# Life Cycle Assessment of Mortars Produced Partially Replacing Cement by Treated Mining Residues
## 4 Conclusions
All authors have read and agreed to the published version of the manuscript. This work has received funding from the European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No. 778045. The authors acknowledge the Portuguese Foundation for Science and Technology (FCT) for the support given to CENSE and CERIS through the strategic projects UIDB/04085/2020 and UIDB/04625/2020, respectively, and for [PERSON] fellowship PD/BD/135170/2017 from the EcoCoRe (Eco-Construction and Rehabilitation) Doctoral program. Not applicable. The authors declare no conflict of interest. \begin{table}
\begin{tabular}{l c c c c c c c} \hline \hline  & \multicolumn{8}{c}{**EP (kg POa\({}^{3-}\) eq.)**} \\ \cline{2-8}
**Motrar** & \multicolumn{2}{c}{**Cement**} & \multicolumn{2}{c}{**Disposal of Mining Residues**} & \multicolumn{2}{c}{**ED Mining Residues**} & \multicolumn{2}{c}{**TT Mining Residues**} & \multicolumn{1}{c}{**Sand**} & \multicolumn{1}{c}{**Water**} & \multicolumn{1}{c}{**Total**} \\ \cline{2-8}
**REF** & \(2.50\times 10^{-2}\) & \(1.58\times 10^{-2}\) & n.a. & n.a. & & & \(4.22\times 10^{-2}\) \\ ME10 & \(2.25\times 10^{-2}\) & n.a. & \(1.96\times 10^{-4}\) & n.a. & & & \(2.41\times 10^{-2}\) \\ ME25 & \(1.88\times 10^{-2}\) & n.a. & \(4.90\times 10^{-4}\) & n.a. & & & \(2.06\times 10^{-2}\) \\ ME50 & \(1.25\times 10^{-2}\) & n.a. & \(9.80\times 10^{-4}\) & n.a. & \(1.35\times 10^{-3}\) & \(5.54\times 10^{-6}\) & \(1.49\times 10^{-2}\) \\ MET10 & \(2.26\times 10^{-2}\) & n.a. & \(2.05\times 10^{-4}\) & \(9.49\times 10^{-4}\) & & & \(2.51\times 10^{-2}\) \\ MET25 & \(1.88\times 10^{-2}\) & n.a. & \(5.18\times 10^{-4}\) & \(2.39\times 10^{-3}\) & & & \(2.31\times 10^{-2}\) \\ MET50 & \(1.25\times 10^{-2}\) & n.a. & \(1.04\times 10^{-3}\) & \(4.79\times 10^{-3}\) & & & \(1.97\times 10^{-2}\) \\ \hline \hline \end{tabular} ED—Electrodialytic Treatment; TT—Thermal Treatment; EP—Eutrophication Potential; and n.a.—not applicable.  
\end{table} 
Table 6: Environmental impacts in the Eutrophication Potential category, from the production of 1 t of mortars with cement and treated mining residues as binder constituents. \begin{table}
\begin{tabular}{l c c c c c c c} \hline \hline  & \multicolumn{8}{c}{**OPOP (kg CFC-11 eq.)**} \\ \cline{2-7}
**Motrar** & \multicolumn{2}{c}{**Disposal of Mining Residues**} & \multicolumn{2}{c}{**ED Mining Residues**} & \multicolumn{1}{c}{**TT Mining Residues**} & \multicolumn{1}{c}{**Sand**} & \multicolumn{1}{c}{**Water**} & \multicolumn{1}{c}{**Total**} \\ \cline{2-7}
**REF** & \(1.58\times 10^{-8}\) & \(1.41\times 10^{-5}\) & n.a. & n.a. & & & \(1.44\times 10^{-5}\) \\ ME10 & \(1.43\times 10^{-8}\) & n.a. & \(5.74\times 10^{-8}\) & n.a. & & & \(3.28\times 10^{-7}\) \\ ME25 & \(1.19\times 10^{-8}\) & n.a. & \(1.44\times 10^{-7}\) & n.a. & & & \(4.11\times 10^{-7}\) \\ ME50 & \(7.92\times 10^{-9}\) & n.a. & \(2.87\times 10^{-7}\) & n.a. & \(2.55\times 10^{-7}\) & \(6.59\times 10^{-10}\) & \(5.51\times 10^{-7}\) \\ MET10 & \(1.43\times 10^{-8}\) & n.a. & \(6.01\times 10^{-8}\) & \(5.84\times 10^{-7}\) & & & \(9.14\times 10^{-7}\) \\ MET25 & \(1.19\times 10^{-8}\) & n.a. & \(1.52\times 10^{-7}\) & \(1.47\times 10^{-6}\) & & & \(1.89\times 10^{-6}\) \\ MET50 & \(7.92\times 10^{-9}\) & n.a. & \(3.03\times 10^{-7}\) & \(2.95\times 10^{-6}\) & & & \(3.51\times 10^{-6}\) \\ \hline \hline \end{tabular} ED—Electrodialytic Treatment; TT—Thermal Treatment; ODP—Ozone depletion Potential; and n.a.—not applicable.  
\end{table} 
Table 3: Environmental impacts in the Ozone Depletion Potential category, from the production of 1 t of mortars with cement and treated mining residues as binder constituents. \begin{table}
\begin{tabular}{l c c c c c c} \hline \hline  & \multicolumn{8}{c}{**AP (kg SO\({}_{2}\) eq.