On the thermodynamics of dual purpose power desalting plants Part II. Using gas turbines

M. A. Darwish, A. Elhadek, A. Dayoub

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Recent advances in gas turbine cycles and combined gas/steam combined cycles are presented. First and second law analysis of gas turbine cycles is presented and shows that substantial available energy (up to 30% of fuel availability) is carried out by gas turbine exhaust gases. This available energy can be utilized for further heat to work conversion or for direct process heating. Heat recovered from gas turbine exhaust gases in heat recovery steam generator (HRSG) can generate relatively high pressure steam to be supplied to Rankine steam power cycle to form gas/steam power cycle of high efficiency (40-45%). Steam can be generated at low pressure in the HRSG for direct supply to the brine heater of a multistage flash MSF desalting system. Possible combination of simple gas turbine cycle or combined gas/steam cycle with reverse osmosis or MSF sea water desalting systems are presented and evaluated. The evaluation indicates that most of these combination are more superior than combination with steam power plants from energy view points.

Original languageEnglish
Pages (from-to)169-182
Number of pages14
JournalDesalination
Volume64
Issue numberC
Publication statusPublished - 1 Dec 1987
Externally publishedYes

Fingerprint

Salt removal
Steam
turbine
Gas turbines
power plant
thermodynamics
Thermodynamics
gas
Gases
Steam generators
Waste heat utilization
Exhaust gases
Steam power plants
Industrial heating
Reverse osmosis
energy
Availability
brine
low pressure
Water

ASJC Scopus subject areas

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

Cite this

On the thermodynamics of dual purpose power desalting plants Part II. Using gas turbines. / Darwish, M. A.; Elhadek, A.; Dayoub, A.

In: Desalination, Vol. 64, No. C, 01.12.1987, p. 169-182.

Research output: Contribution to journalArticle

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