Formation of THMs, Microcystin-LR and Odors from Microcystis aeruginosa - Derived Organic Matter

Huan Wang; Dong Mei Liu; Peng Wang; Fu Yi Cui

doi:10.4028/www.scientific.net/AMR.1051.348

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1051Formation of THMs, Microcystin-LR and Odors from...

Formation of THMs, Microcystin-LR and Odors from Microcystis aeruginosa - Derived Organic Matter

Abstract:

Algogenic organic matter (AOM), including extracellular organic matters (EOM) and intracellular organic matters (IOM) can interfere with drinking water treatment processes and cause water quality problems, among which the formation of disinfection byproducts (DBPs), microcystins and odor and taste compounds are of particular concern. In this study, the formations of THMs, Microcystins-LR and 2-MIB during four growth phase (lag phase, exponential phase, stationary phase and death phase) were investigated. The THMs formation potential of EOM and IOM were compared. Higher CHCl3 concentration was found in IOM than that in EOM. In the presence of bromide, more brominated-THMs generated, and the TTHMs increased more rapidly in EOM than IOM. The 2-MIB was found a similar trend with the MC-LR in the four growth phase. The total 2-MIB was gradually increased as a function of the time. The formation of MC-LR and 2-MIB depended on algae density.

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Periodical:

Advanced Materials Research (Volume 1051)

Pages:

348-352

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1051.348

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Online since:

October 2014

Authors:

Huan Wang*, Dong Mei Liu, Peng Wang, Fu Yi Cui

Keywords:

2-MIB, Disinfection By-Product, Extracellular Organic Matter, Intracellular Organic Matter, Microcystin-Lr

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