Geopolymerization of Recycled Glass Waste: A Sustainable Solution for a Lightweight and Fire-Resistant Material

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2024-02-07 DOI:10.3390/recycling9010016

Marios Valanides, Konstantinos Aivaliotis, K. Oikonomopoulou, Alexandros Fikardos, P. Savva, K. Sakkas, D. Nicolaides

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Abstract

Glass is considered a sustainable material with achievable recovery rates within the EU. However, there are limited data available for construction glass waste management. Furthermore, glass is a heavy material, and considering the geographical limitations of Cyprus, the transportation trading cost within the EU is extremely high. Therefore, another method for utilizing this by-product should be developed. The aim of this research is to investigate the production of a low-cost, lightweight and fireproof material able to retain its structural integrity, using the geopolymerization method with the incorporation of randomly collected construction glass waste. The glass waste was initially processed in a Los Angeles abrasion machine and then through a Micro-Deval apparatus in order to be converted to a fine powder. Mechanical (compressive and flexural strength), physical (setting time and water absorption) and thermal properties (thermal conductivity) were investigated. The fire-resistant materials presented densities averaging 450 kg/m3 with a range of compressive strengths of 0.5 to 3 MPa. Additionally, a techno-economic analysis was conducted to evaluate the viability of the adopted material. Based on the results, the final geopolymer product has the potential to be utilized as a fire resistance material, preventing yielding or spalling.

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回收玻璃废料的土工聚合：轻质防火材料的可持续解决方案

玻璃被认为是一种可持续材料，其回收率在欧盟范围内是可以达到的。然而，有关建筑玻璃废物管理的数据十分有限。此外，玻璃是一种重型材料，考虑到塞浦路斯的地理限制，欧盟内部的运输贸易成本极高。因此，应开发另一种方法来利用这种副产品。本研究的目的是调查如何利用土工聚合法生产一种低成本、轻质、防火且能保持结构完整性的材料，并在其中加入随机收集的建筑玻璃废料。玻璃废料首先在洛杉矶研磨机中进行处理，然后通过 Micro-Deval 设备转化为细粉。对材料的机械性能（抗压和抗折强度）、物理性能（凝固时间和吸水性）和热性能（导热性）进行了研究。耐火材料的密度平均为 450 公斤/立方米，抗压强度范围为 0.5 至 3 兆帕。此外，还进行了技术经济分析，以评估所采用材料的可行性。根据分析结果，最终的土工聚合物产品有可能用作防火材料，防止屈服或剥落。

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.