F - Mech Eng,Light,Heat,Weapons – 23 – J
Patent
F - Mech Eng,Light,Heat,Weapons
23
J
23/338
F23J 15/00 (2006.01) B01D 53/70 (2006.01) B01D 53/72 (2006.01) B01D 57/00 (2006.01) F23G 7/00 (2006.01)
Patent
CA 1109232
ABSTRACT OF THE DISCLOSURE Molecular chlorine level in flue gases from incineration of chlorinated organic materials is reduced by injecting into the incinerator's quench zone an amount of a C1-C4 hydrocarbon which depends on the amount of air fed into the combustion zone, the amount of air being such that there is a 1-40% excess of oxygen. When the wall temperature of the combustion zone is about 800-1500°C, the temperature at which the hydrocarbon is added to the quench zone is about 450-1000°C. Hydrogen chloride, which is formed from molecular chlorine and hydrocarbon, is more readily water-scrubbed than chlorine, so that less pollut- ing flue gases are obtained.
321538
Harris Alexander T.
Putman Charles R.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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