Vanillin production from lignin oxidation in a batch reactor

• Tipo: Artigo em Revista Científica Internacional
• Data: 2010

Autores

Araujo, JDP (Autor) FEUP; Grande, CA (Autor) Outra; Alírio Rodrigues (Autor) FEUP

Revista

Título: Chemical Engineering Research and Design

Vol. 88 Nº 8

Páginas: 1024-1032

ISSN: 0263-8762

Editora: Institute of Chemical Engineers

Indexação

ISI Web of Knowledge - 111 Citações

ISI Web of Science

Scopus - 159 Citações

COMPENDEX

INSPEC

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia química

CORDIS: Ciências Tecnológicas > Engenharia > Engenharia química

Outras Informações

ID Authenticus: P-003-45K

DOI: 10.1016/j.cherd.2010.01.021

Abstract (EN): Vanillin production from lignin oxidation is a biomass-based process that employs a by-product of the pulp and paper industry and air to obtain a high-added value compound. However, lignin is an organic polymer with a structure that depends strongly on the source and the conditions to obtain vanillin should be adjusted for different samples. The objective of this work is to establish a fast and standard protocol to characterize lignin conversion to vanillin by batch oxidation. The experimental technique is coupled with a mathematical model that allows us to fit the data and determine kinetic rate constants under non-isothermal conditions. Two examples of vanillin oxidation with very different lignin sources are presented. The results revealed vanillin yields with respect to the lignin mass ranging from 3.5% to 7.6% for the high and low-molecular weight lignins, respectively.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 9