Study on Ore Dressing and Commercial Test of a High-sulfur Refractory Copper Ore[J]. Multipurpose Utilization of Mineral Resources, 2014, (5): 22-25. doi: 10.3969/j.issn.1000 …
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Other regents used in this study were of analytical grade and purchased from local suppliers. The major chemical components of the sulfide refractory gold ore and pyrite are shown in Table 2. The sulfide refractory gold ore (SRGO) contains 30.34% Fe, 22.23% S, 11.19% As, 3.24% Al and 60.25 g/t Au.
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sulphur compounds. These unwanted admixtures are also the reason why steel always contains accompanying elements such as silicon, manganese, phosphorus and sulphur as well as other elements. ... Ore processing (or ore dressing) is the separation of iron ore from gangue in order to optimize the blast furnace process!
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The invention specifically relates to a high-sulfur iron ore desulfurization process and system and iron ore powder, belonging to the technical field of ore dressing, and the high-sulfur iron ore desulfurization process comprises the following steps: crushing, screening and/or grinding the high-sulfur iron ore to obtain first ore pulp with the particle size less than or equal to 74 um ...
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The sulfur-bearing iron ore was acquired from the Shilu Iron Mine in Hainan Province, China. Table 1 provides the chemical components of ... Treatment and reuse of process water with high suspended solids in low-grade iron ore dressing. J. Clean. Prod., 278 (2021), Article 123493, 10.1016/j.jclepro.2020.123493. View PDF View article View in ...
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The invention relates to an ore dressing method for recycling sulfur and arsenic from tin-lean multi-metal sulfide flotation tailings. The method comprises three stages ore dressing processes of magnetic dressing, flotation dressing and gravity dressing, wherein magnetic dressing tailings in first-stage low intensity magnetic dressing and second-stage middle intensity magnetic …
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The invention discloses a beneficiation method for environmental-friendly desulfurization from high-sulfur magnetic separation iron ore concentrate, which adopts solid copper sulfate and solid ferrous sulfate to combine as a solid activator of pyrrhotite, and the activator has the characteristics of low transportation cost, small medicament corrosivity, simple and easy …
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The invention provides an energy-saving combined ore dressing process for high-oxidation and high-bonding oxygen and sulfur mixed copper ore. The process comprises the steps of raw ore treatment, preparation of leaching solution, stirring and leaching, dynamic soaking selection, solid-liquid separation and washing and filtration of leached residue.
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The invention discloses a kind of high-sulfur Complex iron ore ore-dressing technique, belong to blast furnace reformation technical field of construction.The high-sulfur Complex iron ore ore-dressing technique of the present invention, after complex ore is crushed, product is through primary grinding；Then low intensity magnetic separation is carried out to ore pulp, obtains …
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It mainly uses oxidative dissolution of some sulfur bacteria to sulfide, then recover copper element from leaching liquor. The above is only brief introductions to copper ore dressing processes. In practice, ore properties are very complex, and …
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The invention further provides an ore dressing method of a high-sulfur refractory copper-iron ore using the composite inhibitor, and provides an ore dressing method of inhibiting sulfur, floating copper, separating iron and iron ore concentrates and reducing sulfur through reverse flotation. The copper grade of copper ore concentrates obtained ...
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Best Sulfur and Ore Farming Bases South of the Foot of the Volcano: -341, 566. World Location ... be minded there also close in location to Lilly tower boss and also lvl 40 Sibelyx boss as well its a cold location so …
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The invention relates to an ore dressing method for comprehensively recovering gold, zinc, sulfur and iron from abandoned tailings. By grinding the abandoned tailings, useful mineral monomer dissociation is realized, and simultaneously mineral surface oxide films are stripped off to improve mineral floatation activity; by jointly using water glass and sodium hexametaphoshpate to …
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Sulfur is a harmful impurity in iron ore, which seriously affects the subsequent smelting process and product quality. In this study, a novel process of hydrogen-based mineral …
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The invention discloses an ore dressing process for removing arsenic and sulphur from bellmetal ores. According to the ore dressing process, arsenic sulfur concentrate containing copper lower than 0.8wt% is removed through a floating open circuit, copper contained in floating is recovered, therefore, loss of copper in sulfide can be controlled effectively, the recovery rate of …
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The invention discloses a method for combined recycling of copper-lead-zinc-oxygen-sulfur mixed ore by dressing and smelting, which aims at solving the problems of low flotation recovery rate and high separation difficulty of the existing copper-lead-zinc-oxygen-sulfur mixed ore, and comprises the steps of adding a combined regulator CS to control slime, adding a combined …
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In the ore-dressing plant, mined material is crushed in multiple stages and finely milled to release copper minerals from waste material, called gangue. ... As the metal is allowed to cool, sulfur dioxide, nitrogen, and oxygen are released from within it. Blistering copper is a kind of copper that has around 99% purity and was obtained in this ...
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Its purpose is to remove sulfur compounds from the ore, which interfere with the flotation process and reduce the overall recovery of valuable minerals. Desulfurization methods primarily involve leaching, where a …
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The invention relates to a mineral processing method for silver guide recovery in a bismuth-sulfur separation process, which comprises the steps of raw ore selection, primary ore grinding, bismuth-sulfur mixed flotation, secondary ore grinding, silver …
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The invention discloses a method for improving metal recovery rate during mineral dressing of copper-lead-zinc-sulfur-containing refractory ore. The method is characterized in that bulk concentrate of copper, lead and zinc produced by desulfurization operation is dehydrated and subjected to reagent removal by a slope plate thickening box; overflow water of the thickening …
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Iron is one of the most important metals in mechanical engineering, as it is present in sufficient quantities on earth. The extraction of iron can therefore be very economical. However, pure iron is not suitable for use as a construction material. It is much too soft in its pure form and has too …
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The invention discloses a copper-sulphur separation and ore dressing method for high-sulphur copper ores. The copper-sulphur separation and ore dressing method comprises the following steps: crushing, grinding and grading high-sulphur copper raw ores, feeding a grading overflow to a low-intensity magnetic separation operation, pre-selecting low-intensity magnetic …
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Most (> 95%) of the sulfide was oxidized to elemental sulfur. The leaching rate decreased slightly with an increase in the concentration of FeCI 3 from O. 1 to 2.0 M and was nearly independent …
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The invention relates to a mineral processing method for silver guide recovery in a bismuth-sulfur separation process, which comprises the steps of raw ore selection, primary ore grinding, bismuth-sulfur mixed flotation, secondary ore grinding, silver …
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The oxidation of sulfide to sulfur utilizes only one-fourth the amount of oxygen that oxidation of sulfur to sulfate requires, as shown in equations 2, 3 and 4. These bacteria can, alternatively, use sulfide, sulfur or thiosulfate as the energy source while producing sulfate as the end-product because they fix carbon dioxide to make their ...
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(2) Copper sulfide ore. In addition to copper minerals, this ore can also be recovered from iron sulfide minerals. The main mineral of sulfur is pyrite. This ore is called copper-bearing pyrite. (3) Copper pyrite. In addition to copper minerals and pyrite, the ore can be recycled, and magnetite is worth recovering. (4) Copper- molybdenum ore ...
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Non-ferrous metal ore beneficiation, such as copper, lead, zinc, sulfur, molybdenum, etc., is mainly treated by flotation; some ferrous metals, rare metals, and some non-metallic ores, …
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The invention provides an ore-dressing system and an ore-dressing technology for reducing the content of sulphur in iron ore concentrate and for sorting cobalt concentrate. The ore-dressing system comprises crushing equipment, screening equipment, pre-magnetic separation equipment, ball-milling equipment, classification equipment, copper-cobalt bulk concentrate roughing …
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01 Inner Mongolia lead-zinc ore dressing. Ore type: The lead-zinc ore in Inner Mongolia is mainly sulfide lead-zinc ore, and common minerals are galena and sphalerite. Distribution: Lead-zinc minerals are often distributed in the ore in the form of impregnation, fine veins, agglomerates or stars, and have a close symbiotic relationship with gangue minerals.
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The invention provides an energy-saving combined ore dressing process for high-oxidation and high-bonding oxygen and sulfur mixed copper ore. The process comprises the steps of raw ore treatment, preparation of leaching solution, stirring and leaching, dynamic soaking selection, solid-liquid separation and washing and filtration of leached residue.
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