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A recently developed, highly selective, CuSiO 2 catalyst for the hydrogenation of unsaturated hydrocarbon contaminants in C 2 and C 3 alkene streams has been employed to remove alkynes from an industrial C 4 cracker stream. At a temperature of 320°C and with approximately equal concentrations of H 2 and C 4 feed effectively all the contaminating alkynes...
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