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Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/2675

Título: Um processo integrado para produzir compostos fenólicos de elevado valor acrescentado a partir de Lenhina Kraft
Outros títulos: An integrated process to produce high value-added phenolic compounds from kraft lignin
Autor: Silva, E.A.B.
Zabkova, M.
Araújo, J.D.
Cateto, C.A.
Barreiro, M.F.
Belgacem, M.N.
Rodrigues, A.E.
Palavras-chave: Aldeídos
Lenhina kraft
Oxidação
Processo Integrado
Ultra-filtração
Issue Date: 2010
Editora: TECNICELPA
Citação: Silva, E.A.B. ; Zabkova, M. ; Araújo, J. D. ; Cateto, C. A. ; Barreiro, M. F. ; Belgacem, M. N. ; Rodrigues, A.E. ; (2010) - Um processo integrado para produzir compostos fenólicos de elevado valor acrescentado a partir de Lenhina Kraft = An integrated process to produce high value-added phenolic compounds from kraft lignin. In XXI TECNICELPA Conference and Exhibition / VI CIADICYP. Lisboa, Portugal. ISBN 978-989-20-1926-0
Relatório da Série N.º: ;P80
Resumo: The implementation of biorefineries for the production of chemicals as well as materials and energy products is the key to ensure a sustainable future for the chemical and allied industries. LSRE has been working with lignin based bio-refining for near two decades with pioneering work on the subject. A Research & Development Program on the production of phenolic aldehydes, in particular vanillin, from Kraft lignin has been developed for many years. In this work, the strategy is to combine reaction engineering and separation processes for converting lignin from spent liquors into added-value aldehydes. The major result is an integrated process of vanillin production from Kraft lignin. The integrated process is based on three main steps. The first step consists on the alkaline lignin oxidation, in which valuable information can be found to decide the best conditions for the vanillin production. Considering the further isolation of vanillate from the oxidized solution, important results have been reached in the framework of ultra-filtration process, and equilibrium and kinetic adsorption studies. The degraded lignin resulting from membrane process can be considered for obtaining lignin-based polyurethanes materials.
Descrição: This work has been awarded with the prize for the best poster communication.
URI: http://hdl.handle.net/10198/2675
ISBN: 978-989-20-1926-0
Versão do Editor: www.tecnicelpa.com/ciadicyp/2010
Appears in Collections:DTQB - Artigos em Proceedings Não Indexados ao ISI

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