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Minerals
Special Issues
Recycling and Utilization of Metallurgical and Chemical Solid Waste
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Recycling and Utilization of Metallurgical and Chemical Solid Waste

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Environmental Mineralogy and Biogeochemistry".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 419

Special Issue Editors

Dr. Yaguang Wang

E-Mail Website
Guest Editor
School of Civil Engineering and Architecture, Henan University, Kaifeng 475004, China
Interests: material utilization of solid waste; extraction of valuable elements from solid waste; low-carbon and carbon-fixation materials
Dr. Wei Zhang

E-Mail Website
Guest Editor
Department of Civil Engineering, Hebei Agricultural University, Baoding 071001, China
Interests: recycling of solid waste; collaborative utilization of multiple solid wastes; green and low-carbon cementitious materials

Special Issue Information

Dear Colleagues,

The discharge of solid waste is gradually increasing with the rapid development of urbanization and industrialization. The environmental pollution and resource waste caused by it are becoming increasingly prominent. How to effectively recycle and utilize solid waste and turn it into valuable resources has become a major issue faced by the world. The research on the recycling and utilization technology of solid waste is urgently warranted. This Special Issue aims to introduce and discuss mineralogical characteristics of solid waste, Moreover, the mineralogical changes of solid waste during its recycling and utilization in various fields, including building materials, extraction of valuable elements, stabilization and solidification of harmful elements, carbon sequestration and low-carbon materials, as well as energy storage materials and their impacts on the properties of related materials, are also discussed in this Special Issue.

We look forward to your contirubtions.

Dr. Yaguang Wang
Dr. Wei Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Minerals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aluminosilicate minerals
  • element extraction
  • harmful element solidification
  • carbonization
  • mineral transformation

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

14 pages, 8206 KiB  
Article
Mechanical, Chloride Resistance, and Microstructural Properties of Basalt Fiber-Reinforced Fly Ash–Silica Fume Composite Concrete
by Yishan Li, Yan Liu and Wei Zhang
Minerals 2025, 15(4), 348; https://doi.org/10.3390/min15040348 - 27 Mar 2025
Viewed by 210
Abstract
Basalt fiber has advantages in enhancing the mechanical properties of concrete, but the comprehensive effects of fiber content and length, as well as the relationship between mechanical and impermeability performance, remain unclear and require systematic verification. This study aims to quantify the effects [...] Read more.
Basalt fiber has advantages in enhancing the mechanical properties of concrete, but the comprehensive effects of fiber content and length, as well as the relationship between mechanical and impermeability performance, remain unclear and require systematic verification. This study aims to quantify the effects of basalt fiber content and length on mechanical properties (compressive strength, tensile strength, and flexural strength) and concrete permeability performance and reveal the underlying mechanisms. The macroscopic performance results indicate the following: (1) the optimum fiber content of compressive strength and flexural strength of basalt fiber-reinforced concrete is 1.5 kg/m3; (2) the optimum content of tensile strength is 1.0 kg/m3; and (3) the impermeability performance of the fiber-reinforced concrete is most significantly improved when the fiber content reaches 1.0 kg/m3 and the fiber length is 18 mm. During the permeability tests, a nonlinear functional relationship exists between two indicators, electric flux and chloride ion migration coefficient. Microscopic analysis showed that mineral admixtures (fly ash and silica fume) promoted the secondary hydration reaction in the cementitious material, generating a significant amount of C-(A)-S-H gels to increase the density of the concrete matrix. After incorporating basalt fibers, they tightly envelop the concrete matrix, reducing the number of internal voids and achieving a synergistic stress-bearing effect with the concrete, confirming that the addition of fibers optimizes the mechanical and impermeability properties of the concrete. This study provides a quantitative reference for the basalt fiber reinforcement design of engineering concrete structures and helps extend the service life of concrete buildings. Full article
(This article belongs to the Special Issue Recycling and Utilization of Metallurgical and Chemical Solid Waste)
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