锂渣在建筑领域资源化应用的研究进展  

Research progress on resource utilization of lithium slag in construction field

作　　者：李壮壮 杨佳[1,2,3] 杨春峰 赵钧龙[1] 潘少阳 LI Zhuangzhuang;YANG Jia;YANG Chunfeng;ZHAO Junlong;PAN Shaoyang(School of Architectural Engineering,Shenyang University,Shenyang 110044,China;Northeast Geological S&T Innovation Center of China Geological Survey,Shenyang 110031,China;Shenyang Key Laboratory of Safety Evaluation and Disaster Prevention of Engineering Structures,Shenyang 110044,China)

机构地区：[1]沈阳大学建筑工程学院,辽宁沈阳110044 [2]东北地质科技创新中心,辽宁沈阳110031 [3]沈阳市工程结构安全评估与防控重点实验室,辽宁沈阳110044

出　　处：《混凝土》2024年第6期155-160,165,共7页Concrete

基　　金：中国地质调查局东北地质科技创新中心区创基金(QCJJ2023-56);辽宁省大学生创新创业计划项目(S202311035100);辽宁省社会科学规划基金青年项目(L22CGL018)。

摘　　要：锂渣是开采和提炼锂矿资源过程中产生的废渣,其含有大量的SiO_(2)和Al_(2)O_(3),可作为辅助胶凝材料应用于建筑领域中,能够显著提高材料的各项性能。介绍了锂渣的理化性质及活化方法,包括原状锂渣的特性、不同活化方式对活性的影响。总结了锂渣作为辅助性胶凝材料的研究进展,强调了其对水泥基材料力学性能和耐久性的改善作用,以及通过物理活化和化学活化改善锂渣活性的方法。探讨了锂渣与多元固废协同应用的潜力,并介绍了锂渣用于制备骨料的创新研究。最后指出仍需进一步改善锂渣的活化方式,优化与多元固废的协同应用,进行环境评价是未来研究的重点。Lithium slag is a waste residue generated during the extraction and extraction of lithium ore resources,which contains a large amount of SiO_(2) and Al_2O_3.It can be used as a supplementary cementitious material in the construction field,significantly improving the various properties of the material.Introduced the physicochemical properties and activation methods of lithium slag,including the characteristics of the original lithium slag and the influence of different activation methods on its activity.Summarized the research progress of lithium slag as a supplementary cementitious material,emphasized its improvement effect on the mechanical properties and durability of cement-based materials,and methods for improving the activity of lithium slag through physical and chemical activation.Explored the potential of synergistic application of lithium slag and multiple solid wastes,and introduced innovative research on the use of lithium slag in the preparation of aggregates.Finally,it is pointed out that further improvement is needed in the activation method of lithium slag,optimization of synergistic application with multiple solid wastes,and environmental evaluation are the focus of future research.

关 键 词：锂渣 辅助性胶凝材料 理化性质 活化方式 多元固废 

分 类 号：TU528.041[建筑科学—建筑技术科学]