Published July 1988 | public
Journal Article

Photocatalytic production of hydrogen peroxides and organic peroxides in aqueous suspensions of titanium dioxide, zinc oxide, and desert sand

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Abstract

The formation of H_2O_2 and organic peroxides in illuminated aqueous suspensions of ZnO, TiO_2, and desert sand in the presence of O_2 and organic electron donors has been studied. The photocatalytic rate of formation of H_2O_2 on ZnO was shown to depend on the O_2 partial pressure, on the concentration of organic electron donors, and on the concentration of H_2O_2.

Additional Information

© 1988 American Chemical Society. Received for review August 19, 1987, Accepted December 28, 1987. We gratefully acknowledge the financial support of the US. EPA (CR812356-01-0). We thank Marcia Dodge for her support of this research subject. D.W.B. thanks the Hahn-Meitner Institut (Berlin) for granting him a leave of absence.

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August 19, 2023
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October 23, 2023