DAVID S YANG
Real Estate Commission in Berwyn, PA

License number
Pennsylvania RS185147L
Category
Real Estate Commission
Type
Real Estate Salesperson-Standard
Address
Address
Berwyn, PA 19312

Professional information

David Yang Photo 1

Aluminum Dross Reclamation

US Patent:
4523949, Jun 18, 1985
Filed:
Sep 30, 1982
Appl. No.:
6/429578
Inventors:
Irving W. Gower - Berwyn PA
Carl J. Cherry - King of Prussia PA
David S. Yang - Berwyn PA
Assignee:
Combustion Engineering, Inc. - Windsor CT
International Classification:
C22B 704
US Classification:
75 24
Abstract:
Aluminum dross containing chlorides and combustible volatile material is agglomerated and sized to produce a compact which is then treated in a direct fired rotary kiln in excess of 1800. degree. F. to volatilize the chlorides and burn the combustible volatile material and to produce a refractory material. The flue gases containing the volatilized chlorides are then treated in a condenser where the chlorides are condensed out of the remaining flue gases. The refractory product from the kiln may be passed through a cooler wherein the heat is transferred to the combustion air.