Experimental study demonstrates dual-function adsorption and catalytic oxidation of volatile organic compounds by mesoporous chromium oxide, suggesting high utility in air purification.
An exceptionally high capacity for the elimination of volatile organic compounds (VOCs) is displayed by a three-dimensional mesoporous chromium oxide (see picture). Under ambient conditions the material acts as a selective sorbent for VOCs (e.g., toluene), whereas at higher temperatures it is an effective and selective deep oxidation catalyst for these compounds.
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Sinha et al. (2004) studied this question.
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