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Authors,Issued Date,Title,DOI,Publisher,ID,Society Code V. Alesse; G. Belardi; J. Freund; L. Piga; N. Shehu,"Jan 1, 1998","Acidic Medium Flotation Separation Of ...
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In one such method as disclosed by S. Sobieraj et al. in Inst. Min. Metall., Trans. Sect. C, 1973 82 (December) 207, 13 chromite ore containing serpentine and olivine is subjected to flotation at …
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is used as collector,chromite, olivine and serpentine can be separatedat pH 2.5 and/or pH 5.5when employing ethylene diamine tetraacetate (EDTA) on previously deslimed mate rial. …
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Chromite is an important strategic mineral usually associated with other gangue minerals, mainly silicates. A good knowledge of the flotation behaviour of chromite and the …
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Pre-treatment of olivine has been investigated to collect chromite particles before carbonation. Chromite, ideally formed by FeO-Cr 2 O 3 combination, often contains other compounds e.g. …
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TY - CPAPER TI - Acidic Medium Flotation Separation Of Chromite From Olivine And Serpentine AU - V. Alesse AU - G. Belardi AU - J. Freund AU - L. Piga AU - N. Shehu PB - Society for …
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Above the HMC, while a sharp jump-off was obtained for the flotation of serpentine up to 4x10 -4 mol/dm 3 concentration with 97.9% recovery (Region II), the flotation of chromite increased up ...
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The most effective collector for chromite flotation with olivine gangue is sodium oleate, as indicated by various studies. Sodium oleate, along with other anionic collectors like modified …
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In the UG2 ore (Bushveld Complex, South Africa) flotation, normally more than 3% of the gangue minerals, principally chromite with talc and pyroxene, report to the concentrate …
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The magnetic carrier tests performed in the case of individual minerals (i.e. single minerals) showed that chromite (recovery of 95.1%) could be separated from serpentine …
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Abstract The physico-chemical interactions among minerals such as olivine, chromite and serpentine; the most commonly present ions in solution such as Ca and Mg; and flotation …
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Acidic Medium Flotation Separation of Chromite from Olivine And ...
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Flotation, selective flocculation, as well as magnetic carrier separation studies have also been carried out for different chromite ores to separate chromite from the gangue minerals …
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Application of selective flocculation using starch to separate chromite from serpentine has been investigated. It was determined that starch has a specific affinity towards …
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Amine flotation of chromite from acidic pulps . Nov 12, 1980 - The United States of America as represented by the Secretary of the Interior. Chromium values are recovered from pulverized …
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In one such method, chromite ore containing serpentine and olivine is subjected to flotation at an initial pH of 12 with an amine collectorfor the removal of serpentine;this isfollowed by the …
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Download scientific diagram | Separation by flotation of the (GL30 Olivine-M4 chromite) system at 3.3% chromite added with 150 mg/L CTMAB at pH 11 depending on the stirring conditions; (a ...
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Chromite and olivine samples were purified by magnetic separation and panning, washed with triple distilled water, and ground under 200 mesh by an agat mortar. Surface areas of chromite …
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For determination of the efficiency of chromite separation by flotation, the results of ... Besides X-ray diffraction analyses of various olivine, serpentine and chromite fractions have been ...
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The physico-chemical interactions among minerals such as olivine, chromite and serpentine; the most commonly present ions in solution such as Ca and Mg; and flotation …
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The physico-chemical interaction between minerals such as olivine, chromite and serpentine and the ions most commonly present in solution, like Ca and Mg and flotation …
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However, especially, Na-Oleate flotation of a chromite ore containing serpentine instead of olivine is very difficult because both minerals exhibit almost similar surface properties with chromite ...
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chromite and serpentine which formed as a result of alteration of serpentine group minerals such as olivine, chrysotile and talc. As seen in Fig. 1a, the sample was completely serpentinized.
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It was demonstrated that, when Na-oleate is used as collector, chromite, olivine and serpentine can be separated at p H 2.5 and/or p H 5.5 when employing ethylene-diamine tetraacetate …
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This paper describes the results of a series of physical separation, and chromite bench flotation tests that have been carried out at acidic and natural pH respectively, on UG2 …
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Acidic medium flotation separation of chromite from olivine and serpentine. Minerals and Metallurgical processing (1997) ... 1972; Malghan, 1981; Tang et al., 1988, 1993). For …
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In this study, possible separation of chromite from serpentine in fine sizes using a magnetic carrier was investigated as a function of pH, dodecylamine (DDA) dosage, and …
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The Gora sample consisted primarily of chromite and olivine, changing to serpentine with a small amount of orthopyroxene. The olivine ranged in color from green to yellowish …
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TY - CPAPER TI - Acidic Medium Flotation Separation of Chromite from Olivine and Serpentine (ABSTRACT PAGE) AU - G. Belardi AU - N. Shehu AU - S. Cico AU - G. Demi PB - …
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Separation by flotation of the (GL30 Olivine-M4 chromite) system at 3.3% chromite added with 50 and 150 mg/L CTMAB at pH 11 without stirring; a) fraction of recovered particles …
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"The depletion of the high-grade chromite ores and the inefficiency of the gravimetric methods to process fine particles has shifted the industrial and research interest from …
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