Fuel 217 (2018) 202–210 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Understanding the relationship between the structure and depolymerization behavior of lignin a a b a,b, Jaeyong Park , Asim Riaz , Rizki Insyani , Jaehoon Kim School of Mechanical Engineering, Sungkyunkwan University, 2066 Seobu-Ro, Jangan-Gu, Suwon, Gyeong Gi-Do 16419, Republic of Korea SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, 2066 Seobu-Ro, Jangan-Gu, Suwon, Gyeong Gi-Do 16419, Republic of Korea GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Various lignin depolymerization methods have been proposed. Nevertheless, the relationship between the Lignin structure of lignin and its depolymerization behavior has not been widely investigated. Herein, six types of lignin Lignin structure samples were produced from oakwood (OW, hardwood) and pinewood (PW, softwood) using three diﬀerent Depolymerization deligniﬁcation techniques (ethanolsolv, formasolv, and Klason). The content of ether linkages in the OW-derived Supercritical ethanol lignins was approximately three times higher than that in the PW-derived lignins because of the presence of the Formic acid sinapyl alcohol unit in the former. The contents of ether linkages in the lignin isolated via the diﬀerent methods followed the order: formasolv > ethanolsolv > Klason. The lignin samples were
Fuel – Elsevier
Published: Apr 1, 2018
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