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Macroporous alumina monoliths have been prepared for the first time by filling polystyrene foam templates with alumina hydrosols which were prepared from pseudo-boehmite. Polystyrene foam templates were obtained by polymerization in highly concentrated water-in-oil (W/O) emulsions. The organic templates were subsequently removed by calcination. The effects of filling times of the alumina hydrosols,...
Macro-porous monolithic γ-Al2O3 was prepared by using macro-porous polystyrene monolith foam as the template and alumina sol as the precursor. Platinum and potassium were loaded on the support by impregnation method. TG, XRD, N2 adsorption–desorption, SEM, TEM, and TPR techniques were used for catalysts characterization, and the catalytic performance of macro-porous monolithic Pt/γ-Al2O3 and K–Pt/γ-Al...
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