Techno-economic analysis of hybrid high performance MSF desalination plant with NF membrane

Abdelnasser Aboukhlewa, Hassan El banna S Fath

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Techno-economic analysis of a newly developed high performance multistage flash configuration with deaeration and brine mix (MSF-DM) is presented. The techno-economical analysis includes also the use of nanofiltration (NF) as a pretreatment method for MSF to increase its top brine temperature (TBT) to 130°C. A mathematical model of NF membrane is developed and verified using Visual Design and Simulation program for typical operating NF unit (Umlluj, KSA). The techno-economic analysis of integrating NF pretreatment for the existing multistage flash-brine recirculation (MSF-BR) and newly developed MSF-DM configurations is performed. Integration of NF system to existing desalination plant (NF-MSF) and treatment of only 30% of make-up enable to increase the TBT up to 130°C, the production can be increased to 19%. The cost analysis showed the unit product cost is 5.4% higher than that conventional MSF (at 110°C) due to the additional capital cost of NF system. Integrating NF system to new configuration (NF-MSF-DM) desalination plant at the TBT = 130°C, the gain output ratio could be as high as 16, i.e. double the convention MSF-BR. The new NF-MSF-DM configuration significantly reduces the unit's input thermal energy to suit the use of (the relatively expensive) solar energy as a desalination plant driver. On the other hand, the level-ized water cost of NF-MSF-DM (at TBT = 130°C) is 14% lower than conventional MSF (at 110° C) at the current oil price 104$/bbl.

Original languageEnglish
Pages (from-to)844-856
Number of pages13
JournalDesalination and Water Treatment
Volume51
Issue number4-6
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Nanofiltration membranes
Nanofiltration
Economic analysis
Desalination
economic analysis
brine
membrane
temperature
Costs
cost analysis
desalination plant
cost
Temperature
Water levels
Thermal energy
Solar energy
oil
Mathematical models

Keywords

  • Cost analysis
  • Desalination
  • MSF
  • NF

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Techno-economic analysis of hybrid high performance MSF desalination plant with NF membrane. / Aboukhlewa, Abdelnasser; Fath, Hassan El banna S.

In: Desalination and Water Treatment, Vol. 51, No. 4-6, 2013, p. 844-856.

Research output: Contribution to journalArticle

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