Patent ID: 11865583
Assignee: MISSISSIPPI LIME COMPANY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 11:
12. A system for separating soft-burned quicklime from hard-burned quicklime, the system comprising:
a quicklime particulate with a particle size smaller than 100 mesh, the quicklime particulate having a size distribution with two peaks in a bimodal distribution; and
means for separating said quicklime particles into a soft burned and a hard burned fraction separated by a dividing point, said soft burned fraction being particles smaller than said dividing point and said hard burned fraction being particles larger than said dividing point;
wherein said dividing point is between said two peaks in said bimodal distribution;
wherein said soft burned fraction has an R180 of greater than 40 degrees; and
wherein said hard burned fraction has an R180 of less than 30 degrees.