Abstract
Due to increasingly complex mineralogy, steadily decreasing ore grades and ever increasing economic and environmental pressures, the mineral processing industry over the past decade had to evolve appropriate means to treat these difficult-to-process ore deposits. Some of the important emerging trends and the evolutionary changes which have occurred in mineral processing technology; are reviewed. This includes the areas of quantifying mineral liberation, in the design of new size reduction devices like high pressure rolls mills, advances in gravity separation and magnetic separation, development of new flotation machines like column flotation and flash flotation, design and testing of new flotation reagents and the new technologies based on a combination of physical and chemical separation methods are reviewed. The challenging areas of current research efforts have been highlighted.
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