About: http://webisa.webdatacommons.org/444521861

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	This invention relates to water purification and more particularly, it relates to purification of water to remove materials or reactive gases such as carbon dioxide and/or ammonia using reverse osmosis membranes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk