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Treatment of Mililani I Well Water By "Nanofiltration"

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Item Summary

Title: Treatment of Mililani I Well Water By "Nanofiltration"
Authors: Chaturvedula, Durgaprasad
LC Subject Headings: Water—Purification--Filtration--Hawaii--Mililani.
Membrane separation
Issue Date: Aug 1995
Publisher: Water Resources Research Center, University of Hawaii at Manoa
Citation: Chaturvedula D. 1995. Treatment of Mililani I well water by "nanofiltration". Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC unedited report, 95-02.
Series/Report no.: WRRC Unedited Reports.
Abstract: Two nanofiltration membranes, a thin film composite (TFC) membrane, a cellulose triacetate (CTA) membrane, were tested as pretreatment alternatives to extend the effective life of GAC at Mililani Wells I, Oahu, Hawaii. TFC membranes achieved excellent 1,2,3-trichloropropane (TCP), and 1,2-dibromo-3-chloropropane (DBCP) removal percentages whereas CTA membranes performed very poorly. TFC membranes showed promising signs of reducing total organic carbong (TOC) from the nanofiltration unit influent. In Mililani waters, only TCP is present in large amounts. It is suggested that further studies should be conducted where there is a chance of observing membrane's performance against high quantities of 1,2-dibromoethane (EDB), and DBCP. Due to the lack of trained personnel, not many TOC analyses were conducted. It is proven that nanofiltration is a viable treatment alternative and a pilot scale study should be conducted in the future taking economics also into consideration.
Description: Thesis (M. S.)--University of Hawaii at Manoa, 1995.
Includes bibliographical references (leaves 46-48).
UHM: Has both book and microform.
Sponsor: Water Resources Research Center
Pages/Duration: viii + 48 pages
Rights: All UHM dissertations and 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 from the copyright owner.
Appears in Collections:M.S. - Civil Engineering
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