Determination of the activation energy of water hyacinth (Eichornia crassipes) pyrolysis

被引：8

作者：

Wauton, I. ^{[1
]}

Ogbeide, S. . E. ^{[2
]}

机构：

[1] Niger Delta Univ, Dept Chem & Petr Engn, Wilberforce Isl, Nigeria

[2] Univ Benin, Dept Chem Engn, Benin, Nigeria

来源：

INTERNATIONAL JOURNAL OF GREEN ENERGY | 2019年 / 16卷 / 15期

关键词：

Water hyacinth; TGA; kinetic parameters; pyrolysis; BIOMASS;

D O I：

10.1080/15435075.2019.1677236

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Thermogravimetric investigation of the thermo-chemical conversion of water hyacinth to bio-fuels was carried out at temperatures between 35 and 915 ?C under a nitrogen environment. It envisaged that the operational envelope for bio-oil production from water hyacinth pyrolysis lies between 250 and 550 ?C. Kinetic analysis reveals that pyrolytic degradation of water hyacinth to bio-fuels is actually four consecutive reactions of desorption, evaporation, devolatization, and secondary cracking reactions, which takes place at the temperature range of 35 ? 95 ?C, 95 ? 215 ?C, 215 ? 355 ?C, and 355 ? 915?C, with activation energies of 34.18, 6.60, 34.48, and 6.92 kJ/mol respectively. The kinetic parameters determined will prove useful in the design of pyrolysis reactors and gasifiers for the biomass.

引用

页码：1571 / 1576

页数：6

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