Optimization of multi-pressure himidification-dehumidification desalination using thermal vapor compression and hybridization

Author(s)
Mistry, Karan Hemant; Govindan, Prakash Narayan; Mitsos, Alexander; Lienhard, John H.
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Abstract
Humidification-dehumidification (HD or HDH) desalination, and specifically HD driven by a thermal vapor compressor (TVC), is a thermal desalination method that has the potential to produce potable water efficiently in order to address the growing demand for water. This article presents a numerical study and optimization of two HD-TVC cycle configurations in order to determine the best achievable thermal performance. Through the use of nonlinear programming, it is found that the simplest configuration of HD-TVC has performance comparable to a traditional single-stage, single-pressure HD cycle (GOR 0.8–2.0), while the hybridized HD-TVC cycle with reverse osmosis (RO) has thermal performance that is competitive with existing large scale desalination systems (GOR 11.8–28.3).
Description
Conference site: http://www.ishmt2011.iitm.ac.in/
Date issued
2011-12
URI
http://hdl.handle.net/1721.1/71227
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Journal
Proceedings of the 21st National & 10th ISHMT-ASME Heat and Mass Transfer Conference
Publisher
American Society of Mechanical Engineers, and Indian Society for Heat and Mass Transfer
Citation
Mistry, Karan H. et al. "Optimization of multi-pressure himidification-dehumidification desalination using thermal vapor compression and hybridization." in Proceedings of the 21st National & 10th ISHMT-ASME Heat and Mass Transfer Conference, December 27–30, 2011, IIT Madras, India.
Version: Author's final manuscript
Other identifiers
ISHMT USA 015
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