basic oxygen steelmaking
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2021 ◽  
Vol 03 (03) ◽  
pp. 1-1
Author(s):  
Lucy V. Fisher ◽  
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Andrew R. Barron ◽  
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◽  
...  

One of the largest problems facing the steelmaking industry is the high amount of waste currently produced and the low amount of waste that is currently recycled. This study aims to look at the suitability of 3 different samples of basic oxygen steelmaking (BOS) slag as a construction material, in concert with their carbon capture capacity. Characterization by scanning electron microscopy (SEM), X-ray diffraction (XRD), inductively coupled plasma spectroscopy (ICP), X-ray fluorescence (XRF), CO2 adsorption analysis, and thermogravimetric analysis (TGA) demonstrated that these BOS slags were found to have several favorable characteristics making them suitable for reuse as construction material.


2020 ◽  
Vol 92 (1) ◽  
pp. 2000282
Author(s):  
Lotte De Vos ◽  
Vincent Cnockaert ◽  
Inge Bellemans ◽  
Carina Vercruyssen ◽  
Kim Verbeken

Materials ◽  
2020 ◽  
Vol 13 (14) ◽  
pp. 3062
Author(s):  
Assel Jexembayeva ◽  
Talal Salem ◽  
Pengcheng Jiao ◽  
Bozhi Hou ◽  
Rimma Niyazbekova

Portland cement tends to exhibit negative environmental impacts; thus, it is required to find measures that will improve its green credentials. In this study, we report a blended Portland slag cement as an alternative environmentally-friendly building material in order to reduce the total carbon footprint resulted from the production of the ordinary Portland cement (OPC), which may resolve the environmental issues associated with carbon dioxide emissions. The ordinary Portland cement type I enhanced by basic oxygen steelmaking slag (BOF) is produced and casted into cubic and beam-like samples for the compressive and three-point bending tests, and the compressive and flexural strengths are experimentally measured. Numerical simulations are conducted to compare with the experimental result and satisfactory agreements are obtained. X-ray diffraction (XRD) investigations and porosity tests are then carried out using the semi-adiabatic calorimetry, which indicates that 5% BOF is the optimal ratio to accelerate the hydration process while increasing the amount of hydration products, especially at the early curing age of 3 days. Scanning electron microscope (SEM) images further indicate that BOF can be used to prevent the development of microcracks while mitigating their propagation within cement mortar. Our study indicates that the compressive strength of OPC can be critically increased by BOF at the relatively low concentrations of 5%. The blended slag cement reported in this paper provides advanced understanding on the green building material that uses byproduct wastes for the mechanical and electrical performance.


2020 ◽  
Vol 51 (5) ◽  
pp. 2021-2029
Author(s):  
Rui Zhang ◽  
Yu Wang ◽  
Xuan Zhao ◽  
Jixiang Jia ◽  
Chengjun Liu ◽  
...  

2020 ◽  
Vol 385 ◽  
pp. 121592 ◽  
Author(s):  
Huibin Li ◽  
David J. Pinson ◽  
Paul Zulli ◽  
Liming Lu ◽  
Raymond J. Longbottom ◽  
...  

2020 ◽  
Vol 60 (2) ◽  
pp. 212-219 ◽  
Author(s):  
Rui Zhang ◽  
Yi Min ◽  
Yu Wang ◽  
Xuan Zhao ◽  
Chengjun Liu

Author(s):  
Talal Salem ◽  
Pengcheng Jiao ◽  
Nizar Lajnef ◽  
Assel Jexembayeva ◽  
Rimma Niyazbekova

2019 ◽  
Vol 59 (5) ◽  
pp. 839-847
Author(s):  
Phillip Brian Drain ◽  
Brian Joseph Monaghan ◽  
Raymond James Longbottom ◽  
Michael Wallace Chapman ◽  
Guangqing Zhang ◽  
...  

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