Feasibility of salt production from inland RO desalination plant reject brine: A case study

Mushtaque Ahmed, Aro Arakel, David Hoey, Muralee R. Thumarukudy, Mattheus F A Goosen, Mansour Al-Haddabi, Abdullah Al-Belushi

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

Production and disposal of reject brine are an integral part of an overall desalination process. For inland desalination plants, this poses a serious challenge to operators, as the option of ocean disposal of reject brine is not available. Various disposal options such as reinjection, lined and unlined evaporation ponds and natural depressions (lake) are currently being used. An alternative approach is to further process the reject brine to extract all the salts. This has the advantages of being environmentally friendly and producing commercial products (i.e., salts and fresh water). A desktop prefeasibility study using data from Petroleum Development Oman (PDO), operating plants in Bahja, Rima, Nimr and Marmul, confirmed the technical feasibility of treating reject brines in simple processing routes using SAL-PROC technology. SAL-PROC is an integrated process for sequential extraction of dissolved elements from inorganic saline waters in the form of valuable chemical products in crystalline, slurry and liquid forms. The process involves multiple evaporation and/or cooling, supplemented by mineral and chemical processing. An analysis indicated that various types of salts including gypsum, sodium chloride, magnesium hydroxide, calcium chloride, calcium carbonate, and sodium sulphate can be produced from the reject brine of PDO desalination plants. These products have an approximate market value of US $895,000 annually.

Original languageEnglish
Pages (from-to)109-117
Number of pages9
JournalDesalination
Volume158
Issue number1-3
DOIs
Publication statusPublished - Aug 1 2003

Fingerprint

Desalination
brine
Salts
salt
Petroleum
Evaporation
Crude oil
Brines
Calcium chloride
Sodium sulfate
Magnesium Hydroxide
evaporation
Saline water
Gypsum
petroleum
Calcium carbonate
Ponds
Sodium chloride
Processing
Calcium Sulfate

Keywords

  • Brine
  • Chloride
  • Gypsum
  • Magnesium
  • Oman
  • PDO
  • SAL-PROC
  • Salt
  • Sodium
  • Sulphate

ASJC Scopus subject areas

  • Filtration and Separation

Cite this

Ahmed, M., Arakel, A., Hoey, D., Thumarukudy, M. R., Goosen, M. F. A., Al-Haddabi, M., & Al-Belushi, A. (2003). Feasibility of salt production from inland RO desalination plant reject brine: A case study. Desalination, 158(1-3), 109-117. https://doi.org/10.1016/S0011-9164(03)00441-7

Feasibility of salt production from inland RO desalination plant reject brine : A case study. / Ahmed, Mushtaque; Arakel, Aro; Hoey, David; Thumarukudy, Muralee R.; Goosen, Mattheus F A; Al-Haddabi, Mansour; Al-Belushi, Abdullah.

In: Desalination, Vol. 158, No. 1-3, 01.08.2003, p. 109-117.

Research output: Contribution to journalArticle

Ahmed, M, Arakel, A, Hoey, D, Thumarukudy, MR, Goosen, MFA, Al-Haddabi, M & Al-Belushi, A 2003, 'Feasibility of salt production from inland RO desalination plant reject brine: A case study', Desalination, vol. 158, no. 1-3, pp. 109-117. https://doi.org/10.1016/S0011-9164(03)00441-7
Ahmed, Mushtaque ; Arakel, Aro ; Hoey, David ; Thumarukudy, Muralee R. ; Goosen, Mattheus F A ; Al-Haddabi, Mansour ; Al-Belushi, Abdullah. / Feasibility of salt production from inland RO desalination plant reject brine : A case study. In: Desalination. 2003 ; Vol. 158, No. 1-3. pp. 109-117.
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