Green Synthesis of Lead Oxide Nanoparticles, Characterization and Adsorption Study for Removal of Malachite Green Dye
Issue: 2023 - Volume 13 [Issue 2]
Nuha Y. Elamin *
Chemistry Department, College of Science, IMSIU (Imam Mohammad Ibn Saud Islamic University), P.O. Box 5701, Riyadh 11432, Kingdom of Saudi Arabia and Department of Chemistry, Sudan University of Science and Technology, P.O. Box 407, Khartoum 11111, Sudan.
Department of Chemistry, Sudan University of Science and Technology, P.O. Box 407, Khartoum 11111, Sudan and Chemistry Department, College of Science, University of Hafr Al Batin, Khafji 3873-39255, Kingdom of Saudi Arabia.
Central Research Laboratory, Female Students Campus, King Saud University, Kingdom of Saudi Arabia.
*Author to whom correspondence should be addressed.
In this study lead oxide nanoparticles were synthesized by using ecofriendly and non-toxic Morus rubra extract. The obtained lead oxide nanoparticles were characterized by XRD, SEM, EDX, BET and FTIR techniques. Powder X-ray diffraction analysis revealed that synthesized PbO nanoparticles had crystallite structure of high purity. SEM survey shows that the obtained nanoparticles having in general uniform particle distribution and the particle sizes vary within the range of 22.4 to 29.2nm. As established by EDX to confirm the presence of lead and oxygen, the weight percentage of the latter was (71.5 % Pb and 28.5% O), respectively. FT-IR spectra exhibit a sharp peak at 439.38 and 595.46 cm−1 attributed to PbO vibration, confirming the formation of PbO nanoparticles. The effectiveness of PbO nanostructures for removing indigo carmine (MG) dye from an aqueous solution is demonstrated in this article. , the MG dye uptake and adsorption processes were investigated using a PbO sorbent. The maximum adsorption capacity and contact time were optimized which corresponding to 41.3 mg. g-1 and 60min respectively.
Keywords: Morus rubra extract, PbO nanoparticles, MG dye removal, adsorption, contact time
How to Cite
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