CATALYST FOR GLYCERIN DEHYDRATION, PREPARATION METHOD THEREOF, AND PREPARATION METHOD OF ACROLEIN

摘要

The present invention relates to a catalyst for glycerin dehydration, a preparation method thereof, and a preparation method of acrolein, and more particularly, to a catalyst for glycerin dehydration which minimizes by-product formation during glycerin dehydration to improve acrolein selectivity and maintains high catalytic activity during reaction.

主权项

1. A catalyst for glycerin dehydration, comprising a composite metal oxide represented by the following Chemical Formula 1:
(Ma)p(Mb)qWArOx  [Chemical Formula 1] wherein A is phosphorus or sulfur, Ma and Mb are the same as or different from each other and are each independently Zr, Ti, Ce, Nb, Cr, Mo, Mn, Zn, B, or Cu, and p and q are a real number of 0 to 3, respectively, when either one of Ma and Mb is B, the other is Zr, Ti, Ce, Nb, Cr, Mo, Mn, Zn, or Cu, and p and q are real numbers of more than 0 and 3 or less, r is a real number of 1 to 3, and x is a real number of 1 to 20.