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Article – Journal of Nanoscience and Technology

Journal of Nanoscience and Technology, Volume 2,Issue 3,2016 Pages 134-137

Phosphate Removal from Aqueous Solutions by A Nano-Structured Ag–Chitosan Film
V. Durga Praveena, K. Vijaya Kumar* , K. Venkataratnam

The present study investigates the effective removal of phosphate in sewage wastewater using silver nano-cs films (Ag NP’s-CS). The ecofriendly prepared silver nanoparticles (Ag NP’s) embedded in chitosan of around 8–10 nm was synthesized using non-toxic-green method. The interaction of Ag NP’s-CS film and phosphate was studied using UV-Vis technique. Ag NP’s-CS film exhibit more than 95% phosphate reduction in 5 min and close to 100% in 10 min. High-resolution scanning electron microscopy, X-ray diffraction, UV-Vis and Fourier transform spectrometry were used to characterize the AgNP’s-CS film. The film has been shown to be effective for the detection and the removal of phosphates from natural wastes and wastewaters within the response time of 2-3 seconds.

Keywords: Silver Nano Particles; Sewage Wastewater; Phosphate Ions;