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Browsing by Subject "leaching"
Now showing items 1-15 of 15
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A study of thiosulfate leaching of gold from carbonaceous ore and the quantitative determination of thiosulfate in the leached solution
(University of Nevada, Reno, 1987)The objective of this study was to investigate leaching of gold from carbonaceous ore using ammoniacal thiosulfate solutions, and to determine the consumption of thiosulfate during leaching. The quantitative determination ... -
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Dissolution and cation exchange studies of asbestos minerals in aqueous media
(University of Nevada, Reno, 1972)Dissolution studies of amosite, crocidolite, and crysotile fibers were carried out in acid and salt solutions. -
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Geology and mineralization of the Lucky Hill pit, Candelaria mine, Mineral County, Nevada
(University of Nevada, Reno, 1988)The geology and mineralization of the Lucky Hill Pit was studied. -
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Hydrophobic bacteria mycobacterium phlei as flocculating agent and flotation collector for hematite
(University of Nevada, Reno, 1992)M. phlei is an excellent flotation collector for hematite. Furthermore, M. phlei is flocculent for hematite. The flotation of hematite with M. phlei can be explained using the DLVO theory. -
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Insitu leaching: The effect of temperature and pressure on the permeability of uranium bearing rock
(University of Nevada, Reno, 1979)This thesis concerns the insitu leaching of low grade uranium deposits that would be infeasible to mine by conventional mining methods. Initially, the report deals with the actual leach mining process, from well construction, ... -
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Jasperoid and disseminated gold at the Ogee-Pinson Mine, Humboldt County, Nevada
(University of Nevada, Reno, 1978)Jasperoid at the Cgee-Pinson disseminated gold deposit is genetically related to gold mineralization. Jasperoid formation and gold mineralization accompanied low to moderate temperature and pressure hydrothermal activity. ... -
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Metallurgy for the retreatment of cobalt residue
(University of Nevada, Reno, 1938)No abstract is presented. -
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Prevention of acid mine drainage by agglomeration of reactive tailings with selected binders and bactericidals
(University of Nevada, Reno, 1994)Acid mine drainage is one of the largest environmental problems facing the mining and processing industries. Sulfide ores that are generated during the mineral dressing unit operation are the main source of acid mine ... -
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Studies on thiourea leaching of finely-divided gold ores
(University of Nevada, Reno, 1981)Laboratory leaching experiments were conducted to ascertain the effectiveness of acidic solutions of thiourea, CS(Nh2)2, for dissolving gold from finely disseminated gold ores. The ores tested were from the Chipmunk orebody ... -
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Technical and economic feasibility study for a copper mine and mill using segregation, leaching, solvent extraction and electro-winning
(University of Nevada, Reno, 1969)This report deals with recently perfected technological developments that may add to the world's future copper supply. A laboratory study of the applicability of the segregation process to a high carbonate copper ore was ... -
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The continuous leaching of zinc concentrate with chlorine in a bubble-cap tray column
(University of Nevada, Reno, 1981)A study was conducted concerning the feasibility of using a bubble-cap tray column for the continuous leaching of a zinc concentrate with chlorine. A 15.2 cm by 152.4 cm plexiglass column with five bubble-cap trays was ... -
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The dissolution kinetics of fibrous amphibole minerals in water
(University of Nevada, Reno, 1971)Short term experiments lasting for thirty minutes on dissolution of amosite and crocidolite gave congruent dissolution. The rate of dissolution was found to depend on pH, surface area and stirring rate. The kinetics of ... -
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The effect of thiobacillus ferrooxidans on argentite, stibnite, and a stibnite-silver ore
(University of Nevada, Reno, 1975)Experiments were performed to determine the usefulness of Thiobacillus terrooxidans in treating silver sulfide ores and silver bearing antimony sulfide ores. Tests were conducted on artificial silver sulfide, artificial ... -
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The extraction of metals from metal containing catalysts by supercritical fluids
(University of Nevada, Reno, 1989)Experiments were conducted to determine the feasibility of leaching cobalt from a hydrotreating catalyst material using supercritical aqueous ammonia solvents. Supercritical phase leaching conditions were attained using a ... -
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The kinetics of chlorine leaching of zinc-lead sulfide flotation concentrates
(University of Nevada, Reno, 1981)The United States Bureau of Mines' chlorine-oxygen leach process for the treatment of complex lead-zinc sulfides was analyzed.