A Sustainable Methodology for Recycling Electric Arc Furnace Dust

被引：6

作者：

Hamuyuni, Joseph ^{[1
]}

Halli, Petteri ^{[1
]}

Tesfaye, Fiseha ^{[2
]}

Leikola, Maria ^{[1
]}

Lundstrom, Mari ^{[1
]}

机构：

[1] Aalto Univ, Sch Chem Engn, Dept Chem & Met Engn CMET, Aalto 00076, Finland

[2] Abo Akad Univ, Johan Gadolin Proc Chem Ctr, Lab Inorgan Chem, Piispankatu 8, SF-20500 Turku, Finland

来源：

ENERGY TECHNOLOGY 2018: CARBON DIOXIDE MANAGEMENT AND OTHER TECHNOLOGIES | 2018年

基金：

芬兰科学院;

关键词：

SRMs; Recycling; EAF dust; DSC-TGA curves; Alkaline roasting; FLUE DUSTS; ZINC;

D O I：

10.1007/978-3-319-72362-4_20

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In a race to save the planet of its rapidly depleting natural resources, the use of Secondary Raw Materials (SRMs) as replacements in several processes is currently intensively pursued. In fact, this is currently one of the European Union (EU)'s mandates. Valorization of SRMs is consistent with circular economy, where resource efficiency is maximized for the benefit of both businesses and the environment. In line with this mandate, this paper focuses on investigating process phenomena related to hydrometallurgical recycling of Electric Arc Furnace (EAF) dust. In the experimental study, selective dissolution of zinc and other metals is investigated to acquire a recyclable leach residue. Based on the experimental and theoretical investigations, zinc could be extracted from the EAF dust and a recyclable leach residue produced, having chemical composition suitable as a feed material into electric arc furnace.

引用

页码：233 / 240

页数：8

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