Mechanical method for separating fractions of incinerated urban

Details Mechanical method for separating fractions of incinerated urban Mechanical method for separating fractions of incinerated urban

1976-03-12

1977-08-30

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

With classifying or separating of material

241 29, 241 76, 241 791, 241DIG38, B02C 2314

Patent

active

040449564

ABSTRACT:
A method for separating fractions of incinerated refuse with a high recuperation yield without requiring special equipment. A first portion of the separation process may be applied to either an initially dry or an initially wet refuse. The refuse is at first screened to a median size. The oversized fraction is crushed and shredded and the non-magnetic fraction separated therefrom is sent commonly to a grinding-rolling mill which also receives the undersize fraction. The undersize fraction downstream of the grinding mill is further treated by a wet separating process, the method achieving separation of ferrous and nonferrous metals, of glasses and silicates, and of magnetic slags.

REFERENCES:
patent: 3579320 (1971-05-01), Pesses
patent: 3790091 (1974-02-01), Law et al.
patent: 3905556 (1975-09-01), Drage

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