For almost a decade now, very good operating experiences have been gained with a total of 28 gearless ring motor drives in the cement industry,
Several reasons contribute to the wide gap in the industrial application of the academic models. These include: 1) the lack of generality in the model,
Pinson Mining Company was formed to develop a gold orebody located in northern Nevada near Winnemucca. A feasibility study was undertaken in 1979 by a
The development of larger size flotation machines, which started in the 1950’s and 1960’s, is still proceeding. The largest mechanical flotation machines available today have
It has long been recognized that the conventional method of producing lead bullion from concentrates via the sinter-blast furnace route presents problems in meeting the
A great deal is known, in a qualitative sense, about the performance of High-G centrifuges. The manufacturers of these machines can give reliable guidance on
Since the petroleum crisis in 1973, the effect of the energy cost in the pellet production has been very severe with great risk to this
Continuing interest in processes that will effect separations in the fine particle size range has prompted intense interest in the use of high gradient magnetic
Current coal cleaning technology uses heavy media (HM) for the recovery of coal in particles larger than 1/16 of an inch. Through the use of
A physical model of flotation, derived from viewing froth as a kinetic species since it constitutes the carrier of ore particles, not only agrees with