Method for the destruction of unwanted compounds using metal oxi

Details Method for the destruction of unwanted compounds using metal oxi Method for the destruction of unwanted compounds using metal oxi

1996-01-16

1999-06-22

Bos, Steven

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

423210, 423240S, 42324402, 423235, 588206, 588242, 588246, B01D 5344

Patent

active

059144360

ABSTRACT:
Finely divided composite materials are provided comprising a first metal oxide (e.g., MgO) at least partially coated with an extremely thin layer of a second metal oxide selected from the group consisting of the transition metal oxides such as Fe.sub.2 O.sub.3. The composites are very effective for the destructive adsorption of undesirable fluids in gaseous or liquid form, such as chlorocarbons and chlorofluorocarbons. In use, a fluid stream including undesirable fluids are contacted with the composites of the invention, such as through the use of a filter containing the composite as a part of the filter media thereof.

REFERENCES:
patent: 4360504 (1982-11-01), Blanck et al.
patent: 4504681 (1985-03-01), Armor
patent: 5128305 (1992-07-01), Yoshimoto et al.

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