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The effects of pretreatment conditions, ionic strength, collector type, chain length and temperature on the cationic flotation of oxide minerals
AuthorScott, Jeffrey Lynn
AdvisorSmith, Ross W.
Mining and Metallurgical Engineering
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The effects of mineral pretreatment, ionic strength, pretreatment temperature, and cationic collector type on the flotation characteristics of quartz and magnetite were investigated. The extent of crushing prior to pretreatment had a significant influence on quartz flotation recovery from approximately pH 2 to pH 8. Alkyl amine collector chain length and the presence of one or two functional amino groups were critical parameters related to ionic strength. Increasing the pretreatment temperature had a slight depressing effect on quartz and magnetite flotation recoveries. In most cases, n-dodecyl-1, 3-diaminopropane was a superior flotation collector to n-dodecylamine for the recovery of quartz and magnetite.
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cationic collector type
flotation characteristics of quartz
flotation characteristics of megnetite
quartz flotation recovery
Alkyl amine collector chain length
functional amino groups
quartz flotation flotation
magnetite flotation recoveries
recovery of quartz
recovery of magnetite
Mackay Science Project
Showing items related by title, author, creator and subject.
.Gorman, Mark G. (University of Nevada, Reno, 1988)The effect of particle size and shape was studied in the quartz and n-dodecylamine flotation system through the use of sized quartz and glass beads. In addition, the degree of flocculation of the floated material is compared ...
.Moore, Donald Carl (University of Nevada, Reno, 1971)The flotation rates of quartz, sphalerite, galena, and the samples of copper ores which were examined, follow a first order rate equation of the type: - d(C-Cco) _ K(C-Coo) where Coo is the concentration of the mineral in ...
.Schroeder, Charles Warren (University of Nevada, Reno, 1970)Amphoteric collectors may be of considerable interest in the area of froth flotation because they combine in the same molecule positive and negative functional groups. Such structure in a collector molecule would indicate ...