On the understanding of bio-oil formation from the hydrothermal liquefaction of organosolv lignin isolated from softwood and hardwood sawdust†

IF 5 3区 材料科学 Q2 CHEMISTRY, PHYSICAL
Petter Paulsen Thoresen, Jonas Fahrni, Heiko Lange, Jasmine Hertzog, Vincent Carré, Ming Zhou, Anna Trubetskaya, Frédéric Aubriet, Jonas Hedlund, Tomas Gustafsson, Ulrika Rova, Paul Christakopoulos and Leonidas Matsakas
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引用次数: 0

Abstract

Conversion of organosolv lignins isolated with and without an inorganic acid catalyst (H2SO4) from hard- and softwood (birch and spruce) into bio-oil through hydrothermal liquefaction has been investigated. Furthermore, fractions of the isolated bio-oils were catalytically deoxygenated to improve the bio-oil properties. As elucidated through NMR, both biomass source and extraction mode influence the bio-oil product distribution. Depending on whether the lignins carry a high content of native structures, or are depolymerized and subsequently condensed in the presence of sugar dehydration products, will dictate heavy oil (HO) and light oil (LO) distribution, and skew the HO product composition, which again will influence the requirements upon catalytical deoxygenation.

Abstract Image

关于从软木和硬木锯末中分离的有机溶剂木质素水热液化形成生物油的理解†
研究了在有和没有无机酸催化剂(H2SO4)的情况下,通过水热液化将从硬木材和软木(桦树和云杉)中分离的有机溶剂木质素转化为生物油。此外,分离的生物油的馏分被催化脱氧以改善生物油的性质。核磁共振表明,生物质来源和提取方式都会影响生物油的分布。取决于木质素是携带高含量的天然结构,还是在糖脱水产物存在下解聚并随后缩合,将决定重油(HO)和轻油(LO)的分布,并使HO产物组成偏斜,这将再次影响对催化脱氧的要求。
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来源期刊
Sustainable Energy & Fuels
Sustainable Energy & Fuels Energy-Energy Engineering and Power Technology
CiteScore
10.00
自引率
3.60%
发文量
394
期刊介绍: Sustainable Energy & Fuels will publish research that contributes to the development of sustainable energy technologies with a particular emphasis on new and next-generation technologies.
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