About: http://webisa.webdatacommons.org/76233596

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 gasification, slag is made from mineral impurities that remain after a carbon feedstock such as coal has been gasified.
http://www.w3.org/ns/prov#wasQuotedFrom	doe.gov