Preparation and characterization of pyrolytic chars from different biomass samples |
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| Affiliation: | 1. Department of Biosystems Engineering, Auburn University, Auburn, AL 36849, United States;2. Energy Technology Division, RTI International, 3040 East Cornwallis Road, Research Triangle Park, Durham, NC 27709, United States;3. Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, United States;4. Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, United States;1. Laboratory of Wind Energy Control and Waste : Energy Recovery (LMEEVED), Research and Technology Centre of Energy (CRTEn), Borj-Cedria Technopark, BP 95, 2050 Hammam-Lif, Tunisia;2. Department of Chemistry, Karabük University, 78050 Karabük, Turkey;3. Laboratory of Dry land Farming and Oasis Cropping, Arid Regions Institute, BP 32, KEBILi, Tunisia;4. Laboratory of Microbial Ecology and Technology, LETMi-INSAT, The National Institute of Applied Sciences and Technology INSAT, Carthage University, 2 Boulevard de la terre, BP 676, 1080 Tunis, Tunisia;5. Laboratory of Wastewater Treatment and Recycling, Research and Technology Center of Water, BP 273, 8020 Soliman, Tunisia;1. Department of Chemical and Environmental Engineering, University of the Basque Country UPV/EHU, Nieves Cano 12, 01006 Vitoria-Gasteiz, Spain;2. Department of Chemical Engineering, University of the Basque Country UPV/EHU, P.O. Box 644, E48080 Bilbao, Spain;1. College of Earth & Environmental Sciences, University of the Punjab, Lahore, Pakistan;2. Centre for Coal Technology, University of the Punjab Lahore, Pakistan;3. Department of Environmental Science and Policy, Faculty of Basic Sciences, Lahore School of Economics, Pakistan |
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| Abstract: | In the present work four different biomass samples (pine cone, soybean cake, corn stalk and peanut shell) were pyrolyzed to 550 °C in an inert gas atmosphere and a comparison between the properties of chars produced has been performed. Characterization of biomass samples was carried out with FT-IR, 13C NMR, SEM and EDX. The influence of the parent material on char quality was investigated. The chars were characterized by their proximate and ultimate analysis and surface areas by N2 adsorption at 77 K using BET equation. The morphological changes in carbonaceous solids were observed by scanning electron microscopy (SEM), and FT-IR spectra were obtained to evaluate the functional groups. The results obtained from the different techniques were combined to give an overview of the chemical and physical properties of the biomass char samples. |
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