Process for low temperature pyrolysis of dioxins

Details Process for low temperature pyrolysis of dioxins Process for low temperature pyrolysis of dioxins

1998-07-20

2000-06-06

Griffin, Steven P.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588206, 588207, 588208, 588209, 588210, 2082621, 2082625, A62D 300, B01D 5300

Patent

active

060720999

ABSTRACT:
Pyrolysis of dioxins adsorbed on a carbonaceous adsorbent such as activated carbon or activated cokes is carried out with much higher efficiency by heating a dioxins-adsorbed carbonaceous adsorbent in the presence of an alkali component in an oxygen-deficient state at a oxygen concentration of not more than 1% or in an inert state at 350.degree. C. or higher for at least one hour.

REFERENCES:
patent: 4327027 (1982-04-01), Howard et al.
patent: 5260047 (1993-11-01), Berger
patent: 5414204 (1995-05-01), Hosono et al.
patent: 5648591 (1997-07-01), Donecker et al.
Grant, Julius, "Hackh's Chemical Dictionary, 4th edition", pp. 26 & 37-40, 1969.

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