Heterogeneous Photocatalytic Reduction of Chromium(VI) over TiO<sub>2</sub> Particles in the Presence of Oxalate:  Involvement of Cr(V) Species

J. Testa, Juan; A. Grela, María; I. Litter, Marta

doi:10.1021/es0346532

Public

Heterogeneous Photocatalytic Reduction of Chromium(VI) over TiO2 Particles in the Presence of Oxalate: Involvement of Cr(V) Species

Published in Environmental Science & Technology • Jan 28, 2004

Authors:

Juan J. Testa

María A. Grela

Marta I. Litter

Abstract

Cr(VI) photocatalytic reduction experiments over TiO2 particles under near UV irradiation in the presence of excess oxalate were performed at acid pH (2 and 3) and under air and N2 bubbling. Initial photonic efficiencies for Cr(VI) reduction are nearly the same under aerobic and anaerobic conditions...

Subject

Oxalate

Photocatalysis

Electron paramagnetic resonance

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