Continuous gypsum calcination process and kettle therefor

Details Continuous gypsum calcination process and kettle therefor Continuous gypsum calcination process and kettle therefor

1976-10-29

1978-09-12

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423172, 432151, 432239, 422109, 422164, 422225, C04B 1102

Patent

active

041138368

ABSTRACT:
Continuous calcination of gypsum is provided by uniformly feeding uncalcined gypsum into the calcining batch in a kettle to a location below the surface but above the uppermost agitator, and allowing calcined gypsum to be discharged from the kettle through a discharge outlet in the wall of the kettle at the top surface of the calcining gypsum.

REFERENCES:
patent: 519259 (1894-05-01), Higginson
patent: 1565249 (1925-12-01), Berry
patent: 2495147 (1950-01-01), Street
patent: 3131212 (1964-04-01), Biller
patent: 3236509 (1966-02-01), Blair
patent: 3285968 (1966-11-01), Bradley
patent: 3307915 (1967-03-01), Conroy et al.
patent: 3378246 (1968-04-01), Leding
patent: 3508882 (1970-04-01), Farnell

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