Polymer filtration: A new technology for selective metals recovery

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Polymer Filtration (PF) was evaluated for the recovery of electroplating metal ions (zinc and nickel) from rinse waters. Polymer Filtration combines the use of water-soluble metal-binding polymers and ultrafiltration to concentrate metal ions from dilute rinse water solutions. The metal ions are retained by the polymers; the smaller, unbound species freely pass through the ultrafiltration membrane. By using this process the ultrafiltered permeate more than meets EPA discharge limits. The metal ions are recovered from the concentrated polymer solution by pH adjustment using diafiltration and can be recycled to the original electroplating baths with no deleterious effects on the test ... continued below

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10 p.

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Smith, B.F.; Robison, T.W.; Cournoyer, M.E.; Wilson, K.V.; Sauer, N.N.; Mullen, K.I. et al. April 1, 1995.

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Description

Polymer Filtration (PF) was evaluated for the recovery of electroplating metal ions (zinc and nickel) from rinse waters. Polymer Filtration combines the use of water-soluble metal-binding polymers and ultrafiltration to concentrate metal ions from dilute rinse water solutions. The metal ions are retained by the polymers; the smaller, unbound species freely pass through the ultrafiltration membrane. By using this process the ultrafiltered permeate more than meets EPA discharge limits. The metal ions are recovered from the concentrated polymer solution by pH adjustment using diafiltration and can be recycled to the original electroplating baths with no deleterious effects on the test panels. Metal-ion recovery is accomplished without producing sludge.

Physical Description

10 p.

Notes

OSTI as DE95009438

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  • SUR/FIN `95: American Electroplaters and Surface Finishers Society meeting and exhibition, Baltimore, MD (United States), 25-28 Jun 1995

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  • Other: DE95009438
  • Report No.: LA-UR--94-1432
  • Report No.: CONF-9506171--1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 54285
  • Archival Resource Key: ark:/67531/metadc695585

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  • April 1, 1995

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 26, 2016, 3:22 p.m.

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Smith, B.F.; Robison, T.W.; Cournoyer, M.E.; Wilson, K.V.; Sauer, N.N.; Mullen, K.I. et al. Polymer filtration: A new technology for selective metals recovery, article, April 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc695585/: accessed June 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.