Patent ID: 8859808
Filing Date: 2014-10-14
Classification: B01D,C07C

Abstract:
1. A process for obtaining lactic acid with high purity degree from fermentative liquor containing sodium lactate, vegetable fibers and polysaccharides, comprising the steps of: a) clarification, comprising the following sub-steps: a1) centrifuging a fermentative liquor ( a2) microfiltering by tangential microfiltration in ( a3) feeding the stream ( a4) filtering in activated carbon bed ( b) regeneration, comprising the following sub-steps: b1) feeding said sodium lactate aqueous solution ( b2) submitting said solution ( b3) feeding said solution ( b4) submitting said stream ( c) purification, comprising the following sub-steps: c1) focusing said stream ( c2) filtering, in a bed of activated carbon ( c3) submitting said stream ( d) concentration, comprising concentrating the lactic acid diluted solution with high purity degree (