| abstract |
A catalyst comprising chromia and at least one additional metal or compound thereof, wherein the catalyst has a total pore volume greater than 0.3 cm 3 /g and an average pore diameter of at least 90 Å, wherein the total pore volume comprises N2 adsorption pores and wherein the mean pore diameter is determined by N 2 BET adsorption porosimetry, wherein the at least one additional metal is Li, Na, K, Ca, Mg, Cs, Sc, Al, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Fe, Ru, Co, Rh, Ir, Ni, Pd, In, Pt, Cu, Ag, Au, Zn, La, Ce and selected from mixtures thereof. |