About: http://webisa.webdatacommons.org/189504471

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	Filtration can be done prior to a membrane system, pretreatment of boiler feed water or cooling tower, or other processes.
http://www.w3.org/ns/prov#wasQuotedFrom	layne.com