作者: Christian Gueckel
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摘要: The invention pertains to a catalyst useful for the epoxidation of an olefin. More particularly, improved ethylene oxide. has selectivity in process. comprises solid support having surface, which first mode pores have diameter ranging from about 0.01 μm 5 and differential pore volume peak range μm. surface then second pores, different 1 20 On bimodal is catalytically effective amount silver or silver-containing compound, promoting rhenium rhenium-containing one more alkali metals alkali-metal-containing compounds.