Values of Bond crushing work index will vary from a 8 kWh/t for laterite hardcap through to 22 kWh/t for banded iron formation to 46 kWh/t for fresh greenstone. usages of different types of bauxite - Coal processing system ... Six different types of rock samples associated in bauxite mine waste. 2.1 Bonds Work Index Representative samples were ...
Get PriceAverage 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 More detailed
Get PriceJun 19, 2015 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
Get PriceOct 13, 2019 Bond Crusher Work Index - greenrevolution.org.in. bauxite crushing bond work index rock crusher and. The Crusher Work Index in kWh/ton is a function of the materials impact strength and is defined by an argillite type of rock, which has a work index of 16.5 bond crushing work index equipment.
Get PriceSix different types of rock samples associated in bauxite mine waste. 2.1 Bonds Work Index Representative samples were prepared separately by stage crushing to all passing a 6 mesh sieve. The weight of 700 cc sample was placed in the mill. The grinding conditions are given below. a) Gibbsitic
Get PriceNumber Tested. AndesiteBariteBasaltBauxiteCement clinkerCement (raw)CokeCopper oreDioriteDolomiteEmeryFeldsparFerro-chromeFerro-manganese. 673414197204454895. adjusted from short tons to metric tonnes. Specific Gravity2.844.502.912.203.152.671.313.022.822.743.482.596.666.32. Work Index (kWh/t)
Get PriceHigh Pressure Grinding Roll (HPGR) is a modern and energy-efficient surface area and pore volume of HPGR and jaw crusher comminuted products. The results indicate that HPGR products have lower work index, higher specific surface area and pore volume than its counterpart. Therefore HPGR is capable of lowering the energy consumption on plants, as well as
Get PriceThe 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. He produced a correlation between the mass of test screen undersize per
Get PriceThe Bonds 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
Get PriceDec 03, 2021 mineral processing ore Bauxite Crushing Work Index Crushing Law And Work Index - greenrevolution.org. Chapter 3 - Particle Technology (Size Reduction) 3.2.2 Bond crushing law and work index. The work required to form particles of size Dp from very large feed is proportional to the square root of the surface-to-volume ratio of the product, sp/vp.
Get PriceJan 18, 2020 Bond-work index (Wi), Hardgrove Grindability Index (HGI), Zeisel specific performed in water, liquor or acid and often at high temperature (e.g. bauxite grinding modeling of crushing and grinding, the dimensioning of mills and the testingBond ball mill work index reduction after HPGR. Ore. Crusher.
Get PriceThe Bond work index is regarded as one of the crushing ... In this investigation, some Saudi samples from bauxite, kaolinite, granodiorite, magnetite, granite, feldspar and quartz were tested for hardness, abrasion, compressive strength and modulus of elasticity, ,
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Get PriceThe crushing energy in mineral processing industry is usually determined by empirical Bond index, regardless of the mechanical properties of a rock. Although several attempts have been made to obtain the comminution energy based on theoretical approaches, it would be beneficial to examine this relation based on physical concept. In this paper, some Saudi samples of
Get PriceBauxite Crushing And Grinding Plantbauxite grinding mill Bauxite is the best material for the production of aluminum metal but also the most important application areas with more than 90 of its accounts for the worlds bauxite totalNon metal use bauxite is mainly for refractory material abrasive materials stone products and high alumina cement ...
Get PriceDistribution of impact (crushing) work index for selected materials measured using the Bond pendulum (symbols experimental data lines log-normal fit). ...
Get PriceIn recent, the brittleness test/friability value of bauxite, limestone, barite, marble, copper ore, andesite and ulexite 6 789 is also suggested to find out the work index of material. The ...
Get Pricej. Future Growth and prospects To install a 18 MW co-generation power plant (steam and power production) in Hindalco, along with railway siding facility for handling coal and bauxite. It will reduce the cost of production substantially. This is expected to be completed by end 2011. To expand special alumina capacity from present capacity of 138 ktpa to 316 ktpa.
Get PriceThe Bonds 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 (S 1 ) and Bonds work index, Wi -18.193 Ln (S 1 ) 66.747 has been ...
Get PriceBond crushing law and work index Example What is the power required to crush 100 ton/h of limestone if 80% of the feed pass a 2-in screen and 80% of More detailed
Get PriceJul 21, 2019 bauxite crushing bond work index - shibang-china.com. Ammtec. Values of Bond crushing work index will vary from a 8 kWh/t for laterite hardcap through to 22 kWh/t for banded iron formation to 46 kWh/t for fresh greenstone. Read more
Get PriceThe Scope of work Deliverables by the Service Provider shall include all works whether directly related or incidental to Mining Sorting of Bauxite. The Quality of Bauxite produced from Bodai- Daldali Mines by sorting and sizing should have Minimum 45.30% Al2O3 Grade Maximum 3.70% SiO2 OR as grade specified by Mines Manager in the
Get PriceMay 08, 2014 There has been a case report of mild pulmonary fibrosisoccurring in a man exposed to bauxite crushing and transport from 1936 to 1962.17 The incidental finding on autopsy led to confirmation of the presence of bauxite within the area of fibrosis. More recently, epidemiological studies of employees exposed to bauxite dust have been conducted.
Get PricePLK (Partially Laterised Khondalite) rock is a general terminology used in this paper for those rocks which are in general associated in bauxite mining such as Partially Altered Khondalite (PAK) rocks, Partially Kaolinised Khondalite (PKK) rocks and Lithomerge. This paper deals with the Bonds work index, Hardgrove index and Brittleness tests on six typical rock samples and
Get PriceDec 10, 2004 The work index (W i) can be determined from the laboratory measurement data using the following formula (4) W i 4. 9 x max 0.23 G 0.82 (1 x 80, m 1 X 80, m), kWh/t where x max is the grinding fineness (hole size of the checking screen used at the laboratory grinding, usually 100 m), X 80,m is the 80% particle size (m) of the feed of ...
Get PriceAbstract The crushing tests of different moisture content bauxite were made by using laboratory high pressure grinding roller. The results showed that, high pressure grinding roller capacity had little effect and favourable to crushing when bauxite contained some moisture, and high pressure grinding roller capacity reduced significantly and high pressure grinding roller
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Get Pricecrushing work index for granite - crushing work index for granite Impact of Granite Quarrying on the Health of Workers and Nearby drilling and crushing locations at each of the quarry sites. what is bond law of crushing - chennaifashions where kk is kicks coefficient. 3.2.2 bond crushing law and work index. the work required to form use of ...
Get PriceBauxite Reserves. The top 5 countries, Guinea, Australia, Brazil, Vietnam and Jamaica, hold over 70% of the worlds documented bauxite reserves. Bauxite resources are estimated to be 55 billion to 75 billion tons, in Africa (32%), Oceania (23%), South America and the Caribbean (21%), Asia (18%), and elsewhere (6%).
Get PriceBauxite Processing Plant Bauxite Ore Crushing And Ore . usually, according to the quarry conditions, mobile crushing plants are also used in the bauxite quarrying. bauxite particles should be further grinded by the use of grinding mill. and the types of grinding mill are varied, including ball mill, LM series vertical shaft mill, superfine roller mill, and raymond mill, etc.
Get PriceR. Swain and R. Rao, Alternative Approaches for Determination of Bond Work Index on Soft and Friable Partially Laterised Khondalite Rocks of Bauxite Mine Waste Materials, Journal of Minerals and Materials Characterization and Engineering, Vol. 8 No. 9, 2009, pp. 729-743. doi 10.4236/jmmce.2009.89063.
Get PriceIt is not recommended to use UCS as a proxy for the Bond crushing work index, or vice versa. If you insist on doing so, there are several potential regression equations above that
Get PriceOct 08, 2015 Table of Bond Abrasion Index for Varied Minerals-Materials. The Bond Abrasion Test determines the Abrasion Index, which is used to determine steel media and liner wear in crushers, rod mills, and ball mills. Bond developed the following correlations based on the wear rate in pounds of metal wear/kWh of energy used in the comminution process.
Get PriceWork Indices of Common Rocks Material Work Index, Wi andesite 18.25 basalt 17.10 bauxite 8.78 coal 13.0 Copper ore 12.73 dolomite 11.27 gabbro 18.45 granite 15.13 hematite 12.87 Nickel ore 13.65 Trap rock 19.32
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