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Rapid determination of Bond rod-mill work index by modeling the grinding kinetics
Iran Mineral Processing Research Centre (IMPRC), Karaj.
Iran Mineral Processing Research Centre (IMPRC), Karaj.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0002-5979-5608
2013 (English)In: Advanced Powder Technology, ISSN 0921-8831, E-ISSN 1568-5527, Vol. 24, no 1, 441-445 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2013. Vol. 24, no 1, 441-445 p.
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-10902DOI: 10.1016/j.apt.2012.10.003Local ID: 9c82a3f7-2eac-4af8-b6b7-3a659a70ad27OAI: oai:DiVA.org:ltu-10902DiVA: diva2:983850
Note
Validerad; 2013; 20121108 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Parian, Mehdi Amiri

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