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  • IMPC
    Replacing Petrov's Process with Atmospheric Flotation Using PB-BHA Complexes for Separating Scheelite from Fluorite

    By Wei Sun, Ruolin Wang, Jianjun Wang, Xiaodong Li, Honghu Tang, Yuehua Hu, Anh V. Nguyen, Haisheng Han, Kefeng Chen, Zhao Wei

    It is difficult to separate scheelite especially from fluorite with fatty acid collectors because the adsorption mechanism of these collectors occurs through chemisorption of the oleate ion onto the m

    Jan 1, 2018

  • IMPC
    New Reagents for Controlling of H2O2 by Metal Sulfide and its Effect in Sulfide Mineral Flotation

    By A. Javadi

    "Our recent studies revealed that the sulfide minerals in contact with water during grinding produced hydrogen peroxide (H2O2) where the amount of H2O2 production by the minerals found to be in the or

    Jan 1, 2018

  • IMPC
    A Techno-Economic Comparison Of Pyrometallurgical And Hydrometallurgical Options For Treating High-Arsenic Copper Concentrates

    As the high-grade copper deposits in the world become depleted, there is an increasing focus on developing lower-grade ores which contain problematic impurities such as arsenic. Indeed, many high-arse

    Sep 1, 2012

  • IMPC
    The Effect of Non-Sulphide Gangue Minerals in Enargite Separation from Other Copper Sulphides in Complex Ore Systems

    "The global demand for the copper metal is continuously increasing however, the high-grade copper ore deposits are constantly depleting. As a result, ore bodies with complex mineralogy characteristics

    Jan 1, 2018

  • IMPC
    Surface Broken Bonds: A Fast Way to Start Mineral Chemistry Studies

    By Zhiyong Gao, Ruiying Fan

    "Crushing and grinding are the prerequisite processes in many industries, such as minerals processing and powder technology. During crushing and grinding, minerals will cleave or fracture along the di

    Jan 1, 2018

  • IMPC
    A comprehensive bubble life model for conventional flotation

    By Francisco Cubillos, Jorge Menacho, Cesar Gomez, Juan Rodríguez

    Mineral flotation is the most used process to selectively separate particles of one or more minerals of interest. The process uses natural or induced hydrophobicity to collect particles on the surface

    Jan 1, 2014

  • IMPC
    Dependence of Unit Cost of Gold-bearing Gravel Processing on Energy Consumption

    By A. V. Neretin

    This paper is a continuation and extention of the previous paper on energy-efficient placer mining methods which was presented in 2007 at the World Gold Conference in Cairns, Australia (Nere-tin, 2007

    Jan 1, 2014

  • IMPC
    Comparison of the efficiency of new multi-zone and conventional flotation cells at lab and pilot scales

    By Tchingis Lekhatinov, Lev Filippov, Vyacheslav Severov, Alexandre Matinin, Victor Samyguin, Inna Filippova

    "Comparison of flotation efficiency of the new multi-zone flotation cell (MZFC) and different conventional cells was carried out at lab and pilot scales on the various samples: high contrast pyrite ta

    Jan 1, 2014

  • IMPC
    Evaluation of New Emulsified Floatation Reagent for Coal

    By S. Q. Zhu

    A newly developed coal flotation collector ZFC and its flotation characteristics for five different coals were introduced in this paper. ZFC is an emulsion composed of 27% diesel oil, 70% water and 3%

    Jan 1, 2014

  • IMPC
    A Study of the Flotation Characteristics of Different Mineralogical Classes in Different Streams of an Industrial Circuit

    By E. V. Manlapig

    "Some researchers postulate that the floatability of a particle in the streams of an industrial flotation circuit is a function of only its size and liberation properties. They do not discount the imp

    Jan 1, 2003

  • IMPC
    Combination Of Ion Exchange And Solvent Extraction Versus Solvent Extraction: A Technical?Economical Comparison

    By G. M. Savov

    Copper recovery via Solvent Extraction (SX) process is a well-known technique, which is practiced commercially for approximately 40 years. The main advantages of the SX process are: an absence of usin

    Sep 1, 2012

  • IMPC
    Silver Recovery From Zinc-Lead-Iron Complex Sulphides by Pressure Oxidation

    By Gus Van Weert, Samuel A. Bolorunduro, David B. Dreisingerm

    "As deposits of high-grade base metal sulphides become depleted, attention must be focused on the treatment of complex sulphides, which contain significant fractions of precious metals such as gold an

    Jan 1, 2003

  • IMPC
    Dewatering Mineral And Coal Fines Using The Hyperbaric Centrifuge

    According to the Darcy?s law, filtration rate should increase with increasing pressure drop (?P) across a filter cake. In centrifugal filtration, ?P is created by the free water present on the surface

    Sep 1, 2012

  • IMPC
    Effect of Cations on Anodic Oxidation of Gold in Thiosulfate Solution

    By D. W. Feng

    Thiosulfate leaching has been considered as the most promising alternative to cyanidation for the recovery of gold from ores. The chemistry of the ammonia-thiosulfate-copper system is complicated due

    Jan 1, 2014

  • IMPC
    Experimental and Computational Insights into the Selective Adsorption Mechanism of a Novel Flotation Reagent 4-Amino-5-Mercapto-1,2,4-Triazole On Chalcopyrite Surface

    By Chenyang Zhang, Zhigang Yin, Wei Sun, Jingxiang Zou, Jianyong He, Yuehua Hu, Zhijie Xu

    "In this work, a novel compound 4-Amino-5-mercapto-1,2,4-triazole was first synthesized and its selective adsorption mechanism on the surface of chalcopyrite was comprehensively investigated using UV-

    Jan 1, 2018

  • IMPC
    The quality of ultrasonic extinction based on-line particle size distribution analysers for mineral slurries

    By Axel Pankewitz, Andrew Smith, Mathias Stender, Christian Behrens

    "Particle size measurement is one of the most important factors in obtaining peak performance of the mineral processing plant in order to ensure efficient milling and flotation circuit operation. Off-

    Jan 1, 2014

  • IMPC
    Potash Ore Flotation?How does It Work?

    The major components of sylvinite ores, sylvite (KCl) and halite (NaCl), are separated by flotation. Since both these minerals are water-soluble, the process is carried out in a saturated brine, 6~7

    Jan 1, 2014

  • IMPC
    Recovery of REE-bearing minerals from a granite ore by dry magnetic separation and WHIMS-settling methods

    By Jacqueline Satur, Yoshiaki Kon, Buenaventurada Calabia, Xiao Sheng Yang, Arvo Naumanen, Kenzo Sanematsu, Sayaka Morita, Tetsuichi Takagi

    Granite ores are composed of silicate minerals and a variety of valuable REE (rare earth elements)-bearing minerals, however the processing technique to recover these valuable minerals is not yet deve

    Jan 1, 2014

  • IMPC
    The Effect Of The Ultrasonic Treatment Of The Air-Pulp Flow Upon The Flotation

    By Filippov. L. O.

    Metallurgical results for the copper-nickel disseminated ores were improved by using ultrasonic treatment. This has been demonstrated by processing of bubble-pulp flow in the reactor zone of a reactor

    Sep 1, 2012

  • IMPC
    An Evaluation Of Various Energy-Size Relationships For Prediction Of Specific Energy Requirement For Ball Milling Operation

    By K. B. Venkatesh

    In view of the importance of size reduction operations from the energy consumption point of view, during the past one hundred and fifty years a number of attempts have been made to develop a general e

    Sep 1, 2012