Method for removal of PCDD and PCDF from combustion gases

Details Method for removal of PCDD and PCDF from combustion gases Method for removal of PCDD and PCDF from combustion gases

2005-06-14

2005-06-14

Johnson, Edward M. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

C588S406000

Reexamination Certificate

active

06905664

ABSTRACT:
A method for the removal of micro-pollutants, in particular PCDD and PCDF, from the combustion gases resulting from the incineration of chlorinated organic wastes (ICG), the gases containing acidic products and traces of metals and being treated with catalytically active reactants. The treatment reactants (R1. . . Ri) are obtained from the gases during treatment and are fed back to the catalytic treatment unit of the untreated gases under conditions such that the treatment reactants act as effective pollutant removal agents.

REFERENCES:
patent: 4620492 (1986-11-01), Vogg et al.
patent: 5456891 (1995-10-01), Fattinger et al.
patent: 5951852 (1999-09-01), Fookes
patent: 6323385 (2001-11-01), Iwasaki et al.
patent: WO 9933525 (1999-07-01), None

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