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Effect of grinding aids on the grinding energy consumed during grinding of calcite in a stirred ball mill / H. Choi in Minerals engineering, Vol. 23 N° 1 (Janvier 2010) 

Public ISBD [article]  in Minerals engineering > Vol. 23 N° 1 (Janvier 2010) . - pp. 54-57 Titre : Effect of grinding aids on the grinding energy consumed during grinding of calcite in a stirred ball mill Type de document : texte imprimé Auteurs : H. Choi, Auteur ; W. Lee, Auteur ; D. U. Kim, Auteur Article en page(s) : pp. 54-57 Note générale : Génie Minier Métallurgie Langues : Anglais (eng) Mots-clés : Comminution  Grinding  Mineral  processing  Fine  particle  processing Index. décimale : 622 Industrie minière Résumé : A series of wet-grinding experiments has been carried out on inorganic powders by a stirred ball mill to systematically investigate the grinding characteristics. The grinding power consumed for a given grinding time was considered, as well as the effect of grinding aids on particle size. The grinding energy consumed, defined as the integral of the grinding power over time, was also investigated. The grinding aids were found to influence the product size and decrease the grinding energy. This is attributed to the prevention of agglomeration and coating of the sample powder onto the ball and grinding chamber wall. The grinding process seemed to be controlled by the force of agglomeration of the ground products. It was demonstrated that the particle size and grinding consumption energy could be decreased by the addition of grinding aids. DEWEY : 622 ISSN : 0892-6875 En ligne : http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VDR-4XDKC9K-1&_user=6 [...] [article] Effect of grinding aids on the grinding energy consumed during grinding of calcite in a stirred ball mill [texte imprimé] / H. Choi, Auteur ; W. Lee, Auteur ; D. U. Kim, Auteur . - pp. 54-57. Génie Minier Métallurgie Langues : Anglais (eng) in Minerals engineering > Vol. 23 N° 1 (Janvier 2010) . - pp. 54-57 Mots-clés : Comminution  Grinding  Mineral  processing  Fine  particle  processing Index. décimale : 622 Industrie minière Résumé : A series of wet-grinding experiments has been carried out on inorganic powders by a stirred ball mill to systematically investigate the grinding characteristics. The grinding power consumed for a given grinding time was considered, as well as the effect of grinding aids on particle size. The grinding energy consumed, defined as the integral of the grinding power over time, was also investigated. The grinding aids were found to influence the product size and decrease the grinding energy. This is attributed to the prevention of agglomeration and coating of the sample powder onto the ball and grinding chamber wall. The grinding process seemed to be controlled by the force of agglomeration of the ground products. It was demonstrated that the particle size and grinding consumption energy could be decreased by the addition of grinding aids. DEWEY : 622 ISSN : 0892-6875 En ligne : http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VDR-4XDKC9K-1&_user=6 [...]