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Flotation Germanium Mineral

HOt Products

Ion flotation of germanium from fly ash aqueous leachates

May 01, 2006 The ion flotation experiments were performed at 25 °C, using a laboratory flotation machine KHD Humboldt Wedag AG with a flotation cell of 1500 mL of capacity.Each batch used 1000 mL of fly ash extraction solution that was vigorously stirred after the addition of the reactants.Dodecylamine was used as collector, and it was pre-dissolved in ethanol to facilitate its

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A study of the germanium—sodium oleate flotation system

Oct 01, 1987 The results of germanium flotation in 0.0001 mol/l sodium oleate aqueous solutions are presented. Zeta potential data and the results of IR spectrophotometric measurement suggest that flotation in the pH range from 0 to 4.5 is due to physical sorption of liquid oleic acid on to the naturally hydrophobic surface of germanium, whereas flotation in the pH range from 4.5 to 10 is caused by

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Separation of germanium and arsenic from solutions by

Aug 01, 1987 International Journal of Mineral Processing, 21 (1987) 83-92 Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands 83 Separation of Germanium and Arsenic from Solutions by Flotation K.A. MATIS, I.N. PAPADOYANNIS and A.I. ZOUMBOULIS Department of Chemistry (Box 114), Aristotle University of Thessaloniki, Thessaloniki (Greece) (Received June 9, 1986; accepted

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Ion flotation of germanium from fly ash aqueous leachates

In order to extract Ge germanium from solution, an ion flotation method using various complexing agents (pyrogallol, catechol, hydroquinone and resorcinol) in the pH range 4-7 was developed in Ref

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The mineralogy of Germanium Mindat Mines, Minerals

Most widespread minerals containing Germanium; This list of minerals containing Germanium is built from the mindat locality database. This is based on the number of localities entered for mineral species and is therefore slanted towards minerals interesting to collectors with less coverage of common rock-forming-minerals so it does not give an undistorted distribution of Germanium mineral

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(PDF) Tannins in Mineral Processing and Extractive Metallurgy

applications for quebracho in flotation with calcite minerals as the main gangue source . include barite a way to selectively remove the germanium from the rest of the residual metals and

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Zinc Ore an overview ScienceDirect Topics

Germanium minerals are not abundant, and the element is usually recovered from coal ash or the flue dust of zinc ores, with which germanium often occurs. Recovery of germanium is effected by preparing the tetrachloride (bp, 83 °C), distilling, hydrolyzing to GeO 2, and reducing with charcoal:

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(PDF) Tannins in Mineral Processing and Extractive Metallurgy

This study provides an up to date review of tannins, specifically quebracho, in mineral processing and metallurgical processes. Quebracho is a highly useful reagent in many flotation applications

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Flotation Germanium Mineral