chalcopyrite flotation concentrate

  • Electrochemical bioleaching of high grade chalcopyrite

    2010-07-01· A representative copper sulfide flotation concentrate, obtained from Sarcheshmeh Copper Mine (Kerman, Iran) was used in all experiments. X-ray fluorescence (XRF) and X-ray diffraction (XRD) analyses of the sample showed 27.73% Cu, 24.59% Fe, 14.82% S, 0.99% Zn and chalcopyrite (CuFeS 2) as the major mineral and pyrite (FeS 2) as the minor one together with small amounts of other

  • (PDF) Selective flotation of chalcopyrite from pyrite using

    The prior addition of PGA achieved an improved selective flotation of chalcopyrite from pyrrhotite at pH 8, at which the grade and recovery of chalcopyrite in concentrate were over 80%.

  • Flotation separation of molybdenite from chalcopyrite

    To evaluate the effect of L-cysteine on Cu-Mo flotation separation, bench-scale flotation tests were carried out on the chalcopyrite-molybdenite bulk concentrate from Luanchuan molybdenum dressing plant, using L-cysteine in comparison with using sodium thioglycolate, sodium sulfide and sodium hydrosulfide as chalcopyrite inhibitors through an open circuit.

  • A study on the effect of active pyrite on flotation of porphyry

    2018-06-27· chalcopyrite and pyrite were obtained as 79.95%, 49% and 5.3%, 7.98% using the Aero 407, respectively. Under the optimum conditions, the grade of final concentrate increased from 0.94% to 21.3% with three cleaner stages. Keywords: Active pyrite, Chalcopyrite, Collector, Flotation, Optimization 1. Introduction

  • The selective flotation of chalcopyrite against galena using

    2019-09-01· For the mixed binary mineral micro-flotation test, the mass ratio of chalcopyrite and galena was 1:1 for the flotation feed (1.0 g chalcopyrite + 1.0 g galena). The flotation operation was the same as the single mineral flotation test. After flotation, the concentrate and tailing were collected, weighed and assayed for Cu and Pb.

  • Selective flotation of chalcopyrite from pyrite using

    2019-08-15· Single mineral flotation tests were performed to evaluate the flotation behavior of chalcopyrite and pyrite using HEDP or EX as collector at a dosage of 2 × 10 −4 mol/L with the results shown in Fig. 1(a). It can be seen from Fig. 1(a) that, within the pH range studied, the flotation recovery of chalcopyrite using HEDP as collector was slightly higher than that of chalcopyrite with EX as

  • Characterization and Flotation of Sulfur from Chalcopyrite

    2013-12-24· The chalcopyrite flotation concentrate can be sent back to chloride leaching circuits. Keywords: Elemental sulfur, sodium silicate, dispersant, depressant. Introduction Frash process, a solution mining method operated at an elevated temperature and

  • An Alternative Depressant of Chalcopyrite in Cu–Mo Differential

    2018-12-20· minerals Article An Alternative Depressant of Chalcopyrite in Cu–Mo Differential Flotation and Its Interaction Mechanism Xuemin Qiu *, Hongying Yang *, Guobao Chen and Wenjie Luo School of Metallurgy, Northeastern University, Shenyang 110819, China; [email protected] (G.C.);

  • The separation of chalcopyrite and chalcocite from pyrite in

    2014-04-01· The rougher flotation concentrate was reground from 75 μm to 20 μm. Chalcopyrite flotation after regrinding is shown in Fig. 3. Without additional collector, 71% recovery in 8 min of flotation was achieved. As the particle size was reduced, existing surfaces were carried from rougher flotation while fresh surfaces were generated as well.

  • Flotation separation of chalcopyrite from galena by sodium

    2016-01-20· Flotation separation of chalcopyrite from galena by sodium humate and ammonium persulfate Rui-zeng LIU 1, Wen-qing QIN 1, Fen JIAO,bulk concentrate by flotation. The combination of HA and APS is an efficient non-toxic reagent to achieve cleaning for copper/lead bulk concentrate by flotation.

  • The selective flotation of chalcopyrite against galena

    2019-09-01· For the mixed binary mineral micro-flotation test, the mass ratio of chalcopyrite and galena was 1:1 for the flotation feed (1.0 g chalcopyrite + 1.0 g galena). The flotation operation was the same as the single mineral flotation test. After flotation, the concentrate and tailing were collected, weighed and assayed for Cu and Pb.

  • Chalcopyrite Flotation Concentrate ACP Bryghia

    2020-05-20· Jksimfloat a tool for flotation.Rw is the recovery of water to the concentrate equations 6 and 7.The flotation behaviour of some chalcopyrite phd. Live Chat; Sulphur Dioxide Has Developed Into A Most Versatile . Sulphur dioxide has developed into a most versatile and almost indispensable from meta 1 at indian institute of technology, kharagpur.

  • Copper Recovery from Chalcopyrite Flotation

    Research Paper; Published: 25 January 2018 Copper Recovery from Chalcopyrite Flotation Concentrate Using Mixed Mesophilic Strains Subjected to

  • Minerals Free Full-Text Effects of Xanthate on Flotation

    The chalcopyrite and talc minerals used in the experiments were taken from copper ore deposits of the Donggua Mountain in China. In order to conduct the experiments of the flotation kinetics, the chalcopyrite and talc samples in large bulk were first comminuted in a jaw crusher, subsequently ground in a ceramic mill, and then sieved into 5–38 μm size fraction.

  • Processing of chalcopyrite ore by heap leaching and

    This study explored the processing of chalcopyrite ore through heap leaching followed by flotation. Crushed and agglomerated chalcopyrite ore was subjected to bacterially-assisted leaching at

  • An Alternative Circuit for Chalcopyrite-Pyrite Ores with

    The chalcopyrite and pyrite losses in the tailing from the rougher circuit were the same for both bulk and sequential roughing (less than six per cent). In cleaning (bulk circuit), the effective pH for pyrite depression was 11.8–11.9; copper recovery was 70–75 per cent (grade of 15–20 per cent copper) and the sulfur recovery (pyrite product) was 80–85 per cent (grade of 34–36 per

  • Characterization and Flotation of Sulfur from Chalcopyrite

    2016-07-13· The chalcopyrite flotation concentrate can be sent back to chloride leaching circuits. Elemental sulfur produced by chloride leaching of sulfide ores or concentrates contains selenium and tellurium usually too high to be used in various industrial or agricultural uses.

  • Copper and Pyrite Separation by Selective and Sequential

    2020-07-30· Metallurgical ContentThe Problem with copper-pyrite oresThe copper pyrite separation Process FlowsheetCrushing circuit of a copper pyrite oreCopper pyrite ore Grinding circuit Flotation process of Copper-Pyrite

  • Developmentsintheflotationofcopper atBlackMountain

    2009-08-26· The circuit designed for the flotation of copper is depicted in Fig. 1,together with the reagent regime shown inTable n. Aconsiderable amount ofearly work had shown that the sequential selective flotation of chalcopyrite andgalena would bepreferable tothebulk flotation ofcopper andleadbecause thelatter produced alow-grade lead concentrate.

  • INTERPRETATION OF FLOTATION DATA FOR THE DESIGN OF

    concentrate diluent. Hellyer ore contains finely disseminated chalcopyrite, sphalerite, galena, and tetrahedrite. The flotation plant design was based on extensive benchscale testwork (including locked cycle tests) on drill core and many months of operation of a 30 tonne per hour “pilot plant”

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