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\bibitem{Kim_etal2016} {\textquotedblleft}\textit{Valorization of stainless steel slag by selective chromium recovery and subsequent carbonation of the matrix material}{\textquotedblright}. Kim E, Spooren J, Broos K, Nielsen P, Horckmans L, Geurts R, Vrancken KC, Quaghebeur M, Journal of cleaner production \textbf{117}, 221 (2016).   http://doi.org/10.1016/J.JCLEPRO.2016.01.032

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