About: http://webisa.webdatacommons.org/402638974

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	And, one of the greatest drawbacks of conventional high molecular flocculants is that the effect as flocculants is lowered or lost completely when the waste water contains various ions or surface active agents.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com