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  • IMPC
    "N-carboxymethyl chitosan in differential flotation ofgalena and chalcopyrite"

    By Kaioeng Wang, Qi Liu, Yahui Xiang

    "In the differential metal sulfide ore flotation it is desirable to replace the toxic inorganic depressants with environmentally benign chemicals. Chitosan, as a natural and non-toxic polymer, has bee

    Jan 1, 2014

  • IMPC
    1+1/4 Necessary and Sufficient Conditions of Organic Che-lating Agents as Depressors or Activators

    By W. G. Wu

    More and more researches and applications of organic chelating agents as depressors or activators are carried out in the course of research and application of modern flotation. The paper puts forward

    Jan 1, 2014

  • IMPC
    A CFD Simulation of the Hydrodynamics of a Reactor With and Without a Draft Tube

    By H. Pearce, A. E. Lewis, A. Ochieng

    Hydrodynamics and mixing are fundamental to the operation of mineral process systems such as flotation cells and metal precipitation reactors. The computational fluid dynamics (CFD) technique has been

    Jan 1, 2003

  • IMPC
    A crystal ball vision of innovation in mineral processing

    By Jannie van Deventer

    "Innovation in the minerals industry has been lagging behind comparable industries like oil and gas. An incremental innovation culture that tolerates long lead times between invention and adoption has

    Jan 1, 2014

  • IMPC
    A frother characterization technique using a lab mechanical flotation cell

    By Paulo Castillo, Cesar Gomez, Jaime Alvarez

    Operations using flotation to produce mineral concentrates require testing of frothers to characterize their ability to preserve bubble formation size and to build a stable froth. Many techniques have

    Jan 1, 2014

  • IMPC
    A Generic Approach to the Development of Semi-Empirical Predictive Models for Bath-Type Furnaces

    By Markus A. Reuter, Jacques J. Eksteen

    The modelling of bath type furnaces tends to be either fundamental in nature or total empirical "black box models". While models of the first kind are robust, they tend to lack accuracy, in cases wher

    Jan 1, 2003

  • IMPC
    A mechanistic study of arsenic (V) removal from artificially contaminated clay soils by electrokinetic remediation

    By Masakazu Niinae, Tasuma Suzuki, Mai Moribe, Yohhei Okabe

    Bench-scale electrokinetic experiments were performed to elucidate the electrokinetic remediation mechanisms of arsenate from artificially contaminated kaolinite. The electrokinetic experiments in whi

    Jan 1, 2014

  • IMPC
    A Microblal Pretreatment for Double Refractory Gold Ores

    By J. K. Afidenyo

    Microbial pretreatment of a double refractory gold ore was investigated using a white rot fungus, Coriolus versicolor (ATTC 20869) to improve gold extraction. A series of preliminary tests were conduc

    Jan 1, 2014

  • IMPC
    A Modelling Study of the Dynamics of Sulphide Heap Leach Processes with a View to Improved and Novel Applications

    By Jochen Petersen, David G. Dixon

    "Although heap leaching may be perceived as a somewhat low-tech route for the extraction of low-grade minerals, the underlying physical, chemical and biological processes are in fact extremely complex

    Jan 1, 2003

  • IMPC
    A Molecular Modeling Study of Oleate Monolayers Adsorbed at Calcium Mineral Surfaces

    By Pradip, Beena Rai

    A molecular modeling study was carried out on an adsorbed oleate monolayer on the surfaces of three calcium minerals, fluorite, calcite and fluorapatite using Universal Force Field (UFF) potentials. T

    Jan 1, 2003

  • IMPC
    A new insight into oxidation mechanisms of sulphide minerals

    By Alireza Javadi Nooshabadi, Kota Hanumantha Rao

    Formation of hydrogen peroxide (H2O2), an oxidizing agent stronger than oxygen, by sulphide minerals during grinding was examined. It was found that pyrite (FeS2), chalcopyrite (CuFeS2), sphalerite ((

    Jan 1, 2014

  • IMPC
    A Novel Adsorbent Synthesized From Blast Furnace Slag With Phosphate Sorption Capacity

    By Takaaki Wajima

    The slag was attempted to be converted into the adsorbent for phosphate removal from aqueous solution using the alkali fusion method. The slag was mixed with NaOH powder (NaOH / Slag = 1.6), and then

    Sep 1, 2012

  • IMPC
    A novel, energy efficient, two stage heap leach process for the extraction and recovery of PGMs

    By Jochen Petersen, Steven Bradshaw, Guven Akdogan, Ngoie Mpinga, James Mwase, Jacques Eksteen, Cornelius Snyders

    "The platinum group metals (PGMs) and associated minerals are particularly refractory to most traditional direct leach processes. However, the remoteness of many new ore deposits, socio-political risk

    Jan 1, 2014

  • IMPC
    A Perspective Of Growth Of Mining Industry In India

    By Sudhir Srivastava

    India hosts a wide range of globally significant mineral resources, including four fuel minerals; 11 metallic minerals; 22 minor minerals and 52 non-metallic minerals. The country ranks among world?s

    Sep 1, 2012

  • IMPC
    A Practical Model for Industrial Flotation Banks

    By J. B. Yianatos

    A practical an interactive model to describe the operation of a flotation bank of mechanical cells was developed based on the hydrodynamic and metallurgical characterization of large industrial flotat

    Jan 1, 2014

  • IMPC
    A Predictive Model For Solution Composition, Neutralizer Dosage, And Sludge Generation In The Treatment Of Acid Mine Drainage From Abandoned Mines

    By Chiharu Tokoro

    Acid Mine Drainage (AMD), high acid water containing heavy metals discharged from mines, has been recognized as major cause of mine pollution. In Japan, the government spends billions of yen every yea

    Sep 1, 2012

  • IMPC
    A quantitative modeling for coprecipitation of arsenic with ferrihydrite in treatment of acid mine drainage

    By Shuji Owada, Shinya Suzuki, Chiharu Tokoro, Daisuke Haraguchi, Sayaka Izawa

    "Coprecipitation with ferrihydrite has been one of the major treatment method for As(V) removal from wastewater such as acid mine drainage. We already confirmed coprecipitation of As(V) with ferrihydr

    Jan 1, 2014

  • IMPC
    A Simulation Methodology for the Design of Eco-efficient Comminution Circuits

    By Z. Pokrajcic

    The traditional comminution circuit is a major consumer of energy ? both as electrical energy and through consumption of media and wear resistant liners. Up to 40% of electrical energy con-sumed at a

    Jan 1, 2014

  • IMPC
    A Study of Platinum Adsorption on Amine-treated Activated Carbons

    By H. Kasaini

    Batch wise adsorption tests for platinum (Pt) on the surface of activated carbon pellets (Norit RO 0.8 BET surface area 1100 mg/g) were carried out in mixed chloride solution. The purpose of this stud

    Jan 1, 2014

  • IMPC
    A Study on Mineral Eco-materials

    By F. Q. Dong

    According to the principle that should be originated from nature, compatible with nature, used in nature and back to nature and based on conception of designing of eco-material, the author combined th

    Jan 1, 2014