In a previous article the authors outlined a study of the variables in rod milling and also reported data from a series of open circuit
The operations of the Electrolytic Zinc Co. of Australasia Ltd. involve the preliminary roasting of zinc concentrate from Broken Hill, New South Wales, at a
Moisture in coal must be considered as an impurity, just the same as ash, from the standpoint of utilization of the coal. Being incombustible, it
A method is outlined for the analysis of large cores, developed primarily for the purpose of obtaining reliable data on fractured or vugular limestones. Porosity
The phosphate ores mined in middle Tennessee typically consist of granular rock phosphate particles disseminated in a clayey matrix. In the TVA plant near Columbia,
A drill hole is bored in iron ore exploration principally to test variations in rock composition with depth and is usually directed as nearly normal
Wet-Process coal-washing tables as we know them today have been in use in this country for approximately 25 years. The literature records only a few
The high tension belt conveyor is introducing a new and tremendously expanded era of low cost bulk material handling. High tension belt conveyors are generally
So tonight’s topic of interest is kind of near and dear to me, I’m going to start with the first slide; Rocks and Gold Clues.
It is generally accepted that no method of coal cleaning except froth flotation is effective in cleaning dust. In the majority of coals mined in