| abstract |
Disclosed is a process which comprises calcining an intimate mixture of elemental sulfur and compounds of the other elements in the following empirical atomic formula and further treating the resulting mass to obtain the new catalyst:wherein:X is a transition element or a mixture thereof selected from the group V, Mo, W;Y is a stability enhancing element or a mixture thereof selected from the group C, Si, B, Ce, Th, Nb, Zr, Ta, U, where «a» can vary from 0 to 2;Z is a promoter element or a mixture thereof selected from the group Co, Ni, Fe, where «b» can vary from 0 to 0.1;S is the element sulfur, where «c» can vary from 1.3 to 6.0;O is the element oxygen, where «d» can vary from 0 to the upper limit required by stoichiometry. |