Assertion: hydrogenating acetylene | /r/HasProperty | c 2 h
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text: The disclosure relates to methods for selectively hydrogenating acetylene (C 2 H 2 ) by contacting an acetylene-containing process gas with a catalyst composition comprising a porous support, palladium, and one or more ionic liquids, and optionally promoters such as silver, gold, zinc, tin, lead, gallium, cadmium, copper, bismuth, sodium, cesium, or potassium.