<http://webisa.webdatacommons.org/prov/139975177>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/263834176> .
<http://webisa.webdatacommons.org/prov/345818166>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/263834176> .
<http://webisa.webdatacommons.org/263834176>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ogj.com> .
<http://webisa.webdatacommons.org/263834176>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/263834176>	<http://www.w3.org/ns/prov#value>	"Traditionally, refiners have used carbon systems to treat amine solutions to prevent problems such as foaming and chemical or thermal degradation." .