METALS RECOVERY FROM THE PRESSURE OXIDATION STAGE EFFLUENT VIA ION EXCHANGE RESIN

METALS RECOVERY FROM THE PRESSURE OXIDATION STAGE EFFLUENT VIA ION EXCHANGE RESIN

LEBRON, YURI ABNER ROCHA; AMARAL, MíRIAM CRISTINA SANTOS; MOREIRA, VICTOR REZENDE; FOUREAUX, ANA FLáVIA SOUZA; SANTOS, LUCILAINE VALÉRIA DE SOUZA

Artigo:

The pressure oxidation process (POX) is frequently employed as a pre-oxidation step for refractory gold ores. This stage is responsible for the generation of a large volume of liquid effluents. Those are characterized by its high acidity and substantial metal content. Thus, in this study a cationic resin was employed, in different concentrations, to recover metals from a synthetic effluent. High correlation coefficients were found for the relationship between resin concentration and metal removal efficiency (R2 > 89). Higher removal efficiency was observed for aluminum (97%), followed by manganese (91.7%), calcium (85.7%), nickel (83.8%), iron (83.7%), copper (82.7%) and manganese (82.6%). Showing that the cation exchange resin was able to recover high concentrations of metals in a complex medium.

The pressure oxidation process (POX) is frequently employed as a pre-oxidation step for refractory gold ores. This stage is responsible for the generation of a large volume of liquid effluents. Those are characterized by its high acidity and substantial metal content. Thus, in this study a cationic resin was employed, in different concentrations, to recover metals from a synthetic effluent. High correlation coefficients were found for the relationship between resin concentration and metal removal efficiency (R2 > 89). Higher removal efficiency was observed for aluminum (97%), followed by manganese (91.7%), calcium (85.7%), nickel (83.8%), iron (83.7%), copper (82.7%) and manganese (82.6%). Showing that the cation exchange resin was able to recover high concentrations of metals in a complex medium.

Palavras-chave:

DOI: 10.5151/cobecic2019-EAT10

Referências bibliográficas

• [1]

Como citar:

LEBRON, YURI ABNER ROCHA; AMARAL, MíRIAM CRISTINA SANTOS; MOREIRA, VICTOR REZENDE; FOUREAUX, ANA FLáVIA SOUZA; SANTOS, LUCILAINE VALÉRIA DE SOUZA; "METALS RECOVERY FROM THE PRESSURE OXIDATION STAGE EFFLUENT VIA ION EXCHANGE RESIN", p-1-6. In: Anais do XIII Congresso Brasileiro de Engenharia Química em Iniciação Científica. São Paulo: Blucher, 2019.
ISSN 23591757, DOI 10.5151/cobecic2019-EAT10