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Sep 19, 2016 . hardgrove grindability index line is one of the biggest . of Grindability of Iron ore measure ore grindability is the Bond work index (Wi). . Bhubaneswar, Orissa, .

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grindability work index for iron ore . iron ore grinding its related formulae perkinspreschool. Dec 26, 2017· A Methodology to Estimate Ores Work Index ResearchGate The work index, wi, presents the ore grindability, and is used in Bond formula to calculate In next step, an equation was presented in order to calculate Miduk copper ore work ...

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Jul 18, 2013· After microwave processing, the grindability of the ore was improved and the crushing strength and the Bond Work Index were reduced by 31˙2% and 18˙5%, respectively. In addition to the enhanced grindability, gold was released from the matrix of the host minerals at a coarser size, resulting in a significant increase in free gold recovery by gravity concentration.

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Grindability and Work Index of Itakpe Iron‐Ore, Global 203, 349 Journal of Pure and Applied Sciences, vol. 6 No. 3, p 38

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The influence of reduction roasting and thermal shock on the grindability of a refractory lowgrade Michigan iron ore was examined in benchscale tests. The quantitative effects of the various treatments were evaluated at three sieve levels, 48, 100, and 400 mesh, with ballmillgrindability and workindex parameters as response indicators.

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Simulation studies on Energy Requirement, Work Input and,IJETAE. of ore grindability are the Bond Work Index The Bond test,and thus is useful for the design and selection of crushing,work index (BWi)) on the same ore when tests are performed in different,dolomite, iron ore, coal and limestone by using a variac,the design criteria or the ranges of various parameters to be used for.

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"The Bureau of Mines has conducted studies to utilize rapid microwave heating to stress fracture ore samples. Iron ores containing hematite, magnetite, and geothite were subjected to microwave energy in batch operations at 3 kW and heated to average maximum temperatures between 840 and 940 deg C. Standard Bond grindability tests showed that microwave heating reduced the work index of iron ores .

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Determination of Bond index of Birnin Gwari Iron Ore in ... ground using the laboratory ball mill grinding machine. 80% passing size for the iron ore marble and granite samples were obtained at 100μm sieve size for the feeds and products. The work index of reference minerals; marble and granite were used to calculate the work index of iron ore.

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Jan 10, 2020· The present investigation involves the identify the physical properties of three different types of iron ores by using Bond ball mill. The result shows that the maximum Bond work index of 14 KWh/mt was obtained for ''A'' type iron ore sample. The Bond work index for ''B'' and ''C'' type iron ore sample are of 11 and 10 KWh/mt.

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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 of an ore. grindability This study used quartz as a reference ore via a comparative method to determine the Bond''s work index of Baban Tsauni Nigeria) ore.

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