<http://webisa.webdatacommons.org/104802972>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/104802972>	<http://www.w3.org/ns/prov#value>	"Natural gas and other products with an unacceptably high sulfur component are known as ???sour,??? and the removal process is known as ???sweetening.??? Numerous refineries have the capability to subject products to the Claus method." .
<http://webisa.webdatacommons.org/104802972>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.net> .
<http://webisa.webdatacommons.org/prov/236127282>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/104802972> .