| abstract |
A cooking device for the treatment of biomass containing lignocellulose comprises one or more cooking reactors operating according to the batch principle (100, 100 '), which are arranged to boil biomass in a cooking chemical, which contains formic acid and acetic acid. Heating arrangements (106) are arranged to regulate the transfer of heat energy to the respective cooking reactor (100, 100 ') by regulating the temperature of the cooking chemical as a function of time and feeding the cooking chemical with regulated temperature to the respective cooking reactor (100, 100'). |