Post-Treatment of Desalinated Water-Chemistry, Design, Engineering, and Implementation

Liat Birnhack*, Ori Lahav

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

10 Scopus citations


The quality with which water is released from desalination plants increases continuously. However, prior to the post-treatment step, desalination permeates are slightly acidic, contain very low buffering capacity, and are very soft. As such, the water may be aggressive and corrosive to infrastructure, resulting in adverse health and economic effects. Consequently, a post-treatment step in which the chemical stability, buffering capacity and mineral content of the water is adjusted, is invariably practiced. This chapter reviews the knowledge accumulated in the last decades on desalination post-treatment processes. It covers fundamental chemistry aspects related to the aqueous, gaseous and solid phases relevant to post-treatment processes. The chapter also provides a thorough explanation on required water quality criteria; the advantages and disadvantages of currently applied post-treatment processes are detailed, engineering and cost considerations are discussed, state of the art post-treatment alternatives are covered, and contemporary research trends are listed.

Original languageEnglish
Title of host publicationSustainable Desalination Handbook
Subtitle of host publicationPlant Selection, Design and Implementation
Number of pages46
ISBN (Electronic)9780128094969
ISBN (Print)9780128092408
StatePublished - 10 Mar 2018
Externally publishedYes


  • Calcite dissolution
  • Desalination
  • Dissolved magnesium
  • Dolomite dissolution
  • Ion exchange
  • Nanofiltration
  • Post Treatment


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