id	keyword
brj-23905	lignin
brj-23905	depolymerization
brj-23905	lignin depolymerization
brj-23905	kraft
brj-23905	hkl
brj-23905	dess
brj-23905	modification
brj-23905	oil
brj-23905	article
brj-23905	doi
brj-23905	temperature