FIELD: biotechnologies.
SUBSTANCE: disclosed is a method of preliminary treatment of initial raw material of lignocellulosic biomass, which includes soaking of initial raw material of lignocellulosic biomass, in which soaked biomass is present as mixture with free fluid and in which free liquid contains, at least, one dissolved compound selected from a group consisting of glucose, xylose and their corresponding oligomers, flushing of soaked biomass and free liquid, where at least part of free liquid containing at least one dissolved compound selected from a group consisting of glucose, xylose and their corresponding oligomers, is separated from soaked biomass with creation of washed soaked biomass and at least one flow of free liquid, expression of soaked biomass with creation of released liquid, separation of released liquid from soaked biomass and storage of at least some part of released liquid separately from any free liquid.
EFFECT: method for preliminary precessing of lignocellulose biomass raw material.
14 cl, 1 dwg, 1 tbl
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