Photocatalytic degradation of methylene blue and safranin dyes using chitosan zinc oxide nano-beads with Musa × paradisiaca L. pseudo stem
| Autor: | Vellaisamy Saravanan, Senthil Kumar Sadasivam, Murugesan Gnanadesigan, Vaiyapuri Mithra, Shanmuga Sundaram Roshitha |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Environmental Engineering
biology Renewable Energy Sustainability and the Environment Chemistry 020209 energy technology industry and agriculture Substrate (chemistry) chemistry.chemical_element Nanoparticle Bioengineering 02 engineering and technology Zinc 010501 environmental sciences Musa × paradisiaca biology.organism_classification 01 natural sciences Chitosan chemistry.chemical_compound Safranin 0202 electrical engineering electronic engineering information engineering Fourier transform infrared spectroscopy Waste Management and Disposal Methylene blue 0105 earth and related environmental sciences Nuclear chemistry |
| Zdroj: | Bioresource Technology Reports. 5:339-342 |
| ISSN: | 2589-014X |
| DOI: | 10.1016/j.biteb.2018.08.004 |
| Popis: | The present study was aimed to assess the dye degrading property of the zinc oxide nanoparticles from pseudo stem extract of Musa × paradisiacal L. The zinc oxide nanoparticle was synthesized using the composition of the pseudo stem extract, zinc chloride and NaOH. The zinc oxide nano-beads were prepared using the chitosan substrate. The efficiency of the photocatalytic degradation was identified as 96.15 and 95.65% (at 10 h) with free zinc nanoparticles, and 97.47 and 96.35% (at 1.0 h) for chitosan immobilized zinc oxide nano-beads for the methylene blue and safranin (10.0 ppm) dyes. The characterization such as XRD, FTIR, SEM, TEM, SAED and EDS confirm the nanoparticle in nanoscales range. The present findings exemplifies that, the zinc oxide nano-beads (in chitosan matrix) synthesized with the pseudo stem extract of Musa paradisiaca have shown greater methylene blue and safranin degradation efficiency rather than the un-immobilized nanoparticles. |
| Databáze: | OpenAIRE |
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