Karina Torres-Rivero

Sep 6, 2023 | mdpi.com | Karina Torres-Rivero |Julio Bastos-Arrieta |Antonio Florido |Vicenç Martí

3.1. Raw AMD and Treated Supernatant CharacterizationAs the analytical results showed, the original acid sample from Peña de Hierro mine (AMD0) had a very acidic pH with a high content of metals, metalloids, and sulfate (see Table 1). The major elements for the AMD0 were identified as Fe and Al; some minor elements such as Cu, Zn, and As, among others, were shown. Moreover, high conductivity can also be observed.