Increased Yield in Mineral Flotation - METTLER TOLEDO

Increased Yield in Mineral Flotation

Increased Yield in Mineral Flotation
Increased Yield in Mineral Flotation

Mineral separation is most commonly achieved through froth flotation. pH control is vital to maximizing mineral yield, minimizing chemical use and altering the zeta potential. Our white paper, "pH, Zeta and Froth", examines the importance of pH in froth flotation efficiency and how Intelligent Sensor Management technology has further improved efficiency.

Froth flotation is perhaps the most widely used method for mineral separation and concentration. Feeding of collectors and regulators is necessary for transferring the maximum quantity of minerals to the froth. The importance of pH level during the process for mineral quality, process yield and chemical efficiency is well recognized.

What is less well known is the relevance of the zeta potential of the pulp. The zeta potential affects suspension stability; too low and flocculation occurs leading to poor selectivity in flotation, too high and the suspension remains stable. As the zeta potential is affected by the pulp pH level, this is a further reason why pH control is crucial for successful flotation operations.

A white paper examines the role of pH and the importance of the zeta potential in froth flotation, and describes an "intelligent" pH measurement system that predicts its own maintenance.

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