Method of treating fly ash and fly ash cement

Details Method of treating fly ash and fly ash cement Method of treating fly ash and fly ash cement

1992-06-26

1994-02-15

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106713, 106405, 106819, 106DIG1, 264344, 264DIG49, C04B 726, C04B 1808, C04B 2002

Patent

active

052862925

ABSTRACT:
Commercially available fly ash is prepared and charged in a vessel. A halogen gas is supplied to the vessel and is brought into contact with the fly ash in the vessel.

REFERENCES:
patent: 2576565 (1951-11-01), Brown
patent: 4159310 (1979-06-01), Reynolds et al.
patent: 4624711 (1986-11-01), Styron
patent: 4652433 (1987-03-01), Ashworth et al.
patent: 4663507 (1987-05-01), Trerice
Boles, "Fly Ash Facts for Highway Engineers", Federal Highway administration, Jul. 1987, pp. 11-17.
Buck et al. "Studies of the Constitution of Fly Ash Using Selective Dissolution", U.S. Army Corps of Engineers, May 1983.

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