id	keyword
brj-24425	woody
brj-24425	pellets
brj-24425	biomass
brj-24425	waste
brj-24425	doi
brj-24425	production
brj-24425	wood pellets
brj-24425	heat
brj-24425	products
brj-24425	carbon
brj-24425	article
brj-24425	activation
brj-24425	emissions