Process for manufacturing aggregate from ash residue

Details Process for manufacturing aggregate from ash residue Process for manufacturing aggregate from ash residue

1987-12-28

1989-02-14

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With classifying or separating of material

106DIG1, 241 29, B02C 1912

Patent

active

048041475

ABSTRACT:
A process for manufacturing aggregate from the ash residues resulting from incineration of municipal solid waste. Fly ash residue is added to bottom ash residue and oversized material is removed. The combined ash residue is mixed and ferrous metal is magnetically removed. The combined ash residue is comminuted and heavy metal immobilizing and volumetric stabilizing agents are added. Water is added to and mixed with the combined ash residue and stabilizing agents. The resulting mixture is retained for sufficient time to allow the immobilizing and stabilizing reactions to occur and weak agglomerations to form. The agglomerations are broken into individual particles before a solid mass is formed.

REFERENCES:
patent: 3328180 (1967-06-01), Ban
patent: 4336069 (1982-06-01), Dodson et al.
patent: 4629509 (1986-12-01), O'Hara et al.
patent: 4744829 (1988-05-01), Eirich et al.

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