Effect of electroconvection and its use in intensifying the mass transfer in electrodialysis (Review)
- Authors: Nikonenko V.V.1, Mareev S.A.1, Pis’menskaya N.D.1, Uzdenova A.M.2, Kovalenko A.V.1, Urtenov M.K.1, Pourcelly G.3
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Affiliations:
- Kuban State University
- Karachaevo-Cherkessky State University Named after U.D. Aliev
- Institute European of the Membranes
- Issue: Vol 53, No 10 (2017)
- Pages: 1122-1144
- Section: Section 1. Mass and Charge Transfer
- URL: https://journals.rcsi.science/1023-1935/article/view/189077
- DOI: https://doi.org/10.1134/S1023193517090099
- ID: 189077
Cite item
Abstract
The modern concepts on the origin of electroconvection (EC) are surveyed briefly and the known mechanisms of this phenomenon are classified. Factors that influence the EC character and intensity at the surface of ion-exchange membranes are analyzed, such as electrical and geometrical heterogeneity of the membrane surface, its degree of hydrophobicity, and the surface charge. The EC mechanism is shown also to depend on the applied potential difference and the rate of solution flow between membranes. The mechanism of the EC-induced gain in the mass transfer is elucidated, the possible gain in the mass transfer is estimated, and the prospects for using the EC for reducing the membrane fouling caused by sedimentation and formation of organic deposits are assessed.
About the authors
V. V. Nikonenko
Kuban State University
Author for correspondence.
Email: nikon@chem.kubsu.ru
Russian Federation, Krasnodar, 350040
S. A. Mareev
Kuban State University
Email: nikon@chem.kubsu.ru
Russian Federation, Krasnodar, 350040
N. D. Pis’menskaya
Kuban State University
Email: nikon@chem.kubsu.ru
Russian Federation, Krasnodar, 350040
A. M. Uzdenova
Karachaevo-Cherkessky State University Named after U.D. Aliev
Email: nikon@chem.kubsu.ru
Russian Federation, Karachaevsk, 369202
A. V. Kovalenko
Kuban State University
Email: nikon@chem.kubsu.ru
Russian Federation, Krasnodar, 350040
M. Kh. Urtenov
Kuban State University
Email: nikon@chem.kubsu.ru
Russian Federation, Krasnodar, 350040
G. Pourcelly
Institute European of the Membranes
Email: nikon@chem.kubsu.ru
France, Montpellier, 34095