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Title: WRRCTR No. 115 Refractory Organic Compounds in Treated Effluent and Their Removal by Soil, Mililani, O'ahu, Hawai'i
Authors: Fischer, Charles
Green, Richard E.
Burbank, Nathan C Jr.
LC Subject Headings: Organic water pollutants -- Hawaii -- Oahu.
Sewage -- Purification -- Chlorination.
Sewage irrigation -- Hawaii -- Oahu.
Soil percolation -- Hawaii -- Oahu.
Issue Date: Dec-1977
Publisher: Water Resources Research Center, University of Hawaii at Manoa
Citation: Fischer C, Green RE, Burbank NC. 1977. Refractory organic compounds in treated effluent and their removal by soil, Mililani, O'ahu, Hawaii. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 115.
Series/Report no.: WRRC Technical Report
Abstract: Increased water consumption on O'ahu has encouraged the use of treated sewage effluent for irrigation. This study seeks to identify organic compounds in treated effluent and to determine if such compounds are adosrbed by soil so that the qroundwater is not adversely affected.
XAD-2 resin is used to extract and concentrate trace organic compounds in treated effluent. Electron capture gas chromatography and combined gas chromotography-mass spectrometry (GC/MS)
indicate that some of the organic compounds in the treated effluent are chloninated. Gas chromatography tests also confirm the
presence of naphthalene and bromobenzene in the treated effluent. Organic compounds which could be detected by electron capture gas chromatography data are effectively removed by the Lahaina soil when the treated effluent is applied as irrigation water to a sugarcane field. On the other hand, GC/MS results
indicate that the Lahaina soil only partially adsorbs organics, such as paraffins and steroids. Laboratory measurements of
adsorption of organic compounds from effluent do not adequately represent the extent of adsorption measured in the field.
Sponsor: U.S. Department of the Interior and the Water Resources Research Center, University of Hawaii Grant/Contract No. 14-34-0001-6012, 7025, 7026 Project No. A-058-HI
Pages/Duration: vi + 39 pages
Appears in Collections:WRRC Technical Reports

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