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Title	Capacitive deionization of NH{sub 4}CIO{sub 4} solutions with carbon aerogel electrodes. Revision 1
Creator/Author	Farmer, J.C. ; Fix, D.V. ; Mack, G.V. ; Pekala, R.W. ; Poco, J.F.
Publication Date	1996 Jan 01
OSTI Identifier	OSTI ID: 211477 ; DE96008759
Report Number(s)	UCRL-JC--122463-Rev.1; CONF-960281--1-Rev.1
DOE Contract Number	W-7405-ENG-48
Resource Type	Conference
Resource Relation	17. Association of Electroplaters and Surface Finishers/Environmental Protection Agency Pollution Prevention/control conference, Orlando, FL (United States), 5-7 Feb 1996 ; PBD: Jan 1996
Research Org	Lawrence Livermore National Lab., CA (United States)
Sponsoring Org	Department of Defense, Washington, DC (United States);USDOE, Washington, DC (United States)
Subject	40 CHEMISTRY ;45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE ; WATER; DEMINERALIZATION; AMMONIUM PERCHLORATES; REMOVAL; WATER TREATMENT; ELECTRIC FIELDS; AQUEOUS SOLUTIONS; PROPELLANTS; ELECTRODES; CARBON; GELS
Description/Abstract	A process for capacitive deionization of water with a stack of carbon aerogel electrodes was developed. Unlike ion exchange, one of the more conventional deionization processes, no chemicals are required for regeneration of the system; electricity is used instead. An aqueous solution of NH{sub 4}ClO{sub 4} is pumped through the electrochemical cell. After polarization, NH{sub 4}{sup+} and ClO{sub 4}{sup -} ions are removed from the water by the imposed electric field and trapped in the extensive cathodic and anodic double layers. Thsi process produces one stream of purified water and a second stream of concentrate. Effects of cell voltage, salt concentration, and cycling on electrosorption capacity were studied and results reported.
Country of Publication	United States
Language	English
Format	28 p. ; PL:
Availability	OSTI as DE96008759 To purchase this media from NTIS, click here
System Entry Date	2001 May 03
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