Zeolites were first recognized as a new group of minerals by Cronstedt with the discovery of stilbite in 1756. The word zeolite was coined from
New is a relative term, and when used with reference to a concept as old as shaft kilns can be applied to a number of
The never ending search for lower unit costs led Pima Mining Company’s management to study various alternatives shortly after Expansion III was completed. It soon
The purpose of this article is to present design information and operating data on a pilot gas scrubber which is believed to be a new
Principal factors influencing equipment selection can be grouped into five basic categories. Tonnage Requirements, Ore and Waste, Topography and Property Line Considerations, Ore Control Requirements, Physical Characteristics of Ore
The transportation of mine products incurs a cost which can have a significant bearing on the competitive position of the product. This statement not only holds
The development of a new means of measuring the relative abrasivity of a slurry came about by necessity in 1967 during a full scale loop
The copper-silver-mercury orebody of Gortdrum Mines (Ireland) Limited is located 3 miles north of the town of Tipperary in the Republic of Ireland. The first
The first motors of this type were built to drive ball mills in the cement industry, which are very similar to those employed for ore
First, the hydraulic excavator enjoys tooth forces of the shovel because the dipper is attached to the machine with a dipperstick and boom, and can