Process for producing finely divided limestone

Details Process for producing finely divided limestone Process for producing finely divided limestone

1983-11-02

1986-12-16

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 21, B02C 1912

Patent

active

046291300

ABSTRACT:
Finely divided limestone is produced by abrasively grinding limestone in an aqueous media in the presence of added dissolved carbon dioxide or in the presence of a soluble acid-forming compound, the anion of which forms a soluble calcium compound, or in the presence of both dissolved carbon dioxide and an acid-forming compound. The finely divided limestone is used in a dry flue gas desulfurization process.

REFERENCES:
patent: 2096030 (1937-10-01), Cooke
patent: 3920800 (1975-11-01), Harris
patent: 3989195 (1976-11-01), Falcon-Steward
patent: 4219590 (1980-08-01), Shibazaki et al.
patent: 4272498 (1981-06-01), Faatz
Kinetic and Engineering Aspects on the Wet-Dry FGD Process by Jonas Klingspor, Licenciate Thesis, Jun. 1983, Dept. of Chemical Engineering II, Lund Institute of Technology--Sweden.

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