Research Progress of Ilmenite Surface Modification Flotation Separation Technology
Froth flotation is one of the important methods for separating complex and refractory ilmenite ores.In recent years,there are numerous studies based on mineral surface modification to improve ilmenite flotation performance,but there are relatively limited reviews on the research progress of ilmenite surface modification flotation separation technology.This paper reviews the factors affecting the surface modification of ilmenite and highlights the current research status regarding ilmenite surface modification techniques,including surface dissolution,introduction of metal ions,external field force modulation,and Fenton oxidation.The advantages and disadvantages of each modification technique are discussed,and their mechanisms of action are analyzed.Finally,the more promising modification methods are summarized,and the application of non-homogeneous Fenton method in ilmenite beneficiation is further presented.This provides a reference for the flotation separation of ilmenite and its associated gangue minerals.
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