About: http://webisa.webdatacommons.org/17891913

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	Conventional methods of heavy metal removal from wastewaters are very expensive, when available, especially in developing countries.
http://www.w3.org/ns/prov#wasQuotedFrom	scielo.org.za