期刊
RENEWABLE ENERGY
卷 148, 期 -, 页码 756-771出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2019.10.162
关键词
Alternate energy; Biofuel; Pyrolysis; Reaction kinetics; Thermodynamic parameters
资金
- Department of Chemical Engineering, Indian Institute of Technology (IIT) Kharagpur
The present work focuses on to determine the feasibility of alternate energy generation from waste biomass as a feedstock. Five different wastes namely coconut shell, corn cob, sugarcane bagasse, Shorea Robusta and Citrus limetta have been thoroughly characterized to analyze their energy potential. Coconut shell with highest heating value of 16.8 MJ/kg among all the samples and bulk density of 590.85 kg/m(3) has been selected for further detailed kinetic analysis. Highest overall volatile conversion of 57.17% is obtained in the active zone for heating rate 40 degrees Cimin. Different differential and integral based models have been discussed and implemented for the calculation of activation energy and its average value for coconut shell sample is found to be 109.90 kJ/mol with pre-exponential factor as 4.37x10(9) s(-1). Moreover, the reaction model was predicted by comparing various theoretical and experimental z (alpha) master plots. Also, the model fitting method is also used to obtain the reaction model f(alpha) = (1-alpha)(4.)(6654)( )[-In (1-alpha)](-0.2) which shows order based nucleation mechanism. Change in enthalpy, entropy and Gibbs free energy has also been determined to access the thermodynamic stability of the system. The kinetic parameters and thermodynamic results suggest highly reactive system initially which decreases with the extent of conversion. (C) 2019 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据