Flotation of Salt-Type Minerals

Hanna, H. S. ; Somasundaran, P.
Organization: Society for Mining, Metallurgy & Exploration
Pages: 76
Publication Date: Jan 1, 1976
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The separation of minerals such as apatite and scheelite by flotation from other salt-type minerals such as calcite is extremely complex owing to the close similarity between their physicochemical properties. In this paper, properties relevant to flotation such as crystal structure, solubility, surface charge and adsorption behavior of important salt-type minerals are examined along with the role of inorganic modifying agents such as silicates and polyphosphates and organic modifying agents such as starch and tannin. Flotation characteristics of these minerals are then reviewed and selected separation problems involving salt-type minerals are discussed.
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