| abstract |
Composition for smoke treatment comprising: - more than 80% by weight of hydrated lime in the form of calcium hydroxide particles having a specific surface area of BET equal to or greater than 25 m2/g and a total porous volume of BJH equal to or greater than 0.1 cm3/g; - at least one additive selected from the group consisting of NaCl, Na2SO4, CaCl2 and their mixtures, the proportion by weight of additive/hydrated lime being in the form of calcium hydroxide particles with a BET specific surface equal to or greater than 25 m2 /g and a total pore volume of BJH equal to or greater than 0.1 cm3/g, between 1:100 and 1:10, preferably between 1:50 and 1:20, - 1 to 10% by weight, preferably of 1 to 5% by weight of at least one sodium compound selected from NaOH, Na2CO3, NaHCO3 and their mixtures, and - less than 5% by weight, advantageously less than 3% by weight of water, preferably less than 1% by weight weight. |