期刊
RSC ADVANCES
卷 6, 期 59, 页码 54357-54370出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra07836b
关键词
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资金
- Council of Scientific and Industrial Research (CSIR), Government of India
- University Grants Commission (UGC), Government of India
- KSCSTE
In this study an amine functionalized, mesoporous monohydroxy aluminium oxide (AlOOH/PEI) hybrid is prepared and further catalytically engineered with nano-CeO2 to make a multifunctional photoactive and antimicrobial catalytic-sorbent (CeO2@AlOOH/PEI). Structural and physico-chemical properties of this catalytic-sorbent were characterized using powder XRD, FTIR, SEM, TEM, N-2 sorption analysis, TGA and zeta-potential measurements. This hybrid catalytic-sorbent is explored for the treatment of industrial waste water contaminated with lignin and organic dye. A comparative study was also done with other known conventional sorbents and the developed CeO2@AlOOH/PEI catalytic-sorbent shows a better adsorption capacity towards lignin. Photodegradation of lignin and methyl orange dye using the CeO2@AlOOH/PEI hybrid nanocomposite was also investigated under sunlight and UV irradiation. Both the pollutants show a better photodegradation under UV. Above all, the antibacterial properties of the CeO2@AlOOH/PEI sorbent were also studied against both Gram-positive (S. aureus) and Gram-negative (E. coli, K. pneumoniae) bacteria and showed efficient antimicrobial activity against these tested bacteria. An eco-friendly, self-regenerative, sustainable CeO2@AlOOH/PEI catalytic sorbent is designed and validated for the recovery of water resources from lignin and dye contaminated industrial effluent.
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