Method of reducing corrosion in a power boiler of a pulp mill

Details Method of reducing corrosion in a power boiler of a pulp mill Method of reducing corrosion in a power boiler of a pulp mill

1996-10-28

1999-01-05

Silverman, Stanley S.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Including recovery of organic by-product

162 29, 110238, 422185, D21C 1106

Patent

active

058557369

ABSTRACT:
Method of reducing corrosion in a power boiler of a pulp mill using biofuel and suspended matter obtained from the waste water treatment of the mill. In the method flue gases obtained from a waste heat boiler are fed into the power boiler, causing the sulfur dioxide contained in them to react with the alkali chlorides in the boiler and the chlorine to form hydrogen chloride.

REFERENCES:
patent: 3396076 (1968-08-01), Crosby et al.
patent: 3654071 (1972-04-01), Brannland et al.
patent: 5124135 (1992-06-01), Girrbach et al.
patent: 5201172 (1993-04-01), Hakulin et al.
patent: 5277759 (1994-01-01), Sannholm
B. Warnqvist et al., Removal of chloride from recovery systems by reactions with sulfur dioxide.

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