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Minerals
Special Issues
Recycling of Mining and Solid Wastes
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Recycling of Mining and Solid Wastes

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Processing and Extractive Metallurgy".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 1078

Special Issue Editors

Prof. Dr. Weslei Monteiro Ambros

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Guest Editor
Mineral Processing Laboratory, Federal University of Rio Grande do Sul, 9500 Bento Gonçalves Avenue, Porto Alegre 91501-970, Brazil
Interests: mineral processing; extractive metallurgy; urban mining; gravity separation; granular materials; mass and energy balances
Special Issues, Collections and Topics in MDPI journals
Dr. Irineu Antonio Schadach Brum

E-Mail Website
Guest Editor
Mineral Processing Laboratory, Federal University of Rio Grande do Sul, 9500 Bento Gonçalves Avenue, Porto Alegre 91501-970, Brazil
Interests: waste recycling; emerging pollutants; mineral processing; froth flotation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The diminishing ore grades pose increasingly significant economic and sustainability challenges for primary extraction from ores. Simultaneously, each year witnesses the establishment of new records for solid waste production, and long-forgotten waste dumps are now being recognized as valuable reservoirs of raw materials. This shift has given rise to a prominent trend: the growing interest in extracting raw materials, particularly the scarcer ones, from secondary resources. This evolving field is now commonly referred to as "urban mining."

Within this context, this Special Issue is dedicated to the compilation and presentation of the latest advancements in the processing and extraction of raw materials from mining and solid waste. We cordially invite original research, comprehensive reviews, and technical papers addressing the treatment of mining and metallurgical waste sources (including waste rocks, tailings, slags, dust, and sludges) as well as solid waste widespread generated (plastics, construction and demolition waste, waste from electrical and electronic equipment, biomass, etc.). We are committed to providing a comprehensive platform for discussing these emerging challenges and opportunities in the field of solid waste recycling, fostering a deeper understanding of sustainable resource extraction from secondary resources.

In anticipation of your valuable contributions to this Special Issue, we look forward to collectively advancing our knowledge of sustainable waste recycling. Your insights are vital in shaping the future of resource management and environmental sustainability in a world where secondary resources play an increasingly critical role. We invite you to share the rich possibilities that the recycling of mining and solid wastes present, forging a path toward a more resource-efficient and sustainable future.

Prof. Dr. Weslei Monteiro Ambros
Dr. Irineu Antonio Schadach Brum
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

  • recycling
  • secondary resources
  • solid wastes
  • urban mining
  • mining wastes
  • metallurgical wastes
  • construction and demolition waste
  • e-waste

Published Papers (1 paper)

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Research

14 pages, 3808 KiB  
Article
Recovery of Demolished House Rocks from Construction and Demolition Waste with Water Jigs
by Artur Bressanelli Teixeira, Hassan Barkat, Carlos Hoffmann Sampaio and Josep Oliva Moncunill
Minerals 2024, 14(1), 39; https://doi.org/10.3390/min14010039 - 29 Dec 2023
Viewed by 826
Abstract
The European Union (EU) is responsible for generating quantities ranging from 310 to almost 700 million tons of construction and demolition waste (CDW) per year. Consisting of over 70% inert material (concrete, ceramics, plaster, bricks, and rocks), CDW can be recycled for various [...] Read more.
The European Union (EU) is responsible for generating quantities ranging from 310 to almost 700 million tons of construction and demolition waste (CDW) per year. Consisting of over 70% inert material (concrete, ceramics, plaster, bricks, and rocks), CDW can be recycled for various uses, and studies on the concentration of the materials of interest are necessary to improve the management of this material and reduce waste. In CDW recycling plants in Spain, there is a significant presence of limestone from old houses (a common material used in civil construction before new construction materials and technologies emerged) that were demolished and mixed with CDW that can be recovered for use as aggregates in concretes with process density concentration processes such as water jigging. The jigging process is based on the difference in density between materials, allowing the concentration of the densest material at the bottom of the jig. Concrete, conventional construction bricks, and rocks from old houses were taken separately and then were crushed and mixed based on binary and ternary tests, and each test was performed in this study by applying the jigging separation method. The physical characterization tests of these materials was carried out to observe the jigging performance in the concentration of rocks as well as the aggregates present in concrete. Binary tests (with two different materials) and ternary tests (with three different materials) were carried out to analyze the concentration of particles with a density greater than 2.55 g/cm3. The efficiency of jigging in the concentration of these materials was proven, and products were generated with more than 70% recovery of this material, with a concentration comprised of more than 95% rocks and concrete. Full article
(This article belongs to the Special Issue Recycling of Mining and Solid Wastes)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

1. Carlos Hoffmann Sampaio et.al Recovery of Demolished House Rocks from Construction and Demolition Waste with Water Jigs
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