State-of-the-art review on post-treatment technologies

Hilla Shemer, David Hasson*, Raphael Semiat

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

14 Scopus citations

Abstract

Desalinated waters are poor in minerals thus, a certain degree of re-mineralization is essential so as to make the water palatable and non-corrosive as well as to meet health requirement. Selection of re-mineralization process is determined by regulatory water quality standards. This review summarizes alternative post-treatment practices aimed to introduce calcium, carbonate alkalinity and magnesium to desalinated water with emphasis on kinetic design models. Among the methods discussed are: blending with source water, direct dosage of chemicals, limestone, dolomite and magnesium oxide dissolution, ion exchange and a novel micronized limestone dissolution process. Finally, cost evaluations of various re-mineralization alternatives are presented.

Original languageEnglish
Pages (from-to)285-293
Number of pages9
JournalDesalination
Volume356
DOIs
StatePublished - 5 Jan 2015
Externally publishedYes

Keywords

  • Calcite
  • Design models
  • Dissolution kinetics
  • Dolomite
  • Lime
  • Re-mineralization

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