The European Physical Journal Special Topics

, Volume 226, Issue 5, pp 931–941 | Cite as

Remineralization of permeate water by calcite bed in the Daoura’s plant (south of Morocco)

  • M. G. Biyoune
  • A. Atbir
  • H. Bari
  • L. Hassnaoui
  • E. Mongach
  • A. Khadir
  • L. Boukbir
  • R. Bellajrou
  • M. ElhadekEmail author
Regular Article
Part of the following topical collections:
  1. Phase Equilibria and Their Applications


To face water shortage and to fight drought, the National office of Water and Electricity (ONEE) carried out a program aiming at constructing several desalination stations of seawater in the South of Morocco. However, the final product water after desalination (osmosis water) has turned out to be unbalanced and has an aggressive character. Therefore, a post-treatment of remineralization is necessary to recover the calco-carbonic equilibrium of water and to protect the distribution network from corrosion degradation. Thereby, our work aims to examine the performance of the remineralization used in Daoura plant by the calcite bed in the absence of carbon dioxide CO2 (without acidification), we have followed many parameters indicating the performance of this technique adopted such as pH, TAC (hydroxide, carbonate and bicarbonate content), Ca content, Langelier saturation index (LSI), Larson index (LR). The results obtained show that this technique adopted in Daoura plant brings to water back its entire calco-carbonic balance to measure up to the Moroccan standards of drinking water. Generally, the exploitation of the calcite bed technique for remineralization is simple, easy and it does not require any major efforts or precautions.


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Copyright information

© EDP Sciences and Springer 2017

Authors and Affiliations

  • M. G. Biyoune
    • 1
  • A. Atbir
    • 1
  • H. Bari
    • 2
  • L. Hassnaoui
    • 3
  • E. Mongach
    • 2
  • A. Khadir
    • 3
  • L. Boukbir
    • 1
  • R. Bellajrou
    • 1
  • M. Elhadek
    • 1
    Email author
  1. 1.Ibn Zohr university, Faculty of SciencesQuoted Dakhla, AgadirMorocco
  2. 2.National office of electricity and water, Direction of coordination of the Saharan provincesLaâyouneMorocco
  3. 3.National office of electricity and water, Direction of quality control of watersRabatMorocco

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