Richard Havens

Joe B. Rosenbaum

William I. Nissen

Flotation of Bertrandite and Phenacite from Mount Wheeler, Nev., Beryllium Ore

Continuous flotation studies were made at a 50-lb-per-hr feed rate to confirm the effectiveness of a batch-scale procedure for concentrating phenacite and bertrandite minerals from Mount Wheeler ores that contained, in percent, 0.47, 0.78, and 4.7 BeO. The procedure for selective froth flotation of the beryllium minerals from a gangue composed chiefly of calcite, fluorite, and mica comprised closely controlled preconditioning with sodium fluoride and sodium hexametaphosphate in a series of small mechanically agitated tanks and use a mixture of oleic acid with kerosine, fuel oil, or turpentine as a collector.

Laboratory Continuous Flotation of Bertrandite and Phenacite from Mount Wheeler, Nev., Beryllium Ores

Karl C. Dean

Kimball T. Harper

Chemical and Vegetative Stabilization of a Nevada Copper Porphyry Mill Tailing

R. H. Sprute

D. J. Kelsh

Carlon Sanford Land

Fred N. Kissell

Seth C. Schaefer

Kenneth E. Hjelmstad

Albert R. Rule

Carl Belser

Francis M. Carlson

Karl Clyde Dean

Laurance L. Oden

Parviz F. Rad

Verne E. Hooker

Walter K. Sawyer

Warren W. Krech

Boyd D. Nash

Charles David Locke

Charles W. Clark

Frank A. Henderson

James R. Aggson

Richard C. Olson

David L. Bickel

Marshall O. Butler

Martin W. Glantz

(in Two Parts) 2. Application to Various Types and Classifications of Tailings

Laboratory Experiments in Electrokinetic Densification of Mill Tailings

Richard Havens

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