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Mineral Composite Materials Produced with Waste/Recycled Components
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Mineral Composite Materials Produced with Waste/Recycled Components

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 6577

Special Issue Editors

Dr. Agata Stempkowska

E-Mail Website
Guest Editor
Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, 30-094 Krakow, Poland
Interests: aggregate; mineral engineering; structrure chemistry; recycling; concrete
Prof. Dr. Tomasz Gawenda

E-Mail Website
Guest Editor
Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, 30-094 Krakow, Poland
Interests: aggregate; crushers; screen machines; mineral proccesing

Special Issue Information

Dear Colleagues,

Modern materials science includes a range of interdisciplinary issues and goes beyond the curriculum of traditional university and technical majors. In today's world, a holistic approach is important therefore waste materials should be treated as raw materials. Especially interesting seems to be the application of mineral as well as organic waste in advanced composites. In this special edition, we wanted to propose a wide range of materials, they can be artificially obtained aggregates, simple and polymeric concretes, clay-cement binders, granules working as sorbents, filtrates or soil substrates and many others. The common feature is to be waste/recycled raw materials are treated as a full component of the composites produced.

I am pleased to invite you to submit a manuscript for this Special Issue. Full papers, communications and reviews are welcome. We encourage authors to submit unexpected and novel research results related to the use of components considered waste or recycled.

Dr. Agata Stempkowska
Prof. Dr. Tomasz Gawenda
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. Materials is an international peer-reviewed open access semimonthly 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 2600 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.

Published Papers (4 papers)

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Editorial

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9 pages, 621 KiB  
Editorial
Special Issue “Mineral Composite Materials Produced with Waste/Recycled Components”—Editorial Note and Critical Review of the Problems
by Agata Stempkowska and Tomasz Gawenda
Materials 2023, 16(11), 3911; https://doi.org/10.3390/ma16113911 - 23 May 2023
Cited by 1 | Viewed by 804
Abstract
Modern materials science encompasses a range of interdisciplinary issues and goes beyond the conventional curricula of universities and technical courses [...] Full article
(This article belongs to the Special Issue Mineral Composite Materials Produced with Waste/Recycled Components)
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Research

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12 pages, 3365 KiB  
Article
Use of Post-Flotation Solidified Tailings from Copper Production for Ceramic Tile Production
by Piotr Izak, Yurii Delikhovskyi and Andrzej Olszyna
Materials 2023, 16(1), 132; https://doi.org/10.3390/ma16010132 - 23 Dec 2022
Cited by 2 | Viewed by 1567
Abstract
The development of the mining industry has resulted in the accumulation of large amounts of waste, which effectively degrades the environment. The aim of this study is to check whether the addition of post-flotation sludge from copper production to the typical ceramic mass [...] Read more.
The development of the mining industry has resulted in the accumulation of large amounts of waste, which effectively degrades the environment. The aim of this study is to check whether the addition of post-flotation sludge from copper production to the typical ceramic mass of the “gress porcelanato” will allow to obtain qualified sintered or faience tiles. By adding successive amounts of post-flotation sludge to the high-quality lamellar mass, typical parameters such as firing shrinkage, water absorbability and bending strength after firing were assessed. The structure of the obtained ceramic materials, using scanning electron microscopy (SEM with EDS), was also determined. Obtaining positive results would allow not only to significantly reduce the production costs of ceramic tiles, because the sludge is finely divided and no grinding is necessary, but, above all, will allow to eliminate the environmental risk. The present study has shown that it is possible to introduce up to 20% post-flotation sludge for gres porcellanato tile production and up to 50% post-flotation slugde for faience tile production. Both types of ceramic materials with an appropriate proportion of sludge, meet the requirements of tile standards in terms of mechanical strength and water absorption. Full article
(This article belongs to the Special Issue Mineral Composite Materials Produced with Waste/Recycled Components)
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14 pages, 5659 KiB  
Article
Effect of Granite Powder Grain Size and Grinding Time of the Properties of Cementitious Composites
by Agata Stempkowska, Tomasz Gawenda, Adrian Chajec and Łukasz Sadowski
Materials 2022, 15(24), 8837; https://doi.org/10.3390/ma15248837 - 10 Dec 2022
Cited by 4 | Viewed by 1089
Abstract
The purpose of this article is to determine the effect of granite powder grain size and grinding time on the properties of cement paste. A series of cement pastes modified by the addition of granite powder were made and the properties of the [...] Read more.
The purpose of this article is to determine the effect of granite powder grain size and grinding time on the properties of cement paste. A series of cement pastes modified by the addition of granite powder were made and the properties of the fresh mixtures and the mechanical properties of hardened pastes were studied. Based on the study, the best results, from the point of view of the application of granite powder in cementitious composites, were obtained for a sample with granite powder ground for 3 h, in which 50% of the particles were smaller than 4 μm, and 90% were below 20 μm. Compressive strength of 55 MPa and flexural strength of 6.8 MPa were obtained on this sample after aging for 28 days. To confirm the validity of using granite powder as substitute materials, additional tests such as scanning microscopy with elemental analysis (SEM, EDS) and infrared (FTIR) studies were performed. Full article
(This article belongs to the Special Issue Mineral Composite Materials Produced with Waste/Recycled Components)
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Review

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29 pages, 4645 KiB  
Review
Review in Waste Tire Management—Potential Applications in Mitigating Environmental Pollution
by Dorota Czarna-Juszkiewicz, Piotr Kunecki, Justyna Cader and Magdalena Wdowin
Materials 2023, 16(17), 5771; https://doi.org/10.3390/ma16175771 - 23 Aug 2023
Cited by 4 | Viewed by 2430
Abstract
Increasing year-by-year vehicle production is related to the expanding volume of used tires; therefore, exploring waste management strategies is strongly recommended. The global tire market reached 2.27 billion units in 2021 and is expected to reach 2.67 billion units by 2027. Dumping tires [...] Read more.
Increasing year-by-year vehicle production is related to the expanding volume of used tires; therefore, exploring waste management strategies is strongly recommended. The global tire market reached 2.27 billion units in 2021 and is expected to reach 2.67 billion units by 2027. Dumping tires in landfills can cause significant environmental impacts, so waste tire utilisation plays an important role. Predominantly, the following three directions are employed for waste tire disposal: retreading, energy recovery and material recovery. The review shows that used tires can remove environmental pollution from both aqueous solutions containing heavy metal ions, dyes, pharmaceutical compounds, and benzene, toluene, ethylbenzene and xylene (BTEX). Particularly high efficiency was achieved in the removal of dyes (72%), taking into account the high initial concentration of impurities. The adsorption process depends on multiple factors, including, in particular, the following: pH, initial concentration of pollution, contact time and the properties of the sorbent used. The optimal pH range was identified to be between 6 and 7. Considering the principles of circular economy as well as based on the current state of knowledge, it can be concluded that the solid fraction obtained from the combustion of waste tires can be practically utilised for various environmental purposes. Full article
(This article belongs to the Special Issue Mineral Composite Materials Produced with Waste/Recycled Components)
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