Influence of specially modulated ultrasound on the water desalination process with ion-exchange hollow fibers

M. Band, M. Gutman, V. Faerman, E. Korngold, J. Kost, P. J. Plath, V. Gontar

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The enhancing effect of specially modulated ultrasound signals (SMUS) on the process of water desalination by means of ion-exchange hollow fibers was investigated. For Na+ - H+ ion exchange the enhancement effect increased with increasing power of the ultrasound, reaching about 40% at a signal power of 61 W. Depending on the concentration of the solutions and hydrodynamic conditions, ultrasound enhanced different steps of the overall ion-exchange process. In the range of 20-50°C, the effect increased with temperature from 40% to 60%. We also demonstrated the feasibility of utilizing SMUS for improvement of a cavitation process and thus for improving the performance of our desalination system.

Original languageEnglish
Pages (from-to)303-313
Number of pages11
JournalDesalination
Volume109
Issue number3
DOIs
StatePublished - 1 Jan 1997

Keywords

  • Hollow fibers
  • Ion exchange
  • Membrane
  • Ultrasound
  • Water desalination

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • General Materials Science
  • Water Science and Technology
  • Mechanical Engineering

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