Thermogravimetric analysis of giant sensitive plants under air atmosphere

Bioresource Technology
Thanasit Wongsiriamnuay, Nakorn Tippayawong

Abstract

The aim of this work is to utilise thermal analysis to study the thermal degradation of giant sensitive plants (Mimosa pigra L.) or Mimosa under oxidative environment. Thermogravimetric method was used under air sweeping in dynamic conditions at the heating rates of 10, 30, and 50 degrees C/min, from room temperature to about 725 degrees C. Starting with dehydration step between 30 and 150 degrees C, the main thermal decomposition process under air showed two distinct degradation zones, corresponding to devolatilisation step between 200 and 375 degrees C and combustion step around 375-500 degrees C. Kinetic parameters in terms of apparent activation energy and pre-exponential factor were determined. Comparison was made against other biomass materials. Mass loss and mass loss rates were strongly affected by heating rate. It was found that an increase in heating rate resulted in a shift of thermograms to higher temperatures. As the heating rates increased, average devolatilisation and combustion rates were observed to increase while the activation energy showed slight increase.

References

Feb 27, 2007·Bioresource Technology·H Haykiri-Acma, S Yaman
Jan 16, 2008·Bioresource Technology·A B RossT Bridgeman
Jan 19, 2010·Waste Management·M OteroA Morán
Mar 2, 2010·Bioresource Technology·Thanasit Wongsiriamnuay, Nakorn Tippayawong

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Citations

Jun 19, 2012·Applied Biochemistry and Biotechnology·Cesare FredaEgidio Viola
Aug 12, 2014·Bioresource Technology·Garima Mishra, Thallada Bhaskar
Oct 3, 2012·Bioresource Technology·Sriraam R Chandrasekaran, Philip K Hopke
Oct 18, 2012·Bioresource Technology·Matheus PolettoRuth M C Santana
Nov 20, 2013·TheScientificWorldJournal·Pakamon Pintana, Nakorn Tippayawong
May 16, 2020·Bioresource Technology·Ranjeet Kumar Mishra, Kaustubha Mohanty

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