Mineral-dressing Investigations of the Recovery of Pyromorphite from a Newton County Mo., Deposit
D. W. Frommer · M. M. Fine
Jan 1956 · U.S. Department of the Interior, Bureau of Mines
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5
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About this ebook
The investigation reported in this paper is one of several included in a broad program of developing new or improved concentration processes for the oxidized and partly oxidized deposits of lead and zinc. A sample from the Playter lease, Newton County, Mo., containing pyromorphite was successfully concentrated by fatty acid flotation to a grade of over 62 percent lead. Owing to the presence of a high content of slime-size values, the overall recovery of lead at that grade was limited to 44 percent.
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