ON THE TREATMENT OF IRON ORE, CONTAINING NICKEL AND CHROMIUM

Abstract

The iron ore, which contains nickel, cobalt, chromium etc. in considerable amount, may be taken as resources of the metals contained as well as of iron. In view of extracting nickel, cobalt and others in the form of their salts or oxides from the ore, a wet method was adopted which used dilute sulphuric acid under high pressure. The mechanism of the process were explained, referring to the laboratory researches and some experiments on an industrial scale.