Pilot-Scale Test of Counter-Current Ion Exchange (CCIX) Using UOP IONSIV IE-911

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A pilot-scale test of a moving-bed configuration of a UOP IONSIV? IE-911 ion-exchange column was performed over 17 days at Severn Trent Services facilities. The objectives of the test, in order of priority, were to determine if aluminosilicate precipitation caused clumping of IE-911 particles in the column, to observe the effect on aluminum-hydroxide precipitation of water added to a simulant-filled column, to evaluate the extent of particle attrition, and to measure the expansion of the mass-transfer zone under the influence of column pulsing. The IE-911 moved through the column with no apparent clumping during the test, although analytical results indicate ... continued below

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Wester, Dennis W.; Leugemors, Robert K. & Taylor, Paul W. September 24, 2001.

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Description

A pilot-scale test of a moving-bed configuration of a UOP IONSIV? IE-911 ion-exchange column was performed over 17 days at Severn Trent Services facilities. The objectives of the test, in order of priority, were to determine if aluminosilicate precipitation caused clumping of IE-911 particles in the column, to observe the effect on aluminum-hydroxide precipitation of water added to a simulant-filled column, to evaluate the extent of particle attrition, and to measure the expansion of the mass-transfer zone under the influence of column pulsing. The IE-911 moved through the column with no apparent clumping during the test, although analytical results indicate that little if any aluminosilicate precipitated onto the particles. A precipitate of aluminum hydroxide was not produced when water was added to the simulant-filled column, indicating that this upset scenario is probably of little concern. Particle-size distributions remained relatively constant with time and position in the column, indicating that particle attrition was not significant. The expansion of the mass-transfer zone could not be accurately measured because of the slow loading kinetics of the IE-911 and the short duration of the test; however, the information obtained indicates that back-mixing of sorbent is not extensive.

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  • Other Information: PBD: 24 Sep 2001

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  • Report No.: PNNL-13625
  • Report No.: EW4010000
  • Grant Number: AC06-76RLO1830
  • DOI: 10.2172/786812 | External Link
  • Office of Scientific & Technical Information Report Number: 786812
  • Archival Resource Key: ark:/67531/metadc717962

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  • September 24, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 6, 2016, 6:29 p.m.

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Wester, Dennis W.; Leugemors, Robert K. & Taylor, Paul W. Pilot-Scale Test of Counter-Current Ion Exchange (CCIX) Using UOP IONSIV IE-911, report, September 24, 2001; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc717962/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.