MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME

Detalhes bibliográficos
Autor(a) principal: Camacho, Alini Luisa Diehl
Data de Publicação: 2020
Outros Autores: Moraes, Carlos Alberto Mendes, Cardoso, Marília Duarte
Tipo de documento: Artigo
Idioma: por
Título da fonte: Mix Sustentável (Online)
Texto Completo: https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4290
Resumo: Characterization and segregation are steps that indicate the potential for recycling solid waste. For the recycling of secondary refining slag there are no consolidated applications, due to its high density, as well as its expansive characteristic when exposed to the environment in its early stabilizing ages, which makes it possible to value it as a co-product, minimizing waste in landfills and the environmental impact generated. In the laboratory, ceramic specimens containing slag from the secondary refining of an electric steel works were produced in the laboratory to assess their influence of storage time on mechanical and structural properties. The slags and the clay were previously characterized and, in the established lines, the properties of mechanical resistance in flexion, water absorption and apparent porosity wereanalyzed. The linear shrinkage in both samples was greater after drying than after sintering and the results showed a decrease in mechanical strength in the addition of 10 and 15 % slag with 1 day of storage, whereas in 45 days of storage, the properties were better, which indicates the potential for addition in ceramic material under the evaluated conditions. In this sense, the storage time must be extended to ensure the stabilization of the residue, which means minimizing the presence of free lime in the co-product that generates expandability when mixed with water during the drying and sintering processes of the ceramic material.
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spelling MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIMEAVALIAÇÃO MECÂNICA E ESTRUTURAL DA ADIÇÃO DE ESCÓRIA DO REFINO SECUNDÁRIO VIA ACIARIA ELÉTRICA EM MATERIAL CERÂMICO EM FUNÇÃO DO TEMPO DE ESTOCAGEM DO RESÍDUOSlagRecyclingElectric Steel worksCeramic MaterialCharacterization and segregation are steps that indicate the potential for recycling solid waste. For the recycling of secondary refining slag there are no consolidated applications, due to its high density, as well as its expansive characteristic when exposed to the environment in its early stabilizing ages, which makes it possible to value it as a co-product, minimizing waste in landfills and the environmental impact generated. In the laboratory, ceramic specimens containing slag from the secondary refining of an electric steel works were produced in the laboratory to assess their influence of storage time on mechanical and structural properties. The slags and the clay were previously characterized and, in the established lines, the properties of mechanical resistance in flexion, water absorption and apparent porosity wereanalyzed. The linear shrinkage in both samples was greater after drying than after sintering and the results showed a decrease in mechanical strength in the addition of 10 and 15 % slag with 1 day of storage, whereas in 45 days of storage, the properties were better, which indicates the potential for addition in ceramic material under the evaluated conditions. In this sense, the storage time must be extended to ensure the stabilization of the residue, which means minimizing the presence of free lime in the co-product that generates expandability when mixed with water during the drying and sintering processes of the ceramic material.A caracterização e segregação são etapas que indicam potencialidades da reciclagem de resíduos sólidos. Para a reciclagem de escória de refino secundário não há aplicações consolidadas, o que possibilita valorizá-la como coproduto minimizando resíduos em aterros e o impacto ambiental gerado. Foram produzidos, em laboratório, corpos de prova cerâmicos contendo escória do refino secundário de aciaria elétrica para avaliar a sua influência do tempo de estocagem nas propriedades mecânicas e estruturais. As escórias e a argila foram previamente caracterizadas e, nos traços estabelecidos, analisaram-se as propriedades de resistência mecânica na flexão, absorção de água e porosidade aparente. A retração linear em ambas as escórias foi maior após a secagem do que após a sinterização e, os resultados apresentaram queda na resistência mecânica nas adições de 10 e 15 % de escória com 1 dia de estocagem, enquanto que em 45 dias de estocagem, as propriedades foram melhores, o que indica potencialidade de adição em material cerâmico nas condições avaliadas. Neste sentido, o tempo de estocagem deve ser ampliado para garantir a estabilização do resíduo, o que significa minimizar a presença de cal livre no coproduto que gera expansibilidade quando misturado com água durante os processos de secagem e sinterização do material cerâmico.UFSC - Federal University of Santa Catarina2020-12-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/vnd.openxmlformats-officedocument.wordprocessingml.documenthttps://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/429010.29183/2447-3073.MIX2020.v7.n1.111-124Mix Sustentável; Vol. 7 No. 1 (2020): Mix Sustentável (edição regular); 111-124MIX Sustentável; v. 7 n. 1 (2020): Mix Sustentável (edição regular); 111-1242447-30732447-0899reponame:Mix Sustentável (Online)instname:Universidade Federal de Santa Catarina (UFSC)instacron:UFSCporhttps://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4290/3487https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4290/4567Copyright (c) 2020 Alini Luisa Diehl Camacho, Carlos Alberto Mendes Moraes, Marília Duarte Cardosoinfo:eu-repo/semantics/openAccessCamacho, Alini Luisa DiehlMoraes, Carlos Alberto MendesCardoso, Marília Duarte2021-03-12T16:19:59Zoai:ojs.sites.ufsc.br:article/4290Revistahttp://mixsustentavel.paginas.ufsc.br/apresentacao-2/PUBhttp://ojs.sites.ufsc.br/index.php/mixsustentavel/oailisiane.librelotto@ufsc.br||mixsustentavel@gmail.com2447-30732447-0899opendoar:2021-03-12T16:19:59Mix Sustentável (Online) - Universidade Federal de Santa Catarina (UFSC)false
dc.title.none.fl_str_mv MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
AVALIAÇÃO MECÂNICA E ESTRUTURAL DA ADIÇÃO DE ESCÓRIA DO REFINO SECUNDÁRIO VIA ACIARIA ELÉTRICA EM MATERIAL CERÂMICO EM FUNÇÃO DO TEMPO DE ESTOCAGEM DO RESÍDUO
title MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
spellingShingle MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
Camacho, Alini Luisa Diehl
Slag
Recycling
Electric Steel works
Ceramic Material
title_short MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
title_full MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
title_fullStr MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
title_full_unstemmed MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
title_sort MECHANICAL AND STRUCTURAL EVALUATION OF SECUNDARY REFINING SLAG ADDITION VIA ELECTRIC STEEL WORKS IN CERAMIC MATERIAL AS A FUNCTION OF WASTE STORAGE TIME
author Camacho, Alini Luisa Diehl
author_facet Camacho, Alini Luisa Diehl
Moraes, Carlos Alberto Mendes
Cardoso, Marília Duarte
author_role author
author2 Moraes, Carlos Alberto Mendes
Cardoso, Marília Duarte
author2_role author
author
dc.contributor.author.fl_str_mv Camacho, Alini Luisa Diehl
Moraes, Carlos Alberto Mendes
Cardoso, Marília Duarte
dc.subject.por.fl_str_mv Slag
Recycling
Electric Steel works
Ceramic Material
topic Slag
Recycling
Electric Steel works
Ceramic Material
description Characterization and segregation are steps that indicate the potential for recycling solid waste. For the recycling of secondary refining slag there are no consolidated applications, due to its high density, as well as its expansive characteristic when exposed to the environment in its early stabilizing ages, which makes it possible to value it as a co-product, minimizing waste in landfills and the environmental impact generated. In the laboratory, ceramic specimens containing slag from the secondary refining of an electric steel works were produced in the laboratory to assess their influence of storage time on mechanical and structural properties. The slags and the clay were previously characterized and, in the established lines, the properties of mechanical resistance in flexion, water absorption and apparent porosity wereanalyzed. The linear shrinkage in both samples was greater after drying than after sintering and the results showed a decrease in mechanical strength in the addition of 10 and 15 % slag with 1 day of storage, whereas in 45 days of storage, the properties were better, which indicates the potential for addition in ceramic material under the evaluated conditions. In this sense, the storage time must be extended to ensure the stabilization of the residue, which means minimizing the presence of free lime in the co-product that generates expandability when mixed with water during the drying and sintering processes of the ceramic material.
publishDate 2020
dc.date.none.fl_str_mv 2020-12-21
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4290
10.29183/2447-3073.MIX2020.v7.n1.111-124
url https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4290
identifier_str_mv 10.29183/2447-3073.MIX2020.v7.n1.111-124
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4290/3487
https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4290/4567
dc.rights.driver.fl_str_mv Copyright (c) 2020 Alini Luisa Diehl Camacho, Carlos Alberto Mendes Moraes, Marília Duarte Cardoso
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2020 Alini Luisa Diehl Camacho, Carlos Alberto Mendes Moraes, Marília Duarte Cardoso
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/vnd.openxmlformats-officedocument.wordprocessingml.document
dc.publisher.none.fl_str_mv UFSC - Federal University of Santa Catarina
publisher.none.fl_str_mv UFSC - Federal University of Santa Catarina
dc.source.none.fl_str_mv Mix Sustentável; Vol. 7 No. 1 (2020): Mix Sustentável (edição regular); 111-124
MIX Sustentável; v. 7 n. 1 (2020): Mix Sustentável (edição regular); 111-124
2447-3073
2447-0899
reponame:Mix Sustentável (Online)
instname:Universidade Federal de Santa Catarina (UFSC)
instacron:UFSC
instname_str Universidade Federal de Santa Catarina (UFSC)
instacron_str UFSC
institution UFSC
reponame_str Mix Sustentável (Online)
collection Mix Sustentável (Online)
repository.name.fl_str_mv Mix Sustentável (Online) - Universidade Federal de Santa Catarina (UFSC)
repository.mail.fl_str_mv lisiane.librelotto@ufsc.br||mixsustentavel@gmail.com
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