id	keyword
brj-24731	des
brj-24731	lignin
brj-24731	article
brj-24731	pretreatment
brj-24731	et al
brj-24731	biomass
brj-24731	solvent
brj-24731	cellulose
brj-24731	content
brj-24731	nps
brj-24731	acid
brj-24731	nanoparticles
brj-24731	ligag