Methods for thermally degrading unwanted substances using partic

Details Methods for thermally degrading unwanted substances using partic Methods for thermally degrading unwanted substances using partic

1998-06-08

2000-01-25

Anthony, Joseph D.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588248, 25218825, 423657, 423658, A62D 300, C01B 308, C09K 300, B09B 300

Patent

active

060180919

ABSTRACT:
Methods and products for thermally degrading unwanted substances is provided which involves contacting such substances with a particulate metal composition in the presence of water and an alkali metal salt, and causing sufficient heat to be generated during such contacting to degrade the substance. The particulate metal compositions include respective quantities of particulate iron and magnesium, and optionally quantities of particulate aluminum and zinc. The compositions generate temperatures on the order of 300-550.degree. F. during such thermal degradations, along with quantities of hydrogen gas and water vapor.

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patent: 4072514 (1978-02-01), Suzuki
patent: 4264362 (1981-04-01), Sergev et al.
patent: 4937065 (1990-06-01), Maurer et al.
patent: 5879378 (1999-03-01), Usui

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