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Elucidating the effects of laccase-modifying compounds treatments on bast and core fibers in flax pulp
(2012-01)
Article.
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Article.
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Laccases in combination with various chemical compounds have been tested with a view to obtain environmental friendly, high-value paper products from unbleached flax pulp, which is currently being assessed as a raw material ...
Biobleaching of high quality pulps with laccase mediator system: influence of treatment time and oxygen supply
(Elsevier, 2009)
Article.
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Article.
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In this study we examined the influence of the treatment time and addition of oxygen on the efficiency of a laccase mediator system (L) applied to flax pulp at atmospheric pressure. The redox potential and the dissolved ...
A new approach to the internal sizing of paper via biotechnological processes
(2011)
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This work deals with the study of a new biotechnological procedure, employing laccase in combination with hydrophobic compounds, for the biomodification of fibres and the internal sizing of paper. Cellulose fibres from ...
Enzymatic grafting of natural phenols to flax fibres: development of antimicrobial properties
(2012-01-04)
Article.
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Unbleached flax fibres for paper production were treated with laccase from Pycnoporus cinnabarinus and low molecular weight phenols (syringaldehyde – SA, acetosyringone – AS and p-coumaric acid – PCA) to evaluate the ...
Reutilization of effluents from laccase-mediator treatments of kraft pulp for biobleaching
(2011-02)
Article.
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Article.
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Integrating a xylanase treatment into an industrial-type sequence for eucalyptus kraft pulp bleaching
(American Chemical Society (ACS), 2012)
Article.
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Article.
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The influence of a treatment with two commercial xylanases on pulp and effluents obtained after the bleaching stages in the OXAZDP (O, oxygen stage; X, xylanase treatment; A, acid stage; Z, ozone stage; D, chlorine dioxide ...
Effect of process parameters in laccase mediator system delignification of flax pulp. Part II: Impact on effluents properties
(2009)
Article.
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Article.
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Flax pulp was bleached by using an enzyme treatment with laccase (L stage) in the presence of HBT as mediator in order to replace chlorine-based pulp bleaching processes which produce toxic organochlorine compounds with ...
An approach to industrial application: influence of black liquor and pH on xylanase efficiency in bleaching of eucalyptus kraft pulp
(American Chemical Society (ACS), 2010-11-17)
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To obtain a more realistic appraisal of the potential efficiency of xylanases in the industrial bleaching, the influence of pH and the presence of black liquor (measured as COD) on the bleaching efficiency of two
commercial ...
New possibilities of kraft pulp biobleaching with laccase and sulfonated mediators
(2011-03)
Article.
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Use of cyclic voltammetry as an effective tool for selecting effcient enhancers for oxidative bioprocesses: importance of pH
(American Chemical Society (ACS), 2013-01-04)
Article.
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Article.
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Seven natural phenols and two synthetic compounds were evaluated by means of cyclic voltammetry as enhancers for the oxidation of the lignin model compound veratryl alcohol (VAl) and a sulfonated lignin (SL). Their ...