Journal
DESALINATION AND WATER TREATMENT
Volume 216, Issue -, Pages 436-444Publisher
DESALINATION PUBL
DOI: 10.5004/dwt.2021.26896
Keywords
Lycopene TiO2 nanoparticles complex; Polyacrylonitrile; Nanocomposite membrane; Dye degradation; Electrospinning
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Funding
- University Grants Commission - National Fellowship for OBC Candidate (UGC-NOBC), India [F./2014-15/NFO-201415-OBC-TAM-3158]
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The study showed that the nanocomposite membrane incorporating lycopene TiO2 nanoparticles exhibited superior surface wettability, pure water flux, antifouling properties, and dye degradation efficiency compared to other membranes. Among these membranes, the one with 30% lycopene TiO2 nanoparticles complex and electrospun for 5 hours demonstrated the highest membrane surface wettability, optimal pure water flux, higher recovery ratio, and percentage of congo red dye degradation. Therefore, it can effectively serve as a photocatalytic membrane for degrading azo dyes under visible light irradiation.
In this study, lycopene TiO2 nanoparticles complex incorporated electrospun polyacrylonitrile (PAN) nanocomposite membrane was prepared for azo dye degradation by electrospinning process. The material was characterized by using scanning electron microscopy and Fourier transform infrared spectroscopy. Membrane surface wettability, membrane performance and Congo red dye degradation were studied and the degraded products were identified by gas chromatography mass spectroscopy. From the results, it was found that the 30% of lycopene TiO2 nanoparticles complex incorporated electrospun PAN nanocomposite membranes showed better surface wettability, pure water flux and antifouling property than the other membranes. These membranes also showed higher dye degradation efficiency than the other membranes due to better distribution and lesser agglomeration of lycopene TiO2 nanoparticles complex. Among the nanocomposite membranes with 30% of lycopene TiO2 nanoparticles complex, the membrane which was electrospun for 5 h showed higher membrane surface wettability, optimum pure water flux, higher recovery ratio and higher percentage of congo red dye degradation. Hence this membrane can be effectively used as a photocatalytic membrane to degrade azo dyes under visible light irradiation.
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