Upgrading of medium-grade celestite ore with varying gypsum contents by treatment with (NH4)2SO4

Tsimas, SG; Moutsatsou, AK; Tsivilis, SG; Parissakis, GK

dc.contributor.author	Tsimas, SG	en
dc.contributor.author	Moutsatsou, AK	en
dc.contributor.author	Tsivilis, SG	en
dc.contributor.author	Parissakis, GK	en
dc.date.accessioned	2014-03-01T01:08:35Z
dc.date.available	2014-03-01T01:08:35Z
dc.date.issued	1991	en
dc.identifier.issn	0371-9553	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/10594
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0025926891&partnerID=40&md5=d3160d08381142cf99f220b08fc777b5	en
dc.subject.classification	Metallurgy & Metallurgical Engineering	en
dc.subject.classification	Mineralogy	en
dc.subject.classification	Mining & Mineral Processing	en
dc.subject.other	Ammonium Compounds--Applications	en
dc.subject.other	Gypsum--Removal	en
dc.subject.other	Strontium and Alloys--Recovery	en
dc.subject.other	Ammonium Sulfate Leachant	en
dc.subject.other	Celestite Ore Leaching	en
dc.subject.other	Strontium Enrichment	en
dc.subject.other	Strontium Ore Treatment	en
dc.subject.other	Ore Treatment	en
dc.title	Upgrading of medium-grade celestite ore with varying gypsum contents by treatment with (NH4)2SO4	en
heal.type	journalArticle	en
heal.language	English	en
heal.publicationDate	1991	en
heal.abstract	Celestite (SrSO4) is the only significant strontium-bearing mineral. It is shown that (NH4)2SO4 can be used with success as a leachant to remove gypsum contained in celestite ores. This leaching process, which is applied before flotation, provides an upgraded feed, and problems related to the simultaneous flotation of CaCO3 and SrSO4 are reduced. The process is independent of the gypsum content of the feed so that each leaching stage decreases the gypsum content by almost 50%. The use of (NH4)2SO4 has an insignificant effect on the co-leaching of SrSO4 (0.45 wt.%) at each stage.	en
heal.publisher	INST MINING METALLURGY	en
heal.journalName	Transactions of the Institution of Mining and Metallurgy, Section C: Mineral Processing and Extractive Metallurgy	en
dc.identifier.isi	ISI:A1991FT55200009	en
dc.identifier.volume	100	en
dc.identifier.spage	61	en
dc.identifier.epage	64	en