1988•Zeitschrift für Naturforschung AOpen access

Photoinduced CO-Reduction in Aqueous Suspension of n-TiO2

Hyoung-Ryun Park, Guozheng Li, Nikola Getoff

Abstract

TiO2-suspension as well as ΤiΟ2-colloide in aqueous solutions are acting as catalyst for transforming CO into formaldehyde under illumination with uv-light. The yield of formaldehyde was studied as a function of pH (range: 1-7) and of the n-TiO2 content in the suspension at pH 2. Probable reaction mechanisms are presented.

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Key concepts: Aqueous suspension, Formaldehyde, Suspension (topology), Aqueous solution, Yield (engineering), Catalysis, Chemical engineering, Chemistry