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Walter Sprecker Rockey
Hilliary Eldridge
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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B15/00—Obtaining copper
C22B15/0026—Pyrometallurgy
C22B15/006—Pyrometallurgy working up of molten copper, e.g. refining
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Manufacture And Refinement Of Metals
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Curing Cements, Concrete, And Artificial Stone
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Abstract
12,168. Rockey, W. S., and Eldridge, H. May 22. Dry processes of refining copper.-Molten copper at a temperature of from 1200‹ to 1500‹ C. is passed through a flux consisting of, or containing, anhydrous boron trioxide. Carbon or other reducing-agent may be added to the molten metal before its treatment with the flux, or the reducing-agent may be added to the flux. Specifications 4409/12 and 5445/12 are referred to.
GB191212168D1912-05-221912-05-22Improved Process for Refining Copper.
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