Critical Mineral Separations: Opportunities for Membrane Materials and Processes to Advance Sustainable Economies and Secure Supplies

L Lair, JA Ouimet, M Dougher… - Annual Review of …, 2024 - annualreviews.org
Sustainable energy solutions and electrification are driving increased demand for critical
minerals. Unfortunately, current mineral processing techniques are resource intensive, use …

Metal-organic frameworks-membranes for energy intensive liquid separation

U Shareef, AA Rownaghi - Separation and Purification Technology, 2023 - Elsevier
Metal-organic framework (MOF) materials with tunable structures and functionalities have
demonstrated great potential as promising membrane materials play a crucial role in various …

Influence of Donnan and dielectric exclusion on ion sorption in sulfonated polysulfones

SM Bannon, GM Geise - Journal of Membrane Science, 2024 - Elsevier
Abstract The Donnan–Manning model accurately describes the thermodynamic properties
(eg, ion sorption) of many charged polymers equilibrated with aqueous electrolytes, such as …

[HTML][HTML] Divalent ion partitioning through dense ion exchange membranes

X Chen, B Rajendran, QM Liu, XQ Feng… - Journal of Membrane …, 2023 - Elsevier
Understanding the mechanism behind the permeation of multivalent ions through ion
exchange membranes remains an ongoing challenge. Here we address this knowledge gap …

Understanding Monovalent Cation Diffusion in Negatively Charged Membranes and the Role of Membrane Water Content

JC Díaz, J Park, A Shapiro, H Patel… - …, 2024 - ACS Publications
Membranes capable of differentiating between similarly charged ions could enable
applications such as resource recovery from naturally occurring waters and industrial …

Determining ion activity coefficients in ion-exchange membranes with machine learning and molecular dynamics simulations

HK Gallage Dona, T Olayiwola… - Industrial & …, 2023 - ACS Publications
The activity coefficients of ions in polymeric ion-exchange membranes (IEMs) dictate the
equilibrium partitioning coefficient of the ions between the membrane and the liquid. It also …

What is the influence of ion aggregation and counterion condensation on salt transport in ion exchange membranes?

N Marioni, A Rajesh, Z Zhang, BD Freeman… - Journal of Membrane …, 2024 - Elsevier
Concerted motions of ions arising due to ion aggregation and counterion condensation are
often neglected when interpreting salt transport in ion exchange membranes. In this study …

Mechanism of monovalent and divalent ion mobility in Nafion membrane: An atomistic simulation study

A Paspureddi, Z Zhang, V Ganesan… - The Journal of …, 2023 - pubs.aip.org
Polymer cation exchange membranes (CEMs) are widely used in water treatment
processes. The fundamental factors that control the separation and selectivity of cations with …

ACS Spotlight: Bipolar Membranes for Electrochemical Energy Conversion, Chemical Manufacturing, and Separations

T Kulkarni, B Yang, X Zhang, R Kumar… - ACS Applied Energy …, 2024 - ACS Publications
Sustainable energy conversion, chemical manufacturing, and separations are central to
addressing the world's energy and environmental challenges. Electrochemical platforms …

Extended Donnan model for ion partitioning in charged nanopores: Application to ion-exchange membranes

R Wang, PM Biesheuvel, M Elimelech - Journal of Membrane Science, 2024 - Elsevier
Membranes consist of pores and the walls of these pores are often charged. In contact with
an aqueous solution, the distribution of ions between external and pore solution at chemical …