id	keyword
brj-22659	oil
brj-22659	et al
brj-22659	extraction
brj-22659	system
brj-22659	water
brj-22659	oil extraction
brj-22659	oils
brj-22659	article
brj-22659	lemon
brj-22659	scale
brj-22659	orange
brj-22659	waste
brj-22659	doi