Deionization shocks in microstructures

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August undefined, 2024

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 … 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 …

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WebAug 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. ... WebMay 1, 2024 · Smaller concentration left behind the deionization shock, affinity to the charged surface where non-slip boundary slows down the velocity, and stronger push-back by streaming potential, can lead to the more removal of multivalent cations in the fresh stream. ... Deionization shocks in microstructures. Phys. Rev. E – Stat. Nonlinear Soft ... how to take off clothes alarm tags

Deionization shock driven by electroconvection in a circular …

http://web.mit.edu/bazant/www/papers/index.html WebMay 14, 2015 · While the Taylor–Melcher electrohydrodynamic model entails ionic charge carriers, it addresses neither ionic transport within the liquids nor the formation of diffuse space-charge layers about their common interface. 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 … how to take off ceiling fan blades

The Taylor–Melcher leaky dielectric model as a macroscale ...

Deionization shocks in microstructures - CORE

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 … Webdeionization shocks and develop a mathematical theory of their existence, structure, and stability, allowing for slow variations in surface charge or channel geometry. Via asymptotic approximations and similarity solutions, we show that deionization shocks accelerate and sharpen in narrowing channels, while they decelerate and ready to tackle the dayWebSep 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, … how to take off boots

"WebNov 5, 2024 · The remarkable generality of deionization shocks under overlimiting current could be used to manipulate ion transport in complex geometries for desalination and water treatment. Vortex observation ... " - Deionization shocks in microstructures

Deionization shocks in microstructures

WebMIT - Massachusetts Institute of Technology WebDec 1, 2011 · These phenomena may find applications in separations (deionization, decontamination, biological assays) and energy storage (batteries, supercapacitors) …

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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 … 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.

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. WebJun 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. …

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. WebWhen counterions are selectively removed by a membrane or electrode, a “deionization shock” can propagate through the microstructure, leaving in its wake an ultrapure …

WebAug 19, 2014 · The experimental results suggest that transient electro-diffusion in random porous media imparts the stability of a deionization shock to the growing metal interface behind it, which could be exploited to enhance the cycle life and recharging rate of metal batteries or to accelerate the fabrication of metal matrix composite coatings.

WebDeionization shocks in microstructures ready to start auto parts addressWebSalt transport in bulk electrolytes is limited by diffusion and advection, but in microstructures with charged surfaces (e.g., microfluidic devices, porous media, soils, … how to take off controller ui pc robloxhttp://web.mit.edu/bazant/www/papers/pdf/Mani_2011_desal_shock.pdf ready to start auto parts reviewsWebSalt 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 … how to take off clothes in gmod how to take off contact lensWebWhen counterions are selectively removed by a membrane or electrode, a “deionization shock” can propagate through the microstructure, leaving in its wake an ultrapure … how to take off chalk marker off chalkboardWebElectroconvection 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: ready to spray clear coat