### Table of Bond Work Index by Minerals

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:

get price### Bond Work Index an overview ScienceDirect Topics

The ball mill work index laboratory test is conducted by grinding an ore sample prepared to 100% passing 3.36 mm (6 mesh) to product size in the range of 45-150 µm (325-100 mesh), thus determining the ball mill work index (Wi B or BWi). The work index calculations across a narrow size range are conducted using the appropriate laboratory work index determination for the material size of interest,

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Work index presents the material grindability, and higher work index means more required energy to break the ore. Ball mill work index test was widely used in the 1960s and still remains in use

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05/05/2013 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 clinker » detailed

get price### CORRELATION BETWEEN BOND WORK INDEX AND MECHANICAL

The Bond's standard ball mill is used to determine the work index value of differ ent samples. The Bond work index is defined as the kilowatt-hours per short ton required to break from infinite size to a product size of 80% passing 100 µm. If the breakage characteristics of a material remain constant over all size ranges, the calcul ated work

get price### (PDF) HPGR Grinding Technology and its Application to the

For many of the bauxite ores tested, a HPGR t reatment did reduce the Bond ball m ill work index, by up to 40 %. This significantly lowers the energy requirement for downstream grinding and t he

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10/08/2016 The Bond Ball Mill Work Index (BWI) is used in conjunction with Bond's Third Theory of Comminution to calculate grinding net energy requirements. The test is conducted in a horizontal axis ball mill with rounded corners and smooth lining. The ball charge consists of 285 balls of different sizes weighing 20.125 kg. The test was conducted on 10 kg of − 3.35 mm ore and was performed using a

get price### Kinetic grinding test approach to estimate the ball mill

Work index presents the material grindability, and higher work index means more required energy to break the ore. Ball mill work index test was widely used in the 1960s and still remains in use

get price### Performance comparison of stirred media mill and ball

In this study, samples of bauxite whose chemical composition and Hardgrove Index values are known were ground to micronized size by a laboratory scale stirred media mill and its performance was compared with a laboratory scale ball (Bond) mill. Stirred media mill decreased bauxite d 50 size from 780 to 5 µm in 3 min. But, the ball mill has reduced to 455 µm at the end of the same grinding period.

get price### Kinetic grinding test approach to estimate the ball mill

Kinetic grinding test approach to estimate the ball mill work index 345 Kinetic grinding Exactly 700 cm3 of 100% passing 3.35 mm material from each sample was progressively grounded in periods of 0.33, 1, 2, 4, and 8 minutes. Our experience has shown that the required number of revolutions to achieve the circulating load of 250%

get price### Alternative Approaches for Determination of Bond Work

The Bond Work index Wi was calculated from the following equation (Eq. 1) Wi = 44.5/(P1) 0.23 X (Gbp)0.82 [10/(P 80) 1/2 10/(F 80) 1/2] (Eq.1) Where F80 is the size in microns at which 80 percent of the new feed to ball mill passes P80 is the size in micron at which 80 percent of the last cycle sieve undersize product passes

get price### Volume 2, Issue 11, May 2013 Studies on Batch Grinding of

function for three set of feed sizes with three different ball sizes have been evaluated. Index Terms—Grinding, Ball Mill, Bauxite Ore, Specific Surface Area, Energy Consumption. I. trucksINTRODUCTION Many researchers are working in different fields for a better society. The cost effectiveness plays a vital role in the better research. Mineral Engineers are crucial for any product

get price### A Method of C alculating Autogenous/ Semi-Autogenous

rod mill work index has not been de ned as yet. The ball ﬁ mill work index is con rmed at 16 kWh/t. The operating ﬁ work index, though, is in the range of 21 kWh/t to 25 kWh/t showing high inefﬁ ciency. This raises the point that, in some cases, the Bond EF4 oversize factor calculation is

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Ball mill principle for bauxite crushing pdf ball mill wikipedia the free encyclopedia ball mill principle for bauxite crushing pdf a ball mill is a type of grinder used to grind and blend materials for use in mineral dressing a ball mill works on the principle of impact and attrition size reduction is done by the ball mill

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bauxite ball mill work index crusher in India. Crusher machine. Shenbang stone crushing equipment is designed to achieve maximum productivity and high reduction ratio.

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get price### Kinetic grinding test approach to estimate the ball mill

Kinetic grinding test approach to estimate the ball mill work index 345 Kinetic grinding Exactly 700 cm3 of 100% passing 3.35 mm material from each sample was progressively grounded in periods of 0.33, 1, 2, 4, and 8 minutes. Our experience has shown that the required number of revolutions to achieve the circulating load of 250%

get price### Alternative Approaches for Determination of Bond Work

index (by calculation) is almost matching with measured Bond’s work index. The Bond’s work index of the above rock samples calculated from the Hardgrove index value has shown a variation from 7.7 to 10.3 kWh/sh.t. A correlation is found between the friability value and work index. The correlation coefficient of 0.93 between the friability value (S1) and Bond’s work index, Wi = -18.193 Ln (S1) + 66.747 has been

get price### Performance comparison of stirred media mill and ball

(2020). Performance comparison of stirred media mill and ball (BOND) mill in bauxite grinding. Particulate Science and Technology: Vol. 38, No. 4, pp. 404-408.

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Abrasion Index (AI) Crushing Work Index (CWI) Bond Rod Mill Work Index (RWI) Bauxite. Head Assay. Mineralogy: Gibbsite; Bohemite; Diaspore; Comminution ball mill principle for bauxite crushing pdf-Shanghai TON Company. Bauxite 300 t / h crushing and production process design Alternative Approaches for Determination of Bond Work Index on of Bauxite Mine Waste Bond Crushing

get price### MODELING THE SPECIFIC GRINDING ENERGY AND BALL-MILL

zBond work index w i zFeed D f and product d size (both 80% cumulative passing) Result: The specific grinding energy w Mill power draw P = wT, where T the mill capacity Mill dimensions (from Tables or charts) 3 Ball-mill scale up Continued Denver method Denver slide rule (circular nomograph) Data (necessary): zFeed size D f and product size d zGiven ore hardness (soft, medium or hard) zGiven

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bauxite ball mill work index crusher in India. Crusher machine. Shenbang stone crushing equipment is designed to achieve maximum productivity and high reduction ratio.

get price### Volume 2, Issue 11, May 2013 Studies on Batch Grinding of

function for three set of feed sizes with three different ball sizes have been evaluated. Index Terms—Grinding, Ball Mill, Bauxite Ore, Specific Surface Area, Energy Consumption. I. trucksINTRODUCTION Many researchers are working in different fields for a better society. The cost effectiveness plays a vital role in the better research. Mineral Engineers are crucial for any product

get price### Rod Mill Grinding For Bauxite Ore Hadoop Training

High Quality Ball Mills For Bauxite Ore. Ball mills in china for bauxite ore Application Ball mills is the key equipment for grinding after the crushing process and it is widely used in the manufacture industries such as cement silicate new building material refractory material fertilizer ferrous metal nonferrous metal and glass ceramics it also can be used for the dry and

get price### List Of Equipment For Bauxite Mining

equipment needed for bauxite mining . equipment needed for bauxite mining Laboratory Ball Mill For Bond Work Index Procedure And Method . XMQ Series Cone Ball Mill is a lab grinding equipment for wet fine grinding of ore It is applicable to comminution of coal,bauxite and other materials in labs of mine is mainly used in. View Details Send Enquiry

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bauxite ball mill work index Table of Bond Work Index by Minerals Mineral Processing Table of Bond Work Index by Minerals This Table of Ball Mill Bond Work Index of Minerals is a summary as tested on ‘around the world sample’ How Does A Bauxite Crusher Works In Calcutta. Bauxite crushing bond work index stone crusher aggregate cone crusher crushing capacity stones Home Rock

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