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The following possibilities exist in the case of sulfidic gold ores: • Bulk sulfide flotation for further treatment (ultrafine grinding [UFG] or preoxidation) • Sequential flotation from gold-bearing base metal-sulfide ores • Separation of gold-bearing arsenopyrite from barren pyrite
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using mechanical flotation cells and column flotation. Samarco Mine ' s product is about 15.5 million tons per year of crude concentrate at an iron grade of 67.17% and contain-
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A Copper Flotation Flowsheet. Because the copper in this type of ore usually assays only plus or minus 1% copper, the porphyry copper operations must be relatively large in order to be commercial. The flowsheet in this study illustrates a typical 3,000 ton per day operation. In general most operations of this type have two or more parallel ...
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The effect of pH on sulphide flotation examined paying particular attention to the pulp potentials involved. Discover the world's research. …
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Biblio data only below the dashed line. Full text data coming soon.
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Flotation of sulfide mineral species with oils - Versitech . Dec 07 2004 What is claimed is 1. A method for beneficiation of a mineral sulfide-containing material by air-injection froth flotation in the presence of a collector the method comprising a providing an aqueous slurry of the mineral sulfide-containing material b adding a selective ...
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In practical operation the function of promoters may be considered two-fold: namely, to collect and select. Certain of the xanthates, for instance, possess both collective and selective powers to a high degree, and it is reagents such as these that have made possible some of the more difficult separations. In bulk flotation all of the sulphide minerals are collected …
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In copper-gold flotation plants, pyrite which is depressed in copper flotation is often floated subsequently with the addition of sodium sulfide (Na 2 S) to recover the associated gold. For the first time, this study investigated the role of Na 2 S responsible for the flotation of pyrite depressed in chalcopyrite flotation through flotation tests and Cyro-XPS (X-ray …
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Abstract: This invention is directed to the use of non-sulfur containing compounds as collectors in the froth flotation of certain mineral sulfide and metallic compounds. These non-sulfur-containing compounds may be from natural sources, such as vegetable oils, or synthesized commercial sources. These non-sulfide collectors can be used singularly, in combinations, and in …
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Mining Industry Copper Sulfide Ore and Flotation Process. Jul 09, 2019· (6) Copper-cobalt ore Copper mineral and cobalt-containing pyrite and other cobalt minerals. (7) Arsenic sulfide copper ore The ore has a high content of arsenic, which is mainly in the form of arsenopyrite. Flotation process to solve the problem of copper and arsenic ...
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This invention is directed to the use of non-sulfur containing compounds as collectors in the froth flotation of certain mineral sulfide and metallic compounds. These non-sulfur-containing compounds may be from natural sources, such as vegetable oils, or synthesized commercial sources. These non-sulfide collectors can be used singularly, in combinations, and in …
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History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for
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During flotation of gold-bearing massive sulphide ores, the emphasis is generally placed on the production of base metal concentrates and gold recovery becomes a secondary consideration. In some cases, where significant quantities of gold are contained in base metal ores, the gold is floated from the base metal tailings. ...
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area of air that is rising through the flotation cell by reducing the bubble diameter (i.e., micro- or pico-bubbles) or by increasing the gas rate. Even with the generation of smaller bubbles, recovery can still be challenging FIGURE 1 Conventional flotation data for industrial sulfide flotation circuits (Lynch et al., 1981).
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Regarding sulfide ore mines, tailings are typically produced in froth flotation process, where valuable sulfide minerals are selectively separated from non-valuable gangue (Fuerstenau et al., 2007 ...
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The 10-cell "Sub-A" Flotation Machine is of the "free-flow" type. s for the control of pulp level through the machine are provided at the fourth, eighth and tenth cells. This "free-flow" type provides ample volume for normal fluctuations in …
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FLOTATION OF SULFIDE MINERAL SPECIES WITH BRIEF SUMMARY OF THE INVENTION This invention is directed to a method of beneficiating a mineral sulfide- containi
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The copper-iron ore has grades of 0.58% Cu and 42.14% Fe in Anhui. According to test on raw ore, it has the characteristics of close …
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Jan 2009. Electrochemistry of Flotation of Sulphide Minerals. pp.20-52. Yuehua Hu. Wei Sun. Dianzuo Wang. This chapter first explains the natural flotability of some minerals in the aspect of the ...
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a method for beneficiation of a mineral sulfide-containing material by air-injection froth flotation in the presence of a collector, the method comprising: a) providing an aqueous slurry of the mineral sulfide-containing material; b) adding a selective collector to the slurry in an amount less than about 100 g/ton of the mineral …
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This paper presents both the fundamentals of sulphide mineral flotation and the practical aspects of sulphide ore flotation. The fundamental aspects of the flotation of sulphide minerals both in the absence and presence of thiol …
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Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, ... An example is sodium ethyl xanthate as a collector in the flotation of galena (lead sulfide) to separate it from sphalerite (zinc sulfide). The polar part of xanthate anion attaches to the ore particles and the ...
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2. pH is important for pyrite flotation. Normally, pyrite can float well at acid conditions without adding any activator. However, if you want to float the pyrite at alkaline conditions, you need to add Cu2+ as activator, because pyrite can be depressed at alkaline conditions. 3.
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This Sulfide Rock Minerals Flotation processing plant is highly effective in recovering sulfide minerals, the plant design can be customized as per rock minerals conditions, capacity can be small, medium, and big as per request. JXSC has been focusing on mining equipment manufacturing since 1985. Products: Rock crushers, gravity separator ...
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Handbook of Flotation Reagents Chemistry, Theory and Practice: Flotation of Sulfide Ores by Srdjan M. Bulatovic • ISBN: 0444530290 • Publisher: Elsevier Science & Technology Books • Pub. Date: April 2007
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Sulfide Ore Flotation Process Layout This setup is Sulfide Rock Minerals Processing plant, suitable for processing Sulfide rock Gold, Copper, Silver, Zinc, Lead, Fluorite ore, etc. Has a high recovery ratio for sulfide-type minerals. Usually can reach about 85-90% depending on material conditions. Sulfide Ore Flotation Process Equipment
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