Reaction kinetics for leaching of iron oxides in boehmitic bauxite by hydrochloric acid

Paspaliaris, Y; Yiouli, Y; Patermarakis, G

dc.contributor.author	Paspaliaris, Y	en
dc.contributor.author	Yiouli, Y	en
dc.contributor.author	Patermarakis, G	en
dc.date.accessioned	2014-03-01T01:07:39Z
dc.date.available	2014-03-01T01:07:39Z
dc.date.issued	1989	en
dc.identifier.issn	0371-9553	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/10090
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0024480209&partnerID=40&md5=f2b505255ed797bafe8343b19bdf45f1	en
dc.subject.classification	Metallurgy & Metallurgical Engineering	en
dc.subject.classification	Mineralogy	en
dc.subject.classification	Mining & Mineral Processing	en
dc.subject.other	Bauxite Deposits--Greece	en
dc.subject.other	Chemical Reactions--Reaction Kinetics	en
dc.subject.other	Hydrochloric Acid--Chemical Reactions	en
dc.subject.other	Iron Oxides--Leaching	en
dc.subject.other	Activation Energy	en
dc.subject.other	Boehmitic Bauxite	en
dc.subject.other	Iron Removal Kinetics	en
dc.subject.other	Jander Rate Equation	en
dc.subject.other	Leaching Kinetics	en
dc.subject.other	Bauxite Ore Treatment	en
dc.title	Reaction kinetics for leaching of iron oxides in boehmitic bauxite by hydrochloric acid	en
heal.type	journalArticle	en
heal.language	English	en
heal.publicationDate	1989	en
heal.abstract	The reaction kinetics for the leaching of iron oxides from boehmitic bauxite were studied in a spherical, mechanically stirred reactor at dilute solids concentration to determine the important chemical factors that govern the kinetic response of the system. The experimental rate data suggest that the leaching reaction is controlled by diffusion of the reactants through the permeable product layer and that the shrinking-core model applies. Jander's rate equation, was found to fit the experimental results. The activation energy was almost the same, 25.1 kJ mol-1, for the different particle-size fractions.	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:A1989AM68900004	en
dc.identifier.volume	98	en
dc.identifier.spage	21	en
dc.identifier.epage	25	en