Comprehensive Utilization of Metallurgical Slag Resources

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Extractive Metallurgy".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 3411

Special Issue Editors


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Guest Editor
School of Metallurgical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
Interests: metallurgical solid waste; comprehensive utilization; thermodynamic; ferrous metallurgy

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Guest Editor
School of Metallurgical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
Interests: dust; kinetics; thermodynamic analysis; recycle; slag; solid waste

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Guest Editor
School of Metallurgical Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
Interests: metallurgical solid waste; comprehensive utilization; nonferrous metallurgy

Special Issue Information

Dear Colleagues,

As an important basic industry, the metallurgical industry provides important raw materials for social and economic development; however, the existing metallurgical production process inevitably produces a large quantity of metallurgical slag, and the utilization rate of the slag is still generally low. In the face of the increasing scarcity of resources, the use of these misplaced solid waste resources on a large scale with a high added value is a common concern in the industry. Due to the long production process of ferrous metals and the several varieties of nonferrous metal products, there are various types of metallurgical waste residues and significant differences in their performance, resulting in great variations in the difficulty of their utilization. Therefore, it is necessary to focus on the comprehensive utilization of various types of metallurgical slags and compile an issue on the latest progress of the resource utilization of metallurgical slags, which will significantly contribute to and improve the public understanding of the output and utilization of metallurgical slags and promote the technological progress of the industry.

This Special Issue focuses on the utilization of various types of metallurgical slags, including, but not limited to, slag, dust, and sludge from the steel smelting process; solid waste from the nonferrous smelting process, such as red mud, copper slag, nickel slag, lead, and zinc slag; and aluminum ash. All contributions addressing these subject areas are invited.

Prof. Dr. Xiaoming Li
Prof. Dr. Xiangdong Xing
Prof. Dr. Yaru Cui
Guest Editors

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Keywords

  • ferrous metallurgical slag
  • nonferrous metallurgical slag
  • metallurgical dust and mud
  • ferroalloy smelting slag
  • resource utilization
  • thermodynamics

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Published Papers (1 paper)

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Research

13 pages, 2777 KiB  
Article
Enhanced Strength and Electrical Conductivity in Graphite-Cement Mortars with Carbonized Titanium-Bearing Blast Furnace Slag as an Aggregate
by Chenjun Tang, Ming Xuan, Kexing Deng and Songlin Ran
Metals 2022, 12(5), 754; https://doi.org/10.3390/met12050754 - 28 Apr 2022
Cited by 3 | Viewed by 2343
Abstract
Titanium-containing carbide slag (TCS) is the product obtained by high-temperature carbothermal reduction in Titanium-bearing blast furnace slag (TBFS), which contains a large amount of TiC phase with excellent electrical conductivity. In this paper, conductive cement mortar was prepared with TCS as an aggregate [...] Read more.
Titanium-containing carbide slag (TCS) is the product obtained by high-temperature carbothermal reduction in Titanium-bearing blast furnace slag (TBFS), which contains a large amount of TiC phase with excellent electrical conductivity. In this paper, conductive cement mortar was prepared with TCS as an aggregate and graphite as a conductive phase. The content of graphite on the compressive strength and electrical resistivity of the prepared cement mortar was investigated. The results showed that the replacement of standard sand with TCS as an aggregate not only significantly reduced the electrical resistivity of the cement mortar, but also improved its compressive strength. When the graphite content was 10 wt%, the cement mortar with TCS as the aggregate exhibited excellent comprehensive performance with the 28d compressive strength of 34.0 MPa and the electrical resistivity of 2.9 Ω m in dry condition, respectively. The results of this paper provided a new way both for the utilization of TBFS and the preparation of conductive cement mortars. Full article
(This article belongs to the Special Issue Comprehensive Utilization of Metallurgical Slag Resources)
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