Synthesis of multifunctional activated carbon nanocomposite comprising biocompatible flake nano hydroxyapatite and natural turmeric extract for the removal of bacteria and lead ions from aqueous solution

Chemistry Central Journal
H D A Chathumal JayaweeraRohini M de Silva

Abstract

Clean water, which is free from pathogens and toxic chemicals, is vital to human health. The blue planet is encountering remarkable challenges in meeting the ever-increasing demands of clean water. The intention of this research study was to develop a water filter material that is capable of removing bacterial contaminants and heavy metals from fresh water using cost effective and easily fabricated biocompatible filter material. For this purpose, granular activated carbon (GAC) was coated with both hydroxyapatite (HAP) nanoflakes and turmeric extract (TE) (HAP/TE/GAC) which had been extracted from natural turmeric powder. In addition, GAC was coated only with HAP nanoflakes to synthesize HAP coated GAC (HAP/GAC) composite. Prepared HAP/GAC and HAP/TE/GAC were characterized using Fourier-transform infrared spectroscopy, X-ray diffractometry, scanning electron microscopy and UV-visible spectrophotometry. Antibacterial effect of the prepared nanocomposites, HAP/GAC and HAP/TE/GAC was compared with neat GAC using Gram-negative bacteria Escherichia coli. Results showed that antibacterial studies of the synthesized nanocomposites exhibit effective antibacterial activity against E. coli compared with neat GAC alone. However, the compo...Continue Reading

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Citations

Mar 16, 2019·Nanomaterials·Jinyue YangXin Huang
Aug 7, 2019·BMC Chemistry·Feleke Terefe FantaMinaleshewa Atlabachew
Apr 6, 2021·ACS Omega·Sandhuli S HettiarachchiR M Gamini Rajapakse
Aug 25, 2021·The Science of the Total Environment·Sanny VermaMallikarjuna N Nadagouda

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Methods Mentioned

BETA
atomic absorption spectroscopy
scanning
X-ray
scanning electron microscopy

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