Hazardous or toxic waste destruction or containment – Containment – Solidification – vitrification – or cementation
Patent
1993-04-02
1995-07-18
Straub, Gary P.
Hazardous or toxic waste destruction or containment
Containment
Solidification, vitrification, or cementation
588206, 588209, 588228, 588248, A62D 300, B09B 300
Patent
active
054343372
ABSTRACT:
A process for destroying toxic substances is described by irreversible substance decomposition of chemically relatively stable molecular structures occurring during the heat treatment of organic refuse constituents and whilst using a high temperature reactor. For this purpose, the reactor burner zone is supplied with a toxic substance--molecular structure mixture mixed with additional combustible gases raising the flame temperature and which is in liquid and/or gaseous form, in addition to oxygen in stoichiometric excess. The reaction gas thermally split off in the oxygen burner is then kept for at least 5 seconds in a stabilizing area of the reactor kept at a temperature of at least 1400.degree. C. and subsequently is suddenly cooled from this temperature to at least 100.degree. C.
REFERENCES:
patent: 3884162 (1975-05-01), Schuster
patent: 4018879 (1977-04-01), Winnen
patent: 4715965 (1987-12-01), Sigerson et al.
patent: 5061463 (1991-10-01), Vickery
Straub Gary P.
Thermoselect AG
Vanoy Timothy C.
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