FIELD: chemistry.
SUBSTANCE: group of inventions relates to a cooking device for treating lignocellulose-containing biomass, as well as a method for treating lignocellulose-containing biomass. Device comprises one or more cooking reactors (100, 100'), made with possibility of biomass cooking in cooking chemical, which contains formic acid and acetic acid. Heating device (106) is configured to control heat energy transfer to each cooking reactor (100, 100') by adjusting the cooking chemical temperature as a function of time and by feeding a cooking chemical with a controlled temperature into each cooking reactor (100, 100').
EFFECT: providing control of the amount of five-carbon (C5) sugars and furfural contained in the cooking reactor.
14 cl, 12 dwg
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