About: http://webisa.webdatacommons.org/298007233

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	When the alkyl bromide charged to reactor 4 is discontinued, oxygen or an oxygen-containing gas such as air is charged to reactor 4 through lines 10 and 11, the latter line being provided with valve 12.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com