Fly ash recycling to reduce toxic gaseous emissions

Details Fly ash recycling to reduce toxic gaseous emissions Fly ash recycling to reduce toxic gaseous emissions

1987-10-13

1989-07-04

Doll, John

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

423240, 4232451, 4232453, B01D 5310, B01D 5334

Patent

active

048448753

ABSTRACT:
A process for removing toxic compounds from gaseous emissions of municipal solid waste combustion systems is disclosed in which fly ash produced by the incineration process is used to adsorb toxins, and is recycled to a combustor, which destroys the adsorbed toxins and regenerates the fly ash for further toxin recovery.

REFERENCES:
patent: 4042667 (1977-08-01), Ishiwata et al.
patent: 4411879 (1983-10-01), Ehrlich et al.
patent: 4654203 (1987-03-01), Maurer et al.
patent: 4710365 (1987-12-01), Gebhard et al.
Perry's Chemical Engineers' Handbook, 6th ed. Perry et al., eds. McGraw--Hill Book Co. 1984, pp. 20-73, 74.
Article in Chemical & Engineering News, Aug. 27, 1984.
Hasselriis, Refuse Combustion and Effects on Organic Emissions (1986).

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