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Item Description Chang, Bei-Jiann en_US Young, Reginald H.F. en_US Chou, James C.S. en_US 2010-10-04T21:53:46Z 2010-10-04T21:53:46Z 1973-11 en_US
dc.identifier.citation Chang B, Young RHF, Chou JCS. 1973. Application of reverse osmosis technology to Hawaiian low quality waters. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 73. en_US
dc.description.abstract A study of the application of reverse osmosis technology to the treatment of Hawaiian low quality waters was conducted. The purpose of the study was to investigate the technical and economical feasibility of utilizing reverse osmosis technology to renovate waste waters after varying degrees of conventional treatment, and to desalt Hawaiian brackish groundwater from both basaltic and reef limestone aquifers. The experimental investigation of the technical feasibility of renovating waste water and desalting brackish groundwater was conducted with a small reverse osmosis pilot unit at four test sites on the island of Oahu. The operation of the reverse osmosis pilot unit in processing waste waters suffered from the problem of performance decline. However, the pilot unit's operation with brackish groundwater yielded promising results. In general, high rejections of total dissolved solids, refractory organics, nutrients, bacteria, and virus were accomplished by the unit. Two waste water reclamation schemes incorporating the reverse osmosis process were considered possible in Hawaii. Treatment expenditures of the two schemes were estimated at 97.8 cents and 103.2 cents per 1000 gallons of treated waste water. Based on a cost model developed for estimating desalting costs by reverse osmosis plants with spiral wound modules, product water costs in Hawaii were estimated at 83.7 cents, 63.4 cents, and 49.7 cents per 1000 gallons for 1, 10, and 50 mgd plants, respectively. en_US
dc.description.sponsorship OWRR Project No. A-036-HI, Grant Agreement No. 14-31-0001-3811 The programs and activities described herein were supported in part by funds provided by the United States Department of the Interior as authorized under the Water Resources Research Act of 1964, Public Law 88-379. en_US
dc.format.extent vi + 54 pages en_US
dc.publisher Water Resources Research Center, University of Hawaii at Manoa en_US
dc.relation.ispartofseries WRRC Technical Reports en_US
dc.relation.ispartofseries 73 en_US
dc.subject.lcsh Water -- Purification -- Reverse osmosis process. en_US
dc.subject.lcsh Sewage -- Purification -- Reverse osmosis process. en_US
dc.subject.lcsh Water reuse -- Hawaii -- Oahu. en_US
dc.title WRRCTR No. 73 Application of Reverse Osmosis Technology to Hawaiian Low Quality Waters en_US
dc.type Report en_US
dc.type.dcmi Text en_US

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