Production of a fermentation product

Abstract From the Canadian patent

A process of producing fermentation product comprising the steps of (i) , forming an acidified suspension of particulate plant derived material comprising a first polysaccharide which is more readily hydrolysable and a second polysaccharide which is more difficult to hydrolysable (ii) allowing , the first polysaccharide to undergo hydrolysis by action of the acid at a temperature of at least 50~C under conditions such that the first polysaccharide is hydrolysed and thereby forming a mixture of an aqueous liquor containing dissolved sugar and a solid residue containing the second polysaccharide, (iii) subjecting the mixture to one or more separation stages in which the solid residue …