Ultrasonic Desliming

Ultrasonics can be used to deslime and upgrade ores, such as tungsten and tin, which slime excessively with high losses of value in the tailing

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gallium-zone-refiner
Hydrometallurgy

Gallium Purification

The acid leaching technique has been reported to produce gallium in which no impurities are detectable spectroscopically. Zone-refining, however, appears very effective in removing trace

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hydrometallurgy generalized process flowsheet
Hydrometallurgy

Hydrometallurgy of Uranium

During the radium boom in the early part of the twentieth century, the basic chemistry of uranium was fairly well defined. Uranium production has progressed

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titanium-chromium phase alloy
Smelting - Melting - Refining

Titanium-Chromium Phase Diagram

In view of the recognition of the potentialities of titanium and its alloys as important structural materials there has arisen a need for a systematic

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blasting ammonium nitrate close-up of mixing tube
Mining

Blasting with Ammonium Nitrate

In giving this subject the “broad-brush” treatment, it will be necessary to generalize on the major points which at the same time will permit me

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flotation environment controlled free bubble contact angle instrumentation
Flotation

Flotation Contact Angle

In the use of free bubbles with precise temperature control and continuous pH measurement, the contact angle apparatus differs from all previous equipment. Experimental procedures

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High Pressure Grinding Rolls

Table of ContentsHigh Pressure Grinding Roll Features & PerformanceHPGR ComminutionOperating Experience With HPGR in the Minerals IndustryGold Ore Treatment Problems High-pressure grinding rolls (HPGRs) have

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