| abstract |
A hydrotalcite-based material having an improved mechanical strength, said hydrotalcite having the following general formula: M2+aM3+b(OH)c(An-)d*xH2O wherein M2+ is at least one divalent metal; M3+ is at least one trivalent metal; A is an n-valent anion, n is 1 or 2 and a and b are positive numbers, a > b, which hydrotalcite is deposited on alumina or an alumina precursor, a process of preparing said hydrotalcite-based material, the use thereof as a catalyst support material, a catalyst for the dehydrogenation of propane, and a process using such a catalyst in the dehydrogenation of propane. |