Journal
BIORESOURCE TECHNOLOGY
Volume 279, Issue -, Pages 262-270Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2019.01.137
Keywords
Sugarcane leaves; Physicochemical characterization; Pyrolysis; Non-isothermal TGA; Model free kinetics analysis
Funding
- MHRD, Government of India
- IIT (BHU), Varanasi
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Pyrolysis of sugarcane (Saccharum officinarum L) leaves (SCL) has been investigated using DTA/TGA and DSC techniques. Proximate and ultimate analyses and calorific value measurement have been carried out using standard protocols. The sugar cane leaves contain 44% cellulose, 22% hemicellulose and 17% lignin. The pyrolysis have been carried out at six heating rates varying from 5 to 40 degrees C/min. Analysis of the pyrolysis results has been carried using iso-conversional model free methods as well as multiple linear regression method. For the fractional conversion range of 0.05-0.95, the average apparent activation energy values evaluated from iso-conversional methods have ranged from 214.9 to 239.6 kJ/mol where as in the case of multiple linear regression analysis it has ranged from 25.06 to 57.23 kJ/mol. The multi-step reaction mechanism has been investigated using the Criado method. The results of this study are useful for the design of large scale biomass thermal conversion process.
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