Effect of the Conditions of the Preparation of the Impregnating Solution and Heat Treatment on the Activity of Hydrotreating Catalysts

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2024年5月11日

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I. A. Arkhipova,
E. G. Petrova,
A. V. Leontyev,
V. V. Fadeev,
S. V. Zaglyadova,
A. Kh. Kuptsov

摘要

A study was carried out on the quality of the cobalt carbonate raw material and heat treatment conditions on the activity of Co-Mo and Ni-Mo hydrotreating catalysts for a mixed diesel fraction. The relevant properties of the impregnation solution are the purity of the cobalt carbonate starting material and the synthesis temperature. A Raman spectroscopic method was proposed for monitoring the cobalt carbonate quality. Heat treatment of the catalyst was found to affect its activity. The optimal ultimate calcination temperatures for the Co-Mo and Ni-Mo catalysts were found to be very different.