Process and apparatus for producing SO.sub.2 -containing gas and

Details Process and apparatus for producing SO.sub.2 -containing gas and Process and apparatus for producing SO.sub.2 -containing gas and

1995-09-06

1997-05-06

Marcantoni, Paul

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106772, 106775, 106780, 423522, C04B 1102

Patent

active

056266677

ABSTRACT:
A method and apparatus for producing SO.sub.2 -containing gas and cement clinker by splitting waste gypsum and anhydrite, using paper fibers as the reducing agent, and firing the splitting residue with additives. The cement forming additives are formed into a mixture with the anhydrite and the mixture is compacted before the final drying and calcining, whereupon the anhydrite containing mixture is subjected to the splitting reaction and firing to form the clinker.

REFERENCES:
patent: 4627877 (1986-12-01), Ogawa et al.
patent: 5169617 (1992-12-01), Clemens et al.

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