High-temperature-steam-driven, varied-pressure, humidification-dehumidification system coupled with reverse osmosis for energy-efficient seawater desalination

G. Prakash Narayan; Ronan K. McGovern; Syed M. Zubair; John H. Lienhard

doi:10.1016/j.energy.2011.11.007

High-temperature-steam-driven, varied-pressure, humidification-dehumidification system coupled with reverse osmosis for energy-efficient seawater desalination

G. Prakash Narayan, Ronan K. McGovern, Syed M. Zubair, John H. Lienhard^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

92 Scopus citations

Abstract

The specific thermal energy consumed by steam driven thermal desalination systems can be decreased significantly by reducing the total entropy rate of steam used per unit mass of distilled water produced in the system. This specific entropy rate can be reduced by using a high pressure, saturated steam at a low specific entropy and high specific enthalpy. However, the temperature of steam that can be used is limited owing to scale formation considerations. In this manuscript, we propose a novel carrier gas based desalination cycle which can use steam at a high temperature (> 120°C) without causing formation of hard scales. This system is based on the principle of HDH (humidification dehumidification) desalination. Various salient features of this cycle are analyzed in this paper bringing out its merits and demerits. Important system and component parameters are identified to facilitate optimal operation and design. The energy performance of this new system is compared with all existing desalination systems including MSF, MED, MVC and RO. It has been found that the performance of the new system is comparable to existing thermal desalination systems and is much higher than conventional HDH systems.

Original language	English
Pages (from-to)	482-493
Number of pages	12
Journal	Energy
Volume	37
Issue number	1
DOIs	https://doi.org/10.1016/j.energy.2011.11.007
State	Published - Jan 2012

Bibliographical note

Funding Information:
The authors would like to thank the King Fahd University of Petroleum and Minerals for funding the research reported in this paper through the Center for Clean Water and Clean Energy at MIT and KFUPM. The first author would like to thank the MIT Legatum Center for development and entrepreneurship for partially funding his thesis work at MIT. The second author would like to acknowledge financial support provided by the International Fulbright Science & Technology Award , U.S. Department of State.

Keywords

Carrier gas
Desalination
Humidification
Power and water co-production
Reverse osmosis
Thermal vapor compression

ASJC Scopus subject areas

Civil and Structural Engineering
Modeling and Simulation
Renewable Energy, Sustainability and the Environment
Building and Construction
Fuel Technology
Energy Engineering and Power Technology
Pollution
Mechanical Engineering
General Energy
Management, Monitoring, Policy and Law
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.energy.2011.11.007

Cite this

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title = "High-temperature-steam-driven, varied-pressure, humidification-dehumidification system coupled with reverse osmosis for energy-efficient seawater desalination",

abstract = "The specific thermal energy consumed by steam driven thermal desalination systems can be decreased significantly by reducing the total entropy rate of steam used per unit mass of distilled water produced in the system. This specific entropy rate can be reduced by using a high pressure, saturated steam at a low specific entropy and high specific enthalpy. However, the temperature of steam that can be used is limited owing to scale formation considerations. In this manuscript, we propose a novel carrier gas based desalination cycle which can use steam at a high temperature (> 120°C) without causing formation of hard scales. This system is based on the principle of HDH (humidification dehumidification) desalination. Various salient features of this cycle are analyzed in this paper bringing out its merits and demerits. Important system and component parameters are identified to facilitate optimal operation and design. The energy performance of this new system is compared with all existing desalination systems including MSF, MED, MVC and RO. It has been found that the performance of the new system is comparable to existing thermal desalination systems and is much higher than conventional HDH systems.",

keywords = "Carrier gas, Desalination, Humidification, Power and water co-production, Reverse osmosis, Thermal vapor compression",

author = "Narayan, \{G. Prakash\} and McGovern, \{Ronan K.\} and Zubair, \{Syed M.\} and Lienhard, \{John H.\}",

note = "Funding Information: The authors would like to thank the King Fahd University of Petroleum and Minerals for funding the research reported in this paper through the Center for Clean Water and Clean Energy at MIT and KFUPM. The first author would like to thank the MIT Legatum Center for development and entrepreneurship for partially funding his thesis work at MIT. The second author would like to acknowledge financial support provided by the International Fulbright Science \& Technology Award , U.S. Department of State. ",

year = "2012",

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doi = "10.1016/j.energy.2011.11.007",

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AU - Narayan, G. Prakash

AU - McGovern, Ronan K.

AU - Zubair, Syed M.

AU - Lienhard, John H.

N1 - Funding Information: The authors would like to thank the King Fahd University of Petroleum and Minerals for funding the research reported in this paper through the Center for Clean Water and Clean Energy at MIT and KFUPM. The first author would like to thank the MIT Legatum Center for development and entrepreneurship for partially funding his thesis work at MIT. The second author would like to acknowledge financial support provided by the International Fulbright Science & Technology Award , U.S. Department of State.

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N2 - The specific thermal energy consumed by steam driven thermal desalination systems can be decreased significantly by reducing the total entropy rate of steam used per unit mass of distilled water produced in the system. This specific entropy rate can be reduced by using a high pressure, saturated steam at a low specific entropy and high specific enthalpy. However, the temperature of steam that can be used is limited owing to scale formation considerations. In this manuscript, we propose a novel carrier gas based desalination cycle which can use steam at a high temperature (> 120°C) without causing formation of hard scales. This system is based on the principle of HDH (humidification dehumidification) desalination. Various salient features of this cycle are analyzed in this paper bringing out its merits and demerits. Important system and component parameters are identified to facilitate optimal operation and design. The energy performance of this new system is compared with all existing desalination systems including MSF, MED, MVC and RO. It has been found that the performance of the new system is comparable to existing thermal desalination systems and is much higher than conventional HDH systems.

AB - The specific thermal energy consumed by steam driven thermal desalination systems can be decreased significantly by reducing the total entropy rate of steam used per unit mass of distilled water produced in the system. This specific entropy rate can be reduced by using a high pressure, saturated steam at a low specific entropy and high specific enthalpy. However, the temperature of steam that can be used is limited owing to scale formation considerations. In this manuscript, we propose a novel carrier gas based desalination cycle which can use steam at a high temperature (> 120°C) without causing formation of hard scales. This system is based on the principle of HDH (humidification dehumidification) desalination. Various salient features of this cycle are analyzed in this paper bringing out its merits and demerits. Important system and component parameters are identified to facilitate optimal operation and design. The energy performance of this new system is compared with all existing desalination systems including MSF, MED, MVC and RO. It has been found that the performance of the new system is comparable to existing thermal desalination systems and is much higher than conventional HDH systems.

KW - Carrier gas

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KW - Thermal vapor compression

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High-temperature-steam-driven, varied-pressure, humidification-dehumidification system coupled with reverse osmosis for energy-efficient seawater desalination

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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