CASES: MINING TAILING TREATMENT

---CASE: COPPER (CU) MINE IN SWEDEN, 10 M³/H

RESULTING SAVINGS:

• 74% less sludge created
• Lower maintenance and replacement in pipes
• Water release can be instantaneous, reducing risk of dam ruptures
• Demonstrated that 120 tons of ZnS can be extracted from AMD

---Case: COPPER (CU) EFFICIENCE

RESULTING SAVINGS:

• >95% of Cu recovered after the first passage through selective extraction treatment
• In the second passage, other 95% of the remaining Cu were recovered

Exemplo de Drenagem Ácida

---Case: SELECTIVE COPPER (CU) EXTRACTION

---Case: COPPER (CU) PURIFICATION

• Copper sludge treated with acid
• PLS (5M) mix H2SO4/HNO3
• 99% copper in the extracted solution
• Acid can be reused – SELME ™ copper Extract as Product