id	keyword
brj-23290	lignin
brj-23290	pseudo
brj-23290	pretreatment
brj-23290	jfc
brj-23290	hydrothermal
brj-23290	surfactant
brj-23290	content
brj-23290	doi
brj-23290	acid
brj-23290	biomass
brj-23290	holocellulose