Abstract

Reduction of nickel laterite to form Nickel Pig Iron has turned into one of a breakthrough in facing the scarcity of sulfide ore. In this study, the effect of using different reducing agent and different type of nickel laterite to produce Nickel Pig Iron was investigated. The nickel laterite, saprolite and limonite were reduced by antrachite coal, lamtoro charcoal, coconout shell charcoal, and carbon riser, under the temperature ranged from 800to 1000⁰C. The higher the temperature, and the longer it was kept at high temperature, the more complete the reduction process. According to some analysis, the saprolite gives more Ni content than limonite. The X-Ray Powder Diffraction (XRD) analysis has indicated that the type of carbon used in the process greatly influences the nickel laterite rate of reduction. Also, biomass as reducing agent gives an almost similar reactivity as coal-based reducing agent. It means biomass reducing agent can be classified as a good reducing agent in the reduction process.

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