Up-concentration of nitrogen from domestic wastewater: A sustainable strategy from removal to recovery

Y Qin, K Wang, Q Xia, S Yu, M Zhang, Y An… - Chemical Engineering …, 2023 - Elsevier
Improving environmental quality and achieving a circular economy require developing
wastewater resource recovery facilities (WRRFs) under stringent discharge standards. As a …

Lithium concentration from salt-lake brine by Donnan-enhanced nanofiltration

ZH Foo, D Rehman, AT Bouma… - Environmental …, 2023 - ACS Publications
Membranes offer a scalable and cost-effective approach to ion separations for lithium
recovery. In the case of salt-lake brines, however, the high feed salinity and low pH of the …

Significance of co-ion partitioning in salt transport through polyamide reverse osmosis membranes

L Wang, T Cao, KE Pataroque, M Kaneda… - Environmental …, 2023 - ACS Publications
Salt permeability of polyamide reverse osmosis (RO) membranes has been shown to
increase with increasing feed salt concentration. The dependence of salt permeability on …

Enthalpic and entropic selectivity of water and small ions in polyamide membranes

I Shefer, O Peer-Haim, O Leifman… - … Science & Technology, 2021 - ACS Publications
While polyamide reverse osmosis and nanofiltration membranes have been extensively
utilized in water purification and desalination processes, the molecular details governing …

Limited ion-ion selectivity of salt-rejecting membranes due to enthalpy-entropy compensation

I Shefer, O Peer-Haim, R Epsztein - Desalination, 2022 - Elsevier
Water and ion transport in salt-rejecting membranes, such as nanofiltration (NF) and reverse
osmosis (RO), are exposed to different hindrance effects that result in selectivity between …

Indications of ion dehydration in diffusion-only and pressure-driven nanofiltration

V Pavluchkov, I Shefer, O Peer-Haim… - Journal of Membrane …, 2022 - Elsevier
Recent insights into the permeation of small ions through polyamide membranes highlighted
the role of ion dehydration in the transport and selectivity observed. However, such insights …

Comparison of water and salt transport properties of ion exchange, reverse osmosis, and nanofiltration membranes for desalination and energy applications

RS Kingsbury, J Wang, O Coronell - Journal of Membrane Science, 2020 - Elsevier
Abstract Reverse osmosis (RO), nanofiltration (NF), and ion exchange (IX) membranes are
becoming increasingly important in water treatment, waste recovery, industrial product …

Correlating the role of nanofillers with active layer properties and performance of thin-film nanocomposite membranes

LA Perry, NGP Chew, K Grzebyk, P Cay-Durgun… - Desalination, 2023 - Elsevier
Thin-film nanocomposite (TFN) membranes are emerging water-purification membranes that
could provide enhanced water permeance with similar solute removal over traditional thin …

Fabrication of polyamide/zwitterion functionalized mesoporous silica nanofiltration membrane with highly enhanced antifouling performance

Y Yin, H Xu, C Zhang, W Hao, Q Xia, S Gao - Journal of the Taiwan Institute …, 2023 - Elsevier
Background The nanofiltration membrane plays an important role in wastewater treatment
and desalination. Fabricating the hydrophilic separation layer is a good way to construct …

Trends and errors in reverse osmosis membrane performance calculations stemming from test pressure and simplifying assumptions about concentration polarization …

MD Armstrong, R Vickers, O Coronell - Journal of membrane science, 2022 - Elsevier
A primary goal in the design of reverse osmosis (RO) membranes is to improve water-solute
selectivity and water permeance. These transport properties are commonly calculated in the …