Nano phytoremediation for textile dye degradation using abutilon indicum silver nanoparticles: photo catalytic activities

Varalakshmi B, Jannathul Firdous*, Karpagam T, ShanmugaPriya A, Suganya V, Anitha P, Gomathi S, Manikandan R, Abarna T, Abirami N, Jeyarani

Royal College of Medicine Perak, University Kuala Lumpur, Jalan Greentown, Ipoh, Perak, Malaysia

ABSTRACT

Synthetic dyes are colouring agents mainly used in textile industries which generate a huge amount of wastewater in the process of dyeing. Different dyes used in textile industry usually have a synthetic origin and complex aromatic molecular structures which make them more stable and more difficult to be biodegraded and thus polluting the environment. To overcome the deleterious effects of such dyes, it is necessary to decolorize them. In the present study, fabric azo dyes were decolourized by silver nano particle isolated from plant Abutilon indicum. Production and characterization of silver nanoparticles synthesized from Abutilon indicum was analysed by UV-visible spectroscopy and Fourier transform infra-red spectroscopy. Photo catalytic degradation using Abutilon indicum synthesized silver nanoparticles showed significant dye degrading efficiency against azo dye. At the end of 24 hours, nanoparticles of Abutilon indicum showed 17.41% of degradation, followed by increased degradation of about 72%. at the end of 7th day of incubation. Results confirmed the complex, toxic azo dyes were degraded into simple, non-toxic compounds. In conclusion, Abutilon indicum synthesized silver nanoparticles can exhibit excellent photo catalytic activity against dye molecules and can be used in water purification systems and dye effluent treatment

Keywords:

Abutilon indicum, azo dye, photo catalytic degradation, phytochemicals, silver nanoparticles