氧化铝生产2017 When using this LCA data set, users should be aware that the primary aluminum (PA) data is based on statistical sources whereas the secondary aluminum (SA) data primarily comes from literature. Users should also note that the background data is derived from the Chinese localized LCA database CAS RCEES 2018. Any extrapolation or modeling should take into account that the data is specific to the Chinese context and might not be directly applicable to other regions without adjustments for local conditions. Special attention should be paid to methodological consistency, especially when integrating this data with datasets from other geographic areas or time periods.