About: http://webisa.webdatacommons.org/421644503

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	types of sludges, can also dewater mixtures of different types of sludges. For example, results of tests have shown that the method can be applied to dewater a mixture of biological sludge with primary sludge.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com