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Chitosan magnetic graphene grafted polyaniline doped with cobalt oxide for removal of Arsenic(V) from water by Mohammad Ali Gabris; Shahabaldin Rezania; Mahdi Rafieizonooz; Elnaz Khankhaje; Sandhanasamy Devanesan; Mohamad S. AlSalhi; Mamduh J. Aljaafreh; Arvin Shadravan is a Environmental Science article available to read on EtoBox.
What is Chitosan magnetic graphene grafted polyaniline doped with cobalt oxide for removal of Arsenic(V) from water about?
The present study reports the successful functionalization/magnetization of bio-polymer to produce chitosanmagnetic graphene oxide grafted polyaniline doped with cobalt oxide (ChMGOP-Co 3 O 4 ). Analytical techniques furrier transform infra-red (FT-IR), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS) were used to confirm the formation of ChMGOP-Co 3 O 4 . The effects of several experimental factors (solution pH, adsorbent dosage and coexisting ions) on the uptake of As(V) ions using ChMGOP-Co 3 O 4 were examined through batch experiments. As(V) removal process was validated by experimentally and theoretically investigating the adsorption capacity, rate, and thermal effects. Thermodynamic parameters such as free energy (ΔG • ), entropy (ΔS • ) and enthalpy (ΔH • ) were also calculated and were used to explain the mechanism of adsorption. Based on the results, the sorbent showed a high adsorption capacities (90.91 mg/g) at favorable neutral pH and superior removal efficiencies as high as 89% within 50 min. In addition, the adsorption isotherm followed the Langmuir isotherm in compare to the Freundlich, due to its higher R 2 value (0.992 < 0.941). Me
Who reads Chitosan magnetic graphene grafted polyaniline doped with cobalt oxide for removal of Arsenic(V) from water?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Mohammad Ali Gabris; Shahabaldin Rezania; Mahdi Rafieizonooz; Elnaz Khankhaje; Sandhanasamy Devanesan; Mohamad S. AlSalhi; Mamduh J. Aljaafreh; Arvin Shadravan
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Environmental Science (Physical Sciences)