Effect of fine particle sizes on sulfide flotation
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Effect of fine particle sizes on sulfide flotation

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Published by Colorado School of Mines in Golden .
Written in English


  • Flotation.,
  • Particles.

Book details:

Edition Notes

Statementby Arthur P. Wichmann and Roshan Boman Bhappu.
SeriesQuarterly of the Colorado School of Mines,, v. 50, no. 2
ContributionsBhappu, Roshan Boman, joint author.
LC ClassificationsTN210 .C68 vol. 50, no. 2
The Physical Object
Pagination37 p.
Number of Pages37
ID Numbers
Open LibraryOL6193488M
LC Control Number55062691

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There is a marked particle size effect on both R and K. Table V gives an example of increasingly finer grinds in flotation with a different sulfide ore blend. Within the times of grind indicated, there is a tendency for both the over-all R and K values to increase with finer grind [see also Table III of reference]. This trend continues until sufficient fine material is produced (e.g., note the. The effect of NaHS was more significant on fine molybdenite with a high edge/basal ratio. S n 2− /S 8 formed on edge surface improving molybdenite flotation at a low NaHS concentration. Basal surface was unsusceptible of NaHS due to its low surface : Yang Chen, Xumeng Chen, Yongjun Peng.   Particle size is an important factor affecting the basal/edge ratio of molybdenite and its flotation behavior. The basal/edge ratio of molybdenite decreases with a decrease in particle size and therefore smaller molybdenite particles show less surface hydrophobicity and lower floatability (Castro and Correa, , Yang et al., ).Author: Yang Chen, Xumeng Chen, Yongjun Peng.   One part of the samples was used for the full-scale flotation conditional tests, and another part was fractionated into five size fractions using Tyler screens (− + 74 μm, −74 + 58 μm, −58 + 43 μm, −43 + 20 μm, −20 μm) for the study of the particle size effect on Cu Au and Pb flotation separation.

This study investigates the effect of gangue particle size on the recovery of ultrafine and fine (10–50 µm) particles. Due to efficient flotation of fine particle in the Jameson cell, it. Flotation of fine particles is challenging for the mineral industry. The recovery of such particles is generally low in conventional flotation conditions (Sivamohan, , Rulyov, ).An industrial example of low flotation recovery of fine particles is presented in Fig. fine and coarse particles have a poor flotation recovery compared to the middle size particles.   DELTA, B.C. – Eriez Flotation Division (EFD) has just released a new white paper titled “A New Paradigm in Sulfide Processing,” written by Mike Mankosa, Ph.D., executive VP of global special report explores a split-feed circuit developed by EFD which was specifically engineered to extend the particle size range for sulphide flotation beyond what is .   Effect of Collector Concentration on Flotation Recovery. Xanthates are the salts of xanthic acid (alkyl/aryl dithiocarbonic acid) and are formed through the replacement of two oxygen atoms in carbonic acid by sulfur and replacement of one hydrogen atom by an alkyl/aryl group. 22 They are commonly used as a standard collector for sulfide minerals, and their .

During slag tapping, some copper sulfide is mechanically entrained. As a result, it is necessary to recover copper matte from the slag by suitable methods. At present, the most common way is slow, controlled cooling in a transfer ladle. However, research on the detailed effects of slow cooling and the function of slag modification is rare. Fluid Inclusion Effect in the Flotation of Sulfide Minerals gives a detailed introduction to how fluid inclusions affect the flotation of sulfide minerals. The book introduces the various fluids found in geology, detailing the properties of fluid inclusions and .   (). The Effect of Bubble Size on Fine Particle Flotation. Mineral Processing and Extractive Metallurgy Review: Vol. 5, No. , pp. The aim of this study was to determine the effect of particle size on the oxidation and flotation behavior of galena particles. Coarse (+ mm), intermediate (+ mm) and fine ( mm) galena particles were used in this study. Dissolution tests demonstrated that the amount of oxidation products increased with the decrease of particle sizes. The surface .