STUDY OF OXIDE PREDECESSORS OF ACTIVE STRUCTURES IN Al-Ni-Mo HYDROGENATION CATALYSTS BY EXTRACTIVE SEPARATION OF COMPONENTS. III. CATALYTIC ACTIVITY OF SULFIDATION PRODUCTS OF STRUCTURES STRONGLY AND WEAKLY BOUND TO THE CARRIER IN HYDROGENATION, HYDRODESULFURIZATION, AND HYDRODENTITROGENATION REACTIONS.

M. V. Landau, L. N. Alekseenko, B. K. Nefedov, G. D. Chukin, D. A. Agievskii, V. I. Kvashonkin, V. I. Mikhailov, S. A. Surin, L. I. Pavlova

Research output: Contribution to journalArticlepeer-review

Abstract

The catalytic activities of sulfidized Al-Ni-Mo catalysts, synthesized by different methods, were compared in the hydrogenation reaction of o-xylene, hydrode-sulfurization of thiophene, and hydrodenitrogenation of piperidine. It was found that irrespective of the method of the preparation of the catalysts, the hydrogenation of the aromatic ring preferentially proceeds on the sulfidation products of Ni and Mo compounds, weakly bound to the carrier (nickel isopolymolybdates and aluminomolybdates), removable by aqueous extraction, while the hydrogenolysis reactions of thiophene and piperidine are preferentially carried on the sulfidation products of compounds which are strongly bound to the carrier (of the surface aluminum molybdate and nickel aluminate type).

Original languageEnglish
Pages (from-to)379-385
Number of pages7
JournalKinetics and Catalysis
Volume27
Issue number2 pt 2
StatePublished - 1 Mar 1986
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry
  • Modeling and Simulation
  • Computer Science Applications

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