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2. Photocatalysts and catalytic supports
2.1 Industrial photocatalysts and future improvements
The photocatalysts used (mainly TiO 2 , ZnO, Fe 2 O 3 , CdS, ZnS) are semiconductors with a medium-energy electronic band gap (1 to 3 eV) between the valence and conduction bands. Several semiconducting oxides or sulfides enable photocatalytic acceleration of a wide range of reactions of environmental interest. One of the most important factors in catalyst selection is the position of the band gap on the redox potential scale; this is shown in table 5 for the main catalysts used.
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Photocatalysts and catalytic supports
Effect of key parameters on the photocatalytic process
Bibliography
Bibliography
Standards and norms
- Self-contained air cleaners for commercial and residential applications – Test methods – Intrinsic performance, AFNOR - NF B44-200 - 2016
- Photocatalysis – Measuring the effectiveness of photocatalytic devices for active-mode removal of VOCs and odors from indoor air – Part 1: Confined enclosure test method, AFNOR - NF EN 16846-1 - 2017
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France dehumidification Photo-Lux process: http://deshumidifications.com/index.php/photocatalyse/
UVRER-ANEMO: https://www.uvrer-anemo.com/traitement-de-lair-par-photocatalyse
CondorChem: https://condorchem.com/en/blog/photocatalysis-for-vocs-treatment/...
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