Bottom-up approach synthesis of core-shell nanoscale zerovalent iron (CS-nZVI): Physicochemical and spectroscopic characterization with Cu(II) ions adsorption application

MethodsX
Adewumi Oluwasogo DadaAdeniyi Sunday Ogunlaja

Abstract

Single pot system in chemical reduction via bottom-up approach was used for the synthesis of core shell nanoscale zerovalent iron (CS-nZVI). CS-nZVI was characterized by a combination of physicochemical and spectroscopic techniques. Data obtained showed BET surface area 20.8643 m2/g, t-Plot micropore volume 0.001895 cm3/g, BJH volume pores 0.115083 cm3/g, average pore width 186.9268 Å, average pore diameter 240.753 Å, PZC 5.24, and pH 6.80. Surface plasmon Resonance from UV-Vis spectrophotometer was observed at 340 nm. Surface morphology from SEM and TEM revealed a spherical cluster and chain-like nanostructure of size range 15.425 nm -97.566 nm. Energy Dispersive XRF revealed an elemental abundance of 96.05% core shell indicating the dominance of nZVI. EDX showed an intense peak of nZVI at 6.2 keV. FTIR data revealed the surface functional groups of Fe-O with characteristics peaks at 686.68 cm-1, 569.02 cm-1 and 434 cm-1. In a batch technique, effective adsorption of endocrine disruptive Cu(II) ions was operational parameters dependent. Isotherm and kinetics studies were validated by statistical models. The study revealed unique characteristics of CS-nZVI and its efficacy in waste water treatment.

References

Jan 3, 2006·Journal of Hazardous Materials·Vimal Chandra SrivastavaIndra Mani Mishra
Sep 15, 2010·Journal of Hazardous Materials·Yong-Mei HaoZhong-Bo Hu
Dec 7, 2010·Journal of Hazardous Materials·Hardiljeet K BoparaiDenis M O'Carroll
Aug 26, 2011·Journal of Colloid and Interface Science·Zheng-xian ChenRavendra Naidu
Jan 29, 2020·Heliyon·Olugbenga Solomon BelloAdewumi Oluwasogo Dada
Jan 19, 2021·MethodsX·Abbas Esmaeili, Hadi Eslami

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Citations

Jan 3, 2021·Journal of Hazardous Materials·Sikhumbuzo Charles KuneneNcobile Bagezile Mdlovu

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Methods Mentioned

BETA
Scanning
X-ray
surface plasmon resonance
equilibrium adsorption

Software Mentioned

CS
nZVI

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