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- W2501471462 endingPage "666" @default.
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- W2501471462 abstract "The chromium pollution of water is an important environmental and health issue. Cr(VI) removal by means of metallic iron is an attractive method. Specifically, nanoscopic zero valent iron (NZVI) shows great reactivity, however, its applicability needs to be further investigated. In the present paper, NZVI was supported on MgO grains to facilitate the treatments for remediation of chromium-contaminated waters. The performances and mechanisms of the developed composite, in the removal of hexavalent chromium, were investigated by means of batch and continuous tests. Kinetic studies, under different operating conditions, showed that reduction of Cr(VI) could be expressed by a pseudo second-order reaction kinetic. The reaction rate increased with the square of Fe(0) amount, while it was inversely proportional to the initial chromium concentration. The process performance was satisfactory also under uncontrolled pH, and a limited influence of temperature was observed. The reactive material was efficiently reusable for many cycles without any regeneration treatment. The performances in continuous tests were close to 97% for about 80 pore volume of reactive material." @default.
- W2501471462 created "2016-08-23" @default.
- W2501471462 creator A5027498626 @default.
- W2501471462 date "2016-08-06" @default.
- W2501471462 modified "2023-10-16" @default.
- W2501471462 title "Removal of Cr(VI) from Water Using a New Reactive Material: Magnesium Oxide Supported Nanoscale Zero-Valent Iron" @default.
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- W2501471462 doi "https://doi.org/10.3390/ma9080666" @default.
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- W2501471462 hasPublicationYear "2016" @default.
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