<http://webisa.webdatacommons.org/76036472>	<http://www.w3.org/ns/prov#value>	"Third and most importantly, the presence of surfactant in the produced emulsion fluids makes it very difficult to recover oil free of impurities such as surfactant and water." .
<http://webisa.webdatacommons.org/prov/296339010>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/76036472> .
<http://webisa.webdatacommons.org/76036472>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/76036472>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/282498475>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/76036472> .