Composition for reducing fly ash resistivity

Details Composition for reducing fly ash resistivity Composition for reducing fly ash resistivity

1982-08-19

1984-01-31

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

110345, G01B 100

Patent

active

044288662

ABSTRACT:
A mixture of an alkyl amine, e.g., tri-n-propylamine and an SO.sub.3 -containing acid, preferably, sulfamic acid is injected into the flue gas stream of a coal-fired utility boiler to reduce the electrical resistivity of the fly-ash particles and to increase their mean particle size, thereby improving their recovery by electrostatic precipitation or by mechanical separation, with consequent reduction in stack emission.

REFERENCES:
patent: 4070162 (1978-01-01), Kober et al.
patent: 4185071 (1980-01-01), Suyak
patent: 4224180 (1980-09-01), Suyak

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