About: http://webisa.webdatacommons.org/256841573

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	remove other contaminants, including sulfur compounds and high molecular weight
http://www.w3.org/ns/prov#wasQuotedFrom	scsengineers.com