The hydrogenation reaction catalyst, using the production method, and its catalyst, being the hydrogenation reaction catalyst which is shown with the methodological null

摘要

Hydrogenation catalyst represented by the following Chemical Formula 1, manufacturing method thereof, and gamma using the catalyst present invention - relates to a process for the production of butyrolactone. Gamma maleic anhydride using the catalysts of the present invention produced is stabilized by silica precursor particles of manganese oxide copper oxide, zinc oxide and - according to a method of manufacturing a butyrolactone, a low ratio of hydrogen to the reaction be prepared butyrolactone - in a molar ratio of operating conditions shows high selectivity, high productivity and high yield, gamma maleic anhydride stably for a long time even without frequent reactivation operation of the catalyst can: Formula 1 CuO (a) ZnO (b) MnO ₂ (c) SiO ₂ (d) In (wherein, d a, b, and c are shown relative to the weight, a is 20~90, b is 0.01~10, c is 0.01~5, d is 5 to 50)