Back to results
US 4,464,353 AGranted
Quicklime slaking process
AssigneeChemlime Corporation
InventorNorman L. Hains
Life of this patent
Estimating the term…
Abstract
A method for forming a lime slurry in which a sulfate compound is mixed with an aqueous slaking medium and in which the resulting sulfate/water mixture is admixed with calcium oxide.
Claims5
In the method for hydrating calcium oxide with an aqueous slaking medium to form a lime slurry, the improvement comprising the step of adding a soluble sulfate compound to the slaking medium prior to contacting the calcium oxide with the slaking medium, and then contacting the calcium oxide with the slaking medium to directly form a flowable and pumpable lime slurry having a solids content greater than 32% by weight.
Dependencies are inferred from the claim text.