Kinetics of Alkaline Ethanol Pulping of Wheat Straw, 1995 Pulping Conference Proceedings

Mohamed El-Sakhawy

National Research Centre

Bruno Lönnberg

Åbo Akademi

Atef A. Ibrahim

National Research Centre

Yehia Fahmy

National Research Centre

This paper presents the results of the kinetic studies on wheat straw pulping by the alkali ethanol process under normal conditions to investigate the effects of reaction temperature and alkali concentration on the rate of delignification. The reaction rate is in direct increase with the temperature, and it doubles if the alkali concentration is doubled. The Arrhenius equation is applicable in describing the delignification. The activation energy. in the bulk phase. is 16 kJ/mol. This pulping process exhibits fast and selective delignification under mild conditions even at longer cooking times. Wheat straw exhibits a facile delignification ability.

Author: El-Sakhawy, M., Lonnberg, B., Ibrahim, A.A., Fahmy, Y.
Kinetics of Alkaline Ethanol Pulping of Wheat Straw, 1995 Pu
Kinetics of Alkaline Ethanol Pulping of Wheat Straw, 1995 Pulping Conference Proceedings
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