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Magnetic water treatment in a wastewater treatment plant: Part II - Processing waters and kinetic study.
Castelo-Grande, Teresa; Augusto, Paulo A; Rico, Javier; Marcos, Jorge; Iglesias, Roberto; Hernández, Lorenzo; Barbosa, Domingos.
Affiliation
  • Castelo-Grande T; LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal.
  • Augusto PA; LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal; Departamento de Ingeniería Química y Textil, Facultad de Ciencias Quimicas, Universidad de Salamanca, Plaza de Los Caídos
  • Rico J; Departamento de Ingeniería Química y Textil, Facultad de Ciencias Quimicas, Universidad de Salamanca, Plaza de Los Caídos, 1-5, 37008, Salamanca, Spain.
  • Marcos J; Departamento de Ingeniería Química y Textil, Facultad de Ciencias Quimicas, Universidad de Salamanca, Plaza de Los Caídos, 1-5, 37008, Salamanca, Spain.
  • Iglesias R; Departamento de Ingeniería Química y Textil, Facultad de Ciencias Quimicas, Universidad de Salamanca, Plaza de Los Caídos, 1-5, 37008, Salamanca, Spain.
  • Hernández L; Departamento de Ingeniería Química y Textil, Facultad de Ciencias Quimicas, Universidad de Salamanca, Plaza de Los Caídos, 1-5, 37008, Salamanca, Spain.
  • Barbosa D; LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal.
J Environ Manage ; 285: 112177, 2021 May 01.
Article in En | MEDLINE | ID: mdl-33662763
ABSTRACT
Magnetic sorption process is applied to real wastewater effluents from a Wastewater Treatment Plant. The complex media sorption is done by using different types of magnetic particles (resin and polymeric covered magnetite) giving good results for removing detergents, phosphates and COD and moderate results for the sorption of nitrogen and several heavy metals. Important kinetic parameters were obtained by data fitting for the pseudo first and second order, and for simplified Elovich models. Regeneration and reuse of the magnetic particles using a chemical-free method was also tested, as well as the effect of the concentration of the particles in the removal efficiency (which proved to be relevant).
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Water Pollutants, Chemical / Water Purification / Metals, Heavy Language: En Journal: J Environ Manage Year: 2021 Document type: Article Affiliation country: Portugal
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Water Pollutants, Chemical / Water Purification / Metals, Heavy Language: En Journal: J Environ Manage Year: 2021 Document type: Article Affiliation country: Portugal