Use Of Superacids To Digest Chrysotile And Amosite Asbestos In Simple Mixtures Or Matrices Found In Building Materials Compositions

Patent · 21 December 1999

OSTI ID:879531

Sugama, Toshifumi ^[1]; Petrakis, Leon ^[2]; Webster, Ronald P ^[3]

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1. Wading River, NY
2. Port Jefferson, NY
3. Shoreham, NY

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

• Research Organization: Brookhaven National Laboratory (BNL), Upton, NY (United States)
• DOE Contract Number: AC02-98CH10886
• Assignee: Brookhaven Science Associates LLC (Upton, NY)
• Patent Number(s): US 6,005,158
• Application Number: 09/085091
• OSTI ID: 879531
• Country of Publication: United States
• Language: English