About: http://webisa.webdatacommons.org/276739122

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	These limitations of existing methods (such as ion exchange, membrane technologies, including ultrafiltration, reversed osmosis, chemical coagulation, coagulation with DC current, etc.) include:
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr