Research Article
Innovative Methodology for Sulfur Release from Copper Tailings by the Oxidation Roasting Process
Table 2
Acid-producing potential of the copper tailings.
| | Experimental parameter | Result | Classification | Category |
| | pH | 6.32 | | Potentially acid-generating | | EC (ds m−1) | 1105 | | | ANC (kgH2SO4.t−1) | 88.2 | | | NAPP (kgH2SO4.t−1) | 634.43 | >20 | | NAG (kgH2SO4.t−1) | 217.56 | | | APR | 0.255 | <1 |
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