About: http://webisa.webdatacommons.org/202298991

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	Since vanadium oxide reacts with a metal such as calcium and iron to give a composite oxide, these metals can be used as a scavenger to remove vanadium from heavy oil.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au