Lightweight Artificial Aggregates Produced from Water Reservoir Sediment and Industrial Waste-Ecological and Technological Aspect.

IF 3.1 3区材料科学 Q3 CHEMISTRY, PHYSICAL

Materials Pub Date : 2025-05-30 DOI:10.3390/ma18112563

Adam Masłoń, Maksymilian Cieśla, Renata Gruca-Rokosz, Lesław Bichajło, Andrzej Nowotnik, Maciej Pytel, Kamil Gancarczyk, Marcin Chutkowski, Marek Potoczek, Małgorzata Franus, Katarzyna Kalinowska-Wichrowska

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Abstract

The use of mineral waste for the production of lightweight artificial aggregate is an important element of activities for sustainable development in construction and the implementation of the objectives of the circular economy. The article presents the physical, mechanical, and ecological properties of an innovative artificial aggregate produced from bottom sediments, concrete dust, and municipal solid waste incineration fly ash. The obtained research results confirm that the developed material achieves technological properties comparable to artificial aggregates available on the market, both commercial and those derived from recycling. However, the increased leachability of chlorides and sulphates remains a significant challenge, which may limit the scope of its applications. Despite this, the material shows the potential for use, among others, in the production of lightweight concrete. The analyses carried out have shown that the thermal hardening processes (200-400 °C) and autoclaving do not guarantee full immobilization of harmful substances contained in the raw materials for the production of this type of aggregate.

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水库泥沙和工业废弃物制备轻质人工集料——生态与技术研究

利用矿物废料生产轻质人工骨料是建筑业可持续发展和执行循环经济目标活动的一个重要组成部分。本文介绍了一种新型人工骨料的物理、力学和生态特性，该骨料由底部沉积物、混凝土粉尘和城市生活垃圾焚烧飞灰制成。所获得的研究结果证实，所开发的材料达到了与市场上现有的人工骨料相当的技术性能，无论是商业的还是回收利用的。然而，增加氯化物和硫酸盐的浸出性仍然是一个重大挑战，这可能限制其应用范围。尽管如此，这种材料在生产轻质混凝土方面显示出潜在的用途。所进行的分析表明，热硬化过程（200-400°C）和高压灭菌并不能保证生产这种骨料的原材料中含有的有害物质完全固定。

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来源期刊

Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

5.80

自引率

14.70%

发文量

7753

审稿时长

1.2 months

期刊介绍： Materials (ISSN 1996-1944) is an open access journal of related scientific research and technology development. It publishes reviews, regular research papers (articles) and short communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Materials provides a forum for publishing papers which advance the in-depth understanding of the relationship between the structure, the properties or the functions of all kinds of materials. Chemical syntheses, chemical structures and mechanical, chemical, electronic, magnetic and optical properties and various applications will be considered.