Euteco Impianti S.p.a.

Other

Natale Bertolini

Natale Ferlazzo

Marcello Ghirga

Claudio Divo

Giovanni Maiorano

Petri Maris

The catalyst comprises one or more molybdates of trivalent metals chosen from Fe, Al, Ce and Cr and/or molybdates of bivalent metals chosen from alpha manganese molybdate, beta cobalt molybdate, beta nickel molybdate and the molybdates of Zn, Mg and Ca, and one or more promoter elements chosen from Se, Te, As, Sb, V, Nb, Sn, Pb and Tl homogeneously distributed within the crystalline structure of said molybdates with distortion thereof without creating new crystalline phases.

Catalyst for the conversion of unsaturated hydrocarbons into diolefins

Catalyst active in the oxidation of acrolein into acrylic acid, which comprises a silica or alumina support and from 15 to 80% by weight, with respect to the catalyst, of a catalytically active part having the following chemical composition

Supported catalyst for the oxidation of acrolein into acrylic acid

This invention describes a process for producing branched C.sub.7 -C.sub.9 -mono-olefins by polymerizing a mixture of propylene and butenes over phosphoric acid catalysts at temperatures and pressures which ensure a homogeneous liquid phase and recycling the fraction containing over C.sub.9 olefins.

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Milan, Italy

Natale Bertolini