Light weight aggregate and method for making same

Details Light weight aggregate and method for making same Light weight aggregate and method for making same

1977-10-11

1978-10-17

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

106123LC, 106309, 106DIG1, C08L 9700

Patent

active

041207386

ABSTRACT:
A light weight aggregate is described which is formed of fly ash and solids derived from the caustic extract filtrate produced in a kraft pulping process. In a method for producing the light weight aggregate caustic extract filtrate produced in a kraft pulping process is concentrated to a desired level. The concentrated filtrate is then mixed with water and fly ash to produce a green agglomerate which is extruded into discrete pellets. The pellets are then burned to produce a light weight high strength aggregate.

REFERENCES:
patent: 2948948 (1960-08-01), Duplen, Jr. et al.
patent: 3030222 (1962-04-01), Eichenlaub
patent: 3785840 (1974-01-01), Minnick et al.

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