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The association of nickel with goethite and hematite is of importance for various processes concerned with nickel extraction. The adsorption of Ni 2+ (aq) by goethite and hematite in aqueous solutions were investigated over the pH range of 3 to 9. Similar tendencies were exhibited by both minerals. Firstly, an increase in nickel adsorption as the pH increased from 3 to 8 was observed...
More than 80% of Western Australian iron ore contains an average of 0.15% phosphorus, and attracts a penalty due to its high level of phosphorus when it is exported. At the current rate of mining, identified premium grade iron ore with low phosphorus content (<0.05%) will be depleted in 30 years. The development of an economical dephosphorisation process is critical for the future success of the...
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