Date of Award


Degree Type

Bachelors Thesis

Degree Name

Bachelor of Science in Metallurgical Engineering



First Advisor

J. P. Spielman

Second Advisor

Dr. A. E. Koenig

Third Advisor

B. D. Cullity


The purpose of this investigation was to ascertain if advantage could be taken of the copper in the precipitates as a collecting agent of the precious metals in the direct smelting furnace.The products produced to be low grade anode bullion and a slag low in precious metals, high in zinc and lead.