Apparatus for making pellets usable as aggregate or filler

Details Apparatus for making pellets usable as aggregate or filler Apparatus for making pellets usable as aggregate or filler

1976-05-17

1977-09-27

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Combined

425210, 425222, 425DIG201, 261DIG9, 264117, B29J 100

Patent

active

040508714

ABSTRACT:
Waste gas from a coal-fired power plant is scrubbed with a lime-water mixture to form a sludge whose water content is reduced and which is mixed with a binder such as water glass. This mixture is then pelletized to produce hard water-stable material suitable for use as an aggregate or filler. The waste gas may be stripped of its fly ash and this ash added to the sludge to thicken it.

REFERENCES:
patent: 2457962 (1949-01-01), Whaley
patent: 2684290 (1954-07-01), Alexander et al.
patent: 3406426 (1968-10-01), Pobst, Jr. et al.
patent: 3700461 (1972-10-01), Dickens, Jr.

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