Effects of Si-bearing minerals on the conversion of hematite into magnetite during reductive Bayer digestion
Sign Up to like & getrecommendations! Published in 2019 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2019.105126
Abstract: Abstract Converting hematite to magnetite in Bayer liquor at elevated temperature plays a key role in the exploration of a cleaner technology for alumina production with high iron content bauxite. In this work, the effects… read more here.
Keywords: conversion; bayer digestion; bearing minerals; bayer ... See more keywords
Low-Temperature Electrowinning of Iron from Mixed Hematite-Magnetite Alkaline Suspensions
Sign Up to like & getrecommendations! Published in 2023 at "Journal of The Electrochemical Society"
DOI: 10.1149/1945-7111/acd085
Abstract: Iron ore represents a potential feedstock for the alkaline electrowinning of iron from suspensions. However, several difficulties can be imposed during the electrowinning due to the presence of several iron oxide types with different iron… read more here.
Keywords: low temperature; iron; electrowinning iron; alkaline ... See more keywords
Mechanism and Kinetics of the Reduction of Hematite to Magnetite with CO–CO2 in a Micro-Fluidized Bed
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DOI: 10.3390/min7110209
Abstract: The mechanism and kinetics of the reduction of hematite to magnetite in a laboratory-scale, micro-fluidized bed reactor were isothermally investigated. The procedure consisted of the isothermal heating in a flow of a 20%CO–80%CO2 mixture at… read more here.
Keywords: hematite magnetite; reduction; mechanism kinetics; kinetics reduction ... See more keywords