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Título:	High-pressure grinding rolls: model validation andfunction parameters dependency on processconditions
Autor/a:	Anticoi Sudzuki, Hernán Francisco; Guasch Cascallo, Eduard; Oliva Moncunill, Josep; Alfonso Abella, María Pura; Bascompta Massanes, Marc; Sanmiquel Pera, Lluís
Otros autores:	Universitat Politècnica de Catalunya. Doctorat en Recursos Naturals i Medi Ambient; Universitat Politècnica de Catalunya. Departament d'Enginyeria Minera, Industrial i TIC; Universitat Politècnica de Catalunya. GREMS - Grup de Recerca en Mineria Sostenible
Abstract:	A model for High Pressure Grinding Rolls (HPGR) was developed in this work based on thewidely used Population Balance Model (PBM). This approach uses a variety of different func-tions one of which is the breakage distribution function. The methodology to determine thefunction parameters is presented and using these values, the model was compared with realprocessed materials from an HPGR pilot plant, with tungsten ore as the test material. Theresults of the model parameter determination, and the product of the comminution in theHPGR, showed the dependency of material breakage on the material characteristics, and onthe operative and process conditions. The model presented is reasonably robust, showingless error than the 3.0 Root Mean Square Error when compared with a heterogeneous feedparticle size distribution material. The operational gap was also studied, and its dependencyon the feed particle size, porosity, moisture, and specific pressing force was proven.
Abstract:	Peer Reviewed
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Enginyeria de mines::Processament de minerals -Grinding machines -Modeling -Size reduction of materials -Tungsten -High pressure grinding rolls -Modelling -Breakage -Comminution -Màquines de mòlta -Modelatge -Tungstè
Derechos:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Tipo de documento:	Artículo - Versión publicada Artículo
Editor:	Elsevier
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