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Review on pulp and paper activated sludge pretreatment, inhibitory effects and detoxification strategies for biovalorization.

Kaur, Rajwinder; Tyagi, Rajeshwar Dayal et Zhang, Xiaolei (2020). Review on pulp and paper activated sludge pretreatment, inhibitory effects and detoxification strategies for biovalorization. Environmental Research , vol. 182 . p. 109094. DOI: 10.1016/j.envres.2019.109094.

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Résumé

Biovalorization of pulp and paper activated sludge to value-added products could be an effective alternative to traditional sludge management methods, which tend to pose serious environmental issues. Since pulp and paper activated sludge consists of microbial biomass, cellulose, hemicellulose and lignin and thus, could be subjected to different hydrolysis methods to solubilize sludge solids and release simple sugars to form value-added products by the microbial fermentation process. Hence, different sludge hydrolysis methods have been summarized in this review paper. However, hydrolysis of lignocellulosic materials generates variety of toxic compounds during hydrolysis and causes detrimental effects. Therefore, different toxic compounds and their impact on microorganisms, cellulolytic enzymes and fermentation process have been discussed in detail and recent strategies to counteract the problems of inhibitors have also been briefly explained.

Type de document: Article
Mots-clés libres: wastewater; activated sludge; hydrolysis; biovalorization; inhibitors; detoxification
Centre: Centre Eau Terre Environnement
Date de dépôt: 08 mars 2021 20:06
Dernière modification: 08 mars 2021 20:06
URI: https://espace.inrs.ca/id/eprint/11409

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