In the combination of hydrogen and oxygen, the catalytic performance of platinum is prominent. Heat can be accumulated in large-amount hydrogen-oxygen combinations, which will destroy the structure of carriers and the distribution of platinum, leading to accidents like explosion. So the hydrophobic catalyst which can catalyze hydrogen-oxygen combination smoothly is meaningful in practical applications. In this article, hydrophobic catalyst, Pt-SDB (polystyrene-divinyl benzene), is prepared by impregnation and an orthogonal experiment is performed. Tested by ambienttemperature hydrogen-oxygen combination, through the degree and stability of the combination, the effect order of precursor-concentration, standing-time, drying-temperature, drying-time, reduction-temperature, and reduction-time to so-prepared catalyst is studied. Some samples are selected for microanalysis, which, combined with the results of orthogonal experiment, indicates that the ability to smooth the catalytic combination depends on the porous structure of the carrier. Taking every aspect into account, one series of preparation conditions is confirmed for further research.
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