Method of removing sulphur dioxide from cement kiln exhaust gase

Details Method of removing sulphur dioxide from cement kiln exhaust gase Method of removing sulphur dioxide from cement kiln exhaust gase

1997-11-19

1999-07-27

Walberg, Teresa

Heating

With means diluting, purifying or burning exhaust gases

432106, F23J 1700

Patent

active

059279672

ABSTRACT:
A method of removing sulphur dioxide from exhaust gases generated in the production of cement wherein cement raw meal is preheated, ground, and burned in a kiln to form cement clinker which subsequently is cooled and ground. Grinding of the clinker is performed in the presence of preheater exhaust gases containing sulphur dioxide, the cement particles absorbing sulphur dioxide from such exhaust gases.

REFERENCES:
patent: 3973980 (1976-08-01), Rohrbach et al.
patent: 4229226 (1980-10-01), Abelitis
patent: 4634583 (1987-01-01), Wolter et al.
patent: 5169611 (1992-12-01), Kupper et al.
patent: 5264013 (1993-11-01), Brentrup

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