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Capacitive Deionization (CDI)

Capacitive Deionization (CDI)

Battery electrode deionization (BDI) -improvement of capacitive deionization (CDI)

A feed solution contained in a reservoir was separately fed to the two inlets of the flow cell using pumps, one desalinated and the other concentrated. This is achieved by applying electrical current to the flow cell through wires using a power source (not shown in this photo). The conductivity of the discharge was then measured using flow conductivity meters located at each outlet, which were monitored by computer. Credit: Taeyoung Kim

(LINK)

Battery electrode deionization (BDI) -improvement of capacitive deionization (CDI)2018-01-31T16:16:17+01:00

Coming soon: DME e.V. Desalination Technology Map – Moers – Germany

Coming soon: DME e.V. Desalination Technology Map
Dienstag, Dezember 19, 2017

Comprehensive overview on 17 desalination technologies (part 1)

(in alphabetical order):

CDI – Cpacitive Deionization

ED/EDR – Electrodialysis (Reverse)

EDI – Electrodeionization

FD – Freeze-Thaw Desalination

FO – Forward Osmosis

GH – Gas Hydrates

HD – Humidification-Dehumidification

IX – Ion Exchange

MED – Multi-Effect-Distillation

MD – Membrane Distillation

MDC – Microbial Desalination Cells

MSF – Multistage Flash Evaporation

MVC – Mechanical VApor Compression

OTED – Ocean Thermal Energy Desalination

RO – Reverse Osmosis

RSE – Rapid Spray Evaporation

TVC – Thermal Vapor Compression

Introduction to the fundamentals of desalination (part 2)

Posted by Peter Tillack

(LINK!)

Coming soon: DME e.V. Desalination Technology Map – Moers – Germany2017-12-21T11:23:07+01:00

Hochschule Karlsruhe entwickelt ein innovatives Konzept zur Trinkwasseraufbereitung Karlsruhe – Germany


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Hochschule Karlsruhe will Lösungen entwickeln. Im Oktober fand an der Hochschule Karlsruhe ein Symposium zum Verbundprojekt “WaKap” (“Modulares Konzept zur nachhaltigen Wasserentsalzung mittels Kapazitiver Deionisierung am Beispiel Vietnam”) statt. UnterstĂŒtzt wird dieses Projekt vom Bundesminsterium fĂŒr Bildung und Forschung (BMBF) mit ĂŒber 900.000 Euro. “WaKap” startete im September 2016 und wird durch Prof. Dr. Jan Hoinkis von der Hochschule Karlsruhe koordiniert. WĂ€hrend des Workshops wurden zusammen mit den Projektpartnern die bisherigen Projektergebnisse sowie die AktivitĂ€ten anderer Forschungsgruppen vorgestellt und diskutiert. Anlage bereitet Grundwasser neu auf. Im “WaKap”-Projekt soll ein energieeffizienter, modularer Kombinationsprozess zur Entsalzung von Meer-, Brack- und Grundwasser [
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Hochschule Karlsruhe entwickelt ein innovatives Konzept zur Trinkwasseraufbereitung Karlsruhe – Germany2017-11-15T16:12:56+01:00

Nickel Hexacyanoferrate Electrodes for Continuous Cation Intercalation Desalination of Brackish Water – USA – Illinois

Abstract:

Using porous electrodes containing redox-active nickel hexacyanoferrate (NiHCF) nanoparticles, we construct and test a device for electrochemical water desalination in a two flow-channel device where the electrodes are in direct contact with an anion-exchange membrane. Upon reduction of NiHCF, cations intercalate into it and the water in its vicinity is desalinated; at the same time water in the opposing electrode becomes more saline upon oxidation of NiHCF in that electrode. In a cyclic process of charge and discharge, fresh water is continuously produced, alternating between the two channels in sync with the direction of applied current. Compared to [
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Nickel Hexacyanoferrate Electrodes for Continuous Cation Intercalation Desalination of Brackish Water – USA – Illinois2017-10-14T07:55:07+02:00
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