RECOVERY OF COPPER AND SILVER FROM WAELZ CLINKER .
Nov 5, 2013 . Waelz clinker is a waste material from the processing of zinc lead cake into Waelz furnace in Bulgarian metallurgi cal plant KCM Ltd, .. passed through carbon flotation. . G. Skopov at all, Processing clinker from zinc pro .
Reproductive Performance and Immune Status of Caged Broiler .
Zinpro Corporation, Eden Prairie, Minnesota 55344. Primary Audience: . caged broiler breeder hens provided diets supplemented with 160 ppm zinc from either ZnSO4. (control), AvailaZn .. the floatation method  was used to determine.