PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is also able to remove impurities such as hydrocarbons, ammonia, and hydrogen cyanide, consistent with its origin as a treatment for syngas from the Lurgi gasifier which contains these kinds of impurities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • doe.gov