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Influence of carrier (Al 2O 3 and SiO 2) calcination temperature on physicochemical and catalytic properties of supported titanium complexes

Zyskowski, Wiesław ; Skupiński, Wincenty

Journal of molecular catalysis, 1990-06, Vol.60 (2), p.221-228

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Título:
Influence of carrier (Al 2O 3 and SiO 2) calcination temperature on physicochemical and catalytic properties of supported titanium complexes
Autor: Zyskowski, Wiesław ; Skupiński, Wincenty
Assuntos: Chemistry ; Exact sciences and technology ; General and physical chemistry ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
É parte de: Journal of molecular catalysis, 1990-06, Vol.60 (2), p.221-228
Descrição: CpTiCl 3 reacts with the surface hydroxyl groups of Al 2O 3 and SiO 2 calcined at 773, 873 and 973 K to give the surface complex CpTiCl 2-O-M-xxx (M = Al, Si; xxx is the carrier surface; Cp = cyclopentadienyl). The surface complexes were reduced with BuLi (Bu = butyl) and surface Ti(III) complexes were formed. The influence of the carrier calcination temperature on the amount of supported Ti(IV) complexes, the amount of supported Ti a.r. (a.r. = after reduction), the relative content of Ti(III) complexes, and the catalytic activity of supported Ti a.r. complexes in propylene hydrogenation is established.
Editor: Lausanne: Elsevier B.V
Idioma: Inglês

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