Abstract
Nowadays the requirement for clean water in human population is growing day by day. The
different factories and industries like pharmaceutical, textile, food processing, and
chemical industries are the major cause of water contamination by adding an organic
dyes. The aim of present study is to synthesize the green nanoparticles for the purification
waste water. The TiO2 nanoparticles were prepared using crude extract of local plant Acacia
nilotica. The TiO2 nanoparticles initially were confirmed by color change and later by UVspectroscopy. The size and shape of TiO2 nanoparticles were assessed by using field emission
scanning electron microscope (FESEM). The Energy Dispersive X-ray spectrometric analysis
(EDs) was performed to measure the elements concentrations. Dye removing potential of prepared
TiO2 nanoparticles were performed using methylene blue induced dye mixture. The result
showed that the synthesized TiO2 nanoparticles were round and spherical in shape ranging from
50-120nm with average of 60 nm. EDs confirmed the TiO2 presence in nanoparticles. The
synthesized TiO2 nanoparticles showed 75% dye removing capacity after 2 hours of exposure. In
conclusion, TiO2 nanoparticles were highly effective for removing dye from water; therefore these
TiO2 nanoparticles can be used as best source for water treatment for removing dyes from waste
water.
Mehar Ali Kazi, Zahid Ali Memon, Farman Ali Shah, Zeenat M. Ali. (2019) Exploration of Dye Degradation Potential of Eco-friendly Synthesized TiO2 Nanoparticles Using Extract of Acacia nilotica, Pakistan Journal of Analytical & Environmental Chemistry, Volume 20, Issue 2.
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