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Minerals Beneficiation - An Infrared Study of the Flotation of Hematite with Oleic Acid and Sodium OleateBy M. E. Wadsworth, L. H. Raby, A. S. Peck
Infrared spec troscopy was used to study the adsorption of oleate collector on three varieties of hematite. Each of the minerals was found to react with either oleic acid or a solution of sodium oleat
Jan 1, 1967
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Welded Pressure VesselsBy R. K. Hopkins
Fox a great many years fusion welding has been used in and around petroleum refineries, but it is only within six or seven years that the more important pressure vessels have been constructed by this
Jan 1, 1935
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Metals Branch and DivisionsExtractive Metallurgy Division Institute of Metals Division Iron and Steel Division Council R R McNaughton, Chairman (EMD), Ernest O Kirkendall, Secretary, J H Scaff, (IMD), Morris Cohen, (IMD), T
Jan 1, 1954
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Ten Years Of Catalyst Recycling; A Step To The FutureBy Andrew Case
The Port Nickel facility in Braithwaite, Louisiana, is known for pioneering hydrometallurgical processes for the 'separation and recovery of nickel, cobalt and copper. Ten years ago, in 1985, a n
Jan 1, 1995
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Labor Conditions And Mining MethodsNot many accounts of mining methods or labor conditions in the mines in early days can be found; all that have seemed to be authentic have been included in the preceding chapters. In practically every
Jan 1, 1942
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Productividad y capacitación de la minería en el PerúBy Othoniel Galarza A
El presente trabajo analiza la productividad actual en la minería, a partir del bajo rendimiento personal encontrado en la mayoría de minas subterráneas. Es decir, no se logra superar la tonelada por
Nov 20, 1978
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The Influence of Control and Mechanical Conditions of Certain Parameters on JiggingJigging is a process of particle stratification in which the particle rearrangement results from an alternate expansion and compaction of a bed of particles by a pulsating fluid flow. The rearrangemen
Jan 1, 2010
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Sampling Practices And ProblemsBy Mark W. Springett
The sampling of precious metal deposits entails inherent problems due to the low mineral abundances, high mineral specific gravities, skewed grade distributions and wide ranges of mineral particle siz
Jan 1, 1984
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RI 9206 - Model of Coal Dust Explosion Suppression by Rock Dust EntrainmentBy John C. Edwards
The Bureau of Mines developed a mathematical model to calculate the aerodynamically induced lifting of coal and rock dust from a composite deposition on a mine entry floor and the subsequent transport
Jan 1, 1988
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The Princeton Coal Field British ColumbiaBy E. R. Hughes
Introduction Situated 182 miles east of Vancouver, on the Kettle Valley branch of the Canadian Pacific railway, the Princeton coal field is readily accessible to the Coast markets. The area covers
Jan 1, 1947
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Impact of Air Distribution Profile on Banks in a Zn Cleaning Circuit (7e803669-0db8-4622-9392-dbc63c206bdb)By R. Dahlke, J. A. Finch
"A campaign was undertaken during the greater part of 2001 at Noranda’s Brunswick Mine Concentrator to investigate the role of gas (air) superficial rate distribution (Jg profile) to the cells in the
Jan 1, 2004
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Centrifuge Dewatering Of Fine Coal RefuseBy L. S. Rubin
The efficient and acceptable disposal of fine coal refuse (28MxO) is one of the highest priority problems facing the coal industry today. For many years the established system for the disposal of this
Jan 1, 1978
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Part II – February 1969 - Papers - The Influence of Oxygen Content on the Grain Size of Undercooled SilverBy G. L. F. Powell, L. M. Hogan
Samples of silver and Ag-O alloy, 0.12 wl pet, have been undercooled to a maximum of 250°C by melting in a slag of commercial soda-lime glass. Grain refinement occurred in undercooled silver samples w
Jan 1, 1970
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Oil Shale Mining - Present And FutureBy R. B. Crookston
This paper presents the status and mining method chosen by each of the active underground oil shale projects in the united States today. Potential improvements in equipment and methods on the near-ter
Jan 1, 1981
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Finishing And Deoxidation Practice (3f985b96-9412-4366-ade4-92e398b565c1)THE refining period of an open-hearth heat blends imperceptibly into the finishing period, during which final adjustments are made in slag composition, in bath action and temperature, and in compositi
Jan 1, 1964
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Kinetics of Flotation of Copper Tailing from Benambra Mines, VictoriaBy Boontanjai C, Boyapati ER
Reagents used for batch flotation tests were Aeroxanthate-343 & 350, Dow Z-6, & reagent-4037 (from Benambra) as copper collectors; Na2SiO3 & Na2S2O3as gangue depressants; lime & HCl as pH regulators;
Jan 1, 1990
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Metallurgical Practice In The Witwatersrand District, South Africa (f815f882-6744-40ed-8a79-495e4279e327)By F. L. Bosqui
Discussion of the paper of F. L. Bosqui, presented at the San Francisco meeting, September, 1915, and printed in Bulletin No. 101, May, 1915, pp. 997 to 1033. H. A. WHITE, Springs, Transvaal (commun
Jan 1, 1916
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List Of Members – Members - Junior Members – Associates - Junior Foreign - Affiliates - Student Associates (e8aac562-90f3-4929-964b-319bb061fcc9)[Aase, Qlenn D., (Junior Member '40) Jr. Met.. American Smelt. & Refin. Co., Selby. Calif. Abadie, Henry G., (Junior Member '43) Petr. Engr.. Avenal, Calif. Abbott, Clarence E., (Member &apo
Jan 1, 1946
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Concentration of the Complex Copper-Lead-Cobalt-Nickel Ores of Southeast MissouriBy M. M. Fine
THE results of a research and development lab- oratory and pilot-plant mineral-dressing investigation by the Bureau of Mines of the complex copper-lead-cobalt-nickel ores of southeast Missouri are rep
Jan 7, 1951
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Chapter 14. BoilerplateBy Karl J. C. Harries
"14.1. INTRODUCTION1The boilerplate of an agreement is not a single provision, but a series of provisions that are expected in “every agreement”. They are sometimes also referred to as the “lawyer’s p
Jan 1, 2003