Biodegradation of Congo red dye using polyurethane foam-based biocarrier combined with activated carbon and sodium alginate: Batch and continuous study. (May 2022)

• Record Type: Journal Article
• Authors: Lal Maurya, Kanhaiya; Swain, Ganesh; Kumar Sonwani, Ravi; Verma, Ankur; Sharan Singh, Ram
• Is Part Of: Bioresource technology. Volume 351(2022)
• Publication Date: 2022-05
• Subjects: Congo red dye -- Polyurethane foam, Sodium alginate -- Packed bed bioreactor -- Lysinibacillus fusiformis KLM1; Biomass -- Periodicals; Biomass energy -- Periodicals; Bioremediation -- Periodicals; Agricultural wastes -- Periodicals; Factory and trade waste -- Periodicals; Organic wastes -- Periodicals; Bioénergie -- Périodiques; Déchets agricoles -- Périodiques; Déchets industriels -- Périodiques; Déchets organiques -- Périodiques; Déchets (Combustible) -- Périodiques; 662.88
• DOI: 10.1016/j.biortech.2022.126999
• Languages: English
• ISSNs: 0960-8524

Abstract

Graphical abstract: Highlights: Immobilized PUF combined with AC and SA showed higher removal efficiency. The significant effect of glucose concentration on biodegradation was observed. Maximum RE of 90.73 % and EC of 10.89 mg/L.d were found in PBBR. The growth kinetics was accurately predicted by Andrew-Haldane model. Abstract: Dyes are an important class of organic pollutants and are well known for their adverse effects on aquatic life and human beings. In this work, an effort has been made to treat the dye-containing wastewater using modified biocarriers in packed bed bioreactors (PBBRs). Lysinibacillus sp. immobilized polyurethane foam combined with activated carbon and sodium alginate was used for the biodegradation of Congo red dye. The optimum values of process time, glucose concentration, and dye concentration were obtained to be 4.0 days, 2.0 g/L, and 50 mg/L, respectively. The maximum dye removal efficiency (RE) of 92.63 % was obtained at the optimized conditions. The continuous PBBR offered a maximum RE and elimination capacity of 90.73% and 10.89 mg/L. d, respectively, at an inlet loading rate of 12 mg/L. d. Moreover, the growth kinetic of Lysinibacillus sp. was well predicted by the Andrew-Haldane model with a regression coefficient of 0.98.