作者：Zhe-nan Jin1,2Jian-fang Lü3,4,5Hong-ying Yang1,2Zhi-yuan Ma3,4,5

作者单位：1. Key Laboratory for Ecological Metallurgy of Multimetallic Mineral (Ministry of Education), Northeastern University2. School of Metallurgy, Northeastern University3. Guangdong Institute of Resource Comprehensive Utilization, Guangdong Academy of Sciences4. State Key Laboratory of Separation and Comprehensive Utilization of Rare Metals5. Guangdong Provincial Key Laboratory of Development and Comprehensive Utilization of Mineral Resources

刊名：International Journal of Minerals Metallurgy and Materials

ISSN：1674-4799

出版年：2019-12-15

卷：26

期：12

起页：1604-1616

止页：

分类号：TQ175.1

语种：英文

关键词：

内容简介

An efficient approach for lead extraction from waste funnel glass through the lead smelting process has been proposed. To clarify the effect of funnel glass addition on the degradation of magnesia-chromite refractories by ZnO-containing fayalite slag, the corrosion behavior of magnesia-chromite refractories in lead smelting slags with different funnel glass additions from 0 wt% to 40 wt% was tested. Scanning electron microscopy with energy dispersive X-ray spectroscopy（SEM-EDS） was used to acquire the microstructural information of the worn refractory samples. Experimental results showed that the corrosion of magnesia-chromite refractory consisted predominantly of the dissolution of MgO into slag. ZnO and FeO reacted with periclase and chromite to form（Zn,Fe,Mg）O solid solution and（Zn,Fe,Mg）（Fe,Al,Cr）2O4 spinel, respectively. With the addition of funnel glass, the solubility of MgO increased whereas ZnO levels remained stable, thereby resulting in a reduced Mg content and an elevated Zn and Fe content in the（Zn,Fe,Mg）O solid solution and the（Zn,Fe,Mg）（Fe,Al,Cr）2O4 spinel. Considering the stability of the（Zn,Fe,Mg）O solid solution layer and the penetration depth of the slag, the optimal funnel glass addition for lead smelting was found to be 20 wt%.