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Water Resources in Arid Areas: The Way Forward pp 319–333Cite as

Techno-economical Comparison of MED and RO Seawater Desalination in a Large Power and Water Cogeneration Plant in Iran

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Part of the book series: Springer Water ((SPWA))

Abstract

Seawater desalination is one of the major solutions to overcome water crisis in MENA region. In this paper, two main scenarios have been studied for desalting seawater from the source of the Persian Gulf. First scenario is based on two 170 MW gas turbines, one 160 MW steam turbine and 143,000 m3/day MED thermal desalination, while the second plant is based on two 170 MW gas turbines, one 95 MW steam turbine and 143,000 m3/day SWRO membrane desalination. Technical and economical modeling of each scenario has been done and their levelized water costs have been compared. Results show that levelized water cost in cogeneration plant with membrane desalination is lower than cogeneration plant with thermal desalination in the range of 0 (Energy conversion agreement) to 30 $cent/m3 for fuel price. For Persian Gulf FOB gas price of 8.6 $cent/m3, MED water cost is 1.16 $/m3 and SWRO water cost is 0.99 $/m3. Sensitivity analysis has been done for a range of availability in power and water production, years of operation, and capital cost margin.

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Notes

  1. 1.

    Multi Effect Distillation.

  2. 2.

    Reverse Osmosis.

  3. 3.

    Free On Board (Global price).

Abbreviations

A:

Availability

C:

Cost

CC:

Capital cost

D:

Days of a year

E:

Net electrical power (kW)

e* :

Unit capital cost of power block ($/kW)

F:

Fuel consumption (m3/h)

H:

Hours of a day

i:

Interest rate

L:

Ratio of loan to total capital cost

N:

Year

n:

nth year

O&M:

Annual O&M cost

P:

Price

T:

Tax related to profit

w* :

Unit capital cost of water block ($/m3/day)

Φ:

Annual operation and maintenance cost ($/m3)

c:

Related to construction period

f:

Related to fuel

l:

Related to loan

o:

Related to operation period

p:

Related to power block

real:

Related to capital cost affected by loan and construction period

w:

Related to water block

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Acknowledgements

We acknowledge the support of the Iran Power Plant Projects Management Company (MAPNA Group)—Investment Project Division for financial and technical support

Author information

Authors and Affiliations

  1. Mechanical and Energy Department of Abbaspour College of Engineering, Shahid Beheshti University, Tehran, Iran

    Babak Golkar & Ramin Haghighi Khoshkhoo

  2. Research and Development Department of Monenco Iran Consulting Engineers, Tehran, Iran

    Aliasghar Poursarvandi

Authors
  1. Babak Golkar
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  2. Ramin Haghighi Khoshkhoo
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  3. Aliasghar Poursarvandi
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Corresponding author

Correspondence to Ramin Haghighi Khoshkhoo .

Editor information

Editors and Affiliations

  1. Earth Sciences Department, College of Science, Sultan Qaboos University, AlKhod, Oman

    Osman Abdalla

  2. Sutan Qaboos University , AlKhod, Oman

    Anvar Kacimov

  3. Water Research Center, Sultan Qaboos University Hydrogeology/Water Research Ctr, AlKhod, Oman

    Mingjie Chen

  4. Sultan Qaboos University , AlKhod, Oman

    Ali Al-Maktoumi

  5. Sultan Quaboos University , AlKhod, Oman

    Talal Al-Hosni

  6. Earth Sciences, University of Ottawa Earth Sciences, Ottawa, Ontario, Canada

    Ian Clark

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Golkar, B., Khoshkhoo, R.H., Poursarvandi, A. (2017). Techno-economical Comparison of MED and RO Seawater Desalination in a Large Power and Water Cogeneration Plant in Iran. In: Abdalla, O., Kacimov, A., Chen, M., Al-Maktoumi, A., Al-Hosni, T., Clark, I. (eds) Water Resources in Arid Areas: The Way Forward. Springer Water. Springer, Cham. https://doi.org/10.1007/978-3-319-51856-5_18

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