Abstract
A series of monolithic catalysts were prepared by growing noble metals of Pt and Pd on polyurethane foam (PUF) monoliths via electroless plating deposition method. The as-prepared Pt-Pd/PUF monolithic catalysts can preserve the same size, shape and macroporous network of the pristine PUF monoliths. And the noble metal active components of Pt and Pd nanoparticles were uniformly dispersed on the surface of PUF monoliths. Therefore, compared to the low formaldehyde conversion of 14% over pristine PUF monolith, the obtained Pt-Pd/PUF monolithic catalysts exhibited excellent formaldehyde purification activity at room temperature: the formaldehyde conversion can reach as high as 66%.
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