Efficient Use Of Graphene Nano Platelets For Removal Of Antibiotic Drug From Aqueous Solution

Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 6

Abstract

The analytical study of the Metronidazole antibiotic drug (MNAD) was carried out through its spectrophotometric method of determination followed by its removal from aqueous solution using magnetically modified graphene nanoplatelets (MMGN). The MMGNs were prepared by mixing GNPs with freshly prepared magnetite nanoparticles and the new characteristics were further observed during the investigation. The homogenous distribution of the magnetite nanoparticles over the transparent platelet-like graphene platelets were revealed as output in the result. The results showed that the MMGNs have superior adsorption capacity compared with the pristine GNPs and the magnetite nanoparticles. The effect of different operational parameters which affect the removal process were explored such as; adsorbent amounts, contact time, initial pH, temperature, and the initial concentration of MNAD. The results showed the great affinity of the MMGNs towards the MNAD and the maximum adsorption capacity was found to be 102.56 mg g-1. The adsorption mechanism of MNAD by the MMGNs involved π-π stacking and electrostatic interaction. The adsorption was studied both kinetically and thermodynamically and mainly was found to follow pseudo-second-order kinetic model as well as it was spontaneous and exothermic in nature. The MMGNs exhibited a great adsorption ability to remove MNAD from the model aqueous solution.

Authors and Affiliations

Sarita Badhei, Jayati Chatterjee Mitra

Keywords

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  • EP ID EP397390
  • DOI -
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How To Cite

Sarita Badhei, Jayati Chatterjee Mitra (2018). Efficient Use Of Graphene Nano Platelets For Removal Of Antibiotic Drug From Aqueous Solution. International Journal of Engineering and Science Invention, 7(6), 7-12. https://europub.co.uk./articles/-A-397390