FIELD: chemistry.
SUBSTANCE: according to the method, wood raw material undergoes coarse grinding first and resinous substances are then extracted, after which the obtained product undergoes fine grinding and mechanical activation. The installation has for coarse grinding wood raw material, apparatus for extracting resinous substances and apparatus for fine grinding and mechanical activation arranged in series.
EFFECT: invention simplifies the method of preparing wood raw material and increases output of sugars from said material at the fermentolysis step.
8 cl, 1 dwg, 1 ex
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