Special Issue “Mineral Composite Materials Produced with Waste/Recycled Components”—Editorial Note and Critical Review of the Problems

Stempkowska, Agata; Gawenda, T.

doi:10.3390/ma16113911

Materials

2023

DOI: 10.3390/ma16113911

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Special Issue “Mineral Composite Materials Produced with Waste/Recycled Components”—Editorial Note and Critical Review of the Problems

Agata Stempkowska

T. Gawenda

Abstract: Modern materials science encompasses a range of interdisciplinary issues and goes beyond the conventional curricula of universities and technical courses [...]

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Cited by 2 publications

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Artificial lightweight aggregate made from alternative and waste raw materials, hardened using the hybrid method

Stempkowska,

Gawenda

2024

Sci Rep

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Lightweight aggregates are a material used in many industries. A huge amount of this material is used in construction and architecture. For the most part, lightweight construction aggregates are obtained from natural resources such as clay raw materials that have the ability to swell at high temperatures. Resources of these clays are limited and not available everywhere. Therefore, opportunities are being sought to produce lightweight artificial aggregates that have interesting performance characteristics due to their properties. For example, special preparation techniques can reduce or increase the water absorption of such an aggregate depending on the needs and application. The production of artificial lightweight aggregate using various types of waste materials is environmentally friendly as it reduces the depletion of natural resources. Therefore, this article proposes a method of obtaining artificial lightweight aggregate consolidated using two methods: drum and dynamic granulation. Hardening was achieved using combined methods: sintering and hydration, trying to maintain the highest possible porosity. Waste materials were used, such as dust from construction rubble and residues from the processing of PET bottles, as well as clay from the Bełchatów mine as a raw material accompanying the lignite overburden. High open porosity of the aggregates was achieved, above 30%, low apparent density of 1.23 g/cm3, low leachability of approximately 250 µS. The produced lightweight aggregates could ultimately be used in green roofs.

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Artificial lightweight aggregate made from alternative and waste raw materials, hardened using the hybrid method

Stempkowska,

Gawenda

2024

Sci Rep

View full text Add to dashboard Cite

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Sustainable Manufacturing of High-Performance Composites from Recycled Materials

Sonia,

Kumar,

Khan

et al. 2023

E3S Web Conf.

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The increasing environmental issues linked to traditional petroleum-based packaging materials have stimulated a rising curiosity in investigating sustainable alternatives, especially in the field of food packaging. The present study investigates the characterisation of bio-based materials that have the potential to significantly transform food packaging applications. The main aim of this study is to evaluate the feasibility of using these materials as ecologically sustainable substitutes, taking into account their physical, mechanical, barrier, and thermal characteristics. The study process includes the careful selection of a wide array of bio-based materials, such as biopolymers derived from agricultural wastes, chemicals derived from algae, and derivatives of cellulose. The findings from the characterization provide insight into the complex attributes of these bio-based materials, elucidating their advantages and disadvantages when compared to conventional packaging materials. The research findings presented in this study make a valuable contribution to the expanding corpus of information pertaining to sustainable packaging options. As there is a growing worldwide focus on reducing plastic waste and minimising ecological impacts, the findings of this research contribute to the promotion of a more sustainable approach to food packaging. These findings are in line with the concepts of a circular and bio-based economy.

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Special Issue “Mineral Composite Materials Produced with Waste/Recycled Components”—Editorial Note and Critical Review of the Problems

Abstract: Modern materials science encompasses a range of interdisciplinary issues and goes beyond the conventional curricula of universities and technical courses [...]

Cited by 2 publications

References 35 publications

Artificial lightweight aggregate made from alternative and waste raw materials, hardened using the hybrid method

Artificial lightweight aggregate made from alternative and waste raw materials, hardened using the hybrid method

Sustainable Manufacturing of High-Performance Composites from Recycled Materials

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