Patent ID: 9254449
Filing Date: 2016-02-09
CPC Classification: B01D,C12C,C12F,F26B,Y02E

Claim Text:
1. A process for separating solid and liquid components in a distillation whole stillage resulting from distillation of fermented lignocellulosic biomass, comprising the steps of: a) subjecting the whole stillage in an evaporation step to airless steam for separating the whole stillage into a condensate and a concentrate, the concentrate including water, dissolved solids and suspended solids; b) subjecting the concentrate to a step of airless steam spray drying for converting the concentrate into dried solids, excess airless steam and vapours; and c) redirecting all excess airless steam and vapours resulting from the airless steam spray drying step as an energy source to step a) and to another processing step upstream of the airless spray drying step.