Characterization of NOM and THM formation potential in eutrophic reservoir water
ZHANG Bing1, LIU Zhi-sheng1, ZHOU Xuan2, LIU Li3, CUI Fu-yi1
1.School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090;2.Dept. of Environmental Engineering,Jilin Architectural and Civil Engineering Institute,Changchun 130021,China;3.Changchun Water(Group) Co.,Ltd.,Changchun 130041,China
Abstract:
Resin adsorption technique with XAD-8 and XAD-4 was used to characterize the raw water from Erlong reservoir in Jilin province of China. The NOM chemical composition sequences of four organic fractions in the raw water,from high to low,are fulvic acid (FA) fraction,hydrophilic non-acid (HPINA) fraction,hydrophilic acid (HPIA) fraction,and humic acid (HA) fraction. Experimental results show that FA is the main precursor of THMFP among the four organic fractions. However,HA or hydrophobic acid exhibits the highest chlorination activity in forming THMs. It is also found that the value of FI/DOC or SUVA and the specific THMFP have better positive correlation. It is implied that certain source water has unique nature of NOM and DBPs.
Key words: natural organic matter (NOM) disinfection by-products trihalomethane formation potential (THMFP) chlorination activity fraction
DOI：10.11916/j.issn.1005-9113.2009.03.005
Clc Number:TU991.2
Fund:
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Characterization of NOM and THM formation potential in eutrophic reservoir water
本站小编 哈尔滨工业大学/2019-10-23
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