Journal
BIORESOURCE TECHNOLOGY
Volume 194, Issue -, Pages 364-372Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.07.007
Keywords
Hydrilla verticillata; Pyrolysis; Kinetics; Thermogravimetric analysis
Funding
- international scientific and technological cooperation project of Wuhan, China [2015030809020369]
- Major Science and Technology Program for Water Pollution Control and Treatment [2013ZX07102-005]
- Fundamental Research Funds for the Central Universities, HUST [2015TS113]
- SRF for ROCS, SEM, China
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The pyrolysis characteristics and kinetic of Hydrilla verticillata (HV) have been investigated using non-isothermal thermogravimetric analysis. The results showed that the pyrolysis behavior of HV can be divided into two independent stages. The kinetics of Stage I was investigated using a distributed activation energy model (DAEM) with discrete 99 first-order reactions. Stage II was an independent stage which corresponds to the decomposition of calcium oxalate, whose kinetics was studied using iso-conversional method together with compensation effect and master-plots method. The activation energies ranged from 92.39 to 506.17 and 190.42 to 222.48 kJ/mol for the first and second stages respectively. Calculated data gave very good fit to the experimental data. (C) 2015 Elsevier Ltd. All rights reserved.
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