強化混凝-臭氧-薄膜處理提升過濾程序出水
溶解性有機物質之去除

吳偲瑀

doi:10.6342/NTU.2015.02509

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強化混凝-臭氧-薄膜處理提升過濾程序出水溶解性有機物質之去除

Improving Dissolved Organic Matter Removal by Enhanced Coagulation-Membrane-Ozone Process

吳偲瑀 , Masters　　Advisor：林正芳　　

繁體中文 DOI： 10.6342/NTU.2015.02509

強化混凝；粉狀活性碳；陶瓷膜過濾；臭氧； DAX-8樹脂；膠凝過濾層析樹脂； Coagulation ； ceramic membrane ； dissolved organic matter ； ozone ； powder activated carbon

Abstract │ Reference (75) │ Altmetrics

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The removal of dissolved organic matter (DOM) by conventional treatment processes in drinking water treatment plants (DWTPs) has been ineffective in Tai-lake on Kinmen. In this study, various advanced treatments were tested for DOM removal. Combined the result by Lin., (2014), this year, Enhanced coagulation, Powdered activated carbon (PAC), ceramic membrane (CM), and ozone were used in various combinations to effect removal of DOM in the DWTP in Kinmen, Taiwan. The rapid sand filtration effluent from the Tai Lake DWTP of Kinmen, Taiwan with DOC of 10.87 mg/L was treated with poly aluminum chloride (PACL) as a coagulant and DOC reduction was measured by DOC and UV absorbance at 254 nm. The molecular size distribution (MSD) of DOM was investigated using gel filtration chromatography (GFC) and its hydrophilic/hydrophobic (HPI/HPO) characteristics using the DAX-8 resin. DOM removal efficiency was improved when EC and PAC were used prior to CM and ozone, resulting in removal of DOC from 10.87 to 1.57 mg TOC /L with corresponding decrease in UV254 from 0.087 to 0.013. The removal efficiencies for DOCHPO and DOCHPI were 88% and 79%, respectively. The PAC could adsorb more low molecular weight (MW) organic matter, and the high MW organic matter could be more efficiently removed by PACL as well as ozone. This process shows promise in improving DOM removal and the potential to increase compliance with the drinking water standard of Taiwan.

Reference ( 75 ) 〈TOP〉

Aiken, G.R., McKnight, D.M., Thorn, K.A. and ThurmanE.M. (1992) Isolation of hydrophilic organic acids from water using nonionic macroporous resins. Organic Geochemistry, 18(4), 567-574.
連結：
Al-Degs, Y.S., El-Barghouthi, M.I., El-Sheikh, A.H. and Walker, G.M. (2008) Effect of solution ph, ionic strength, and temperature on adsorption behavior of reactive dyes on activated carbon. Dyes and Pigments, 77(1), 16-24.
連結：
Álvarez-Uriarte, J.I., Iriarte-Velasco, U., Chimeno-Alanís, N. and González-Velasco, J.R. (2010) The effect of mixed oxidants and powdered activated carbon on the removal of natural organic matter. Journal of Hazardous Materials, 181, 431-437.
連結：
Amy, G.L., Tan, L. and Davis, M.K. (1991) The effects of ozonation and activated carbon adsorption on trihalomethane speciation. Water Research, 25(2), 191-203.
連結：
APHA (1992) Standard methods for the examination of water and wastewater. American Public Health Association, American Water Works Association, Water Environment Federation, Washington D.C.,
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