Economic and Technical Analysis of a Hybrid Dry Cooling Cycle to Replace Conventional Wet Cooling Towers for High Process Cooling Loads

Aqeel Ahmad Taimoor (), Usman Saeed, Sami-ullah Rather (), Saad Al-Shahrani, Hisham S. Bamufleh, Hesham Alhumade, Aliyu Adebayo Sulaimon, Walid M. Alalayah and Azmi Mohd Shariff
Additional contact information
Aqeel Ahmad Taimoor: Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box, 80204, Jeddah 21589, Saudi Arabia
Usman Saeed: Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box, 80204, Jeddah 21589, Saudi Arabia
Sami-ullah Rather: Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box, 80204, Jeddah 21589, Saudi Arabia
Saad Al-Shahrani: Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box, 80204, Jeddah 21589, Saudi Arabia
Hisham S. Bamufleh: Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box, 80204, Jeddah 21589, Saudi Arabia
Hesham Alhumade: Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box, 80204, Jeddah 21589, Saudi Arabia
Aliyu Adebayo Sulaimon: Department of Petroleum Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia
Walid M. Alalayah: Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box, 80204, Jeddah 21589, Saudi Arabia
Azmi Mohd Shariff: Department of Chemical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak, Malaysia

Energies, 2022, vol. 15, issue 21, 1-17

Abstract: Scarcity has made fresh water too economically and socially too valuable to be used by the processing industry without restriction. Wet evaporative cooling cycles offer competitive advantages in terms of CoP compared to other cooling cycles with relatively low cost but requiring extensive quantities of water. Dry cooling, on the other hand, requires large heat-transfer areas, in addition to high power requirements. In this study, a hybrid cycle is proposed for high-end cooling loads of 215 MW. The proposed cycle combines the benefits of phase change to make dry cycles competitive. Furthermore, the proposed cycle also diminishes the extensive use of various chemicals used in wet cooling cycles. The applicable dry bulb temperature range is 25–50 °C. Variations in cooling fluid cold temperature due to ambient conditions are curtailed to a maximum of 2 °C by the proposed cycle. A technoeconomic comparison of the proposed solution to wet evaporative cooling is presented, and the effects are summarized without providing extensive design calculations. ASPEN modules are used design and simulation.

Keywords: wet cooling tower; economic analysis; hybrid cooling cycle; dry and wet bulb temperature (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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