期刊
REACTION KINETICS MECHANISMS AND CATALYSIS
卷 120, 期 1, 页码 81-94出版社
SPRINGER
DOI: 10.1007/s11144-016-1100-z
关键词
Abies wood; Oxidative fractionation; Hydrogen peroxide; TiO2 catalyst; Kinetics; Optimization
资金
- Russian Science Foundation [16-13-10326]
The kinetic study of abies wood delignification by H2O2 in the medium acetic acid-water was first carried out in the presence of TiO2 catalyst under mild conditions: temperatures 70-100 degrees C, atmospheric pressure. The oxidative delignification process is described satisfactory by the first order equation in all temperature range. The rate constants varied between 0.80 and 12.3 9 10(-3) min(-1) and the activation energy was near 81 +/- 0.21 kJ mol(-1). The optimal parameters of the delignification process, providing the effective fractionation of abies wood on microcrystalline cellulose and soluble lignin, were established by experimental and numerical methods.
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