Bond Work Index Procedure and Method - 911 MetallurgistSep 22, 2017 . 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. .. Bond Work Index Procedure is done: Add about 500 g of silica sand into the mill containing the ball charge. Seal the mill. Rotate for 20 revolutions to clean.bond ball mill work index for pure quartz,Table of Bond Work Index by Minerals - 911 MetallurgistSep 22, 2017 . Avg Bond Work Index, kWh/t, kWh/t, kWh/sh.t, kWh/t, kWh/t, kWh/t, kWh/t, Range, No of Tests. Alumina, 17.9, 7-34, 6. Andesite, 20.1, 18.3, 20.1, 19.5. Barite, 6.3, 4.7, 5.2, 5.0, 5.8, 4-9, 7. Basalt, 18.9, 17.1, 18.8, 19.0, 19.0. Bauxite, 9.7, 9.5, 8.8, 9.7, 10.0, 10.0, 14.5, 1-31, 29. Cement clinker, 15.0, 13.1, 13.5.
Here there are given tables from various sources for the Bond work index values of mining materials (ores, industrial minerals and rocks). These work indexes can be used for the determination of tu. by 1989N in Types > Research, grinding, and mineral processing.
See information on work index and abrasion index, section 3 page 2. 1. Talc. 2. Gypsum. 3. Calcite. 4. Fluorite. 5. Apatite. 6. Feldspar. 7. Quartz. 8. Topaz. 9. ... Ball 1000. AG & SAG 5000. Impactors (vertical type). Regarding Work Index (Bond) for grinding, see 3:40. Grinding mills (tumbling type) Stirred grinding mills. 4-8.
In this thesis the common Bond ball mill grindability test is conducted on three different sample materials. The . experimental model is presented, where the Mergan mill can be used to approximate the Bond work index for an ore ... progressively reduced until the clean particles of the valuable mineral can be separated.
Bond Work Index measurements were carried out on a sample of pure hard rock (Wi = 14) and soft rock (Wi = 6) and three blends of the two . place in the mill, analysis of the breakage properties (breakage distribution function and breakage rate) of each pure component and the blends were also carried out.
Jan 18, 2017 . Full-text (PDF) | The Bond work index is a measure of ore resistance to crushing and grinding and is determined using the Bond grindability test. . determined by simulating a dry grinding in a closed circuit in the Bond ball mill to ... In the case of the pure line sample during determining particle size.
Nov 25, 2016 . The experiments were conducted utilizing quartz sand as the erodent and water as the liquid medium. A linear correlation ... UHMWPE. Ultra-high-molecular-weight polyethylene. Wi. Bond Work Index. WiBM. Bond Ball Mill Work Index. WiC. Bond Crushing Work Index. WiRM. Bond Rod Mill Work Index.
quartz ball mill mill for iron in niger. determination of the bond's work index of baban tsauni nigeria this study used quartz as a reference ore via a comparative method to bond devised several methods for predicting.
Top Ball Mill Manufacturers Company in India, Continuous Type Ball Mill manufacturer Gujarat, Quartz Product Details of Ball Mill Ball Mill is widely used in mining, .. a new approach toward estimating the Bond ball mill work index kinetic grinding tests, with no need to the control step using the 106 µm sieve. distributions.
Sep 22, 2017 . Avg Bond Work Index, kWh/t, kWh/t, kWh/sh.t, kWh/t, kWh/t, kWh/t, kWh/t, Range, No of Tests. Alumina, 17.9, 7-34, 6. Andesite, 20.1, 18.3, 20.1, 19.5. Barite, 6.3, 4.7, 5.2, 5.0, 5.8, 4-9, 7. Basalt, 18.9, 17.1, 18.8, 19.0, 19.0. Bauxite, 9.7, 9.5, 8.8, 9.7, 10.0, 10.0, 14.5, 1-31, 29. Cement clinker, 15.0, 13.1, 13.5.
Here there are given tables from various sources for the Bond work index values of mining materials (ores, industrial minerals and rocks). These work indexes can be used for the determination of tu. by 1989N in Types > Research, grinding, and mineral processing.
See information on work index and abrasion index, section 3 page 2. 1. Talc. 2. Gypsum. 3. Calcite. 4. Fluorite. 5. Apatite. 6. Feldspar. 7. Quartz. 8. Topaz. 9. ... Ball 1000. AG & SAG 5000. Impactors (vertical type). Regarding Work Index (Bond) for grinding, see 3:40. Grinding mills (tumbling type) Stirred grinding mills. 4-8.
In this thesis the common Bond ball mill grindability test is conducted on three different sample materials. The . experimental model is presented, where the Mergan mill can be used to approximate the Bond work index for an ore ... progressively reduced until the clean particles of the valuable mineral can be separated.
Bond Work Index measurements were carried out on a sample of pure hard rock (Wi = 14) and soft rock (Wi = 6) and three blends of the two . place in the mill, analysis of the breakage properties (breakage distribution function and breakage rate) of each pure component and the blends were also carried out.
Jan 18, 2017 . Full-text (PDF) | The Bond work index is a measure of ore resistance to crushing and grinding and is determined using the Bond grindability test. . determined by simulating a dry grinding in a closed circuit in the Bond ball mill to ... In the case of the pure line sample during determining particle size.
Nov 25, 2016 . The experiments were conducted utilizing quartz sand as the erodent and water as the liquid medium. A linear correlation ... UHMWPE. Ultra-high-molecular-weight polyethylene. Wi. Bond Work Index. WiBM. Bond Ball Mill Work Index. WiC. Bond Crushing Work Index. WiRM. Bond Rod Mill Work Index.
Top Ball Mill Manufacturers Company in India, Continuous Type Ball Mill manufacturer Gujarat, Quartz Product Details of Ball Mill Ball Mill is widely used in mining, .. a new approach toward estimating the Bond ball mill work index kinetic grinding tests, with no need to the control step using the 106 µm sieve. distributions.
as input information to forecast, the expected throughput and ball mill product size (P80) for each block of ore. Two forecasting techniques have been used, an in house model, strongly dependant of bond work index and MinnovEx´s CEET2, .. between the Biotite and Quartz-Sericite zones. Chloritization of biotite stands as.
Bond Ball mill Work Index (BBWI/BWI). > Bond Rod mill Work Index (BRWI). In addition, point load index, drop-shatter tests, small high-pressure grinding roll tests, abrasion tests, and other specialized tests can be conducted. Crushing Work Index. A number of individual lumps of the ore between 50 mm and. 75 mm in size.
SAG and Ball mills motors capacities and maintain the rest of the process unchanged. Early 2011, with the improvement in the gold markets, decision was made to install the secondary crusher between the primary crusher and the primary grinding. The process plant continued to operate on the initial design until early.
any size is inversely proportional to the square root of the particle size [Bond 1952] . ables determination of the Bond work index Wi. .. The productivity per unit volume of the working cham- ber for these mills is significantly higher (at least ten times) than that of conventional ball mills. Industrial planetary mills of continuous.
Oct 14, 2016 . planetary ball mill and the type of grinding materials is therefore investigated. .. Si and B powders (purity: 99.9%) were prepared under protective argon atmosphere (without any additional control agents) ... and multiplication of Equations (3) and (4) the modified work index Wic for ultrafine size reduction.
Jan 18, 2004 . On a microscopic scale, gold can be found as free grains in quartz and as blebs and fracture fillings in pyrite and/or chalcopyrite. Silicate-carbonate-sulphide veins tend to .. The Bond ball mill work index data (metric) for CSB and CLB are 15.3 and 10.5 respectively. The abrasion indices are about 0.1 g for.
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