Removal of sulfur oxides from preheater off gases

Details Removal of sulfur oxides from preheater off gases Removal of sulfur oxides from preheater off gases

1998-02-19

1999-04-27

Marcheschi, Michael

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106752, 106762, 42324407, C04B 736

Patent

active

058977023

ABSTRACT:
Sulfur oxides are removed from a preheater waste gas stream by reacting the sulfur oxides with lime recovered from the off gas stream in a calcining furnace. The method is particularly adaptable for use in a cement manufacturing plant wherein the sulfur dioxides in the waste gases result from the combustion of fossil fuels used for process heat.

REFERENCES:
patent: 4065320 (1977-12-01), Heian et al.
patent: 4469664 (1984-09-01), Abelitis et al.
patent: 4662945 (1987-05-01), Lawall

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