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Reutilization of effluents from laccase-mediator treatments of kraft pulp for biobleaching.
- Source :
-
Bioresource technology [Bioresour Technol] 2011 Feb; Vol. 102 (3), pp. 3603-6. Date of Electronic Publication: 2010 Nov 05. - Publication Year :
- 2011
-
Abstract
- Several effluents from laccase-mediator treatments of kraft pulp were recovered and subsequently reused with fresh pulp in order to simulate recirculation of effluents during biobleaching. The effluents were used as a new bleaching stage without any modification except enzyme addition. Pulp treated with effluents were afterwards chemically bleached by using the simple sequence LQPo, where L represents the treatment with effluent and laccase addition, Q is a chelating stage and Po is an alkaline peroxide stage. This system showed a promising potential on delignification, with kappa number ranging from 5.5 to 6.6 after LQPo sequence, depending on the type of effluent employed in L stage. Improvements on pulp brightness were also reported compared with control experiment.<br /> (Copyright © 2010 Elsevier Ltd. All rights reserved.)
Details
- Language :
- English
- ISSN :
- 1873-2976
- Volume :
- 102
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- Bioresource technology
- Publication Type :
- Academic Journal
- Accession number :
- 21111614
- Full Text :
- https://doi.org/10.1016/j.biortech.2010.10.109