Search Results - "Ladeira, A C Q"

Recovery of rare earth elements from acid mine drainage by ion exchange by Felipe, E. C. B., Batista, K. A., Ladeira, A. C. Q.

“…The current work addresses the study of the recovery of rare earth elements (REE) from acid mine water by using cationic exchange resin. The acid water was…”
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Treatment of effluents from uranium oxide production by Ladeira, A.C.Q, Gonçalves, J.S, Morais, C.A

“…The nuclear fuel cycle comprises a series of industrial processes which involve the production of electricity from uranium in nuclear power reactors. In Brazil…”
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Reduction of preg-robbing activity of carbonaceous gold ores with the utilization of surface blinding additives by Santiago, R.C.C., Ladeira, A.C.Q.

“…•The preg-robbing carbonaceous matter has structure similar to the anthracite coal.•The surface blinding additives are able to reduce the preg-robbing…”
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Mechanism of anion retention from EXAFS and density functional calculations: arsenic (V) adsorbed on gibbsite by Ladeira, A.C.Q., Ciminelli, V.S.T., Duarte, H.A., Alves, M.C.M., Ramos, A.Y.

“…X-ray absorption fine structure spectroscopy and density functional calculations were used to determine the structural model of arsenic surface complex on…”
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ESTUDO DA SEPARAÇÃO DO PAR ZIRCÔNIO E HÁFNIO POR TROCA IÔNICA/SEPARATION OF ZIRCONIUM FROM HAFNIUM BY ION EXCHANGE by Felipe, E C B, Ladeira, A C Q

“…The current work consists in the separation of zirconium and hafnium by the ion exchange method in order to obtain a zirconium concentrate of high purity. The…”
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MINIMIZAÇÃO DA ATIVIDADE PREG-ROBBING DE MINÉRIOS AURÍFEROS CARBONOSOS COM A UTILIZAÇÃO DE ADITIVOS QUÍMICOS by Carvalho Santiago, Rodrigo César, Queiroz Ladeira, Ana Claudia

“…O presente trabalho busca simular a atividade preg-robbing da matriz carbonosa de minérios auríferos a partir de carvões minerais de diferentes níveis de…”
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AVALIAÇÃO DA CAPACIDADE ADSORTIVA DE CARVÃO ATIVADO PARA A REMOÇÃO DE MANGANÊS/EVALUATION OF ADSORPTIVE CAPACITY OF ACTIVATED CARBON FOR THE REMOVAL OF MANGANESE by Perilli, T A G, Sicupira, D C, Mansur, M B, Ladeira, A C Q

“…The possibility of removing manganese contained in mining effluents with high concentrations, i.e., up to 140 mg/L, was studied by adsorption on activated…”
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