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Influence of slurry rheology on stirred media milling of limestone
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
2006 (English)In: Advances in Comminution: [third international symposium, 2006] / [ed] S. Komar Kawatra, Littleton, Colo: Society for Mining, Metalurgy and Exploration, 2006, p. 243-260Conference paper, Published paper (Other academic)
Abstract [en]

This paper reviews the influences of solids concentrations and dispersants with a range of molecular weights on the flowability of limestone slurries as well as the effects on wet ultrafine grinding in order to reduce energy cost and increase the fineness of a product. Sodium pofyacrylate with a molecular weight of 5,500 (i.e., Dispersant S40) appears most effective for the grinding due to the effective reduction of apparent viscosities and the maintenance of steady flowability. Optimal solids concentration exists at a certain beads load for the effective wet ultrafine grinding of limestone, and a rheological explanation is presented.

Place, publisher, year, edition, pages
Littleton, Colo: Society for Mining, Metalurgy and Exploration, 2006. p. 243-260
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-38947Local ID: d8292170-b845-11db-abff-000ea68e967bISBN: 0-87335-246-7 (print)OAI: oai:DiVA.org:ltu-38947DiVA, id: diva2:1012454
Conference
International Symposium: Advances in Comminution : 26/03/2006 - 29/03/2006
Note
Godkänd; 2006; 20070209 (pafi)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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He, MingzhaoForssberg, Eric

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