Journal
BIORESOURCE TECHNOLOGY
Volume 231, Issue -, Pages 59-64Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.01.067
Keywords
Biochar; Pseudo-catalytic transesterification; Biodiesel; Fatty acid methyl esters; Lignocellulosic biomass
Funding
- National Research Foundation of Korea (NRF) - Korean Government (Ministry of Education, Science and Technology (MEST) [NRF-2016R1D1A1B03933027]
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This study focuses on investigating the optimized chemical composition of biochar used as porous material for biodiesel synthesis via pseudo-catalytic transesterification. To this end, six biochars from different sources were prepared and biodiesel yield obtained from pseudo-catalytic transesterification of waste cooking oil using six biochars were measured. Biodiesel yield and optimal reaction temperature for pseudo-catalytic transesterification were strongly dependent on the raw material of biochar. For example, biochar generated from maize residue exhibited the best performance, which yield was reached similar to 90% at 300 degrees C; however, the maximum biodiesel yield with pine cone biochar was 43% at 380 degrees C. The maximum achievable yield of biodiesel was sensitive to the lignin content of biomass source of biochar but not sensitive to the cellulose and hemicellulose content. This study provides an insight for screening the most effective biochar as pseudo-catalytic porous material, thereby helping develop more sustainable and economically viable biodiesel synthesis process. (C) 2017 Elsevier Ltd. All rights reserved.
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