About: http://webisa.webdatacommons.org/234067881

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	To whiten and brighten the pulp, bleaching agents, such as chlorine, peroxides or hydrosulfates are added.
http://www.w3.org/ns/prov#wasQuotedFrom	maintenancetechnology.com