2007
DOI: 10.1016/j.jaap.2006.07.003
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Pyrolysis-GC/MS and TG/MS study of mediated laccase biodelignification of Eucalyptus globulus kraft pulp

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Cited by 45 publications
(36 citation statements)
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“…Delignification was evaluated using kappa numbers. Although hexenuronic acids can represent over 30% of the KMnO 4 consumption in kappa numbers for unbleached pulps, it was shown in a previous paper that, with the same kind of pulp [6], the remotion of HexA in LMS(E) treatment is negligible. At most it represents half one unit of kappa number.…”
Section: Resultsmentioning
confidence: 92%
See 1 more Smart Citation
“…Delignification was evaluated using kappa numbers. Although hexenuronic acids can represent over 30% of the KMnO 4 consumption in kappa numbers for unbleached pulps, it was shown in a previous paper that, with the same kind of pulp [6], the remotion of HexA in LMS(E) treatment is negligible. At most it represents half one unit of kappa number.…”
Section: Resultsmentioning
confidence: 92%
“…For example, xylanases have been used to enhance the bleachable properties of pulp by instigating the spread of entrapped lignin from the cell wall [3,4]. Furthermore, treatments with ligninolytic enzymes may provide milder and cleaner processes for biodelignification of kraft pulp, without damaging the cellulose [5,6]. In addition, the new pulping and bleaching technologies will reduce the capital requirements of the pulp mill of the future, and biotechnology also seems attractive in this respect.…”
Section: Introductionmentioning
confidence: 99%
“…Estes compostos foram previamente identificados em madeira de eucaliptos cultivados no Brazil 4-6 e em outros países. 2,22,23 Os compostos foram identificados pela comparação de seus espectros de massa com os da biblioteca Willey 333,000, com dados da literatura [3][4][5][6]8,23 e, quando necessário, por fragmentografia de massas.…”
Section: Caracterização Dos Produtos De Pirólise Das Amostras De Eucaunclassified
“…Uma das áreas em constante crescimento é a das análises de materiais originários de madeira como lignina, 122 polpa celulósi-ca, [123][124][125] extrativos e pitch. [126][127][128][129] Muitas pesquisas sobre a lignina têm sido realizadas para identificar a estrutura de derivados guaiacil (G) e siringil (S), visando determinar o valor da relação S/G deste tipo de macromolécula.…”
Section: Análise De Produtos Da Madeiraunclassified