Method for producing a highly porous fine powdered slaked lime composition, and product obtained therefrom

(22) 23.06.2017

(43) 28.12.2017

(57) The present invention relates to a method for producing a highly porous fine powdered slaked lime composition, comprising: a fluidisation step for forming said highly porous fine powdered slaked lime composition having an Alpine fluidity of greater than 50 %, carried out in a dryer-grinder selected from the group comprising a dryer-pin mill, a dryer-cage grinder, a flash dryer-deagglomerator and a combination thereof, until the powdered slaked lime composition has a non-solid residual phase content of less than or equal to 3.5 wt.%, and greater than or equal to 0.3 wt.%. The invention also relates to the product obtained therefrom.

(71) S.A. Lhoist Recherche et Developpement, rue Charles Dubois 28, 1342 Ottignies-Louvain-la-Neuve (BE)