System for simultaneously scrubbing cement kiln exhaust gas and

Details System for simultaneously scrubbing cement kiln exhaust gas and System for simultaneously scrubbing cement kiln exhaust gas and

1987-06-19

1990-04-10

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422234, 422235, 423232, 423239, F23J 1500, B01J 1000

Patent

active

049159143

ABSTRACT:
This invention provides a system for simultaneously scrubbing acidic exhaust gases and removing alkali and alkaline earth metal salts from waste dust from a cement plant or the like thereby producing useful products from what would otherwise be wasted. In essence the two wastes are combined in water and the resulting solution and precipitate separated in a tank. The solution is useful both to cool incoming waste gas and as a fertilizer, while the precipitate is suitable as kiln feed stock.

REFERENCES:
patent: 2701193 (1955-02-01), Headier
patent: 3687613 (1972-08-01), Rickard
patent: 3733779 (1973-05-01), Bellisio et al.
patent: 4100259 (1978-07-01), Salaun et al.
patent: 4155977 (1979-05-01), Baker
patent: 4156712 (1979-05-01), Kanai
patent: 4195062 (1980-03-01), Martin et al.
patent: 4590047 (1986-05-01), Donnelly

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