While a range of natural organic matter (NOM) types can generate high levels of disinfection by-products (DBPs) after chlorination, there is little understanding of which specific compounds act as precursors. Use of eight model compounds allows linking of explicit properties to treatability and DBP formation potential (DBPFP). The removal of model compounds by various treatment processes and their haloacetic acid formation potential (HAAFP) before and after treatment were recorded. The model compounds comprised a range of hydrophobic (HPO) and hydrophilic (HPI) neutral and anionic compounds. On the treatment processes, an ozone oxidation process was moderate for control of model compounds, while the HPO-neutral compound was most treatable with activated carbon process. Biodegradation was successful in removing amino acids, while coagulation and ion exchange process had little effect on neutral molecules. Although compared with the HPO compounds the HPI compounds had low HAAFP the ozone oxidation and biodegradation were capable of increasing their HAAFP. In situations where neutral or HPI molecules have high DBPFP additional treatments may be required to remove recalcitrant NOM and control DBPs.
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이 논문을 인용한 문헌 (1)
Son, Hee-Jong ; Hwang, Young-Do ; Ryu, Dong-Choon ; Jung, Chul-Woo ; Lee, Gun ; Son, Hyeng-Sik 2014. "Evaluation of Haloacetic Acid Formation Potential in Drinking Water Treatment Process by Fraction Technique" Journal of environmental science international = 한국환경과학회지, 23(9): 1655~1662