Microfluidics-based fundamental characterization of external concentration polarization in forward osmosis
Sign Up to like & getrecommendations! Published in 2019 at "Microfluidics and Nanofluidics"
DOI: 10.1007/s10404-019-2202-5
Abstract: External concentration polarization (ECP) refers to the local variation of solution concentration near a membrane surface in forward osmosis (FO). The existence of ECP leads to much lower solvent permeating flux, and hence ECP is… read more here.
Keywords: forward osmosis; concentration polarization; external concentration; microfluidics based ... See more keywords
Tutorial review: Enrichment and separation of neutral and charged species by ion concentration polarization focusing.
Sign Up to like & getrecommendations! Published in 2020 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2020.06.021
Abstract: Ion concentration polarization focusing (ICPF) is an electrokinetic technique, in which analytes are enriched and separated along a localized electric field gradient in the presence of a counter flow. This field gradient is generated by… read more here.
Keywords: concentration polarization; ion concentration; polarization focusing; tutorial review ... See more keywords
On concentration polarization in fluidized bed membrane reactors
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.09.045
Abstract: Abstract Palladium-based membrane-assisted fluidized bed reactors have been proposed for the production of ultra-pure hydrogen at small scales. Due to the improved heat and mass transfer characteristics inside such reactors, it is commonly believed that… read more here.
Keywords: concentration polarization; fluidized bed; bed membrane;
Influential analysis of concentration polarization on water flux and power density in PRO process: Modeling and experiments
Sign Up to like & getrecommendations! Published in 2017 at "Desalination"
DOI: 10.1016/j.desal.2017.02.020
Abstract: Abstract Pressure retarded osmosis (PRO) is a potential technology for harvesting renewable energy from the salinity gradients. However, the PRO performance can be dramatically influenced by concentration polarizations and reverse salt flux (RSF) of the… read more here.
Keywords: concentration polarization; concentration; power density; water flux ... See more keywords
Reduced-order modelling of concentration polarization with varying permeation: Analysis of electro-osmosis in membranes
Sign Up to like & getrecommendations! Published in 2020 at "Desalination"
DOI: 10.1016/j.desal.2020.114677
Abstract: Abstract Concentration polarization is a major challenge to water desalination process. It affects membrane performances by reducing permeate flux and increasing the risk of fouling. One promising approach to reduce concentration polarization is to use… read more here.
Keywords: concentration polarization; reduced order; electro osmosis;
Modeling the mass transfer process in membranes for carbon capture and separation with concentration polarization effect
Sign Up to like & getrecommendations! Published in 2021 at "International Communications in Heat and Mass Transfer"
DOI: 10.1016/j.icheatmasstransfer.2021.105396
Abstract: Abstract Membrane separation is regarded as the most promising carbon capture technology due to its low operating cost and requirements for installation. The main parameters in membrane separation are selectivity and permeability. This study presents… read more here.
Keywords: concentration polarization; carbon capture; separation; concentration ... See more keywords
Reactive micromixing eliminates fouling and concentration polarization in reverse osmosis membranes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2017.07.044
Abstract: Abstract Reverse osmosis and nanofiltration membranes are used for desalination, wastewater reuse, and industrial water recovery but suffer from high-energy usage during operation. High-energy usage results from membrane fouling and concentration polarization (CP). Fouling is… read more here.
Keywords: concentration polarization; fouling concentration; membrane; reverse osmosis ... See more keywords
Direct numerical simulation of continuous lithium extraction from high Mg2+/Li+ ratio brines using microfluidic channels with ion concentration polarization.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of membrane science"
DOI: 10.1016/j.memsci.2018.03.078
Abstract: A novel ion concentration polarization-based microfluidic device is proposed for continuous extraction of Li+ from high Mg2+/Li+ ratio brines. With simultaneous application of the cross-channel voltage that drives electroosmotic flow and the cross-membrane voltage that… read more here.
Keywords: concentration polarization; ion concentration; extraction; ion ... See more keywords
Influence of concentration polarization and thermodynamic non-ideality on salt transport in reverse osmosis membranes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2018.11.006
Abstract: Abstract The classic Merten and Lonsdale transport model for reverse osmosis membranes was reformulated to explicitly demonstrate the effects of concentration polarization and solution phase thermodynamic non-idealities on salt transport. A framework presented here accounts… read more here.
Keywords: concentration polarization; salt transport; salt; transport ... See more keywords
Nanofiltration of saline oil-water emulsions: Combined and individual effects of salt concentration polarization and fouling by oil
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2020.118607
Abstract: Abstract This study employed NF270 nanofiltration membranes and SDS-stabilized hexadecane to identify mechanisms of membrane fouling by highly saline oil-water emulsions. Concentration dependencies of NaCl reflection coefficient σ and NaCl permeability coefficient B were measured… read more here.
Keywords: concentration polarization; oil water; saline oil; concentration ... See more keywords
Ultrasound assisted forward osmosis concentration of fruit juice and natural colorant.
Sign Up to like & getrecommendations! Published in 2017 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2016.06.020
Abstract: The present study deals with the effect of higher and lower molecular weight compounds present in the feed on concentration polarization during forward osmosis concentration and its mitigation by the application of ultrasound. The effects… read more here.
Keywords: forward osmosis; concentration polarization; osmosis concentration; assisted forward ... See more keywords