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Rapid determination...
Rapid determination of Bond rod-mill work index by modeling the grinding kinetics
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- Ahmadi, R. (author)
- Iran Mineral Processing Research Centre (IMPRC), Karaj
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- Hashemzadehfini, M. (author)
- Iran Mineral Processing Research Centre (IMPRC), Karaj
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- Parian, Mehdi Amiri (author)
- Luleå tekniska universitet,Industriell miljö- och processteknik
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(creator_code:org_t)
- Elsevier BV, 2013
- 2013
- English.
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In: Advanced Powder Technology. - : Elsevier BV. - 0921-8831 .- 1568-5527. ; 24:1, s. 441-445
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Generally, Bond work index is a common method for selecting comminution equipment as well as estimation of grinding efficiency and calculating required power. In the current research, a simple, fast and accurate procedure is introduced to find the rod-mill work index based on the conventional Bond work index. The grinding experiments were carried out on four typical samples of iron, copper, manganese and lead–zinc ore with three test-sieves in specified time periods and aimed to shortening the procedure. Furthermore, the grinding kinetics and mass balance equations were applied to model the standard Bond rod-mill work index. For comparing the standard Bond rod-mill work index and the new modeled method, work index (Wi) and produced fine particles in a cycle (Gi) for the four samples determined. The performed paired Student’s t-test results indicated that the Standard Deviation for Gi and Wi obtained by the shortened method are respectively 0.50 and 0.58 in respect of traditional Bond method.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- Mineralteknik
- Mineral Processing
Publication and Content Type
- ref (subject category)
- art (subject category)
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