C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 7/46 (2006.01) C07C 51/41 (2006.01) C07C 55/10 (2006.01)
Patent
CA 2745256
The present invention pertains to a process for the preparation of a monovalent succinate salt comprising the steps of: a) fermenting a carbohydrate source to succinic acid by means of a micro- organism, b) adding a alkaline earth metal hydroxide, carbonate and/or hydrogencarbonate, the alkaline earth metal being calcium or magnesium, as neutralising agent during the fermentation under formation of an aqueous medium comprising calcium succinate or magnesium succinate, c) reacting the alkaline earth metal succinate salt in an aqueous medium with a monovalent hydroxide, carbonate and/or hydrogencarbonate base to form an alkaline earth metal hydroxide, carbonate and/or hydrogencarbonate and a monovalent succinate salt, d) separating the monovalent succinate salt from the alkaline earth metal hydroxide, carbonate and/or hydrogencarbonate, e) recycling the alkaline earth metal hydroxide, carbonate and/or hydrogencarbonate to step b.
La présente invention concerne un procédé de préparation dun sel de succinate monovalent qui consiste à a) fermenter une source de glucides en acide succinique au moyen d'un micro-organisme, b) ajouter un hydroxyde, carbonate et/ou hydrogénocarbonate dun métal alcalino-terreux, calcium ou magnésium, comme agent de neutralisation pendant la fermentation pour former un milieu aqueux comprenant du succinate de calcium ou de magnésium, c) faire réagir le sel de succinate de métal alcalino-terreux dans un milieu aqueux avec une base monovalente dhydroxyde, carbonate et/ou hydrogénocarbonate pour former un hydroxyde, carbonate et/ou hydrogénocarbonate de métal alcalino-terreux et un sel de succinate monovalent, d) séparer le sel de succinate monovalent de l'hydroxyde, carbonate et/ou hydrogénocarbonate de métal alcalino-terreux, et e) recycler l'hydroxyde, carbonate et/ou hydrogénocarbonate de métal alcalino-terreux à l'étape b).
Van Breugel Jan
Van Krieken Jan
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Purac Biochem Bv
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