Effect of iron oxidation state for copper recovery from nickel laterite leach solution using chelating resin

Autor(es)

Botelho Junior, Amilton Barbosa ^[1] ; Vicente, Andre De Albuquerque ^[2] ; Romano Espinosa, Denise Crocce ^[1] ; Soares Tenorio, Jorge Alberto ^[1]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Polytech Sch, Dept Chem Engn, Rua do Lago 250, 2 Floor, BR-05508080 Sao Paulo, SP - Brazil

^[2] CBMM, Prod Dev, Araxa, MG - Brazil

• Tipo de documento: Artigo Científico
• Fonte: SEPARATION SCIENCE AND TECHNOLOGY; v. 55, n. 4, p. 788-798, MAR 3 2020.
• Citações Web of Science: 6

Resumo

The goal of this work was to study the effect of iron oxidation state for Cu(II) recovery. Two different solutions of nickel laterite leach were prepared with Fe(III) and with Fe(II) for the experiments. FTIR of the chelating resin were analyzed before and after metals adsorption. Kinetics and thermodynamics of metals adsorption were studied in batch. Column experiments were performed to study the effect of iron oxidation state on Cu(II) adsorption. Results indicated that Cu(II) recovery was strongly related to iron oxidation state. Cu(II) adsorption was higher in solution with Fe(II) than with Fe(III). Temperature decreased Cu(II) adsorption. Column experiments showed that Fe(II) reached rapidly the equilibrium during the feeding step, and it was lower adsorbed than Fe(III). (AU)

• Processo FAPESP: 16/05527-5 - Separação de metais a partir de líquor sulfúrico de resíduo de mineração utilizando resinas quelantes
• Beneficiário: Amilton Barbosa Botelho Junior
• Modalidade de apoio: Bolsas no Brasil - Mestrado
• Processo FAPESP: 17/06563-8 - Influência do agente redutor no liquor sulfúrico de resíduo de mineração no processo de troca-iônica utilizando resina quelante
• Beneficiário: Amilton Barbosa Botelho Junior
• Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Mestrado
• Processo FAPESP: 12/51871-9 - Estudo de novas tecnologias e rotas de processamento para o tratamento e reciclagem de resíduos sólidos
• Beneficiário: Jorge Alberto Soares Tenório
• Modalidade de apoio: Auxílio à Pesquisa - Temático