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Recent advances in the treatment of lignin in papermaking wastewater

World journal of microbiology & biotechnology, 2022-07, Vol.38 (7), p.116-116, Article 116 [Peer Reviewed Journal]

The Author(s), under exclusive licence to Springer Nature B.V. 2022 ;2022. The Author(s), under exclusive licence to Springer Nature B.V. ;The Author(s), under exclusive licence to Springer Nature B.V. 2022. ;ISSN: 0959-3993 ;EISSN: 1573-0972 ;DOI: 10.1007/s11274-022-03300-w ;PMID: 35593964

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Title:
Recent advances in the treatment of lignin in papermaking wastewater
Author: Li, Ningjian ; An, Xuejiao ; Xiao, Xiaoshuang ; An, Weijuan ; Zhang, Qinghua
Subjects: Applied Microbiology ; Biochemical oxygen demand ; Biochemistry ; Biodegradation ; Biomass energy production ; Biomedical and Life Sciences ; Biotechnology ; Black liquor ; Chemical oxygen demand ; Environmental Engineering/Biotechnology ; Life Sciences ; Lignin ; Metabolic pathways ; Microbiology ; Microorganisms ; Optimization ; Organic materials ; Oxygen ; Papermaking ; Pollutants ; Review ; Solid suspensions ; Total suspended solids ; Toxicity ; Wastewater discharges ; Wastewater pollution ; Wastewater treatment ; Water treatment
Is Part Of: World journal of microbiology & biotechnology, 2022-07, Vol.38 (7), p.116-116, Article 116
Description: More than 695.7 million m 3 of papermaking wastewater is discharged globally. It contains a mixture of complex pollutants, of which lignin is the major constituent (600–1000 mg/L) of papermaking black liquor, making it the second-largest energy-containing biomass globally and accounting for 47.4% and 59.4% of chemical oxygen demand (16,400 ± 120 mg/L) and chroma (3100 ± 22.32 mg/L) of papermaking wastewater. The complex process and dissolved pollutants are responsible for high pH, biochemical oxygen demand, chemical oxygen demand, total suspended solids, dark color, and toxicity. Papermaking wastewater has emerged as a substantial source of environmental pollution as the conventional wastewater treatment processes are high cost and seldom efficacious. This work introduces the shortcomings of the common treatment methods for papermaking wastewater and lignin, focusing on lignin biodegradation and discussing the metabolic pathways and application prospects of lignin-degrading microbial species. A comprehensive review of the existing lignin treatment methods has proposed that the reasonable amalgamation of biodegradation and various physicochemical techniques are environmentally friendly, sustainable, and economical. Lignin extraction from papermaking wastewater by technology combination is an effective approach to recover valuable organic materials and detoxify wastewater. This review focuses on recent breakthroughs and future trends in papermaking wastewater treatment and lignin removal, with special emphasis on biodegradation, recovery, and utilization of lignin, providing guidance for the mechanism exploration of lignin-degrading microorganisms and the optimization of high-value chemical production. Graphical abstract
Publisher: Dordrecht: Springer Netherlands
Language: English
Identifier: ISSN: 0959-3993
EISSN: 1573-0972
DOI: 10.1007/s11274-022-03300-w
PMID: 35593964
Source: AUTh Library subscriptions: ProQuest Central

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Recent advances in the treatment of lignin in papermaking wastewater

The Author(s), under exclusive licence to Springer Nature B.V. 2022 ;2022. The Author(s), under exclusive licence to Springer Nature B.V. ;The Author(s), under exclusive licence to Springer Nature B.V. 2022. ;ISSN: 0959-3993 ;EISSN: 1573-0972 ;DOI: 10.1007/s11274-022-03300-w ;PMID: 35593964

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