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or depress pyrrhotite flotation of copper i can use input

  • Minerals Engineering Vol 71, Pgs 1-216, (February 2015 .

    Pyrrhotite oxidation and its influence on alkaline amine flotation. Original . Particle contact angle can be inferred using electroacoustic vibrating apparatus.. Logged power input was compared with power input calculated from Bond tests.. Cuprous cyanide depressed pyritic ore flotation similarly as free cyanide.

  • nickel and cobalt ores: flotation - Murdercube

    pentlandite from pyrrhotite by flotation is difficult . Nickel sulfide minerals such as pentlandite can, in general . using a thiol group of collectors like xanthates and . centrate by preferentially depressing the pyrrhotite .. tively separate Cu}Ni ores from pyrrhotite gangue in .. the nature of the ore and the power input p.

  • Flotation '11

    09.00 Investigating the effect of energy input on flotation kinetics in an oscillating grid . 16.40 An investigation of depression of tennantite in copper flotation circuit . 14.40 Prediction of plant flash flotation performance using conventional . 14.00 Pyrrhotite depression in Ni ores and its potential environmental implicatio.

  • The Use of Design of Experimentation Software in Applied Flotation .

    Sep 30, 2013 . source are credited. Keywords: Design; Flotation; STAT-EASE; Pyrrhotite; Processing . copper, cobalt and gold ore will be cited. Application to a .. 10.5 was chosen to both promote and depress pyrite and pyrrhotite. At pH 8.5 ... results were input to a spreadsheet in terms of maximizing recovery of metal.

  • Electrochemistry Measurement - Froth Flotation - 911Metallurgist .

    May 23, 2016 . The main usage of electrochemistry is in Cu/Mo separation. At very low pulp potentials, the flotation of chalcopyrite is depressed, and thus this .. can assist pentlandite recovery while depressing pyrrhotite as an example. Ep can be measured using a gold sensing electrode or a mineral electrode.

  • School of Chemical Technology Degree Programme of . - Aaltodoc

    Feb 10, 2015 . Title of thesis Rougher flotation optimization using response surface . copper recovery and grade, iron and nickel recoveries.. minerals found in the ore are pyrrhotite, chalcopyrite and . A copper concentration process can be . concentrate quality to lower regrinding inputs as well as reagent needs in.

  • Start-up tests of OMS's minipilot beneficiation plant . - Jultika - Oulu

    Jan 31, 2014 . When the rougher unit is analysed, flotation units can be added to the analysis one at a time, until the .. pyrrhotite bearing varieties.. used to control pH and depress pyrite in the copper flotation at the Pyhäsalmi mine.. scavenger is zinc tailing, which is the input of the pyrite flotation in the Pyhäsal.

  • MgO Depression in Ci-Ni Flotation - Froth Flotation - 911Metallurgist .

    May 23, 2016 . Using Add Reply allows you to Attach Images or PDF files and provide a more complete input.. CMC and SHMP can be used as depressants for MgO.. To improve the quality of the copper-nickel bulk concentrate need to find an effective treatment for depression reagent and flotation of pyrrhotite.

  • Metals Free Full-Text Tannins in Mineral Processing and .

    Aug 27, 2015 . The use of quebracho in the precipitation of germanium from zinc . In sulfide systems, quebracho is a key reagent in differential flotation of copper, lead, zinc circuits. Quebracho is a member of the condensed tannin group and will not . depressed, followed by pyrite, marcasite, sphalerite, pyrrhotite and.

  • Minerals Engineering Vols 46–47, Pgs 1-186, (June 2013 .

    Results show Cu<sup>2+</sup> ion can be adsorbed onto the S atoms of sphalerite surface. •. The adsorption . Best pyrrhotite rejection obtained using TETA: SMBS for both ores. Selective depression of pyrite with chitosan in Pb–Fe sulfide flotation. Original .. Total energy input is the main variable of influence on product size.

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