Influence of frother concentrations and types on entrainment in column and conventional flotation cells [Kolon ve mekanik flotasyon hücrelerinde köpürtücü miktari ve türünün su ile taşinima etkisi]
Abstract
Entrainment refers to materials which are water-entrained without attaching to the foam. It is usually neglected in conventional and column flotation systems. In this study, a group of experiments were carried out with a mixture (1:1 ratio) of artificial minerals of high purity calcite (97, 78% CaCO3) and celestite (97, 20% SrSO4). Entrainment were calculated using Denver type flotation machines in different frother types and concentrations, and compared with the results of the experiments in Kursun (2017) at column flotation. Entrainment factor calculated for column flotation was lower than the one for conventional flotation. Conventional Flotation; Pi MIBC (0, 471) < Pi Pine Oil (0, 495) Column Flotation; Pi MIBC (0, 365) < Pi Pine Oil (0, 480) Consequently, the frother concentration and type significantly affect the entrainment, recovery and selectivity of concentrate as it is seen in both flotation cells. Minimum water and calcite recoveries were provided with 80 g/t of frother concentration for MIBC in column flotation. (4th minute residence time). Kirjaveinen (1988; 1989) model was used for describing a specific entrained factor (Pi) of hydrophilic particles in this study.
Source
MadencilikVolume
56Issue
2Collections
- Makale Koleksiyonu [5745]