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Item Description Dugan, Gordon L. en_US Fujioka, Roger S. en_US Lau, L. Stephen en_US Takei, Gerald H. en_US Gee, Henry K. en_US McParland, Terra L. en_US 2009-06-09T21:42:34Z 2009-06-09T21:42:34Z 1992-10 en_US
dc.identifier.citation Dugan GL, Fujioka RS, Lau LS, Takei GH, Gee HK, McParland TL. 1992. Granular activated carbon treatment of Mililani well water: Phase II study to extend effective life of GAC, six-month progress report. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC special report, 09:24:92. en_US
dc.description.abstract The aerated Mililani well water, which removed about 40% of TCP, and spiked deionized water, intended to reduce the level of natural background organics, both appeared to increase the volume of water passing through the minicolumns before breakthrough by nearly 40%. Likewise the carbon usage rates for the spiked deionized water and aerated Mililani well water decreased in comparison to untreated Mililani well water, except for the March 1992 minicolumn experiment, which was nearly the same. More minicolumn tests will need to be performed to ascertain if the March 1992 minicolumn results were reasonable or, possibly an anomaly. The minimum minicolumn carbon usage values of approximately 0.022 lb/1000 gal did not simulate field operation values which ranged from 0.135 to 0.150 lb/1000 gal; however a close correlation would not be expected. In addition, the aerated Mililani well water samples did not increase the weight of TCP and DBCP that was able to be adsorbed by the pulverized GAC. Thus, it seems apparent that background material (presumably organic or primarily organic material) may be utilizing adsorption sites. No apparent relationship existed for TC or NPOC removal before and after breakthrough. Further minicolumn experiments will be continued to substantiate the minicolumn experimental data collected to date. en_US
dc.description.sponsorship Board of Water Supply City and County of Honolulu Grant/contract No C09012 en_US
dc.format.extent x + 39 pages en_US
dc.language.iso en-US en_US
dc.publisher Water Resources Research Center, University of Hawaii at Manoa en_US
dc.relation.ispartofseries WRRC Special Reports en_US
dc.relation.ispartofseries 09:24:92 en_US
dc.subject water treatment en_US
dc.subject atomic absorption spectrophotometry en_US
dc.subject gas chromatography en_US
dc.subject mass spectrometry en_US
dc.subject granular activated carbon en_US
dc.subject minicolumn carbon en_US
dc.subject DBCP en_US
dc.subject TCP en_US
dc.subject Mililani Wells en_US
dc.subject Mililani Water Treatment Plant en_US
dc.subject Oahu en_US
dc.subject Hawaii en_US
dc.subject.lcsh Carbon, Activated. en_US
dc.subject.lcsh Mililani (Hawaii) en_US
dc.subject.lcsh Water -- Purification -- Adsorption -- Hawaii -- Oahu. en_US
dc.subject.lcsh Water quality management -- Hawaii -- Oahu. en_US
dc.title WRRCSR No.09:24:92 Granular Activated Carbon Treatment of Mililani Well Water: Phase II Study to Extend Effective Life of GAC, Six-Month Progress Report en_US
dc.type Report en_US
dc.type.dcmi Text en_US

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