Electrodialysis unit: Optimization and calculation of energy requirement

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


An industrial unit which optimizes the parameters of the electrodialysis process has been developed at the Research & Development Authority. The total energy requirement with this unit is about 1.2 kWh/m3 for brackish water of 2400 ppm and 3.3 kWh/m3 for water of 5000 ppm. For sea water desalination the system may be optimized by operating it with thin cells (0.4 mm) and thin polyethylene membranes (0.1 mm). In such a system the energy requirement for the desalination of sea water will be 12 kWh/m3 for operation at 20° C and 6.7 kWh/m3 at 70° C.

Original languageEnglish
Pages (from-to)171-179
Number of pages9
Issue number1-2
StatePublished - 1 Jan 1982

ASJC Scopus subject areas

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


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