銅・クロム・マンガン酸化物触媒の性能について (第12報) : パイロットプラントによる成形触媒の水素添加能について

概要

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As authors mentioned in the previous reports, the pilled copper-chromium-manganese oxide Catalyst had the superior activity and selectivity against those of the nickel catalyst for hydrogenation of nitrobenzene to aniline, crotonaldehyde to butylaldehyde and butanol in the vapor phase, and the selective hydrogenation of acetylene contained in a small amount in the mixture gas of ethylene and hydrogen and of carbon monoxide and hydrogen.<BR>An investigation was made to confirm the reproducibility of the hydrogenation of the unsaturated organic compound mentioned above by using the same catalyst on a pilot plant scale, and also to determine the very small amount of by-products coming from hydrogenation of the raw materials which could not decode in the laboratory scale.<BR>As a result, it was found that the catalyst has good reproducibility for the hydrogenation of unsaturated organic compounds, especially in the produced ethylene-hydrogen gas mixture the amount of acetylene was 1 ppm or less.