Abstract
A cost-efficient, non-toxic and sustainable route for synthesis of silver nanoparticles (AgNPs) from Antidesma acidum, a tropical plant of North-East India; was adapted with its application to textile organic dye degradation. The formation of AgNPs were confirmed by UV–visible spectroscopy, fourier transform infra-red spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM) and energy-dispersive spectroscopy (EDS). It was observed that, the bioreduced AgNPs were spherical in shape with particle size 10 nm. Now-a-days, the environmental friendly bio-synthesized nanoparticles and its application in the field of water pollution control is one of the most amazing field of research. Textile dyes like congo red, methylene blue, methyl orange etc., are highly carcinogenic and causes water pollution when released to waste water. Herein, high and fast catalytic degradation of textile dyes; methylene blue (MB) and congo red (CR) were observed with biosynthesized AgNPs. The degradation rate of MB (81%) < the degradation rate of CR (90%) at 18 min and 20 min respectively. Intermediates of textile dye degradation were also detected in the present work with GC–MS analytical method.
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