Production of citric acid and trisodium citrate from molasses

Details Production of citric acid and trisodium citrate from molasses Production of citric acid and trisodium citrate from molasses

C - Chemistry, Metallurgy

12

P

C12P 7/48 (2006.01) C07C 51/43 (2006.01) C07C 51/47 (2006.01) C07C 51/48 (2006.01) C07C 59/265 (2006.01)

Patent

CA 2104356

ABSTRACT OF THE DISCLOSURE A water-immiscible organic extractant system can economically be used to recover citric acid from molasses fermenter beer containing a high salt content by using a process combination of passing the aqueous raffinate from the citric acid extraction step through a basic anion-exchange resin to adsorb residual citric acid and release citrate anions from previously formed salt cation-citrate compounds. Trisodium citrate is then eluted from the resin by passing aqueous sodium hydroxide therethrough.

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