PRODUCTION OF BIONAPHTHA FROM (C3-C5) PRIMARY ALCOHOLS VIA CATALYTIC DEHYDROGENATION/ DEHYDRATION PROCESSES

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCtr Univ Jales UNIJALES-
Autor(es): dc.creatorCoelho, Adonis-
Autor(es): dc.creatorMetzker, Gustavo-
Autor(es): dc.creatorLima, Livia P. de-
Autor(es): dc.creatorGomes, Eleni-
Autor(es): dc.creatorBoscolo, Mauricio-
Data de aceite: dc.date.accessioned2025-08-21T17:30:07Z-
Data de disponibilização: dc.date.available2025-08-21T17:30:07Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.21577/0100-4042.20250094-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/297680-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/297680-
Descrição: dc.descriptionA sequence of dehydrogenation/dehydration reactions of homologous alcohols: propanol, butanol and pentanol was conducted using heterogeneous catalysts composed of mixed metal oxides basically of Mg and Al derived from hydrotalcites in the ratio M2+/Al3+ = 3, with 10 and 20% of the Mg substituted by Cu. The reactions were carried out in a fixed-bed reactor over a duration of 6 h at temperatures of 450 and 500 degrees C and yielded products of significant interest to the chemical industry. Product identification and quantification were achieved through gas chromatography coupled with mass spectrometry (GC-MS). A range of compounds were obtained, including alcohols, aldehydes, ethers, carboxylic acids, ketones, and hydrocarbons, with condensed alcohols and aldehydes being the predominant products. Reaction pathways were proposed for conversion of alcohols into their respective products, based on the Guerbet reaction mechanism. Catalysts containing copper proved to be more efficient in selectivity and stability throughout the reaction.-
Descrição: dc.descriptionUniv Estadual Paulista UNESP, Inst Biociencias Letras & Ciencias Exatas, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil-
Descrição: dc.descriptionCtr Univ Jales UNIJALES, BR-15703200 Jales, SP, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista UNESP, Inst Pesquisas Bioenergia IPBen, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista UNESP, Inst Biociencias Letras & Ciencias Exatas, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista UNESP, Inst Pesquisas Bioenergia IPBen, BR-15054000 Sao Jose Do Rio Preto, SP, Brazil-
Formato: dc.format8-
Idioma: dc.languagept_BR-
Publicador: dc.publisherSoc Brasileira Quimica-
Relação: dc.relationQuimica Nova-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjecthomologous alcohols-
Palavras-chave: dc.subjectGuerbet reaction-
Palavras-chave: dc.subjectmixed metal oxides-
Palavras-chave: dc.subjectbionaphtha.-
Título: dc.titlePRODUCTION OF BIONAPHTHA FROM (C3-C5) PRIMARY ALCOHOLS VIA CATALYTIC DEHYDROGENATION/ DEHYDRATION PROCESSES-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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