Acid mine drainage sludge is produced when an acid drainage stream is treated with lime, sodium hydroxide, ammonium or sodium carbonate in order to neutralize
The mining and mineral industries generate large amounts of fine particle slurries which are presently dewatered by impoundment, thickening, filtration or flocculation. Flocculation is a
In testing and designing coal flotation circuits, there are still a lot of unanswered questions. It is still not clear whether it is better to
Stripping of gold and silver from carbon is effected by means of two main processes (AARL and ZADRA). The main rate-enhancing parameter in the stripping
Microwave Digestion Systems (MWD) were popularized by the US Bureau of Mines (USBM) back in the early 1980’s. The USBM published a series of papers
Canada is a producer of natural refractory minerals, electrofused minerals, and synthetic refractory minerals. Several deposits also have good potential for development. During the past
The selective flotation of alkali halide salts such as KCl and NaCl is of great industrial significance and has been considered by flotation chemists for
Mining Companies employ the use of mine hoists to transfer ore, men and materials through a vertical shaft or slope. With varying depths, payloads and
The dissolution behavior of copper and gold from their pure state and from Au/Cu alloys in cyanide solutions has been investigated using a rotating disc.
The management of solid waste is an ever increasing concern in the United States. Every year our nation generates between 140 to 160 million tons