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Deionization shocks in microstructures

WebFunding information Massachusetts Institute of Technology Abstract Water purification remains a challenge across sectors worldwide, especially the efficient removal of specific (toxic or valuable) dissolved ions at low salinity. In this article, shock electrodialysis (SED) is shown for the first time to have this capability, by demonstrating continuous separation of … WebSep 21, 2024 · PHYSICAL REVIEW E 84, 061504 (2011) Deionization shocks in microstructures Ali Mani * Department of Mechanical Engineering, Stanford University, Stanford, California 94305, USA Martin Z. Bazant † Department of Chemical Engineering and Department of Mathematics, Massachusetts Institute of Technology, Cambridge, …

Water purification by shock electrodialysis: Deionization, filtration ...

WebShock Electrodialysis / Porous Media. Deionization shocks in microstructures, A. Mani and M. Z. Bazant, Phys Rev. E 84, 061504 (2011). (PDF, Supporting information: Shockwave movie by Ali Mani) Homogenization of the Poisson-Nernst-Planck equations for ion transport in charged porous media. M. WebFeb 2, 2015 · Shock ED also separates positive from negative particles, contrary to claims that ICP acts as a virtual barrier for all charged particles. By combining these functionalities (filtration, separation and disinfection) with deionization, shock ED has the potential to enable highly compact and efficient water purification systems. spokes and bones https://philqmusic.com

Deionization shocks in microstructures - CORE

WebJun 16, 2016 · This “deionization shock wave” 40 is analogous to concentration shocks in chromatography, pressure shock waves in gases, stop-and-go traffic, glaciers, and other nonlinear kinematic waves 49. WebSalt transport in bulk electrolytes is limited by diffusion and advection, but in microstructures with charged surfaces (e.g., microfluidic devices, porous media, soils, … spokes air puffed potato snacks

Continuous ion‐selective separations by shock electrodialysis

Category:Electroconvection instability and shocks in complex geometries

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Deionization shocks in microstructures

Phys. Rev. E 84, 061504 (2011) - Deionization shocks in microstructures

WebNov 5, 2024 · The deionization shock in microstructures has been essentially attributed to surface charge. It is demonstrated that deionization shock can also be driven by bulk … WebAug 1, 2024 · (2) Deionization shock can be driven by electroconvection up to millimeter scales. (3) Conformal mapping is applied to tackle the symmetry broken in more complex …

Deionization shocks in microstructures

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WebShock electrodialysis Work involves over-limiting current to membranes and electrodes, "deionization shocks" in microstructures, concentration polarization and electro … WebFeb 2, 2015 · Shock ED also separates positive from negative particles, contrary to claims that ICP acts as a virtual barrier for all charged particles. By combining these …

http://web.mit.edu/bazant/www/papers/index.html WebAug 3, 2011 · Deionization shocks in microstructures. December 2011 · Physical Review E. Ali Mani; Martin Z. Bazant; Salt transport in bulk electrolytes is limited by diffusion and …

WebMar 23, 2024 · The voltage window Δ V in which a liquid electrolyte can operate free of electroconvective instabilities is shown to be markedly extended in viscoelastic electrolytes and is a power-law function, Δ V : η 1/4, of electrolyte viscosity, η. This power-law relation is replicated in the resistance to ion transport at liquid/solid interfaces. Webpre-treatment. Shock electrodialysis (SED) utilizes overlimiting current to produce fresh, deionized water in a single step process by extending ion depleted zones that propagate through a porous medium as a sharp concentration gradient or a shock wave. So far, SED has been demonstrated on small scale laboratory units using cation-exchange ...

WebSalt transport in bulk electrolytes is limited by diffusion and advection, but in microstructures with charged surfaces (e.g., microfluidic devices, porous media, soils, or biological tissues) surface conduction and electro-osmotic flow also contribute to …

WebAn isolated shock in a microchannel is shown in C with schematics of ionic exchange with the EDLs near the shock. - "Deionization shocks in microstructures." Fig. 1. Schematics of propagation of desalination shocks in microchannels. A shows a series microchannel-nanochannel-microchannel system subject to a constant current, I , and ... shellfish for diabeticsWebAug 23, 2011 · Scalable and Continuous Water Deionization by Shock Electrodialysis. Environmental Science & Technology Letters 2015, 2 (12) , 367-372. DOI: 10.1021/acs.estlett.5b00303. ... Deionization shocks in microstructures. Physical Review E 2011, 84 (6) DOI: 10.1103/PhysRevE.84.061504. Partners 1155 Sixteenth Street N.W. ... shellfish for toddlersWebElectroconvection instability and shocks in complex geometries Author: Zhibo Gu, Bingrui Xu, Peng Huo, Mingzhuo Su, Daosheng Deng Source: Current opinion in colloid & interface science 2024 v.60 pp. 101604 ISSN: 1359-0294 Subject: deionization, desalination, electrochemistry, electrodialysis, energy conversion, geometry Abstract: shellfish for dogsWebDec 19, 2011 · Search worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J spokes and bones scWebThe outcome of this study has applications in deionization processes in lab-on-a-chip systems as well as porous microstructures. We have investigated dynamics of … spokes and wheels bike shopWebJun 2, 2014 · Deionization shocks in microstructures. Phys. Rev. E. (2011) N.A. Mishchuk et al. Micropump based on electroosmosis of the second kind. Electrophoresis (2009) ... Additionally, the propagation of a deionization shock wave is driven by electroconvection up to millimeter scales, offering more opportunities for desalination. … shellfish for sale near meWebDec 1, 2011 · These phenomena may find applications in separations (deionization, decontamination, biological assays) and energy storage (batteries, supercapacitors) … spokes and motors blairmore