Carbon dioxide reduction through mineral carbonation by steel slag

IF 5.9 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Yongpeng Zhang , Yimei Ying , Lei Xing , Guoxiong Zhan , Yanli Deng , Zhen Chen , Junhua Li
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引用次数: 0

Abstract

Carbon dioxide (CO2) mineralization technology has attracted significant attention, due to the synergistic terminal treatment of CO2 and industrial waste. The combined CO2 mineralization process with steel enterprises is a promising route to simultaneously address CO2 emissions and SS treatment. Recently, a serial of the relevant work focus on a single type of steel slag (SS), and the understanding of CO2 absorption by mineralization of various SS is very lacking. Meanwhile, it is urgent requirement for systematic summary and discussion on how to make full use of the mineralized products produced after the mineralization of CO2 in SS. This review aims to investigate the progress of CO2 mineralization using SS, including the potential applications of mineralization products, as well as the environmental impact and risk assessment of mineralization product applications. Currently, the application of SS mineralization products is primarily focused on their use as construction materials with low economic value. With usage of the mineralization products for ecological restoration (e.g. sandy soil remediation) was treated as an advanced route, but still remaining challenge in functional materials preparation, and its technical economy and possible hazards need to be further explored by long-term experimental tests.

Abstract Image

通过钢渣的矿物碳化作用降低二氧化碳含量
二氧化碳(CO2)矿化技术因其对二氧化碳和工业废物的协同终端处理而备受关注。与钢铁企业相结合的二氧化碳矿化工艺是同时解决二氧化碳排放和钢渣处理问题的一条前景广阔的途径。最近,一系列相关工作都集中在单一类型的钢渣(SS)上,对各种钢渣矿化吸收 CO2 的了解非常缺乏。同时,如何充分利用 SS 中 CO2 矿化后产生的矿化产物,也迫切需要系统的总结和探讨。本综述旨在研究利用 SS 进行 CO2 矿化的进展,包括矿化产物的潜在应用,以及矿化产物应用的环境影响和风险评估。目前,SS 矿化产品的应用主要集中在作为经济价值较低的建筑材料。将矿化产品用于生态修复(如沙质土壤修复)被视为一种先进的途径,但在功能材料制备方面仍存在挑战,其技术经济性和可能的危害需要通过长期的实验测试来进一步探索。
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来源期刊
Journal of Environmental Sciences-china
Journal of Environmental Sciences-china 环境科学-环境科学
CiteScore
13.70
自引率
0.00%
发文量
6354
审稿时长
2.6 months
期刊介绍: The Journal of Environmental Sciences is an international journal started in 1989. The journal is devoted to publish original, peer-reviewed research papers on main aspects of environmental sciences, such as environmental chemistry, environmental biology, ecology, geosciences and environmental physics. Appropriate subjects include basic and applied research on atmospheric, terrestrial and aquatic environments, pollution control and abatement technology, conservation of natural resources, environmental health and toxicology. Announcements of international environmental science meetings and other recent information are also included.
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