Synthesis of aluminum-mesoporous MCM-41 humidity control material from thin-film transistor liquid crystal display waste glass and sandblasting waste and its application

IF 2.7 4区材料科学 Q1 MATERIALS SCIENCE, CERAMICS Boletin de la Sociedad Espanola de Ceramica y Vidrio Pub Date : 2023-07-01 DOI:10.1016/j.bsecv.2022.06.003

Ya-Wen Lin , Wei-Hao Lee , Chiao-Ying Chen , Yan-Jun Liu , Wei-Qing Zhang , Mei-Yu Lin , Kae-Long Lin

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引用次数: 1

Abstract

The preparation of an aluminum-mesoporous A1-MCM-41 humidity control material (Al-MHCM) by hydrothermally synthesizing a mixture of thin-film transistor liquid crystal display (TFT-LCD) waste glass and sandblasting (SB) waste was studied. The product has a typical mesoporous structure, with a specific surface area of up to 1013 m²/g, the pore size distribution calculated is 3–4 nm, and the pore volume of 0.97 cm³/g. All the aluminum atoms of the product are in the form of tetrahedral aluminum in the framework, which confirms the successful synthesis of Al-MHCM. Results show that when the hydrothermal synthesis temperature is 105 °C, the product synthesized from a mixture with a Si/Al molar ratio of 41.8 exhibits excellent performance (91.45 m³/m³) in terms of the equilibrium moisture content and moisture adsorption capacity. The results confirm that the equilibrium moisture content of Al-MHCM is better than the rape straw concrete and hemp concrete (9.8–17.8 m³/m³), and that of a diatomite/ground calcium carbonate composite aterial (11.7 m³/m³). The research results are expected to provide a new technology for synthesizing TFT-LCD waste glass and SB waste into novel high value-added humidity control materials.

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用薄膜晶体管液晶显示器废玻璃和喷砂废料合成介孔铝MCM-41调湿材料及其应用

采用水热合成薄膜晶体管液晶显示器（TFT-LCD）废玻璃和喷砂（SB）废玻璃的混合物，制备了铝介孔Al-MCM-41湿度控制材料（Al-MHCM）。该产品具有典型的中孔结构，比表面积高达1013 m2/g，计算的孔径分布为3–4 nm，孔体积为0.97 cm3/g。该产品的所有铝原子在骨架中都是四面体铝的形式，这证实了Al-MHCM的成功合成。结果表明，当水热合成温度为105°C时，由Si/Al摩尔比为41.8的混合物合成的产物在平衡含水量和吸湿能力方面表现出优异的性能（91.45m3/m3）。研究结果证实，Al-MHCM的平衡含水量优于油菜秸秆混凝土和大麻混凝土（9.8–17.8 m3/m3），以及硅藻土/研磨碳酸钙复合材料（11.7 m3/m3。

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来源期刊

Boletin de la Sociedad Espanola de Ceramica y Vidrio 工程技术-材料科学：硅酸盐

CiteScore

5.50

自引率

2.90%

发文量

审稿时长

103 days

期刊介绍： The Journal of the Spanish Ceramic and Glass Society publishes scientific articles and communications describing original research and reviews relating to ceramic materials and glasses. The main interests are on novel generic science and technology establishing the relationships between synthesis, processing microstructure and properties of materials. Papers may deal with ceramics and glasses included in any of the conventional categories: structural, functional, traditional, composites and cultural heritage. The main objective of the Journal of the Spanish Ceramic and Glass Society is to sustain a high standard research quality by means of appropriate reviewing procedures.