R Swain and R Rao quot Alternative Approaches for Determination of Bond Work Index on Soft and Friable Partially Laterised Khondalite Rocks of Bauxite Mine Waste Materials quot Journal of Minerals and Materials Characterization and Engineering Vol 8 No 9 2009 pp 743 doi 10 4236 jmmce 2009 89063
work index of itakpe iron ore In this study the Bond work index of Birnin Gwari iron ore in northern Nigeria is Get Price Dr JID Adekeye Geology and Mineral s Sciences Geostatistical Ore reserve stimation of the Itakpe Iron ore deposit J Min and Geology 29 19
Greenstone belts are zones of variably metamorphosed mafic to ultramafic volcanic sequences with associated sedimentary rocks that occur within Archaean and Proterozoic cratons between granite and gneiss bodies The name comes from the green hue imparted by the colour of the metamorphic minerals within the mafic rocks the typical green
A linear relationship between grindability index G and friability value was found as given in Eq The correlation coefficient is very high at 0 99 2 G 0 171 0 021 S 20 The relationship between friability value S 20 and Bond work index W i also has
strength index can be transferred into uniaxial compressive strength using a linear conversion factor that needs to be determined for a particular ore 9 50 UCS 215 kIS 2 where k is the ore specific calibration constant 3 1 2 Indirect Tensile Strength Test 2 ⋅ ⋅⋅
Preface This is the final report of my master thesis eometallurgical estimation of comminution indices for porphyry copper deposit applying mineralogical approach at Lule 229 University of Technology The presentation of this work has been done on 19th June 2017 at Lule 229 University of Technology
ABSTRACT The study on work index evaluation of Ishiagu galena ore has been carried out Quartz and Granite obtained from the same location at a distance of 40m apart from lead ore deposit were used to determine the Bond s work index of the
This Table of Ball Mill Bond Work Index of Minerals is a summary as tested on around the world sample You can find the SG of each mineral samples on the other table Source 1 Table of materials reported by Fred Bond Source 2 Outokumpu The science of
The Bond work index is not solely a material constant but is influenced by the grinding conditions For example the finer the grind size desired the higher is the kWh t required to grind to that size Magdalinovic 38 measured the Bond work index of three ore types using different test screen sizes
PDF The Bond work index is a measure of ore resistance to crushing and grinding and is determined using the Bond A quick method for the Bond work index approximate value determination which
Celtest have the capability to carry out the Bond Work Index BWI Test in accordance with EPRI Report CS3612 FGD Chemistry and Analytical Method Handbook Volume 2 The BWI is used to estimate the required mill power per ton of product Specific
Journal of Engineering Sciences Assiut University Vol 40 pp 28 0 January 2012 271 CORRELATION BETWEEN BOND WORK INDEX AND MECHANICAL PROPERTIES OF SOME SAUDI ORES Gamal S Abdel Haffez KAU Jeddah KSA E mail
had one of Bond s original design machines and similar results were obtained As a consequence metallurgists requesting impact work index test work should understand what equipment is being used and how the data should be interpreted Bond rod mill work
The energy required to grind one tonne of an ore from a given feed size to a specified product size is a material property that needs to be determined for different ore deposits The Bond s work index has generally been accepted as a measure of the grindability of an
Determination of Bond Index of Wasagu Manganese Ore in Kebbi State Nigeria Alabi Oladunni Oyelola Shehu Aliyu Yaro Binta Hassan ABSTRACT In this study the work index of Wasagu Manganese Ore deposit in Kebbi State of Nigeria was determined
geous for being based on the Bond work indexes that are de terminable in any well fitted ore pretreatment laboratory it is UDC 622 732 O I SKARIN RIVS Science and Production Association N O TIKHONOV JV IVS CALCULATION OF THE REQUIRED
It is also concluded that the Bond work index of the mixtures is often higher than the weighed average value of the individual components in the mixture As such an expression is proposed for
Bond Work Index Of Iron Ore We are a large scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment milling equipment mineral processing equipment and building materials
Fred Chester Bond J – Janu was an American mining engineer A graduate and former professor of the Colorado School of Mines he worked in the mining equipment and ore milling equipment business of Allis Chalmers from 1930 to 1964
Bond Work Index Tables Wi Free download as PDF File pdf Text File txt or view presentation slides online Here there are given tables from various sources for the Bond work index values of mining materials ores industrial minerals and rocks These work
Abstract The Bond work index is a measure of ore resistance to crushing and grinding and is determined using the Bond grindability test Its value constitutes ore characteristic and is used for industrial comminution plants designing Determining
Bond work index and magnetite percent were investigated in the 430 blasts in the mine This investigation not only confirmed the small scale blasting results but also showed that increasing the magnetite percent up to 50 noticeably reduces Bond work index
The above analysis suggests that the ore hardness expressed by the Bond ball mill work index is controlled by the hardness of the non magnetic gangue material in the Relationships between comminution energy and product size for a magnetite ore J o u r n a
JKTech Laboratory Services Bond Ball Mill Index Test BRMWI A Bond Ball Mill Index Test BBMWI is a standard test for determining the Ball Mill Work Index of a sample of ore The BBMWI is a measure of the resistance of the material to crushing and grinding It
Bond Work Index Procedure and Method This Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples These equation application methods are used to process 12″ ore the
The most widely used parameter to measure ore grindability is the Bond work index W i 6 Work index is the energy required in kWh short ton to reduce a given material from theoretically infinite size to 80 passing size 100 microns 7 The determination of
Determination of Bond index of Birnin Gwari Iron Ore in 20 39 Kwh short ton was selected as it is within the range indied by previous research work on iron ore in Nigeria Keywords Bond index BirninGwari iron ore modified reference minerals mineral processing
Besides the results of work index tests are accordingly implemented in Equation 5 to calculate the ore work index values Equation 5 is similar to Bond work index equation but it has been defined for the foregoing calibrated bond ball mill 15 P F