Desalination at overlimiting currents: State-of-the-art and perspectives
| Autor: | Gérald Pourcelly, Mahamet K. Urtenov, Victor Nikonenko, Natalia Pismenskaya, Philippe Sistat, Jongyoon Han, A. V. Kovalenko |
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| Přispěvatelé: | Korea Advanced Institute of Science and Technology (KAIST), Institut Européen des membranes (IEM), Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut de Chimie du CNRS (INC)-Université de Montpellier (UM) |
| Rok vydání: | 2014 |
| Předmět: |
Chemistry
business.industry Mechanical Engineering General Chemical Engineering Limiting current 02 engineering and technology General Chemistry Electrodialysis Specific knowledge 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Desalination 6. Clean water 0104 chemical sciences [CHIM]Chemical Sciences General Materials Science Ion-exchange membranes Electrodeionization 0210 nano-technology Process engineering business ComputingMilieux_MISCELLANEOUS Water Science and Technology |
| Zdroj: | Desalination Desalination, Elsevier, 2014, 342, pp.85-106. ⟨10.1016/j.desal.2014.01.008⟩ |
| ISSN: | 0011-9164 1873-4464 |
| DOI: | 10.1016/j.desal.2014.01.008 |
| Popis: | For about 60 years, it is known that “limiting current” density does not really limit the current density in electrodialysis (ED). The use of intensive currents allows one to decrease the area of expensive ion-exchange membranes, hence to obtain more compact ED plants with lower investment costs. However, in practice overlimiting currents are applied solely in electrodeionization, and not in conventional ED devices. In literature (H. Strathmann [1]), overlimiting current density operation ED is considered as being under ongoing research and development. Where is the research today? What is the actual understanding of overlimiting mass transfer processes in membrane systems? As far as electroconvection is involved as a major mechanism of overlimiting transfer, what could bring specific knowledge and practice acquired in nano- and microfluidics into desalination? Can overlimiting ED be economically advantageous? Is there an alternative for classical ED devices applied? This review is intended to give some responses to these questions. |
| Databáze: | OpenAIRE |
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