Preliminary studies of black liquor decolourization from Organosolv pulping of sugar cane bagasse by Trametes versicolor

L Mesa, E Gonzalez, X Gabarrell

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Resum

Black liquor from sugar cane bagasse Organosolv process were treated with the with-rot fungus Trametes versicolor, to do preliminary studies of evaluation to reduce of colour, aromatic compounds and chemical oxygen demand (COD). The studies were made in shake flask. Reductions in colour and aromatic compounds of 90 to 95% and in COD of 95% were acheived. During the experiment, lacasse activity was detected but neither lignin peroxidase (LiP) nor manganese peroxidase (MnP) were detected, nevertheless Trametes versicolor is able to produce these enzymes. From the results obtained, it can be concluded that there is a relationship between lacasse production and colour reduction. This correlation responds to the equation Y(colour reduction) = 34,77+ 5.533 (lacasse activity).
Títol traduït de la contribucióPreliminary studies of black liquor decolourization from Organosolv pulping of sugar cane bagasse by Trametes versicolor
Idioma originalMultiple languages
Pàgines (de-a)142-147
RevistaAfinidad
Volum65
Número534
Estat de la publicacióPublicada - 1 de març 2008

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