About: http://webisa.webdatacommons.org/147537011

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	The improved process also includes special treatment of the feed olefins to remove catalyst poisons, such as peroxides, oxygen-, sulfur- or nitrogen-containing organic compounds or other trace impurities.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com