Scale formation model for high top brine temperature multi-stage flash (MSF) desalination plants

Aiman Eid Al-Rawajfeh, Seungwon Ihm, Hirdesh Varshney, Abdelnasser Aboukhlewa

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

In this work, a model for the development of scale formation in once-through (OT) and brine-recycle (BR) multi-stage flash (MSF) distiller is presented. The model begins to calculate the carbonate species and sulfate concentrations in the seawater feed and follow the path of the feed from the last stage to the first stage reaching the top brine temperature (TBT). The changes in the carbonate and sulfate scale are shown. As a net result, fouling factor increases with increasing the temperature. The developed model is validated with the experimental results when anti-scalant is used from literature. It is important to note that the plant cannot be operated without using anti-scalant because of the hard scale problem threatening the performance and materials of the MSF plant, which is, in fact, the strong point of the model. The model can be used to check the pretreatment efficiency.

Original languageEnglish
Pages (from-to)53-60
Number of pages8
JournalDesalination
Volume350
DOIs
Publication statusPublished - 1 Oct 2014
Externally publishedYes

Fingerprint

Desalination
brine
Carbonates
temperature
Sulfates
Temperature
sulfate
carbonate
Fouling
Seawater
fouling
desalination plant
seawater

Keywords

  • Fouling factor
  • High temperature MSF
  • Modelling
  • Scale formation

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Mechanical Engineering
  • Chemistry(all)
  • Materials Science(all)
  • Water Science and Technology

Cite this

Scale formation model for high top brine temperature multi-stage flash (MSF) desalination plants. / Al-Rawajfeh, Aiman Eid; Ihm, Seungwon; Varshney, Hirdesh; Aboukhlewa, Abdelnasser.

In: Desalination, Vol. 350, 01.10.2014, p. 53-60.

Research output: Contribution to journalArticle

Al-Rawajfeh, Aiman Eid ; Ihm, Seungwon ; Varshney, Hirdesh ; Aboukhlewa, Abdelnasser. / Scale formation model for high top brine temperature multi-stage flash (MSF) desalination plants. In: Desalination. 2014 ; Vol. 350. pp. 53-60.
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