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Effect of powder filling on selection and breakage functions in batch grinding
Luleå University of Technology.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
1989 (English)In: Powder Technology, ISSN 0032-5910, E-ISSN 1873-328X, Vol. 59, no 4, p. 275-283Article in journal (Refereed) Published
Abstract [en]

The effect of powder filling on selection and breakage functions is investigated. At three levels of powder filling, the selection functions are determined by one-size-fraction tests. The selection function decreases rapidly with increasing powder filling. When the powder filling is very low, the breakage function appears to be higher. Because of the non-normalization of the breakage function in this work a back-calculation method for determination of the breakage function is applied. For the non-normalized breakage function, if the selection function is known, it is possible to back-calculate a normalizable breakage function which gives the best simulation results. The effect of powder filling on product size distribution can be compensated by adjusting the grinding time. The material used was iron ore.

Place, publisher, year, edition, pages
1989. Vol. 59, no 4, p. 275-283
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-8081Local ID: 68539200-c357-11db-9ea3-000ea68e967bOAI: oai:DiVA.org:ltu-8081DiVA, id: diva2:980971
Note
Godkänd; 1989; 20070124 (pafi)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Forssberg, Eric

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