| abstract |
A sorbent composition in powder form, comprising calcium hydroxide (Ca (OH) 2), magnesium hydroxide (Mg (OH) 2) and magnesium oxide (MgO), said composition having a specific surface area BET greater than 20 m2 / g, preferably greater than 25 m2 / g, even more preferably greater than 35 m2 / g, wherein said magnesium oxide (MgO) is present in such an amount that the ratio between the weight of magnesium oxide ( MgO) and the total weight of calcium and magnesium hydroxide (MgO / (Ca (OH) 2 + Mg (OH) 2)) is within the range of 0.15-0.40, even more preferably within the range of 0.22-0.38. |