solvent-extraction flowsheet
Hydrometallurgy

Solvent Extraction of Nickel and Zinc

Solvent extraction of a waste solution from the phosphating of automobile bodies led to the following conclusions: Separate zinc, nickel, and phosphate products, essentially free

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scrap tires pilot plant
Recycling

Scrap Tire Distillation

Destructive distillation was demonstrated to be a technically feasible method of disposing of and obtaining potentially valuable products from scrap automobile and truck tires. The

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uranium tailings environmental survey
Environment & Tailings

How to Stabilize Uranium Tailings

An environmental radiological survey was conducted on the El Paso Natural Gas Co. uranium tailings pile at Tuba City, Ariz., in May 1967, by the

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chalcocite-concentrate fluid-bed reactor
Pyrometallurgy

Chalcocite Oxidation Roasting

The Bureau of Mines Twin Cities Metallurgy Research Center is engaged in a study to uncover a cleaner, more direct pyrometallurgical process for winning copper

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respirator face fit apparatus arrangement
Blog

How to Evaluate Face Respirator Fit

For the past few years there has been increasing interest among respirator users in determining quantitatively the degree of protection afforded by protective respiratory devices.

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