About: http://webisa.webdatacommons.org/395361305

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	The waste gases are freed from dusts, sulfur dioxide, HCl and HF. Usually, methods are used for this purpose for which such materials as burnt lime or calcium hydroxide are used as adsorbents.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com