- منطقة بودونغ الجديدة ، شنغهاي ، الصين .
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The goal of the present work was to develop hydrometallurgical approaches based on acid leaching for selective extraction of base metals and gold from the sample of old flotation tailings of copper-zinc sulfide ore containing copper, zinc, and gold, as well as to evaluate the application of flotation tailings as a source of oxidant for ...
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This ore of copper sulphide is economically important. So, the correct answer is "Option A". Note: The metal ores are mostly rows which are suitable for extraction. The process of removing unwanted minerals from the ore is known as ore concentration. It is also known as ore dressing or ore benefaction. The process of …
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sulphide/oxide copper-gold vein deposit. Until June 2009, the sulphide and oxide minerals were respectively recovered by the well established xanthate flotation of sulphides and acid leaching of soluble oxide copper. The mixed (transitional) sulphide/oxide ores were stockpiled in the absence of an economic processing route due to their poor ...
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Copper sulfide ore, which accounts for 80% of the copper resource, is the major source for the metallic copper [1]. The major copper sulfide ores contain chalcopyrite (CuFeS 2), bornite (Cu 5 FeS 4), covellite (CuS), and chalcocite (Cu 2 S). The concentrates of copper from sulfides ores are generally performed by flotation and then processed by ...
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Copper Sulphide ore: Copper sulphide ore is the most common type of copper ore, such as chalcopyrite (chalcopyrite pyrite) and chalcopyrite. These ores mainly exist in the form of sulfides. The beneficiation method of copper sulfide ore usually includes the steps of grinding, flotation and leaching.
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There are two principal methods of amalgamation—plate amalgamation and barrel amalgamation. In plate amalgamation the ore is crushed wet in stamp mills or ground in ball mills and the resulting pulp flows over copper plates (often silvered), which are coated with amalgam and …
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The effect of microwave treatment on the grinding and flotation performance of a typical copper–nickel sulfide ore was evaluated, based on the determination of its microwave absorption capability, grinding and flotation indexes such as crack percentage, mineral liberation degree, particle size distribution, relative work index (RWI), metal …
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COPPER–MOLYBDENUM ORE DRESSING BY PARTIAL INVOLVEMENT OF TAILINGS Yu. P. NAZAROV, Director, Production Research Department, Candidate of Engineering Sciences A. V. ZIMIN, ... copper and pyrite in sodi-um sulfide environment; re-grinding of molybdenum cycle tailings in order to
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Sulfatization roasting of refractory copper-zinc sulphide raw material is studied. Test material chemical and phase compositions are examined. Thermodynamic calculations of possible sulfatization reactions are performed. Phase transformations, mechanisms of decomposition, and oxidation of sulphide minerals are studied using …
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The traditional high alkaline process (HAP) always encounters challenges in handling pyrrhotite-rich type copper sulfide ore, especially the slow copper flotation rate and the unsatisfactory separation efficiency. In this study, HAP was optimized via pulp aeration and lime-aid grinding, and their beneficial effect was studied systematically.
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With the consumption of high-grade copper ore in D.R. Congo Lubumbashi-Likasi region in recent years, local copper hydrometallurgy enterprises are forced to use lower-grade oxidized copper ore as raw material to organize production.
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Copper oxide ore, or low-grade copper sulfide ore exploited from the surface layer or corners in the mining of copper sulfide deposits, is difficult to concentrate through mineral dressing. These copper resources can only be extracted economically by hydrometallurgical copper-making processes including mainly three procedures, …
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The processing technology of the copper ore beneficiation plant includes flotation, microbial leaching, segregation and beneficiation, etc. Single sulfide ore is mostly processed by flotation, and copper ore processing equipment adopts the crushing-grinding-classification-flotation-selection process to select single copper sulfide ore into ...
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The specific process for selecting copper ore depends mainly on the material composition, structure and copper occurrence state of the original copper ore. Generally speaking, copper ore can be divided into three categories: copper sulfide ore, copper oxide ore and natural copper.
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Copper sulfide ores must be concentrated before they can be economically transported and smelted. The universal technique for this concentration is froth flotation of finely ground ore. Froth flotation entails attaching fine Cu-sulfide mineral particles to bubbles and floating them out of a water–ore mixture. The flotation is made selective ...
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