Multi-metal oxide materials with a two-phase structure

   
   

Multimetal oxide materials containing molybdenum, vanadium, antimony, one or more of the elements W, Nb, Ta, Cr and Ce and nickel and, if required, one or more of the elements Cu, Zn, Co, Fe, Cd, Mn, Mg, Ca, Sr and Ba and having a 2-component structure are used for the gas-phase catalytic oxidative preparation of acrylic acid.

Os materiais do óxido de Multimetal que contêm o molibdênio, o vanadium, o antimónio, um ou o mais dos elementos W, o Nb, a Ta, o cr e o ce e niquelar e, se requerido, um ou o mais dos elementos cu, o zn, o Co, o Fe, o Cd, o manganês, o magnésio, o CA, o sr e o ba e tendo uma estrutura 2-component são usados para a preparação oxidative catalytic gas-phase do ácido acrílico.

 
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