Abstract：During cyanobacteria blooms, a large amount of algal organic matter (AOM) can be released into water from cyanobacterial cells due to cell growth and/or effect of drinking water treatment processes (e.g., pre-oxidation and coagulation). AOM can react with chlorine to generate numerous disinfection byproducts (DBPs), which could increase health risk of drinking water. Accordingly, for a better control of AOM-derived DBPs, it is of paramount importance to study the relationship between AOM characteristics and DBPs formation. This paper provided a brief review on main physicochemical characteristics of AOM (i.e., dissolved organic carbon, dissolved organic nitrogen, hydrophobicity, optical features, molecular weight, and chemical structure) and their effects on AOM reduction/transformation and DBPs formation in drinking water. Furthermore, this paper discussed future applications of AOM precursor characterization methods to AOM tracing and DBPs prediction during cyanobacteria-polluted water treatment processes, with prospects of future research.
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