Environmental risk assessment on slag and iron-rich matte produced from reducing-matting smelting of lead-bearing wastes and iron-rich wastes

Autor:	Jian-xun Wu, Weichun Yang, Yan-jing Wu, Liyuan Chai, Chao-bo Tang
Rok vydání:	2015
Předmět:	Materials science European community Waste management Metals and Alloys Heavy metals Geotechnical Engineering and Engineering Geology Condensed Matter Physics Environmental risk Hazardous waste Smelting Materials Chemistry Leaching (metallurgy) Environmental risk assessment Index method
Zdroj:	Transactions of Nonferrous Metals Society of China. 25:3429-3435
ISSN:	1003-6326
Popis:	A new process for utilization of hazardous lead-bearing wastes and iron-rich wastes by reducing-matting smelting has been developed. The slag (SG) and the iron-rich matte (IRM) are the main by-products from reducing-matting smelting of lead-bearing wastes and iron-rich wastes. The environmental risk of heavy metals (Cd, Zn, Pb and As) in the main by-products versus the charging material for reducing-matting smelting (CM) has been systematically assessed using leaching toxicity test, the three-stage sequential extraction procedure of European Community Bureau of Reference (BCR) and Hakanson Potential Ecological Risk Index Method (PERI). The results demonstrate that the ecological risk level of heavy metals for SG and IRM is significantly reduced after the reducing-matting smelting process compared with that for CM.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::f8007bce692649cb0ee540aa30710143 https://doi.org/10.1016/s1003-6326(15)63978-4 Zobrazit plný text záznamu Full Text from ScienceDirect