Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • IMPC
    Development of a dynamic mill model structure for tumbling mills

    By Weiguo Xie, Malcolm Powell, Lian Liu, Ping Yu

    "In order to develop a common mathematical and simulation platform for tumbling mills, a review of existing mechanistic models was made identifying the key aspects of grinding and slurry transport whi

    Jan 1, 2014

  • IMPC
    Hydrophobicity and Flotation of Quartz and Feldspar in Presence of Monoalkyl of Polyethylene Glycol Ethers (ebc086ec-a6cb-485e-9402-92194f32bdc9)

    By Elzbieta Mielczarski, Jerzy Mielczarski, Jan Drzymala, Yann Duvalm

    Polyethylene glycol monoalkyl ethers (CnEm) render quartz hydrophobic while feldspar remains hydrophilic. As a result quartz can be separated from feldspar in small frothless flotation devices such as

    Jan 1, 2003

  • IMPC
    The use of esterification to create hydrophobic quartz particles for flotation

    By Ghislain Bournival, Cagri Emer, Seher Ata

    "It is well known among flotation practitioners that the contact angle can be correlated with the amount of material recovered from feed by flotation. The contact angle of solids can easily be modifie

    Jan 1, 2014

  • IMPC
    Economic Production of Feldspar for the Ceramic Industry

    By Paolo Bevilacqua, Paolo Antonini, Lorenzo De Lorenzi

    "Ceramic production requires large quantities of K-feldspar, which is commonly sourced from granites, alkali-granites, and feldspathic sands. These rocks contain other minerals, such as quartz and pla

    Jan 1, 2003

  • IMPC
    Mineralogical Insight into the Copper Selective Flotation at “DPM Chelopech“ Concentrator

    By L. Stamenov, H. Bouzahzah, S. Gaydardzhiev, D. Naumov

    "The Chelopech epithermal arsenic bearing high-sulphidation, copper-gold deposit located in Bulgaria is often referred as the richest European gold deposit currently under exploitation. Key points fro

    Jan 1, 2018

  • IMPC
    Plant engineering and design experiences with the TankCell® e300

    By Ben Murphy, Alejandro Yanez, Tatu Miettinen

    "Flotation using large volume cells has grown in importance during recent years, particularly given the increasing demand for minerals whilst ore grades are decreasing. Outotec introduced the TankCell

    Jan 1, 2014

  • IMPC
    Inert Gas Flotation Technologies

    By John C. Gathje, Rick Moritz, Wilhelm de Beer

    "Froth flotation has a long history of success for the recovery and concentration of a wide variety of minerals of commercial interest. Both the art and science of flotation have progressed greatly, a

    Jan 1, 2003

  • IMPC
    Aspects Of Flotation In A Fluidized Bed

    By Cagri Emer

    In conventional mechanical flotation cells, when the size of particles exceed a particular value, that is of the order of 100 µm for metal sulphides, the recovery of particles decline rapidly. It appe

    Sep 1, 2012

  • IMPC
    Column Flotation of Coals and Minerals with Oscillatory Air Supply

    "This research aims at improving the beneficiation of coals and minerals in fine and ultrafine size fractions. A widely used method for upgrading fine and ultrafine particles is froth flotation, which

    Jan 1, 2018

  • IMPC
    Iron Removal of Yaliköy Sand Dunes (10886b65-8653-411d-a43d-c1682f2c69e7)

    By Güven Önal, Zeki Dogan, Neset Acarkan

    In this study, it was aimed to produce glass sand with less than 0.15% Fe2O3 for window glass manufacture and glass ware grade with less than 0.05% Fe2O3 from Yalõköy sand dunes having 0.48% Fe2O3. In

    Jan 1, 2003

  • IMPC
    Jojoba oil as an alternative collector in the selective flotation of apatite and calcite at slightly acid conditions

    By Achilles Dutra, Everton Santos, José Oliveira

    The beneficiation of phosphate ores by froth flotation is the most efficient process used to separate apatite from gangue minerals like calcite, dolomite and quartz. However, the similarity of surface

    Jan 1, 2014

  • IMPC
    The Development And Pilot Plant Testing Of Valuable Metals Recovery Technology From Pyrite Cinders

    By V. Dementiev

    Pyrite cinders is a complex raw material, in which the valuable metals are: Au(2.04 g/t), Ag(35.0 g/t), Cu(0.38%), Zn(1.1%) and Fe(56.0%). In this case high costs for mining and ore processing are not

    Sep 1, 2012

  • IMPC
    Electrochemistry of Pyrite Flotation: Evaluation of Length of Hydrophobic Interactions between Mineral and Air Bubble from the Induction Time Measurement

    By V. E. Vigdergauz

    The work presented shows results of electrochemical study of pyrite hydrophobicity evaluated by air bubble induction time (IT) measurements. On the basis of measured IT?s an average thickness of the t

    Jan 1, 2014

  • IMPC
    The Separation of Pentlandite from Serpentine Using Selective Magnetic Coating-Magnetic Separation

    By Z. T. Yuan, S. L. Qi, Q. Y. Meng, G. X. Zou, L. X. Li, J. W. Lu

    "The selective separation of pentlandite from serpentine was investigated using the magnetic coating-magnetic separation by conditioning slurry pH value, stirring speed, magnetic field intensity and c

    Jan 1, 2018

  • 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
    Positron Emission Particle Tracking of Near Gravitational Material inside a Dense Media Cyclone

    By I. Govender, M. C. Richter, N. Mangadoddy

    "We present an analysis of trajectory and time averaged data of near gravitational material (NGM) representative coal tracer particles within a magnetite medium passing through a 100mm diameter hydroc

    Jan 1, 2018

  • IMPC
    Using Geochemical Barriers For Additional Recovery Of Nonferrous Metals And For Water Treatment

    By Valentine Chanturiya1

    We have developed a classification of geochemical barriers according to their origin, i.e. natural and artificial, and according to methods and areas of application. There has been an examination of

    Sep 1, 2012

  • IMPC
    A Modelling Study of the Dynamics of Sulphide Heap Leach Processes With a View to Improved and Novel Applications (94c1e0ad-31b6-423d-9e18-a597fc71f7da)

    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
    Non Contact Acoustics Measurement and Validation of SAG Mill Operation (9e67a48f-a988-4e1a-b466-2b273ec64d48)

    By Rod Hocking, Nenad Djordjevic, Randolph Pax

    "Semi Autogenous (SAG) mills exhibit complex interactions between the competing processes occurring inside them. Traditional practice is to measure the operation of the SAG mill at an operating point

    Jan 1, 2003

  • IMPC
    An Investigation Into The Role Of The Froth Phase In The Flotation Of Ug2 Ore Using A Laboratory Column Flotation Cell

    By M. Alvarez-Silva

    The control of the amount of chromite reporting to the concentrate during the flotation of UG2 ore is of critical importance since its presence affects the downstream smelting process. It is generally

    Sep 1, 2012