Agglomerated volatilized silica dust

Details Agglomerated volatilized silica dust Agglomerated volatilized silica dust

1981-12-30

1983-05-24

Poer, James

Compositions: coating or plastic

Materials or ingredients

106 98, C09C 128

Patent

active

043848966

ABSTRACT:
There is provided a process for agglomerating volatilized silica in the form of grains by wetting same with from about 10 to about 35% by weight of an alkali or alkaline earth metal oxide solution in water, said agglomerated volatilized silica having a densification factor of 1.7 to 2.5 (when oven-dried) and a dry bulk density of from about 500 to 775 kg/m.sup.3. These agglomerated volatilized silica grains can be used to replace advantageously up to 50%, and in some cases more, by weight of Portland cement in the manufacture of concrete.

REFERENCES:
patent: 3192060 (1965-06-01), Tilsen
patent: 3788866 (1974-01-01), Flood et al.
patent: 4105463 (1978-08-01), Angelbeck
patent: 4118450 (1978-10-01), Nakamura et al.

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