id	keyword
brj-23118	coke
brj-23118	rdf
brj-23118	waste
brj-23118	pyrolysis
brj-23118	gas
brj-23118	value
brj-23118	content
brj-23118	calorific
brj-23118	solid
brj-23118	production
brj-23118	coal
brj-23118	oven
brj-23118	doi
brj-23118	charcoal