Process for the preparation of a monovalent succinate salt
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United States of America Patent
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Oct 21, 2014
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Dec 2, 2009
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Dec 2, 2008
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Abstract
A process for the preparation of a monovalent succinate salt includes:
- 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 in an aqueous medium and causing the formation of 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, ande) recycling the alkaline earth metal hydroxide, carbonate and/or hydrogencarbonate to step b.
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