Some of the variables encountered in the sintering of iron ores and their effect on sinter properties have been investigated at the Jones and Laughlin
In my opinion, the effect of mill speeds on grinding costs must be studied along with capital investment and dollars gathered together as profits. Comparing
A survey of the technical literature concerned with oil well drilling methods and particularly with rate of penetration by various cutting media on different types
The problem of tramp iron removal from moving ore belts is a long standing one. When heavy ore streams are carried on a belt, magnetic
A new method for concentrating the flake mica either from present washing plant tailings or from new feed has been developed. In this paper, flake
Ordinarily slimes have been classified as ranging from 75 microns, or 200 mesh, down to colloidal dimensions of less than one micron. At the same
Metallic aluminum is not found in nature, but the oxides, hydroxides, and especially the silicates are plentiful. The estimated percentage of aluminum in the crust
The Avalos unit of the Compania Minera de Penoles, S. A., operates the Alicante, Bonanza, Providencia, Albarradon, San Eligio, Nazareno, Leona, Salaverna, and Santiago mines
During the course of an investigation of the effects of various starch products on hematite and quartz in regard to their separation by flotation, it
I want to emphasize the point brought out: if solutions are absolutely pure, the tank-house troubles are very few. If you have one part in