Use of blast furnace slag in cementitious materials for pavements - Systematic literature review and eco-efficiency

磨细高炉矿渣 硅酸盐水泥 胶凝的 废物管理 水泥 环境科学 熔渣(焊接) 高炉 生命周期评估 原材料 工程类 材料科学 冶金 化学 生产(经济) 有机化学 经济 宏观经济学
作者
Lucas Henrique Pereira Silva,Victor Nehring,Fábio Friol Guedes de Paiva,Jacqueline Roberta Tamashiro,Adela P. Galvín,Antonio López-Uceda,Ângela Kinoshita
出处
期刊:Sustainable Chemistry and Pharmacy [Elsevier BV]
卷期号:33: 101030-101030 被引量:13
标识
DOI:10.1016/j.scp.2023.101030
摘要

To reduce the environmental impact of Portland cement manufacturing and increase profits, the industry has been using some waste in cement composition; and blast furnace slag is one of the most used for this purpose. Thus, this work aims to carry out a systematic review of recent scientific literature focusing on applications of the use of this residue in pavements. The keywords: "Blast Furnace Slag" and "Cement replacement"; were used in the search using the Web of Science database. A total of 3731 articles published in the last five years were found, in which 33, with the word "pavement", were selected. After applying the exclusion criteria, 20 articles were selected and analyzed for the present work. The main results published in the last five years that address the use of blast furnace slag in pavements, the effects on composites, the chemical composition and physical properties of the waste are summarized in this work. The highly cited articles, with more than 200 citations to date, dealing with the use of this residue in cementitious composites are also summarized. Additionally, based on the collected data, the life cycle assessment (LCA) was performed and showed that cement replacement by BFS reduces 48% CO2 emissions, saves 37% of energy, and provides 16.28% of cost economy in process. Therefore, this work demonstrates the high potential of this residue in contributing to the reduction of environmental impacts by reducing the extraction of raw materials, as well as by reducing the emission of polluting gases.
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