About: http://webisa.webdatacommons.org/447907275

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	In other prior art processes. strong detergents and other chemicals have been used to remove or separate carbonaceous materials from various types of substrates.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca