Inventors:
Robert D. Good - late of Pittsburgh PA
Paul P. Quenin - Pittsburgh PA
Assignee:
Dravo Corporation - Pittsburgh PA
International Classification:
C10C 100
Abstract:
This invention relates to the treatment of a multi-component material to separate and recover the components thereof, and more particularly to the solvent extraction or treatment of waste asphalt shingles to recover, in reusable form, the filler, fiber, granules and like solid components as well as asphalt therefrom.