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http://dx.doi.org/10.4491/KSEE.2012.34.2.073

Removal Characteristics of Synthetic Musk Compounds in Water by Ozone Treatment  

Seo, Chang-Dong (Water Quality Institute, Busan Water Authority)
Son, Hee-Jong (Water Quality Institute, Busan Water Authority)
Yoom, Hoon-Sik (Water Quality Institute, Busan Water Authority)
Lee, Sang-Won (Water Quality Institute, Busan Water Authority)
Ryu, Dong-Chun (Water Quality Institute, Busan Water Authority)
Publication Information
Journal of Korean Society of Environmental Engineers / v.34, no.2, 2012 , pp. 73-78 More about this Journal
Abstract
In this study, three different synthetic musk compounds (SMCs) in the Nakdong river water (raw water) and rapid sand filtered water were treated by $O_3$ process. The experimental results showed that the removal efficiency of musk ketone (MK) was lower than removal efficiency of AHTN (7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene) and HHCB (1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[c]-2-benzopyran) for both the raw water and the rapid sand filtered water. And in general, the removal efficiencies of three SMCs in the raw water were lower than that in the sand filtered water. Under the $O_3$ dose of 0.5~10.0 mg/L, the removal rate constants (k) of three SMCs for the raw and sand filtered waters increased rapidly with the increased $O_3$ dose. In the case of drinking water treatment plants (DWTPs) which were selected pre- and post-$O_3$ processes (located in the downstream of Nakdong River), operation conditions of pre- and post-$O_3$ process were $0.5{\sim}2.0mg{\cdot}O_3/L$ (2~4 min) and $0.5{\sim}2.5mg{\cdot}O_3/L$ (6~8 min). Therefore, $O_3$ doses and contact times of same conditions with above were very difficult to remove SMCs in DWTPs.
Keywords
Synthetic Musk Compounds (SMCs); MK; AHTN; HHCB; Ozone Treatment; Half Life ($t_{1/2}$);
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Times Cited By KSCI : 1  (Citation Analysis)
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