Thermogravimetric and kinetic studies of metal (Ru/Fe) impregnated banana pseudo-stem (Musa acuminate)

被引：34

作者：

Kumar, Ashutosh ^{[1
]}

Mylapilli, S. V. Prasad ^{[1
]}

Reddy, Sivamohan N. ^{[1
]}

机构：

[1] Indian Inst Technol Roorkee, Dept Chem Engn, Uttarakhand 247667, India

来源：

BIORESOURCE TECHNOLOGY | 2019年 / 285卷

关键词：

Pyrolysis; Banana pseudo-stein; Thermogravimetric analyser; Isoconversion models; Activation energy; Metal impregnated; LIGNOCELLULOSIC BIOMASS PYROLYSIS; SUPERCRITICAL WATER GASIFICATION; THERMAL-BEHAVIOR; BIO-OIL; CELLULOSE; NICKEL; HEMICELLULOSE; RUTHENIUM; IRON; HYDROLYSIS;

D O I：

10.1016/j.biortech.2019.121318

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Pyrolysis/gasification have proved to be promising conversion techniques to convert biomass into fuels. The current research work focuses on impregnation of Ru and Fe into banana pseudo-stem to study kinetics, pyrolytic behaviour and their impact during pyrolysis through thermogravimetric analyser (TGA). Samples weight loss were analyzed by TGA at four different heating rates (5-20 degrees C min(-1)) over the temperature range of 30-900 degrees C. Isoconversional models such as Flynn-Wall-Ozawa (FWO), Kissinger-Akahira-Sinose (KAS), and Kissinger's methods were employed to calculate the activation energy and pre-exponential factor for Ru-impregnated (FWO: E-alpha = 73.32 kJ mol(-1), KAS: E-alpha= 68.23 kJ mol(-1) and Kissinger's: E-alpha = 165.94 kJ mol(-1)) Fe-impregnated bio-mass (FWO: E-alpha= 86.78 kJ mol(-1), KAS: E-alpha= 82.34 kJ mol(-1) and Kissinger's: E-alpha = 192.37 kJ mol(-1)) and compared with raw biomass (FWO: E-alpha= 116.22 kJ mol(-1), KAS: E-alpha= 113.39 kJ mol(-1) and Kissinger's: E-alpha= 194.86 kJ mol(-1)). Lower activation energy and reduced weight loss were observed for metal impregnated biomass over the raw biomass.

引用

页数：9

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