ELECTROCHEMICAL DEVICE WITH EFFICIENT ION EXCHANGE MEMBRANE

To provide a system and a process capable of reducing both energy consumption and overall cost for desalination using an electrochemical battery.SOLUTION: An electrochemical device includes a first type of membrane arranged between a first reservoir and a second reservoir containing an input solutio...

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Bibliographische Detailangaben
Hauptverfasser:	MAHATI CHINTAPALLI, FRANCISCO E TORRES, MICHAEL BENEDICT, EUGENE S BEH
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	To provide a system and a process capable of reducing both energy consumption and overall cost for desalination using an electrochemical battery.SOLUTION: An electrochemical device includes a first type of membrane arranged between a first reservoir and a second reservoir containing an input solution, a second type of membrane different from the first type is arranged between a first redox-active electrolyte chamber and the first reservoir, and a second redox-active electrolyte chamber and the second reservoir. The first type of membrane and one of the second type of membranes form a membrane pair, and the pair has an area specific resistance below y=5065.3x3-1331.1x2+90.035x+39 Ohm cm2 when the pair is equilibrated in an electrolyte and for at least part of a range where 0