Abstract
A utilization of Fe as an additive in smelting reduction of Pb glass was proposed in this work with the aim of detoxification treatment of Pb glass, where Pb is removed from the glass. In the present experiment, Pb glass contained in Fe crucible was melted with Fe lump at 1300 °C under Ar atmosphere for 3 hr. It was found that added Fe can reduce PbO in PbO glass to metal Pb and, in addition, the FeO introduced by the reaction Fe + PbO = Pb + FeO works as a melting agent lowering the viscosity of glass, which promotes the separation of Pb from Pb glass in smelting reduction.
