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Bond Work Index Tables (Wi) - Scribd

Sep 27, 2013 ... Bond Work Index Tables (Wi) - Free download as PDF File (.pdf), Text file (.txt) or view presentation ... These work indexes can be used for the determination of tumbling mills (rod, ball mills) power. ... Andesite 6 2.84 20.12

  • Simulation studies on Energy Requirement, Work Input and ... - IJETAE

    has been proved on samples of Cu ore, andesite and limestone. The result by this ... equation used by them for the ball mill work index (Bond work index) is as...

  • Effect of Sample Dimensions on Comminution Testwork

    The Bond ball mill work index test can be controlled to a product size range of interest by .... grained andesite with a groundmass grain size less than 75 µm. 50.

  • DJB Consultants Inc. Millpower 2000 - Twin Metal

    Bond Low Energy Impact Work Index. South American ... P80 of Ball Mill Work Index, µm. B a ll M ill W o rk. In d ... Andesite Ball Mill Calibration,. Only Duplicates...

  • The Copper Hill Porphyries - smedg

    sequence of Ordovician basaltic andesite lavas and sediments extending .... The Copper Hill bulk mineralisation has a relatively low ball mill bond work index.

  • Download article - Minerals Engineering International Online

    Current developments in UFG mills have tended towards high ..... kWh/t and Bond abrasion index 0.60) in the ... andesite with typical Bond ball mill work indices.

  • Correlations for the Grindability of the Ball Mill As a ... - [email protected]

    proved on samples of Cu ore, andesite and limestone. The result ... standard equation used by them for the ball mill work index (Bond work index) is as follows.

  • Table of Bond Work Index by Minerals | 911M

    Jun 19, 2015 ... This Table of Ball Mill Bond Work Index of Minerals is a summary as tested on 'around the world sample'. ... Andesite, 20.1, 18.3, 20.1, 19.5.

  • PDF (438 K) - Int. Journal of Mining & Geo-Engineering

    units such as crushers and grinding mills, is ore's work index. The work index, wi, ... Keywords: Modeling, Work Index, Miduk Copper, Control Screen, Bond Ball Mill. 1- Introduction .... copper, andesite, limestone, lead & zinc, and dolomite[7, 8...

  • MINAS DE ORO NACIONAL, S - Home Page | Alamos Gold

    Apr 17, 2009 ... Project Mill Technical Report" dated 17 April 2009 as an associate of the ..... predominately andesitic volcanic rocks, and a younger Miocene (18 to 24 Ma.) ..... Bond Impact Work. Index. Bond Ball Mill Work. Index. Laboratory.

  • TECHNICAL REPORT(S) - U-Cursos

    lesser extent within the andesite adjacent to the intrusive stock. The protolith is commonly ..... Ball mill work indices are low compared to a majority of porphyry deposits. • The average metal ..... Ball Mill Work Index. BWI. Bond Work Index.

  • Alternative Approaches for Determination of Bond Work Index on ...

    with the Bond's work index, Hardgrove index and Brittleness tests on six ... copper ore, andesite and ulexite [6-9] is also suggested to find out the work index of ... F80 is the size in microns at which 80 percent of the new feed to ball mill passes.

  • IJCT 17(6) 455-461.pdf

    sieving breakage, standard Bond work index grindability and single particle drop weight comminution tests. The results of .... The second copper ore is a medium hard andesite- .... The ball mill work index, Wi (kWh/st) was calculated from the...

  • Bond Ball Mill Index Test | JKTech

    A BBMWI test is a standard test for determining the Bond Ball Mill Work Index of a sample of ore. The BBMWI is a measure of the resistance of the material to...

  • DJB Consultants Inc. Millpower 2000 - Twin Metal

    Bond Low Energy Impact Work Index. South American ... P80 of Ball Mill Work Index, µm. B a ll M ill W o rk. In d ... Andesite Ball Mill Calibration,. Only Duplicates...

  • PDF (438 K) - Int. Journal of Mining & Geo-Engineering

    units such as crushers and grinding mills, is ore's work index. The work index, wi, ... Keywords: Modeling, Work Index, Miduk Copper, Control Screen, Bond Ball Mill. 1- Introduction .... copper, andesite, limestone, lead & zinc, and dolomite[7, 8...

  • Alternative Approaches for Determination of Bond Work Index on ...

    with the Bond's work index, Hardgrove index and Brittleness tests on six ... copper ore, andesite and ulexite [6-9] is also suggested to find out the work index of ... F80 is the size in microns at which 80 percent of the new feed to ball mill passes.

  • Breakage mechanisms and an encouraging correlation ... - saimm

    compared with the corresponding Bond work index (Wi) and grindability ... than the Bond test. But for certain rock types such as andesites the relationships does.

  • November 13, 2012 - Avala Resources Ltd.

    Nov 13, 2012 ... material in all three deposits, is free milling, with an average CIL .... (5) Volcs: Andesitic volcanics overlying S1 and S2 ... by SGS has included SAG Mill Power Index (SPI) and Modified Bond. Ball Mill Work Index (MBWI).

  • Bond Work Index Tables (Wi) - Scribd

    Sep 27, 2013 ... Bond Work Index Tables (Wi) - Free download as PDF File (.pdf), Text file (.txt) or view presentation ... These work indexes can be used for the determination of tumbling mills (rod, ball mills) power. ... Andesite 6 2.84 20.12

  • Preliminary Economic Assessment - McEwen Junior Gold Index

    Feb 11, 2013 ... 16-11 El Gallo – Bond Ball Mill Index Result .... 17-2 Andesite Domains .... This work resulted in a reported non-compliant NI 43-101 resource...

  • Review on Simulation of Work Index Determination - ResearchGate

    Dec 5, 2014 ... Bond designed the work index ball mill with strict dimensional and functional specifications and developed the experimental methodology

  • Insert the title here - circe

    physical comminution processes like crushing, grinding, and milling. ..... ball and rod mills. It is based on the ... Where Wi is the Bond work index [kWh/t][ µm]. 0.5.

  • Estimation of the Bond Grindability Index From the Sink-Float Test ...

    Additionally, no work has also been reported on the relation of grindability with ... The Bond ball mill has no lifters and all the inside corners are rounded.

  • Alamo Dorado Technical Report - Pan American Silver Corp.

    Mar 31, 2005 ... Ball Mill Bond Work Index Determinations. 1-7 ... Cross-cutting rhyolite to andesite dykes also occur. .... Grinding work indices were performed.

    Size reduction of polymeric particulates by jet milling - New Jersey ...

    milling. A statistical theory .was developed using probabilities to represent the likelihood that specific ..... where Et is the Bond work index, in other word, work re-.

  • Correlations for the grindability of the ball mill as a measure of its ...

    Mar 1, 2014 ... ABSTRACT A ball mill is the vital component in industries viz. mineral ... The present work involves a meticulous study of the effects of the .... In designing and optimizing a milling circuit using Bond Ball Mill Work Index[7], the ..... Article: A Methodology to Estimate Ores Work Index Values, Using Miduk...

  • Bond Ball Mill Index Test | JKTech

    A BBMWI test is a standard test for determining the Bond Ball Mill Work Index of a sample of ore. The BBMWI is a measure of the resistance of the material to...