Method for processing a heavy-metal-containing residue from the

Details Method for processing a heavy-metal-containing residue from the Method for processing a heavy-metal-containing residue from the

1984-10-30

1987-03-24

Cintins, Ivars

Furnaces

Process

Incinerating refuse

210769, F23G 700

Patent

active

046516565

ABSTRACT:
There is disclosed a method for processing heavy-metal-containing residues from the chemical industry. For an economical and at the same time ecologically safe processing of the heavy-metal-containing residues, the heavy-metal-containing residues are introduced into a primary-gas reaction zone of a shaft gasifier containing at least one solid bed of carbon-containing material. Slag-forming substances are introduced together with the charge substances and/or together with the solid-bed formers to absorb and set the heavy metals. The lower zone of the solid bed is maintained at a temperature above the slag and ash melting temperatures. The viscosity of the slag is less than 100 poise.

REFERENCES:
patent: 3902435 (1975-09-01), Schuster
patent: 3929586 (1975-12-01), Slikkers
patent: 4015997 (1977-04-01), Selmeczi et al.
patent: 4226630 (1980-10-01), Styron
patent: 4356030 (1982-10-01), Halpin et al.

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