Recovery of promoters used in flue gas desulfurization

Details Recovery of promoters used in flue gas desulfurization Recovery of promoters used in flue gas desulfurization

1986-07-28

1988-02-09

Davis, Curtis R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkali metal

423155, 423179, 423205, 423244, 423635, 423641, B01D 2100

Patent

active

047241306

ABSTRACT:
In flue gas desulfurization, sorbent promoters are recovered by mixing collected particulates with water to form a slurry. The slurry is dewatered and wet solids are disposed. The recovered material contains water soluble desulfurization promoters and is reinjected in a flue gas desulfurization humidification system. The recycle allows recovery of water soluble promoters and reduces consumption. In addition, for promoters having undesirable disposal characteristics, the system improves the disposal characteristics of the waste solids.

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