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• W3207711381 abstract "Abstract Remazol brilliant blue (RBB) is an anthraquinone anionic dye that has several commercial uses, especially in the textile industries and is well-known for its detrimental impacts on marine life and the surrounding ecosystem. Mercury (Hg 2+ ) is also one of the most severe hazardous environmental contaminants due to its bioaccumulation through the food chain and high toxicity to the human embryo and fetus. The biosorption potential of Gelidium corneum biomass for bioremoval of Hg 2+ and RBB dye simultaneously from binary mixture was assessed. The effects of initial pH, contact time, Hg 2+ , RBB, and biomass concentrations on the biosorption process were investigated in 50 batch experiments using a Face-centered central composite design. The maximum removal percentage of Hg 2+ (98.25%) was achieved in the run no. 14, under optimum experimental conditions: 200 mg/L Hg 2+ , 75 mg/L RBB, pH 5. At 30 °C, 4 g/L algal biomass was used, with a contact time of 180 min. Whereas, the maximum removal percentage of RBB (89.18%) was obtained in the run no. 49 using 200 mg/L Hg 2+ , 100 mg/L RBB, pH 5, 4 g/L algal biomass and 180 min of contact time. FTIR analysis of Gelidium corneum biomass surface demonstrated the presence of many functional groups that are important binding sites responsible for Hg 2+ and RBB biosorption. SEM analysis showed apparent morphological alterations including surface shrinkage and the appearance of new shiny adsorbate ion particles on the Gelidium corneum biomass surface after the biosorption process. The EDX study reveals an additional optical absorption peak for Hg 2+ , confirming the role of Gelidium corneum biomass in Hg 2+ biosorption. In conclusion, Gelidium corneum biomass has been shown to be an eco-friendly, sustainable, promising, cost-effective and biodegradable biosorbent to simultaneously biosorb Hg 2+ and RBB dye from aquatic ecosystems." @default.
• W3207711381 created "2021-10-25" @default.
• W3207711381 creator A5003462777 @default.
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• W3207711381 date "2021-10-22" @default.
• W3207711381 modified "2023-09-26" @default.
• W3207711381 title "Biosorption of cationic Hg2+ and Remazol brilliant blue anionic dye from binary solution using Gelidium corneum biomass" @default.
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• W3207711381 doi "https://doi.org/10.1038/s41598-021-00158-0" @default.
• W3207711381 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8536736" @default.
• W3207711381 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34686690" @default.
• W3207711381 hasPublicationYear "2021" @default.
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