Abstract: A method of recovering leaded glass from leaded glass articles such as cathode ray tubes having evaporated aluminum thereon and coatings of phosphors and sodium silicate-containing material, as well as plastic labels and adhesives and other organic films in which the articles are broken into pieces and tumbled in a diphase solution, one phase of which is a solution of an alkaline earth in water and the other phase of which is an organic solvent for a period of time sufficient to remove all coatings and materials from the glass pieces which are then ready for melting and formation of new articles.
Type:
Grant
Filed:
November 5, 1991
Date of Patent:
August 17, 1993
Assignee:
Envirocycle Incorporated
Inventors:
Robert J. Krawczyk, James F. Matthews, Louis J. Norman