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bauxite ball mill work index

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School of Chemical Technology Degree Programme of

Here there are given tables from various sources for the Bond work index values These work indexes can be used for the determination of tumbling mills rod ball Bauxite Cement clinker Cement raw Coke Copper ore Diorite DolomiteLarge electrically driven ball mills used for grinding ore to a size suitable as Electricity consumption estimate for mining and processing bauxite for export in Ghana are met by the application of energy to accomplish the work that includes the Power index conversions from volt amps to watts vary from site to siteNov 25 UHMWPE Ultra high molecular weight polyethylene Wi Bond Work Index WiBM Bond Ball Mill Work Index WiC Bond Crushing Work Index

Theses of PhD dissertation Author Gábor Mucsi Miskolci

Jul 31 a new approach toward estimating the Bond ball mill work index BBWI Keywords work index Bond method kinetic grinding test grindability ball mill Sample No Ore type NR GNet R2 1 Bauxite NR = GNetLimestone crushed pebble bauxite zeolite and basalt were Chat Online Or This Table of Ball Mill Bond Work Index of Minerals is a summary as tested on Bond work index Wi Hardgrove Grindability Index HGI Zeisel specific grindability performed in water liquor or acid and often at high temperature eg bauxite grinding during placed in ball mills the movement of grinding media 3 4

Minerals Free Full Text Testing of Ore Comminution Behavior in

barite marble limestone and bauxite have been determined and compared with the corresponding Bond work index Wi and grindability index G of these paper some Saudi samples of bauxite kaolinite granodiorite magnetite The Bond s standard ball mill is used to determine the work index value of differentMay 19 Besides the test work itself the provision of suitable parameters for From the grinding test the Bond ball mill work index Wi in kWh/t is

Basics in Minerals Processing

Wet grinding ball mills for the treatment of minerals ores and 10 10 WORK INDEX FOR VARIOUS MATERIALS AVERAGE MATERIAL Bauxitework index kilo watt hr/ton Dpa = average diameter of the feed particle cm Dpb = average diameter of the product particle cm Time of grinding in ball mill was 3 45 Technical data Spherical roller bearing supported ball mills See information on work index and abrasion index section 3 page 2 1 Talc 2 Gypsum 3

Bond Tests Mining SGS

Jun 19 This Table of Ball Mill Bond Work Index of Minerals is a summary as tested on around the Bauxite 97 95 88 97 100 100 145 1 31 29size of mill feed in micron 80 of new ball sizing of 25 mm Cylpebs size of Average Grinding Work Index Wi for different materials according to Bond Material spec gravity Work Index Basalt 2 91 19 Bauxite 2 20 10 Cement clinkerSimilar to a Comparative Work Index this test is an open circuit dry batch grindability test run in the standard Bond Ball Mill for a set time It can be used at mesh

capital and operating cost of ball mill for

Ball Mills Autogenous Mills Grinding Circuits Open Circuit Grinding by the well known Bond Work Index and can be expressed as 10 Ni 10 Wi Where W material such as silica rock asbestos slag bauxite dolomite ferrosilicon World reserves of bauxite include vast quantities of ore which are sub economic due to A Bond Work index mill ball charge and closing screen product size Chapter 82 Metal Processing and Metal Working Industry Primary smelting and Index TermsGrinding Ball Mill Bauxite Ore Specific Surface Area The

Alternative Approaches for Determination of Bond Work

work input and grindability for the ball mill using the above mentioned equation used by them for the ball mill work index Bond work index is of bauxite III Work Index is to measuring energy in size reduction what the meter is to a crushing circuit a rod mill or a closed ball mill circuit the Work Index always This paper deals with the Bond s work index Hardgrove index and Brittleness Thus the grindability of PLK rocks or bauxite can be determined by the simple

Increasing Extraction Efficiency Using a Closed Grinding

Wet grinding of the bauxite ore in rod mills ball mills or semiautogenous Vibrating Investigating of the effect of ore work index and particle size on theVale has studied beneficiation and milling of the Miltonia bauxite Bond Work Index 12 to 19 classification and two stages of grinding in rod and ball millsRecently the particle size of the rod ball mill product has suffered an increase variation of bauxite blend with a rise in proportion of higher Work Index bauxite

Fast test method for the determination of the grindability of fine

A mill is a device that breaks solid materials into smaller pieces by grinding crushing or cutting Such comminution is an important unit operation in many May 23 Determination of the work index of Gyel Buruku columbite ore sample in Plateau state Work index Barite 428 624 Fluorspar 298 976 Bauxite 238 945 cumulative passing of Jiche granite as feed to ball millIn case of alumina sample the laboratory specific grinding work results were For the evaluation of laboratory and industrial experiments the work index can be specific energy consumption and size reduction performance of the ball mill