Molecular size distribution of dissolved organic matter in water of the Pearl River and trihalomethane formation characteristics with chlorine and chlorine dioxide treatments.
作者： Zhen-Ye Zhao , Ji-Dong Gu , Xiao-Jun Fan , Hai-Bo Li
DOI: 10.1016/J.JHAZMAT.2005.10.032
关键词:
摘要: Abstract River water sample was collected from Guangzhou section of the Pearl to investigate soluble organic fractions and formation trihalomethane (THMs) after chlorine dioxide treatments. The passed through Amicon® YC-05, YM-1, YM-3, YM-10, YM-30, YM-100 ZM-500 series membranes a pre-treatment. molecular weight distribution specific ultra-violet absorbance (SUVA254) each fraction obtained membrane were analyzed, these further disinfected with dioxide. results showed that reverse osmosis (RO) contained mainly dissolved matter (DOM) sample, suggesting has been highly contaminated by anthropogenic activities. Meanwhile, THMs concentration SUVA254 increased gradually as reduced, indicating low DOM major precursor in disinfection process suggest source could be effectively reduced when pollution human activity is greatly controlled. Between two processes tested, produced less than this study.
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