The economics of pellet plant operation, in terms of fuel and power consumption, flexibility in the selection of the cheapest fuel source, system availability, maintenance
Cyanidation of gold and silver ores by conventional mining and milling techniques has been practiced for over a century. During the past decade, heap leaching
High pressure fluid energy grinding, or jet milling, is a versatile method of continuously fracturing solids into fine particles to gain substantial increases in exposed
The objective of this study is to evaluate methods to improve the selectivity in flotation of the slightly soluble minerals, typified by calcite, fluorlte and
The Anaconda Minerals Company operates a molybdenite and copper producing mine and mill facility near Tonopah, Nevada. Included with the milling facility is a ferric
Addition of vanadium to iron and steel gives improved product properties such as increased strength, improved machinability, reduced distortion, simpler heat treatment, better weldability, increased
The pouring of the first dore bar on April 21, 1983, marked the conclusion of an engineering and construction project which brought about the revival
Lead is one of the oldest metals known to man and has been used for hundreds of years. The method for producing lead from galena
The solvent extraction unit of both systems contained four extraction and four stripping stages through which aqueous and organic phases flowed continuously and counter-currently. Each
Electrolytic Method for Recycling Scrap Batteries Objective To devise an economical, environmentally acceptable method for recycling scrap lead-acid batteries. Approach A combination electrorefining-electrowinning method