NOVEL LACTIC ACID RECOVERY PROCESS
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Jul 20, 2017
app pub date -
Jul 10, 2015
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Jul 10, 2014
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Abstract
A novel two step distillation process for recovering lactic acid and ethyl lactate from still bottoms is described. In comparison to conventional distillation processes, this process involves a reaction and a second distillation which converts the lactic acid monomer and other lactic acid species that remain in the still bottoms after a first, conventional distillation step into ethyl lactate by simultaneously esterifying and transesterifying all lactic acid species present in the still bottoms.
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