Juan Martínez

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JUAN MARTÍNEZ PEÑALVER
Student of the Master´s degree in Chemical Engineering
University of Cantabria
Department of Chemical and Biomolecular Engineering
Av. de los Castros s/n
39005 Santander
Cantabria
España
Telephone: +34 942 201593
Email: juan.martinezp@unican.es
RESEARCH
Títle: Reverse electrodialysis for power generation with natural salinity gradients
Description:
Reverse electrodialysis (RED) can harness the Gibbs free energy of mixing when fresh river
water flows into the sea for sustainable power generation. In a RED stack, composed by
alternately-arranged cation and anion exchange membranes, stacked between two
electrodes, the chemical energy associated with salinity gradients can be directly
converted into electrical energy.
RED is the power generation analogue of electrodialysis (ED) separation, Whereas energy
is consumed in ED to carry out separation of ions, RED produces energy through
controlled mixing of the solutions utilizing the permeation of counter-ions across ion
exchange membranes (IEMs) to generate a Nernst potential between two solutions of
different concentration, while a redox couple at the end electrodes converts the ion flux
into a n electric current.
Keywords: Reverse electrodialysis (RED), salinity gradient energy, ion exchange
membranes renewable energy
R&D Projects:
Title: NUEVOS PROCESOS DE SEPARACIÓN CON CONTROL CINÉTICO BASADOS EN LA
UTILIZACIÓN DE MATERIALES FUNCIONALIZADOS (CTQ2012-3139)
Partners: Universidad de Cantabria, Ministerio de Economía y Competitividad
Duration, since 01/01/2013 to 01/01/2016.
Main researcher: Inmaculada Ortiz Uribe
Number of participants: 11
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