Process for the manufacture of acrylic acid from acrolein by a redox reaction and use of a solid mixed oxides composition as redox system in the said reaction

摘要

The use of a solid composition of mixed oxides of formula Mo12VaSrbWcCudSieOx (I), where a = 2-14; b = 0.1-6; c = 0-12; d = 0-6; e = 0-15; and x = quantity of oxygen attached to the other elements dependent on their oxidation states, in the manufacture of acrylic acid by the oxidation of acrolein, the composition reacting with acrolein by the following redox reaction SOLIDoxidised + ACROLEIN - SOLIDreduced + ACRYLIC ACID (1).