Ion exchange kinetics of Cadmium under liquid phase control

  • Karina Martínez Universidad del Zulia-Venezuela
  • Idelfonso Arrieta Universidad del Zulia-Venezuela
  • Carmen Cárdenas Universidad del Zulia-Venezuela
  • Suher Yabroudi Universidad del Zulia-Venezuela
  • Cézar García Universidad del Zulia-Venezuela

Resumo

The main goal of this research work was: to develop a general kinetics model of ionic exchange that includes diffusion and ionic migration fluxes in a mass transfer process controlled by a liquid phase and to validate it with a set of experimental data obtained with a batch reactor for the Cadmium-Hydrogen system on a polyestirene synthetic resin. The results show that the proposed model can predict the ion-exchange kinetics under operating variables that favors the liquid phase control such as: Cd:++ concentrations in liquid phase lower than 10 ppm, higher temperatures pH in the acid range, co-ion from strong electrolyte and Dowex resin 50W-X8 of lower size.

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Martínez, K., Arrieta, I., Cárdenas, C., Yabroudi, S. e García, C. (1) «Ion exchange kinetics of Cadmium under liquid phase control», Revista Técnica da Faculdade de Engenharia da de Zulia, 27(3). Disponível em: https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5858 (Acedido: 5Abril2025).
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