An Environmentally Friendly Method for Removing Hg(II), Pb(II), Cd(II) and Sn(II) Heavy Metals from Wastewater Using Novel Metal–Carbon-Based Composites

Rapid economic and industrial development and population growth have made water contamination a serious environmental problem and a major threat to public health worldwide. Heavy metals are extensively used in numerous industrial applications and are some of the most important environmental contamin...

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Bibliographic Details
Published in:Crystals (Basel) 2021-08, Vol.11 (8), p.882
Main Authors: Adam, Abdel Majid, Saad, Hosam A., Atta, Ahmed A., Alsawat, Mohammed, Hegab, Mohamed S., Altalhi, Tariq A., Refat, Moamen S.
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Aqueous solutions
Cadmium
Carbon
Carbon nanotubes
Chloride
Contaminants
environmental remediation
Fourier transforms
Freshwater resources
Fullerenes
Heavy metals
Industrial applications
Industrial development
Infrared analysis
Infrared spectrophotometers
Iron
Lead
Membrane separation
Mercury
Mercury (metal)
Mercury compounds
metal oxide composite
nanomaterials and applications
Nitrates
Population growth
Public health
Reagents
Salt
Solvents
Spectrophotometry
Synthesis
Tin
Wastewater treatment
Water pollution
Water resources
Zinc
Zinc ferrites
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Summary:Rapid economic and industrial development and population growth have made water contamination a serious environmental problem and a major threat to public health worldwide. Heavy metals are extensively used in numerous industrial applications and are some of the most important environmental contaminants. The impacts of heavy metals on the health of humans, animals, and plants make their removal from wastewater and water resources an important and vital issue. In this study, a simple and environmentally friendly method is proposed for the synthesis of a ZnFe2O4-carbon nanotube (CNT) adsorbent material. SEM/EDX analysis and Fourier-transform infrared spectrophotometry (FTIR) are used to characterize the synthesized adsorbent material. We test the synthesized adsorbent material’s ability to recover four heavy metals (Hg(II), Pb(II), Cd(II) and Sn(II) ions) from an aqueous solution. We show that crushing fullerene CNTs with the ZnFe2O4 composite improves the adsorption properties of free fullerene CNTs towards the investigated heavy metal ions by 25%.
ISSN:2073-4352
2073-4352
DOI:10.3390/cryst11080882