Table of ContentsOperating/Maintenance Cost SavingsEnergy RequirementsImproved Pellet QualityEnvironmental Standards This paper describes some of the latest improvements that have been incorporated or planned by the
Table of ContentsStructural Design of Mill and BearingsStructural Design of the BearingOperational ResultsMaintenance of “Gearless Drive” Mill The reliability of large diameter, high horsepower ball
Table of ContentsBeneficiation StudiesFatty Acid FlotationPetroleum Sulfonate FlotationAmine FlotationDefluorinationConclusions and Discussion Samples of a topaz-bearing gneiss from Jefferson County, Colorado, and a topaz-bearing schist from
Filtration of the insoluble slimes flotation concentrates recovered 87 to 90 percent of the brine. Flotation concentrate filtration rates were 7 times faster than the
The response of feldspar flotation to tallow diamine dioleate collector in the presence of sulfuric acid is studied using, batch flotation experiments. Application of this
LIX63 in combination with DNNS selectively extracts nickel and/or cobalt from acidic leach liquors with pH values as low as 1.0. Nickel/cobalt and cobalt/nickel selectivities
Tar sand deposits in the State of Utah contain more than 25 billion barrels of in-place bitumen. Although thirty times smaller than the well-known Athabasca
Table of ContentsGround WaterTailings Area RunoffEffects On Streams Dissolved zinc concentrations averaged 9,400 µg/L (micrograms per liter) in water from abandoned lead and zinc mines,
Table of ContentsExperimentalThe OrganismsAssaysCulturing MethodsH2O2Test MethodsResultsManometry ExperimentsGrowth StudiesH2O2 in Simulated Leach SystemDiscussionAcknowledgements In recent years, hydrometallurgical processes for recovery of metal values from low-grade ore
Table of ContentsCut-Off GradeStripping RatioSlope AngleModel for Selecting the Range of Slope Angle The economic limit of an open pit mining operation is dictated by