The contents described in this report are summarized as follows:-
(a) Converter-anodes are classified into 3 kinds by the degree of blowing.
(b) The physico-chemical properties of these anodes are described and discussed.
(c) The effects of the anode-properties on the electrolysis are investigated.
(d) The most favourable conditions for the electrolytic refining of the converteranode are discussed.
(e) A few types of boilers for the heating of electrolyte are compared.
(f) Improvements on the recovery of copper-sulfate, nickel-sulfate and selenium, and on the refining and casting of wire-bars.
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