A factorial study was conducted on accelerated carbonation of BOF steel slag.
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The effects of pressure, CO2 concentration and temperature were investigated.
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The observed range of CO2 uptake was 67–536 g CO2/kg slag.
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The best carbonation conditions were achieved at 5 bar, 40% vol. CO2 and 50 °C.
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Elements including Ca, Mg, Fe, Mn and Zn were found to be involved in carbonation.
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