Method for treatment of flue gas cleaning products

Details Method for treatment of flue gas cleaning products Method for treatment of flue gas cleaning products

2007-01-02

2007-01-02

Johnson, Edward M. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

Reexamination Certificate

active

10181967

ABSTRACT:
The invention relates to a method of treating a halogen containing solid or semi solid waste material from a flue gas cleaning process, wherein the amount of alkaline compounds is sufficient to provide a suspension of the waste material in water with a pH value of at least 10, said method comprising the steps of a) preparing an aqueous suspension of the solid or semi solid waste material, said suspension having a pH value of at least 10, b) separating the solid and the liquid material from each other to obtain an aqueous solution of waste material and a solid waste material, and collecting the solid waste material. The procedure is repeated one or more times, and optionally the resulting solid waste material is dried.

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