Pulsed Electrochemical Deposited Nano-Iron for Water Treatment

Authors: Éva Fazakas, Mátyás-Karácsony Zsuzsanna, Richárd Bak, Lajos K. Varga

ABSTRACT
The application of nanotechnology in drinking water treatment and pollution cleanup is promising, as demonstrated by a number of field-based (pilot and full scale) and bench scale studies. In recent years, the use of zero-valent iron (ZVI) for the treatment of toxic contaminants in groundwater and wastewater has received wide attention and encouraging treatment efficiencies have been documented. In this review, nanoscale iron was prepared by pulse electrodeposition of nano iron by chemical reduction of iron chloride and iron sulfate. Our research focuses on iron nanoparticles preparation and its use for aqueous Cr(VI) reduction. The Cr(VI) reduction by the nFe0 prepared by electrochemical and blasting method at neutral pH were carried. The results show that blasting-nFe0 show lower reaction than the electrochemical-nFe0. It is because the blasting-nFe0 surface contains more Fe2O3 than the other one.

Source:

Journal: American Journal of Analytical Chemistry
DOI: 10.4236/ajac.2017.83014 (PDF)
Paper Id: 74531 (metadata)

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