The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes

Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.

Bibliographic Details
Main Author: McConnon, Dillon James
Other Authors: Lallit Anand.
Format: Thesis
Language:eng
Published: Massachusetts Institute of Technology 2015
Subjects:
Online Access:http://hdl.handle.net/1721.1/98777
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author McConnon, Dillon James
author2 Lallit Anand.
author_facet Lallit Anand.
McConnon, Dillon James
author_sort McConnon, Dillon James
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description Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.
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spelling mit-1721.1/987772019-04-11T14:27:02Z The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes McConnon, Dillon James Lallit Anand. Massachusetts Institute of Technology. Department of Mechanical Engineering. Massachusetts Institute of Technology. Department of Mechanical Engineering. Mechanical Engineering. Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015. Cataloged from PDF version of thesis. Includes bibliographical references (pages 59-60). A stirred-cell reverse osmosis setup was used to demonstrate that a seawater reverse osmosis membrane can maintain excellent rejection at pressures as high as 172 bar. However, it was also demonstrated that there was a significant drop in permeability at high pressures - likely due to membrane compaction. A simple visco-elastic model was shown to be able to model the overall shape of the permeability curve in time. However, this model does not match the data well when pressure is removed and then reapplied. From the perspective of membrane performance, RO is feasible at high pressures but distinct challenges are presented by reduced permeability and increased variability in flux. by Dillon James McConnon. S.B. 2015-09-17T19:11:21Z 2015-09-17T19:11:21Z 2015 2015 Thesis http://hdl.handle.net/1721.1/98777 920922088 eng M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582 60 pages application/pdf Massachusetts Institute of Technology
spellingShingle Mechanical Engineering.
McConnon, Dillon James
The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes
title The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes
title_full The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes
title_fullStr The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes
title_full_unstemmed The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes
title_short The effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes
title_sort effect of very high hydraulic pressure on the permeability and salt rejection of reverse osmosis membranes
topic Mechanical Engineering.
url http://hdl.handle.net/1721.1/98777
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