The use of ore microscopy data for flotation process control by means of a liberation model - a case study

Detalhes bibliográficos
Autor(a) principal: Barros, Elisa
Data de Publicação: 2000
Outros Autores: Leite, Mário, Cavalheiro, Abílio
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10198/11852
Resumo: Any realistic description of ore processing dealing with a particulate system requires an adequate characterization of it properties, mainly particle size and grade,because these are the most important variables that influence the performance of a mineral processing separation, such as froth flotation. Experience has shown that an appropriate model for liberation of solid phases must always integrate all available mineralogical data by comminution. The present work aims too describe a case study for calibration of a liberation model with data obtained from semi-quantitative mineralogical analysis (ore microscopy). For the specific case of random comminution, a limit probability argument is used to justify the introduction of Euler's Beta Law as well-suited tool for describing the liberantion state of a comminuted ore, because it is able to predict the grade distribution of a given iso-size fraction of such particulate system.
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spelling The use of ore microscopy data for flotation process control by means of a liberation model - a case studyFlotation processLiberationMineral processingModellingPhenomenological modelsAny realistic description of ore processing dealing with a particulate system requires an adequate characterization of it properties, mainly particle size and grade,because these are the most important variables that influence the performance of a mineral processing separation, such as froth flotation. Experience has shown that an appropriate model for liberation of solid phases must always integrate all available mineralogical data by comminution. The present work aims too describe a case study for calibration of a liberation model with data obtained from semi-quantitative mineralogical analysis (ore microscopy). For the specific case of random comminution, a limit probability argument is used to justify the introduction of Euler's Beta Law as well-suited tool for describing the liberantion state of a comminuted ore, because it is able to predict the grade distribution of a given iso-size fraction of such particulate system.Canadian Institute of MiningBiblioteca Digital do IPBBarros, ElisaLeite, MárioCavalheiro, Abílio2015-05-26T08:18:17Z20002000-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10198/11852engBarros, Elisa; Leite, Mário; Cavalheiro, Abílio (2000). The use of ore microscopydata for flotation process control by means of a liberation model: a case study. CIM Bulletin. 93:1039, p. 55-590317-0926info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-21T10:27:52Zoai:bibliotecadigital.ipb.pt:10198/11852Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T23:02:18.607322Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv The use of ore microscopy data for flotation process control by means of a liberation model - a case study
title The use of ore microscopy data for flotation process control by means of a liberation model - a case study
spellingShingle The use of ore microscopy data for flotation process control by means of a liberation model - a case study
Barros, Elisa
Flotation process
Liberation
Mineral processing
Modelling
Phenomenological models
title_short The use of ore microscopy data for flotation process control by means of a liberation model - a case study
title_full The use of ore microscopy data for flotation process control by means of a liberation model - a case study
title_fullStr The use of ore microscopy data for flotation process control by means of a liberation model - a case study
title_full_unstemmed The use of ore microscopy data for flotation process control by means of a liberation model - a case study
title_sort The use of ore microscopy data for flotation process control by means of a liberation model - a case study
author Barros, Elisa
author_facet Barros, Elisa
Leite, Mário
Cavalheiro, Abílio
author_role author
author2 Leite, Mário
Cavalheiro, Abílio
author2_role author
author
dc.contributor.none.fl_str_mv Biblioteca Digital do IPB
dc.contributor.author.fl_str_mv Barros, Elisa
Leite, Mário
Cavalheiro, Abílio
dc.subject.por.fl_str_mv Flotation process
Liberation
Mineral processing
Modelling
Phenomenological models
topic Flotation process
Liberation
Mineral processing
Modelling
Phenomenological models
description Any realistic description of ore processing dealing with a particulate system requires an adequate characterization of it properties, mainly particle size and grade,because these are the most important variables that influence the performance of a mineral processing separation, such as froth flotation. Experience has shown that an appropriate model for liberation of solid phases must always integrate all available mineralogical data by comminution. The present work aims too describe a case study for calibration of a liberation model with data obtained from semi-quantitative mineralogical analysis (ore microscopy). For the specific case of random comminution, a limit probability argument is used to justify the introduction of Euler's Beta Law as well-suited tool for describing the liberantion state of a comminuted ore, because it is able to predict the grade distribution of a given iso-size fraction of such particulate system.
publishDate 2000
dc.date.none.fl_str_mv 2000
2000-01-01T00:00:00Z
2015-05-26T08:18:17Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10198/11852
url http://hdl.handle.net/10198/11852
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Barros, Elisa; Leite, Mário; Cavalheiro, Abílio (2000). The use of ore microscopydata for flotation process control by means of a liberation model: a case study. CIM Bulletin. 93:1039, p. 55-59
0317-0926
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Canadian Institute of Mining
publisher.none.fl_str_mv Canadian Institute of Mining
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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