Simulation of bond grindability test by using cumulative based kinetic model

Aksani, B.; Sönmez, Bora

doi:10.1016/s0892-6875(00)00050-9

Cited by 22 publications

(12 citation statements)

References 1 publication

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“…Nevertheless, despite being unrivalled, it has an error range of up to 20%. Besides, determining the Work Index (wi) for a given mineral or ore composition is a time-consuming procedure that requires qualified personnel and a significant quantity of sample [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Application of the Cumulative Kinetic Model in the Comminution of Critical Metal Ores

Ciribeni

Bertero

Tello

et al. 2020

Metals

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Over the last decades, several reliable mathematical models have been developed for simulating ore comminution processes and determining the Work Index. Since Fred Chester Bond developed the Work Index standard procedure in 1961, numerous attempts have been made to find simpler, faster, and economically more advantageous alternative tests. In this paper, a Bond test simulation based on the cumulative kinetic model (CKM) has been checked on a spreadsheet. The research has been accomplished by conventionally determining the kinetic parameters for some Ag and Au ores and for three pure minerals and one rock that are common constituents of the gangue rock. Analysis of the results obtained allowed to develop a simplified procedure for calculating the kinetic parameters and their application to Work Index determination through simulation.

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Section: Introductionmentioning

confidence: 99%

Application of the Cumulative Kinetic Model in the Comminution of Critical Metal Ores

Ciribeni

Bertero

Tello

et al. 2020

Metals

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“…n most mineral processing plants, hardness is a measure used in evaluating the resistance of a mineral/ore sample to comminution and useful in the design of mineral processing circuits. Readings from hardness tests are also used to evaluate crushing and grinding efficiency (Aksani and Sonmez, 2000;Wills and Napier-munn, 2006). Bond work index is a size reduction parameter proposed by F.C Bond in 1952 (Wills & Napier-munn, 2006), which expresses the resistance of a material to comminution or grinding.…”

Section: Introductionmentioning

confidence: 99%

“…Bond work index is a size reduction parameter proposed by F.C Bond in 1952 (Wills & Napier-munn, 2006), which expresses the resistance of a material to comminution or grinding. The knowledge of the Bond work index is useful for design of comminution plants for metal extraction or mineral processing (Aksani and Sonmez 2000;Haffez 2012;Wills and Napier-munn 2006). For efficient separation of valuable minerals, the surface area to be subjected to process treatments must be large enough for faster actions and particle size analysis.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Rock Aggregate for Construction Using Comminution Theory

2019

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In this research, grinding energy of selected rock samples collected from South West Nigeria was determined using comminution theory in order to evaluate suitability of rock for aggregate production. Bond Work Index (BWi), Aggregate Impact Value (AIV) and Aggregate Crushing Value (ACV) of samples was characterized and correlated. The work index of the charnockitic rock, granite gneiss, porphyritic granite –labelled PG1 and porphyritic granite –labelled PG2 of samples was found to be 17.12 kWh/t, 13.72 kWh/t, 13.64 kWh/t and 12.76 kWh/t respectively. The ACV of the charnockitic rock, granite gneiss, porphyritic granite (PG1) and porphyritic granite (PG2) was determined to be 26.2 %, 27.3 %, 27.6 % and 27.8 % respectively; while the AIV of the samples, in same order, was 11.2 %, 13.2 %, 19.1 % and 18.4 % respectively. Following high correlation coefficient of 0.98% between BWi and ACV, hardness of rock materials are classified as ‘very difficult’, ‘difficult’, ‘medium’, ‘easy’ and ‘very easy’ for grinding energies in the range of >18 kWh/t, 14-18 kWh/t, 10-14 kWh/t, 7-10 kWh/t and 0-7 kWh/t respectively. Based on the classification, rock materials with grinding energy >10 kWh/t could be suitable for aggregate production and usable for civil construction purposes.Keywords- Aggregate, Aggregate impact value, Aggregate crushing value, Comminution, Grinding energy.

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“…The standard Bond grindability test is carried out under specified conditions of mill volume, mill speed, feed particle size, a circulating load of 250% and a control sieve size that depend on the target particle size [2], [5]. The Bond's work index is highly sensitive to the control sieve size and circulating load [6], [7], [8], [9], [10], [11], [12]. The foregoing indicates that the performance of a grinding mill is affected by the operating conditions in the mill.…”

Section: Introductionmentioning

confidence: 99%

Effects of Ball Milling Conditions on Breakage Response of Baban Tsauni (Nigeria) Lead-Gold Ore.

Egbe¹

2013

IOSR-JMCE

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Simulation of bond grindability test by using cumulative based kinetic model

Cited by 22 publications

References 1 publication

Application of the Cumulative Kinetic Model in the Comminution of Critical Metal Ores

Application of the Cumulative Kinetic Model in the Comminution of Critical Metal Ores

Assessment of Rock Aggregate for Construction Using Comminution Theory

Effects of Ball Milling Conditions on Breakage Response of Baban Tsauni (Nigeria) Lead-Gold Ore.

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