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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	After a sequence of chemical reactions to remove volatile organic compounds, what???s left is a pure material known as activated carbon.
http://www.w3.org/ns/prov#wasQuotedFrom	midwestenergynews.com