Lignin-First Biorefinery for Converting Lignocellulosic Biomass into Fuels and Chemicals

Zhongyang Luo (), Qian Qian, Haoran Sun, Qi Wei, Jinsong Zhou and Kaige Wang
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Zhongyang Luo: State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
Qian Qian: State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
Haoran Sun: State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
Qi Wei: State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
Jinsong Zhou: State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
Kaige Wang: State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China

Energies, 2022, vol. 16, issue 1, 1-25

Abstract: Driven by the excessive consumption of fossil resources and environmental pollution concerns, a large amount of biorefinery research efforts have been made for converting lignocellulosic biomass into fuels and chemicals. Recently, a strategy termed “lignin-first,” which allows for realizing high-yield and high-selectivity aromatic monomers, is regarded as one of the best prospective strategies. This review summarizes recent research advances in lignin-first biorefinery, starting from the raw lignocellulose through lignin-first processing and moving to downstream processing pathways for intermediate compounds. In particular, for the core purpose of producing liquid fuels, the corresponding downstream processing strategies are discussed in detail. These are based on the structural properties of the intermediates derived from lignin-first biorefinery, including the catalytic conversion of lignin and its derivatives (aqueous phase system and pyrolysis system) and the cascade utilization of carbohydrate residues (fermentation, pyrolysis, and hydrothermal liquefaction). We conclude with current problems and potential solutions, as well as future perspectives on lignin-first biorefinery, which may provide the basis and reference for the efficient utilization of lignocellulosic biomass.

Keywords: lignocellulosic biomass; lignin-first biorefinery; lignin and its derivatives; carbohydrate; fuels and chemicals (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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