 15/08 (2006.01), B01J 39/26 (2006.01), C07C 227/40 (2006.01)
Applicants:
Inventors:
Priority Data:
125991 29.02.1980 US
Title (EN) BETAINE RECOVERY PROCESS
(FR) PROCEDE DE RECUPERATION DE BETAINE
Abstract: front page image
(EN)Betaine is recovered from natural sources such as beet molasses, rest molasses and vinasse by diluting the molasses to 25-50% solids, introducing the molasses to the top of a chromatographic column containing a salt of polystyrene sulfonate cation exchange resin crosslinked with from about 2 to about 12 weight percent of divinylbenzene, eluting with water and collecting a fraction of betaine from the downstream side of the resin. When successive feeds with predetermined intervals are made, the feeds may be partly overlapped. The betaine from the preceding feed is then eluted by the dilute molasses from the following feed. The betaine fraction is evaporated under vacuum and the betaine crystallized as anhydrous crystals or as betaine monohydrate.
(FR)La betaine est recupere a partir de sources naturelles telles que les molasses de betteraves, les molasses, et la vinasse en diluant les molasses jusqu"a 25-50% de solides, en introduisant les molasses jusqu"a la partie superieure d"une colonne chromatographique contenant un sel d"une resine d"echange de cation de sulphonate polystyrene reticulee avec 2 a 12% en poids environ de divynilbenzene, en remuant avec de l"eau et en recuperant une fraction de betaine du cote aval de la resine. Les cycles d"alimentation successifs effectues avec des intervalles de temps predetermines peuvent se chevaucher partiellement. La betaine provenant du cycle d"alimentation precedent est alors eluee par les molasses diluees provenant du cycle d"alimentation suivant. La fraction de betaine est evaporee sous vide et la betaine est cristallisee sous forme de cristaux anhydre ou de monohydrate de betaine.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)