title: Evaluating the effectiveness of various biochars as porous media for biodiesel synthesis via pseudo-catalytic transesterification.
abstract: 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 ∼90% at 300°C; however, the maximum biodiesel yield with pine cone biochar was 43% at 380°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.
authors.affiliation: Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea.
authors.forename: Jechan
authors.initials: J
authors.lastname: Lee
authors.affiliation: Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea.
authors.forename: Jong-Min
authors.initials: JM
authors.lastname: Jung
authors.affiliation: Advanced Technology Department, Land & Housing Institute, Daejeon 34047, Republic of Korea.
authors.forename: Jeong-Ik
authors.initials: JI
authors.lastname: Oh
authors.affiliation: Korea Biochar Research Center, Kangwon National University, Chuncheon 24341, Republic of Korea.
authors.forename: Yong Sik
authors.initials: YS
authors.lastname: Ok
authors.affiliation: Animal Environment Division, National Institute of Animal Science, Jeollabuk-do 55365, Republic of Korea.
authors.forename: Sang-Ryong
authors.initials: SR
authors.lastname: Lee
authors.affiliation: Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea. Electronic address: ekwon74@sejong.ac.kr.
authors.forename: Eilhann E
authors.initials: EE
authors.lastname: Kwon
mesh_terms: D056804:Biofuels; D018533:Biomass; D002384:Catalysis / Q000187:drug effects; D002482:Cellulose / Q000032:analysis; D002606:Charcoal / Q000494:pharmacology*; D003296:Cooking; D004951:Esterification / Q000187:drug effects; D004952:Esters / Q000032:analysis; D008031:Lignin / Q000032:analysis; D009821:Oils / Q000737:chemistry; D011134:Polysaccharides / Q000032:analysis; D016062:Porosity; D013696:Temperature; D014866:Waste Products / Q000032:analysis
chemical_list: D056804:Biofuels; D004952:Esters; D009821:Oils; D011134:Polysaccharides; D014866:Waste Products; C540010:biochar; D002606:Charcoal; C007916:hemicellulose; D002482:Cellulose; D008031:Lignin
keywords: Biochar; Biodiesel; Fatty acid methyl esters; Lignocellulosic biomass; Pseudo-catalytic transesterification