About: http://webisa.webdatacommons.org/424257940

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Several inventions since have tried to perfect and improve the torrefaction process by using high pressure steam, high temperature inert gas, superheated steam and other gas, pressure and vacuum methods.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com