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Metallurgical and Materials Transactions B
Published in: Metallurgical and Materials Transactions B 2/2014

01-04-2014

Fluidized Bed Selective Oxidation-Sulfation Roasting of Nickel Sulfide Concentrate: Part I. Oxidation Roasting

Authors: Dawei Yu, Torstein A. Utigard, Mansoor Barati

Published in: Metallurgical and Materials Transactions B | Issue 2/2014

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Abstract

Two-stage oxidation-sulfation roasting of nickel sulfide concentrate in fluidized bed was investigated to generate water-soluble metal sulfates as an alternative process to smelting of the sulfide concentrate for the recovery of valuable metals. The first stage, i.e., oxidation roasting, was employed to preferentially oxidize the iron before performing sulfation roasting. A batch fluidized bed roaster was constructed for roasting tests. Roasting products from various roasting temperatures and different roasting times were analyzed by SEM/EDS, EPMA, XRD, and ICP-OES to investigate the oxidation roasting behavior of the nickel concentrate as a function of temperature and time.
previous article Effect of Na2O and B2O3 on the Crystallization Behavior of Low Fluorine Mold Fluxes for Casting Medium Carbon Steels
next article Fluidized Bed Selective Oxidation-Sulfation Roasting of Nickel Sulfide Concentrate: Part II. Sulfation Roasting

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Metadata
Title
Fluidized Bed Selective Oxidation-Sulfation Roasting of Nickel Sulfide Concentrate: Part I. Oxidation Roasting
Authors
Dawei Yu
Torstein A. Utigard
Mansoor Barati
Publication date
01-04-2014
Publisher
Springer US
Published in
Metallurgical and Materials Transactions B / Issue 2/2014
Print ISSN: 1073-5615
Electronic ISSN: 1543-1916
DOI
https://doi.org/10.1007/s11663-013-9958-x

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