- Volume 8 Issue 3
This study was carried out to evaluate the characteristics of dissolved organics based on their origins, which were divided into two categories. The first group consisted of river, lake and secondary sewage treatment effluent, which were chosen as representative of their origins. The second group were artificial samples which were made of AHA(Aldrich humic acids) and WHA(Wako humic acids). Physicochemical characteristics, biological degradability and THMEP(trihalomethane formation potential) of the samples were analysed based on the AMWD(apparent molecular weight distribution). Large portion of dissolved organic carbon(DOC) in the river and lake samples was comprised of LMW(low molecular weight), which that of AHA and WHA was HMW(high molecular weight). The DOC of the lake was evenly distributed in the all range of molecular weight. The river, lake and secondary treated effluent have lower ultraviolet(UV) absorbance at 254nm, and have a higher amount of humic acids. Higher absorbance of humic acids means that aliphatic bond and benzenoid type components that absorb UV light were contained in these kind of humic acids. It was expected that lake sample was the most biodegradable in the different samples investigated, and in order of secondary sewage treatment effluent, river, WHA and AHA based on the result of determination of specific ultraviolet absorbance(SUVA). Biodegradability showed similar result except for AHA, while dissolved organics in the range of LMW decreased during the biodegradability test, and on the contrary those of HMW increased. Production of the SMPs(soluble micobial products) was observed during humicfication of dissolved organics and the SMPs were higher production of the SMPs. THM formation was high in the samples containing HMW and similar tendency was shown in the THMEP(trihalomethane formation potential), except for WHA.
- Journal of Environmental Quality v.23 Biodegradation of natural organic matter and disinfection by-product processors Spietel, G.E.
- Journal of American Water Works Association v.77 no.7 Developing models for predicting trihalomethane formation potential and kinetics Amy, G.L.;P.K. Chadik;Z.K. Chowdhry
- Trihalomethane formation and control through a direct filtration water treatment system; Water chlorination, environmental impact and health effects Veestra, J.N.;P.A. Khan
- Journal of American Water Works Association v.82 no.11 Developing a computer model to simulate DBP formation during water treatment Harrington, G.W.;Z.K. Chowdhury;D.M. Owen
- Humic substances in the environment Schnitzer, M.;S.U. Khan
- Physical and chemical characteristics of aquatic humus Gjessing, E.T.
- Organic geochemistry of natural waters Thurman, E.M.
- Geochemistry and ecological role of humic substances in lakewater;Humic substances in soil, sediment, and water Christian, S.;M. Uwe
- Limnology Wetzel, R.G.
- 靈ア浦における溶存態, 有機物の擧動と生成機構に關する硏究 朴濟哲
- Microbiology for environmental scientist and engineers Gaudy, A.F.Jr.;E.T. Gaudy
- Journal of Nature v.356 Comparison of two methods for measuring dissolved organic carbon in sea water Ogawa, H.;N. Ogura
- Journal of Limnology and Oceanography v.37 Comparison of high temperature and persulfate oxidation methods for determination of dissolved organic carbon in freshwaters Kaplan, L.A.
- Journal of Soil Science Society in America v.54 Fulvic acid ultraviolet-visible spectra; Influence of solvent and pH Baes, A.U.;P.R. Bloom
- Journal of Environmental Quality v.19 An ultraviolet absorbance methods of estimating the percent aromatic carbon content of humic acids Traina, S.J.;J. Novak;N.E. Smeck
- Journal of Pflanzenernahr, Bodenkd v.153 Organisher kohlenstoff im niederschlag nordrhein westfalisher fichten-und buchenbestande Bartles, U.
- Journal of Environmental Engineers v.111 no.6 Removal of organic matter in water treatment Collins, M.S.;G.L. Amy;P.H. King
- Environmental Science Technology v.20 no.10 Molecular weight distribution, carboxylic acidity and humic substances content of aquatic organic matter; Implications for removal during water treatment Collins, M.S.;G.L. Amy;C. Steelink
- 1997년 서울 상수도기술세미나 자료집 정수처리공정별 분자량분포변화 박은주;류동춘;김상구;유명호;김영진;최현미;류재익;이상훈
- The chemistry of aqueous chlorine in relation to water chlorination; Water chlorination, environmental impact and health effects Morris, J.C.
- 수질오염공정시험방법 환경부
- Standard Methods for the examination of water and wastewater(18th Edition) American Public Health Association;American Water Works Association;Water Environment Federation;Greenberg, A.E.(ed.);L.S. Clesceri(ed.);A.D., Eaton(ed.)