Research field
Lignin Chemistry
Lignin chemistry investigates the structure, biosynthesis, reactivity, and valorization of lignin—a complex aromatic biopolymer that provides structural rigidity to plant cell walls and constitutes roughly 20 to 30 percent of lignocellulosic biomass, making it the most abundant source of renewable aromatic carbon on Earth and the second most abundant biopolymer after cellulose. Despite its abundance, lignin has historically been burned as a low-value fuel in pulp mills; modern research aims to transform this waste stream into high-value aromatic chemicals, carbon fibers, and sustainable materials. Researchers elucidate lignin's irregular branched polymer structure using advanced NMR spectroscopy, develop catalytic depolymerization pathways including reductive catalytic fractionation, oxidative cleavage, and enzymatic deconstruction to release monomeric aromatic units, and engineer plant lignin biosynthetic pathways to produce more uniform structures. Lignin chemistry is integral to the circular bioeconomy and sustainable chemistry agendas driving industrial biotransformation.
Top institutions
Subfields
Key technologies
2D NMR Spectroscopy for Lignin Structure
Pyrolysis-GC-MS Analysis
Electrochemical Lignin Oxidation
Solid-State NMR
Reductive Catalytic Fractionation
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