Cyanide has been used in the mining industry for gold and silver recovery for almost a century. It is cost-effective and achieves excellent extractions from
Pelletization is the unit operation of agglomerating moist particulate materials by tumbling in horizontal rotating drums or inclined discs. Pelletization has extended the life of
Flocculation is the process of agglomerating fine particles in solid-liquid suspension by using a high molecular weight long chain polymer as a flocculant. It is
The dewatering of flocculated clay suspensions by compression in a centrifugal field has been investigated. The results are evaluated with regard to both direct applicability
The flotation process may be considered an interactive system consisting of many chemical, operational, and equipment variables. Changing any one of these variables causes an
During several years of operation in Europe, South Africa and other countries, the Tri-Flo has demonstrated to represent a substantial improvement of the dense medium
Evidence for the floatability of sulphide minerals without collector is analyzed and it is shown that results obtained with ores, in contrast to those with
Using a Mark IV surface force apparatus, adsorption of dodecylamine hydrochloride on mica has been studied at pH 5.7 in the presence and absence of
Cutoff grade is defined as the grade that is normally used to discriminate between ore and waste within a given orebody. Although the definition of
Kaolin is a white, naturally occurring, hydrated aluminum silicate that is formed by the weathering of feldspar. Commercially significant deposits of paper grade kaolin are