Process for the recovery and reutilization of the used materials

Details Process for the recovery and reutilization of the used materials Process for the recovery and reutilization of the used materials

1980-03-26

1981-07-21

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

208 39, 208 45, C08L 9500

Patent

active

042796601

ABSTRACT:
A process for the recovery and reutilization of materials in existing asphalt pavements includes comminuting existing asphalt pavement, subjecting the comminuted pieces to the action of a solvent is a dissolving zone to separate asphalt from other component materials, recovering solvent and asphalt dissolved therein from such zone separately from the other materials, drying and classifying the other material according to size, separating asphalt from the solvent, and transferring separated asphalt and the size-classified other materials to storage zones for subsequent reuse in the preparation of asphalt pavement.

REFERENCES:
patent: 3668110 (1972-06-01), Shea et al.
patent: 4000000 (1976-12-01), Mendenhall
patent: 4125459 (1978-11-01), Garwin
patent: 4177080 (1979-12-01), Mendenhall

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