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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
03/07/2024 |
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Data da última atualização: |
31/07/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BORGES, R.; BRONDI, M.; ELIAS, A. M.; FARINAS, C. S.; RIBEIRO, C. |
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Afiliação: |
FEDERAL TECHNOLOGICAL UNIVERSITY OF PARANA; FEDERAL UNIVERSITY OF SAO CARLOS; ANDREW MILLI ELIAS, UNIVERSIDADE FEDERAL DE SÃO CARLOS (UFSCAR); CRISTIANE SANCHEZ FARINAS, CNPDIA; CAUE RIBEIRO DE OLIVEIRA, CNPDIA. |
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Título: |
Mechanochemical recycling of cellulose multilayer carton packages to produce micro and nanocellulose from the perspective of techno-economic and environmental analysis. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Journal of Environmental Management, v. 363, 121254, 2024. |
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Páginas: |
1 - 12 |
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ISSN: |
0301-4797 |
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DOI: |
https://doi.org/10.1016/j.jenvman.2024.121254 |
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Idioma: |
Inglês |
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Conteúdo: |
ABSTRACT Despite being composed of recyclable materials, the main technological challenge of multilayer carton packs involves the efficient decompatibilization of the cellulosic, polymeric, and metallic phases. Here, a simple twostep mechanochemical process is described that uses only aqueous media and mechanical force to promote phase separation in order to fully recycle multi-layer carton packaging. The first step produces value-added micro- and nanocellulose, while in the second step, aluminum is extracted, forming precipitated aluminum and aluminum oxyhydroxides. Solid polyethylene (PE) remains with a degree of purity defined by the process efficiency. The results show that cellulose is efficiently extracted and converted into micro- and nanocellulose after 15 min of milling. In the second stage, approximately 90% of the aluminum is extracted from the PE after 15 min of milling. Due to the separation and drying medium conditions, the finely divided particles of extracted aluminum also have oxyhydroxides in their composition. It is believed that a passivation layer forms on the metallic aluminum particle. The techno-economic analysis revealed a positive net present value (NPV) of $17.5 million, with a minimum selling price of 1.62 USD/kg of cellulose. The environmental analysis concluded that most of the environmental impact of the process is associated with the entry of carton packages into the system, incorporating a small environmental load related to the industrial process. The results indicate a promising option toward a circular economy and carbon neutrality. MenosABSTRACT Despite being composed of recyclable materials, the main technological challenge of multilayer carton packs involves the efficient decompatibilization of the cellulosic, polymeric, and metallic phases. Here, a simple twostep mechanochemical process is described that uses only aqueous media and mechanical force to promote phase separation in order to fully recycle multi-layer carton packaging. The first step produces value-added micro- and nanocellulose, while in the second step, aluminum is extracted, forming precipitated aluminum and aluminum oxyhydroxides. Solid polyethylene (PE) remains with a degree of purity defined by the process efficiency. The results show that cellulose is efficiently extracted and converted into micro- and nanocellulose after 15 min of milling. In the second stage, approximately 90% of the aluminum is extracted from the PE after 15 min of milling. Due to the separation and drying medium conditions, the finely divided particles of extracted aluminum also have oxyhydroxides in their composition. It is believed that a passivation layer forms on the metallic aluminum particle. The techno-economic analysis revealed a positive net present value (NPV) of $17.5 million, with a minimum selling price of 1.62 USD/kg of cellulose. The environmental analysis concluded that most of the environmental impact of the process is associated with the entry of carton packages into the system, incorporating a small environmental load related to the industrial pr... Mostrar Tudo |
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Palavras-Chave: |
Mechanochemical recycling; Micro- and nanocellulose; Multilayer carton packages. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02421naa a2200241 a 4500
001 2165362
005 2024-07-31
008 2024 bl uuuu u00u1 u #d
022 $a0301-4797
024 7 $ahttps://doi.org/10.1016/j.jenvman.2024.121254$2DOI
100 1 $aBORGES, R.
245 $aMechanochemical recycling of cellulose multilayer carton packages to produce micro and nanocellulose from the perspective of techno-economic and environmental analysis.$h[electronic resource]
260 $c2024
300 $a1 - 12
520 $aABSTRACT Despite being composed of recyclable materials, the main technological challenge of multilayer carton packs involves the efficient decompatibilization of the cellulosic, polymeric, and metallic phases. Here, a simple twostep mechanochemical process is described that uses only aqueous media and mechanical force to promote phase separation in order to fully recycle multi-layer carton packaging. The first step produces value-added micro- and nanocellulose, while in the second step, aluminum is extracted, forming precipitated aluminum and aluminum oxyhydroxides. Solid polyethylene (PE) remains with a degree of purity defined by the process efficiency. The results show that cellulose is efficiently extracted and converted into micro- and nanocellulose after 15 min of milling. In the second stage, approximately 90% of the aluminum is extracted from the PE after 15 min of milling. Due to the separation and drying medium conditions, the finely divided particles of extracted aluminum also have oxyhydroxides in their composition. It is believed that a passivation layer forms on the metallic aluminum particle. The techno-economic analysis revealed a positive net present value (NPV) of $17.5 million, with a minimum selling price of 1.62 USD/kg of cellulose. The environmental analysis concluded that most of the environmental impact of the process is associated with the entry of carton packages into the system, incorporating a small environmental load related to the industrial process. The results indicate a promising option toward a circular economy and carbon neutrality.
653 $aMechanochemical recycling
653 $aMicro- and nanocellulose
653 $aMultilayer carton packages
700 1 $aBRONDI, M.
700 1 $aELIAS, A. M.
700 1 $aFARINAS, C. S.
700 1 $aRIBEIRO, C.
773 $tJournal of Environmental Management$gv. 363, 121254, 2024.
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Embrapa Instrumentação (CNPDIA) |
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| 1. |  | CASTRO, B. L. de; SILVA, M. R. de; GRANDO, M. F.; MOLINA, L.; REIMERS, T.; YAMAZAKI-LAU, E.; KAZMIRSK, T.; SCHONS, J.; DENARDIN, N.; SUZIN, M. Transformação de diferentes tamanhos de embriões imaturos de milho via Agrobacterium tumefaciens. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 19., 2009, Passo Fundo. Pesquisa, Inovação e tecnologia. Passo Fundo: UPF, 2009. 1 CD-ROM. 2 p.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Trigo. |
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| 2. | | CASTRO, B. L. de; SILVA, M. R. de; GRANDO, M. F.; MOLINA, L.; REIMERS, T.; YAMAZAKI-LAU, E.; KAZMIRSK, T.; SUZIN, M. Transformação genética em milho - subprojeto: curva de morte em calos embriogênicos de milho utilizando diferentes concentrações do agente seletivo bialaphos. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 19., 2009, Passo Fundo. Pesquisa, Inovação e tecnologia. Passo Fundo: UPF, 2009. 1 CD-ROM. 2 p.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Trigo. |
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| 3. | | CASTRO, B. L. de; SILVA, M. R. de; GRANDO, M. F.; MOLINA, L.; REIMERS, T.; YAMAZAKI-LAU, E.; KAZMIRSK, T.; SCHONS, J.; DENARDIN, N.; SUZIN, M. Transformação genética em milho - subprojeto: transformação de pendões imaturos e calos embriogênicos de milho via agrobacterium tumefaciens. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 19., 2009, Passo Fundo. Pesquisa, Inovação e tecnologia. Passo Fundo: UPF, 2009. 1 CD-ROM. 3 p.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Trigo. |
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| Registros recuperados : 3 | |
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