RESEARCH PROGRESS AND PROSPECT OF STEEL SLAG MODIFICATION

WANG Hui-gang; PENG Ben; YUE Chang-sheng; WU Long; QIU Gui-bo; BAI Zhi-tao; ZHANG Mei; GUO Min

doi:10.13205/j.hjgc.202005023

Volume 38 Issue 5

Aug. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(5): 133-137,106

WANG Hui-gang, PENG Ben, YUE Chang-sheng, WU Long, QIU Gui-bo, BAI Zhi-tao, ZHANG Mei, GUO Min. RESEARCH PROGRESS AND PROSPECT OF STEEL SLAG MODIFICATION[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 133-137,106. doi: 10.13205/j.hjgc.202005023

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WANG Hui-gang, PENG Ben, YUE Chang-sheng, WU Long, QIU Gui-bo, BAI Zhi-tao, ZHANG Mei, GUO Min. RESEARCH PROGRESS AND PROSPECT OF STEEL SLAG MODIFICATION[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(5): 133-137,106. doi: 10.13205/j.hjgc.202005023

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RESEARCH PROGRESS AND PROSPECT OF STEEL SLAG MODIFICATION

doi: 10.13205/j.hjgc.202005023

1. Central Research Institute of Building and Construction Co., Ltd, MCC Group, Beijing 100088, China;
2. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China

Received Date: 2019-06-28

Abstract

Abstract

Steel slag production quantity is huge in China. With the increasingly strict environmental protection requirements in China, the modification of steel slag to make steel slag resource utilization becomes an urgent task. This paper briefly described the characteristics of the steel slag and the problems of resource utilization. The research progress of steel slag modification was reviewed. Combined with the characteristics of the existing steel slag modification process, the paper pointed out that the hot steel slag carbonation modification could not only make full use of the huge thermal energy of the steel slag itself, but also achieve the reduction of CO₂ emission in steel plant, and realize the improvement of steel slag stability and gelation performance. Therefore, the process was also the development direction of steel slag modification in the future.
- steel slag,
- modification,
- carbonation

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