Process to recycle bituminous roofing refuse into solid fuel and

Details Process to recycle bituminous roofing refuse into solid fuel and Process to recycle bituminous roofing refuse into solid fuel and

1980-04-29

1982-05-18

Kight, III, John

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

44 19, 44 23, 106282, C08L 9500

Patent

active

043303404

ABSTRACT:
A method and apparatus for separating roofing refuse into its components for recycle into four valuable products (a) solid fuel (b) solid bitumen (c) bitumen coated aggregates (d) sheetmetal scraps.
The refuse which contains fibrous paper pulp, bitumens, mica, various types of aggregates, sheetmetals, etc., is first sized, then immersed in hot liquefied bitumens during a heat controlled separation process, after which, the components are mechanically extracted, compacted, allowed to cool to ambient temperature and packaged separately.

REFERENCES:
patent: 3650396 (1972-03-01), Gillespie et al.
patent: 3725262 (1973-04-01), Mattice et al.

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