지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The objective of this research is to investigate the effect of water temperatures, pH, reaction time and organic levels on the formations of THMs and HAAs for the river water taken at lower region of the Nakdong river. Based on the results, chloroform in THMs and DCAA and TCAA in HAAs increased in proportional to increase of water temperature at more than 20℃. The ratio of TCAA to DCAA with the range of pH were 2:1 at pH 5, 1.5:1 at pH 7, and 1:1 at pH 9, respectively, which indicates the levels of THMs and HAAs formation increases with increase of pH level. The level of total THMs increased with increases of KMnO4 consumed and chlorine dosage. Therefore, this results show the formation of chlorinated by-products (CBPs) was affected by water temperature, pH, reaction time, and organic levels as a main influential factors.
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