High Temperature Oxidation of Nickel Concentrates

摘要

Only a limited number of studies have been published on the oxidation behavior ofNi-concentrate. In the report a brief literature review of both suspension and ignition temperature experiments is presented. In the experimental part of the study, the behavior of a nickel concentrate was investigated in a laminar flow furnace under simulated flash smelting conditions. Sulfur removal from the Ni-concentrate was found to accelerate with increasing gas preheating temperature and/or oxygen content of the reaction gas. Particle size had a noticeable effect on the sulfur removal only at low experimental temperatures and O2-contents.