Electrochemical methods for water purification, ion separations, and energy conversion

MA Alkhadra, X Su, ME Suss, H Tian, EN Guyes… - Chemical …, 2022 - ACS Publications
Agricultural development, extensive industrialization, and rapid growth of the global
population have inadvertently been accompanied by environmental pollution. Water …

Fluids and electrolytes under confinement in single-digit nanopores

NR Aluru, F Aydin, MZ Bazant, D Blankschtein… - Chemical …, 2023 - ACS Publications
Confined fluids and electrolyte solutions in nanopores exhibit rich and surprising physics
and chemistry that impact the mass transport and energy efficiency in many important …

Selective and chemical-free removal of toxic heavy metal cations from water using shock ion extraction

MA Alkhadra, ML Jordan, H Tian… - Environmental …, 2022 - ACS Publications
Electrochemical methods are known to have attractive features and capabilities when used
for ion separations and water purification. In this study, we developed a new process called …

Charging dynamics of electrical double layers inside a cylindrical pore: predicting the effects of arbitrary pore size

F Henrique, PJ Zuk, A Gupta - Soft Matter, 2022 - pubs.rsc.org
Porous electrodes are found in energy storage devices such as supercapacitors and
pseudocapacitors. However, the effect of electrode-pore-size distribution on their energy …

Novel ionic separation mechanisms in electrically driven membrane processes

IG Wenten, K Khoiruddin, MA Alkhadra, H Tian… - Advances in Colloid and …, 2020 - Elsevier
Electromembrane processes including electrodialysis (ED) and related processes are
usually limited by diffusion transport of ions from a bulk solution to ion exchange …

Continuous separation of radionuclides from contaminated water by shock electrodialysis

MA Alkhadra, KM Conforti, T Gao, H Tian… - Environmental …, 2019 - ACS Publications
The increasing popularity of nuclear energy necessitates development of new methods to
treat water that becomes contaminated with radioactive substances. Because this polluted …

Impact of asymmetries in valences and diffusivities on the transport of a binary electrolyte in a charged cylindrical pore

F Henrique, PJ Zuk, A Gupta - Electrochimica Acta, 2022 - Elsevier
Ion transport in porous media is present in a wealth of technologies, eg, energy storage
devices such as batteries and supercapacitors, and environmental technologies such as …

A pore-scale model for electrokinetic in situ recovery of copper: the influence of mineral occurrence, zeta potential, and electric potential

K Tang, Z Li, Y Da Wang, J McClure, H Su… - Transport in Porous …, 2023 - Springer
Electrokinetic in-situ recovery is an alternative to conventional mining, relying on the
application of an electric potential to enhance the subsurface flow of ions. Understanding the …

Theory of shock electrodialysis I: Water dissociation and electrosmotic vortices

H Tian, MA Alkhadra, MZ Bazant - Journal of Colloid and Interface Science, 2021 - Elsevier
Shock electrodialysis (shock ED), an emerging electrokinetic process for water purification,
leverages the new physics of deionization shock waves in porous media. In previous work, a …

Nanoelectrokinetic selective preconcentration based on ion concentration polarization

J Choi, S Baek, HC Kim, JH Chae, Y Koh, SW Seo… - BioChip Journal, 2020 - Springer
Nanoscale electrokinetic phenomenon called ion concentration polarization (ICP) has
opened a new era in bio-and chemical-analysis platform due to its high efficiency and easy …