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Water 2017, 9(12), 935; https://doi.org/10.3390/w9120935

Lignin Biodegradation in Pulp-and-Paper Mill Wastewater by Selected White Rot Fungi

1
Department of Life Science and Biotechnology, University of Ferrara, Via L. Borsari, 44121 Ferrara, Italy
2
NCR-Biochemical SpA, Via dei Carpentieri, 40050 Castello d’Argile (BO), Italy
*
Author to whom correspondence should be addressed.
Received: 20 October 2017 / Revised: 27 November 2017 / Accepted: 29 November 2017 / Published: 2 December 2017
(This article belongs to the Special Issue Recent Advances in Water Management: Saving, Treatment and Reuse)
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Abstract

An investigation has been carried out to explore the lignin-degrading ability of white rot fungi, as B. adusta and P. crysosporium, grown in different media containing (i) glucose and mineral salts; (ii) a dairy residue; (iii) a dairy residue and mineral salts. Both fungi were then used as inoculum to treat synthetic and industrial pulp-and-paper mill wastewater. On synthetic wastewater, up to 97% and 74% of lignin degradation by B. adusta and P. crysosporium, respectively, have been reached. On industrial wastewater, both fungal strains were able to accomplish 100% delignification in 8–10 days, independent from pH control, with a significant reduction of total organic carbon (TOC) of the solution. Results have confirmed the great biotechnological potential of both B. adusta and P. crysosporium for complete lignin removal in industrial wastewater, and can open the way to next industrial applications on large scale. View Full-Text
Keywords: lignin; delignification; pulp-and-paper-mill c; wastewater; white rot fungi; B. adusta; P. crysosporium lignin; delignification; pulp-and-paper-mill c; wastewater; white rot fungi; B. adusta; P. crysosporium
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Costa, S.; Dedola, D.G.; Pellizzari, S.; Blo, R.; Rugiero, I.; Pedrini, P.; Tamburini, E. Lignin Biodegradation in Pulp-and-Paper Mill Wastewater by Selected White Rot Fungi. Water 2017, 9, 935.

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