Brick and method of making same

Details Brick and method of making same Brick and method of making same

1976-06-07

1978-10-17

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106DIG1, C04B 3516

Patent

active

041207351

ABSTRACT:
A brick or similarly fired construction unit and method of making it comprising mixing at least about 50% inorganic, non-ferrous residue from municipal incinerators, by weight, with coal fly ash and a binder, such as sodium silicate, and firing the mixture at a temperature of about 1700 to about 1900 to 2000.degree. F. for about 1/2 hour. A preferred "optimum" composition for lower firing temperatures and less costly binders comprises about 50 to 60% incinerator residue, 0.5 to 10% of sodium silicate or other binder and the remainder fly ash fired at 1700.degree.-1750.degree. F., which produces compressive strength and water absorption properties superior to fly ash brick and equal to better than conventional clay brick, even though the firing temperature is about 300.degree. less.

REFERENCES:
patent: 3573940 (1971-04-01), Cockrell et al.
patent: 3846366 (1974-11-01), Wallace

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