铁尾矿在电磁吸波建筑材料中的研究进展

摘要/Abstract

摘要： 铁尾矿是我国大宗工业固废的主要组成部分,库存量大,若不加以处理,将会造成环境污染风险和二次资源浪费,如何高效资源化利用铁尾矿是安全消纳大宗工业固废的重要保障。本文基于铁尾矿的基本性质和利用途径,以及电磁吸波原理,主要介绍了铁尾矿及其改性电磁吸波材料研究,以及铁尾矿在水泥基吸波混凝土和地质聚合物吸波胶凝材料中的研究,着重阐述了铁尾矿在水泥基混凝土中的吸波性能和机理研究进展,探讨了通过地质聚合反应制备铁尾矿基地质聚合物吸波混凝土的可行性及其性能,可为铁尾矿基地质聚合物在多功能建筑材料方面的应用提供借鉴,为提高铁尾矿固废资源的综合利用率,解决尾矿堆积、环境污染等问题提供解决思路。本文旨在总结铁尾矿在吸波建筑材料的研究进展并进一步推动地质聚合物吸波建筑材料的发展。

关键词: 铁尾矿, 电磁吸波混凝土, 综合利用, 地质聚合反应, 反射率

Abstract: Iron tailings are the main component of bulk industrial solid waste in China. Iron tailings have large inventory, which will cause environmental pollution risk and secondary resource waste if left untreated. How to efficiently utilize iron tailings as resources is an important guarantee for safe consumption of bulk industrial solid waste. Based on the basic properties and utilization way of iron tailings and the principle of electromagnetic wave absorption, this paper mainly introduced the research of iron tailings and its modified electromagnetic wave absorbing materials, iron tailings in cement-based wave absorbing concrete and geopolymer wave absorbing cementitious materials, focusing on the research progress of the wave absorbing properties and mechanism of iron tailings in cement-based concrete. The feasibility and performance of preparing iron tailings-based geopolymer wave absorbing concrete by geopolymerization reaction were discussed, which provides implications for the application of iron tailings-based geopolymers in multifunctional building materials, provides solution ideas to improve the comprehensive utilization rate of iron tailings solid waste resources, and solves the problems of tailings accumulation and environmental pollution. The purpose of this paper is to summarize the research progress of iron tailings in wave absorbing building materials, and further promotes the development of geopolymer wave absorbing building materials.

Key words: iron tailing, electromagnetic wave absorbing concrete, comprehensive utilization, geopolymerization reaction, reflectivity

中图分类号:

TD985

宁旭文, 杨浪, 饶峰, 孙传琳, 方屹, 张凯铭. 铁尾矿在电磁吸波建筑材料中的研究进展[J]. 硅酸盐通报, 2023, 42(3): 925-938.

NING Xuwen, YANG Lang, RAO Feng, SUN Chuanlin, FANG Yi, ZHANG Kaiming. Research Progress of Iron Tailings in Electromagnetic Wave Absorbing Building Materials[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(3): 925-938.

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