The tensile strength of rock is its weakest property, and this property apparently enters into all failure phenomena, whether underground or on the slope of
A study has been made of the reaction mechanisms occurring during the salt-roast process to form water-soluble sodium vanadate compounds from the vanadium oxide compounds
This paper summarizes the results of an investigation sponsored by The Coates Steel Products Company. The objective was to determine the relative effects of certain
When is use of a flocculant justified in terms of overall process economy? when it results in process improvement, such as producing a clear liquor
A unique compression testing machine was constructed to load individual 1/8 to 1-in. spheres of glass, etc., at rates from 100 to 100,000 lb per
Talking about engineering economics in mill design reminds me of an old saying “There are several ways to handle women but nobody knows what they
To calculate theoretical horsepower required by a grinding mill to reduce feed material to a certain size from Bond grindability test data, it is necessary
Advances in hydrometallurgy during recent years resulted in greater attention being focused on the various unit operations involved. Some steps, similar to normal beneficiation practice—crushing,
The preparation of aggregates is a form of mineral processing which has been taken for granted for many years, mostly because of its lack of
The Alimak Raise Method, using the Alimak Climber, has proven to be a new, fast, economical method of driving raises at the Iron King Branch