The investigation of efficient conditions for alumina production from diasporic bauxites

Alp, Ahmet; Aydın, Ali Osman

dc.contributor.authors	Alp, A; Aydin, AO;
dc.date.accessioned	2020-02-24T14:16:30Z
dc.date.available	2020-02-24T14:16:30Z
dc.date.issued	2002
dc.identifier.citation	Alp, A; Aydin, AO; (2002). The investigation of efficient conditions for alumina production from diasporic bauxites. CANADIAN METALLURGICAL QUARTERLY, 41, 46-41
dc.identifier.issn	0008-4433
dc.identifier.uri	https://hdl.handle.net/20.500.12619/44983
dc.description.abstract	The main objective of this study was to investigate the leach conditions of diasporic bauxites in the region of Mugla-Milas for alumina production. The chemical composition was 57.91% Al2O3,, 21.33% Fe2O3, 3.84% SiO2, 2.20% TiO2, 2.10% CaO, 1.02% FeS2, 1.65% CO2, and 0.52% other. The effects of alkaline (CaO and/or Na2CO3) additives, precalcination temperature, calcination time, leaching time, solution concentration, liquid/bauxite ratio and particle size on the efficiency of alumina and silica dissolution were investigated. The optimum conditions of the process were the addition of alkaline in 0.5 mole fraction, 900 degreesC precalcination temperature, 2 hours of calcination time, 3 hours of leaching time, 1.5 molar Na2O of caustic concentration and liquid/bauxite ratio of 30 at the boiling temperature of leach solution under continuous stirring. Although the highest extraction efficiency of Al2O3 was found to be 81.77% with precalcination at 1200 degreesC, 900 degreesC was preferred as an optimum calcination temperature.
dc.language	English
dc.publisher	METALLURGICAL SOC-C I M
dc.subject	Metallurgy & Metallurgical Engineering
dc.title	The investigation of efficient conditions for alumina production from diasporic bauxites
dc.type	Article
dc.identifier.volume	41
dc.identifier.startpage	41
dc.identifier.endpage	46
dc.contributor.department	Sakarya Üniversitesi/Mühendislik Fakültesi/Metalurji Ve Malzeme Mühendisliği Bölümü
dc.contributor.saüauthor	Alp, Ahmet
dc.contributor.saüauthor	Aydın, Ali Osman
dc.relation.journal	CANADIAN METALLURGICAL QUARTERLY
dc.identifier.wos	WOS:000174936500005
dc.contributor.author	Alp, Ahmet
dc.contributor.author	Aydın, Ali Osman