Use of super acids to digest chrysotile and amosite asbestos in

Details Use of super acids to digest chrysotile and amosite asbestos in Use of super acids to digest chrysotile and amosite asbestos in

1998-05-26

1999-12-21

Yoon, Tae

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588242, 423659, A62D 300, B09B 300

Patent

active

060051582

ABSTRACT:
A composition for converting asbestos-containing material to environmentally benign components is provided. The composition comprises a flouro acid decomposing agent which can be applied to either amosite-containing thermal insulation or chrysotile-containing fire-proof material or to any asbestos-containing material which includes of chrysotile and amosite asbestos. The fluoro acid decomposing agent includes FP(O)(OH).sub.2, hexafluorophosphoric acid, a mixture of hydrofluoric and phosphoric acid and a mixture of hexafluorophosphoric acid and phosphoric acid. A method for converting asbestos-containing material to environmentally benign components is also provided.

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patent: 5317056 (1994-05-01), Batdorf
patent: 5763738 (1998-06-01), Sugama et al.

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