The pumping of solids in water suspension is an important part of many metallurgical and mining operations. In most cases, it is still in the
In 1939 one of the authors described advances in carbon-cyanidation for the period 1932 to 1939 and included: (1) the dissolution of gold in an
Any mining engineer with a desire to operate independently, with some financial backing, and with no fear of heavy responsibility and long hours, should be
Anthracite Small power-driven, toothed, cast-iron rolls were used first to break anthracite in 1844. Prior to that time, men with hammers, who stood on perforated
Hand mucking in shaft sinking operations is no longer necessary because several efficient methods and machines have been devised for this purpose for use in
The primary purpose of the loading plant is to transfer the finished product from the preparation machines to the railroad car, truck, or barge in
Study of light adsorption, reaction rates, electrophoresis, particle packing, and corrosion is hindered by lack of a suitable method of preparing small amounts of closely
In shaft sinking for coal mines, the cost item greatly influences the method adopted. This holds true especially when soft material must be traversed. The
A knowledge of the magnitude of the irreducible interstitial water in a porous medium is so important to petroleum engineering that its determination has become
The recent increase in anode copper production at the Noranda smelter placed an additional load on the Montreal East plant of Canadian Copper Refiners Limited.