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Image from web page 304 of “The flotation method” (1916)
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Identifier: flotationprocess00richuoft
Title: The flotation procedure
Year: 1916 (1910s)
Authors: Richard, Thomas Arthur, 1864-
Subjects: Flotation
Publisher: San Francisco Mining and Scientific Press
Contributing Library: Gerstein – University of Toronto
Digitizing Sponsor: University of Toronto
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Text Appearing Before Image:
Air Holes Fig. 68. the square glass jar machine for producing flotation tests. 296 THE FLOTATION Procedure second and smaller pneumatic-flotation unit, providing a concentratethat overflows into an ordinary laboratory vacuum-filter actuatedby a water or aspirating pump. The tailing from the cleaner-cellconsists of a middling that likewise flows to the sand-pump andbackto the Pachuca. Pulley.
Text Appearing After Image:
-Glass Jar. -4 Baffles. Impeller. ^ Wooden Cork.— Pipe Nipple.Check Valve. /Air Inlet. Fig. 69. owen test-machine. A novice will have no tiny difficulty in operating such aninstallation, as there are a number of issues to be kept in operationat the exact same time. The mixture of ore, water, oil, and any otherreagents is fed either into the suction of the sand-pump or into the topof the Pachuca after air has been started into the a variety of machines.The overflow from the Pachuca into the rougher-cell accumulates TESTING ORES FOR THE FLOTATION PROCESS—II 297 until a good froth is coming up and practically overflowing. Then thetailing-discharge valve on the rougher is progressively opened and frothallowed to overflow from the cell into the cleaner-cell. It is bestto get most of the charge circulating just before significantly concentrate-froth
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