2018-4-2 · In this study, the possibility of copper recovery from flotation tailing of Mazraeh copper mine was investigated. Magnetic separation method was used for concentration of non-magnetic minerals, especially copper bearing minerals, from iron minerals. As a result, copper grade increased up to 0.18% and its recovery reached 86%. Due to mineral’s oxidized surface,
Read MoreCopper Recovery from Yulong Complex Copper Oxide Ore by Flotation and Magnetic Separation JUNWEI HAN,1,3 JUN XIAO,2,4 WENQING QIN,1 DAIXIONG CHEN,2 and WEI LIU1,5 1.—School of Minerals ...
Read More2017-5-25 · A combined process of flotation and high-gradient magnetic separation was proposed to utilize Yulong complex copper oxide ore. The effects of particle size, activators, Na 2 S dosage, LA (a mixture of ammonium sulfate and ethylenediamine) dosage, activating time, collectors, COC (a combination collector of modified hydroxyl oxime acid and xanthate) dosage, and magnetic
Read More2016-8-11 · Using magnetic separation, iron was capable of finally separating into high- and low-iron-bearing concentrate and tailing that can be used in specific applications. Introduction Copper smelter slag is the main solid waste generated from copper smelting.
Read More2018-12-10 · An earlier work noted that magnetic separation is a feasible way to recover iron from the tailings of waste copper slag flotation. Unfortunately, the iron grade of magnetic products and the recovery of iron by the magnetic separation process is relatively low, only 52.21% and 38.09%, respectively, due to the
Read Moremagnetic iron and copper were determined in a GBC 908 atomic absorption spectrophotometer (AAS). Table 1 – Elemental chemical composition of
Read More2021-2-20 · The reductively roasted copper slag with mean particle size of 4.76 μm was separated at different magnetic intensities.The results are shown in Fig. 1b. The Fe recovery, SiO 2 content, and SiO 2 recovery in the concentrate increase with magnetic intensity, whereas the Fe content shows a decreasing trend. The independent metallic iron particles in reductively
Read Morethat a dry magnetic separation process could be used to concentrate Pt in PGM flotation tailings to over 40 g/t and offer as the additional resource for recovering Pt and Pd. Key Words: Platinum group metals ; Flotation tailing ; Magnetic separation ; Magnetic, Non-magnetic. Original Received January 4, 2010 Accepted for Publication Apria 15, 2010
Read More2021-6-15 · The magnetic concentrate with an iron grade of 59.11% and the recovery ratio of 75.12% was obtained at the exciting current of 2 A in magnetic separation. Download : Download high-res image (167KB) Download : Download full-size image; Fig. 6. Process of magnetization roasting-water leaching-magnetic separation (Zhang et al., 2013).
Read More2015-12-10 · In this work, sodium hypochlorite, hydrogen peroxide, sodium metabisulfite and copper sulfate as activators were investigated to lessen the depression effect of cyanide for deep-depressing chalcopyrite. The experimental results indicate that the copper recovery exceeded 94%, 84% and 97% at the dosage: sodium hypochlorite 3 mL/L, hydrogen peroxide 2 mL/L,
Read More2018-4-2 · In this study, the possibility of copper recovery from flotation tailing of Mazraeh copper mine was investigated. Magnetic separation method was used for concentration of non-magnetic minerals, especially copper bearing minerals, from iron minerals. As a result, copper grade increased up to 0.18% and its recovery reached 86%. Due to mineral’s oxidized surface,
Read MoreCopper tailing is the residual ore le a er copper extraction during a oatation process, which is more difficult to recycle as compared to the copper slag. Its main components are fayalite (Fe 2SiO 4) and magnetic iron oxide (Fe 3O 4), accounting formorethan55%ofthecoppertailings.1 In
Read MoreCopper tailings: if the copper with high heavy metals content, the separation will be easier and apply the process of flotation. If there exist magnetite in the copper tailings, it will firstly using acid leaching to precipitate the copper, then use
Read More2021-2-25 · copper slag (CS) by direct reduction–magnetic separation. By reducing CS at 1200–1300 C, fayalite and copper sulfide can be transformed into metallic iron and copper, and then Fe-Cu alloy phase can be formed [25]. Subsequently, a magnetic separation process is used to recover the Fe-Cu alloy. However, magnetic separation tailings have not been
Read MoreA copper tailing (around 2 M t) that also contains magnetite was chosen as a case study. A combination of magnetic separation and leaching gave the best economic results for copper and magnetite. The adopted cost models showed positive results at this early stage of investigation (semi-technical scale processing tests).
Read More2022-2-10 · Copper is used for electronics, construction, and metal alloys. Moly is mostly used to make metal alloys, and as a catalyst. As markets need copper and moly, their ores are separated, concentrated, and sold separately. This separation and concentration of copper and moly is called the “copper-moly flotation circuit.” Flotation – Sulfides
Read MoreMagnetic Separation. Multotec supplies a complete range of magnetic separation equipment for separating ferromagnetic and paramagnetic particles from dry solids or slurries, or for removing tramp metal. Multotec Dry and Wet Drum Separators, WHIMS, Demagnetising Coils and Overbelt Magnets are used in mineral processing plants across the world.
Read MoreThe optimum conditions for recovering iron by oxidizing roasting and magnetic separation are as follows: calcium oxide content of 25 wt.%, mixed gas flow rates of
Read More2020-11-16 · In actual production, different types and characteristics of copper tailings need different mineral processing methods. In this passage, we will introduce you the copper tailing physical and chemical properties, and two types of common copper reprocessing methods: vulcanization flotation and leaching.
Read More2021-12-9 · reduced, and then, the magnetic separation process is proc-essed; 91.34% iron and 83.41% copper are recovered, respec-tively; finally, the nonmagnetic tailings are mixed with clinker and standard sand to make Portland concrete for construction [5]. Li et al. studied environmentally friendly building materials made from copper tailings and iron ...
Read More2 天前 · The permeability coefficient of tailings in tailings ponds, which can affect the release and migration of heavy metals in tailings, also affects the stability of dams by affecting the variation of the height of the saturation line. In this paper, tailings at different levels in a tailings pond were taken as research objects to measure the particle size and permeability coefficient of the ...
Read More2021-2-25 · copper slag (CS) by direct reduction–magnetic separation. By reducing CS at 1200–1300 C, fayalite and copper sulfide can be transformed into metallic iron and copper, and then Fe-Cu alloy phase can be formed [25]. Subsequently, a magnetic separation process is used to recover the Fe-Cu alloy. However, magnetic separation tailings have not been
Read MoreCopper tailings: if the copper with high heavy metals content, the separation will be easier and apply the process of flotation. If there exist magnetite in the copper tailings, it will firstly using acid leaching to precipitate the copper, then use
Read MoreMagnetic Separation. Multotec supplies a complete range of magnetic separation equipment for separating ferromagnetic and paramagnetic particles from dry solids or slurries, or for removing tramp metal. Multotec Dry and Wet Drum Separators, WHIMS, Demagnetising Coils and Overbelt Magnets are used in mineral processing plants across the world.
Read More2020-11-16 · In actual production, different types and characteristics of copper tailings need different mineral processing methods. In this passage, we will introduce you the copper tailing physical and chemical properties, and two types of common copper reprocessing methods: vulcanization flotation and leaching.
Read Morethat a dry magnetic separation process could be used to concentrate Pt in PGM flotation tailings to over 40 g/t and offer as the additional resource for recovering Pt and Pd. Key Words: Platinum group metals ; Flotation tailing ; Magnetic separation ; Magnetic, Non-magnetic. Original Received January 4, 2010 Accepted for Publication Apria 15, 2010
Read More2021-12-9 · reduced, and then, the magnetic separation process is proc-essed; 91.34% iron and 83.41% copper are recovered, respec-tively; finally, the nonmagnetic tailings are mixed with clinker and standard sand to make Portland concrete for construction [5]. Li et al. studied environmentally friendly building materials made from copper tailings and iron ...
Read More2016-1-21 · The sieve size of the copper standard sieves were sequentially mm0.8, 0.4 mm, 0.25 mm, 0.12 mm, 0.075 mm, and 0.043 mm. 2.3. Sorting Experiments in Laboratory Scale Sorting of tailing by shaker: 500 ml 20wt% tailings slurry was put into a shaker (6 -S, China). The separation condition kept that: the stroke is 10 mm; the frequency is 220/min.
Read MoreYahui Zhang*, Zhidong Tang, John Shirokoff, “Study on flotability and surface oxidation of sulfide minerals from the tailing of an iron-copper mine using electron probe microanalyzer”, Mineral Processing and Extractive Metallurgy Review, 42(4), 213-221 (2021). DOI: 10.1080/08827508.2019.1707675
Read More2019-12-4 · This paper proposes an eco-friendly process to synchronously utilise copper slag and ferruginous manganese ore by co-reduction followed by a magnetic-separation process to solve those problems. In the process, MnO 2 within FMO acted as a catalyst to promote the reduction of fayalite and copper sulphide contained in CS, and thus improve the metallization rate of Fe
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