𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Biological bleaching of kraft pulps by white-rot fungi and their enzymes

✍ Scribed by Ian D. Reid; Michael G. Paice

Book ID
109332544
Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
469 KB
Volume
13
Category
Article
ISSN
1574-6976

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Oxalic acid extraction as a posttreatmen
Oxalic acid extraction as a posttreatment to increase the brightness of kraft pulps bleached by white-rot fungi
✍ M. T. Moreira; G. Feijoo; J. Lema; J. A. Field; R. Sierra-Alvarez πŸ“‚ Article πŸ“… 1996 πŸ› Springer-Verlag 🌐 English βš– 379 KB

Pulp brightness gains obtained by fungal biobleaching are often decreased by dark MnOZ deposits which are formed by the biologically-mediated oxidation of Mn(I1). Oxalic acid extraction of OZdelignified kraft pulps bleached by several white-rot fungi was found to increase pulp brightness by up to 9.