PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The surplus synthesis gas is passes to a water gas shift and hydrogen removal subsystem 138 where carbon monoxide and water is converted to hydrogen and the acid gases, mainly carbon dioxide, are removed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com