2007
DOI: 10.1002/j.1551-8833.2007.tb08062.x
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Removal of organics and control of bromate for a southern china water supply

Abstract: A pilot plant with successive preozonation, coagulation-sedimentation, sand filtration, postozonation, and biological activated carbon was operated for more than six months to treat reservoir water containing 15-38 µg/L of bromide in southern China. Preozonation enhanced the removal of chemical oxygen demand using potassium permanganate as the oxidant (COD Mn ) and ultraviolet light absorbance at 254 nm (UV 254 ) using coagulationsedimentation but did not improve total organic carbon (TOC)-removal effectively.… Show more

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Cited by 4 publications
(3 citation statements)
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“…These programs focused on the application conditions of ozone and activated carbon, stressing on the control of bromate during ozonation. Figure 8 shows the pilot experimental setup used for advanced treatment study in Shenzhen [46][47][48]. The control of bromate formation during ozonation was first studied in this program.…”
Section: Advanced Treatmentsmentioning
confidence: 99%
See 1 more Smart Citation
“…These programs focused on the application conditions of ozone and activated carbon, stressing on the control of bromate during ozonation. Figure 8 shows the pilot experimental setup used for advanced treatment study in Shenzhen [46][47][48]. The control of bromate formation during ozonation was first studied in this program.…”
Section: Advanced Treatmentsmentioning
confidence: 99%
“…From the tenth Five-Year National Plan (2001)(2002)(2003)(2004)(2005), China has started several big projects concerning drinking water safety, which for the first time included research on preozonation. Preozonation on a bromide-bearing reservoir source water in south China at ozone doses of 0.5-1.0 mg/L (at ozone consumption base) was found to enhance the removals of trihalomethane formation potentials (THMFP) and haloacetic acid formation potentials (HAAFP) by conventional treatment significantly without formation of bromate [46][47][48]. Except for the selective enhancement of the DBPFPs removal, preozonation at an ozone dose of 0.2 mg/L was also found to be very effective in decreasing turbidity and particle number of the filtrate and prolonging the filtration duration.…”
Section: Pretreatment Technologiesmentioning
confidence: 99%
“…The AWTP by a BAC filtration process can reduce the concentration of dissolved organic carbon (DOC) in raw water more than a general water treatment process without the BAC procedure [22][23][24]. The film formed on the inner surface of water pipes by natural organic matter (NOM) included in the DOC components plays some role in corrosion prevention [25].…”
Section: Introductionmentioning
confidence: 99%