PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Torrefaction is a process that uses a high-heat, oxygen-free environment to convert biomass into bio-coal, a ???green??? version that has the same energy content as traditional coal, Goetsch said.
http://www.w3.org/ns/prov#wasQuotedFrom
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