USAGE OF STEEL SLAG AS A CONSTRUCTION MATERIAL AND IN ENVIRONMENTAL APPLICATIONS

IF 0.6 Q4 ENGINEERING, CIVIL
Nikolina Stjepanović, Davorka K. Hackenberger, B. Hackenberger, Luca Zelić
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引用次数: 1

Abstract

Steel slag is a by-product in the production of steel. An increase of its production results in more landfills. It is mostly used as a building material in the construction of roads, where it substitutes natural materials. The use of steel slag in road construction has multiple benefits; both by solving the challenges of waste disposal and preserving environmental resources by moderating the consumption of non-renewable and natural aggregates. Apart from being used as a building material, steel slag is also used in numerous environmental applications, such as soil and water remediation and CO2 sequestration. However, a multidisciplinary environmental impact study of steel slag, particularly regarding both the aquatic and terrestrial organisms, is lacking. Steel slag contains traces of potentially harmful elements that endanger these living organisms, including heavy metals released into the environment. A high pH value can also significantly influence their leaching properties, thereby affecting the organisms in the water and soil. Given the widespread utility of steel slag, it is recommended to make a thorough risk assessment associated with the various environmental applications of this material.
钢渣作为建筑材料和在环境中的应用
钢渣是炼钢过程中的副产品。其产量的增加导致更多的垃圾填埋场。它主要用作道路建设的建筑材料,在那里它取代了天然材料。在道路建设中使用钢渣具有多重效益;既要解决废物处理的挑战,又要通过减少不可再生和天然聚集体的消耗来保护环境资源。除了用作建筑材料外,钢渣还用于许多环境应用,例如土壤和水的修复以及二氧化碳的封存。然而,对钢渣的多学科环境影响的研究,特别是对水生和陆生生物的影响,还缺乏。钢渣中含有危害这些生物的潜在有害元素,包括释放到环境中的重金属。高pH值也会显著影响其淋滤特性,从而影响水和土壤中的生物。鉴于钢渣的广泛用途,建议对这种材料的各种环境应用进行彻底的风险评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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