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| 1 | Formation of regulated and unregulated disinfection byproducts during chlorination and chloramination: Roles of dissolved organic matter type, bromide, and iodide显示文摘Algal blooms and wastewater effluents can introduce algal organic matter(AOM) and effluent organic matter(Ef OM) into surface waters, respectively. In this study, the impact of bromide and iodide on the formation of halogenated disinfection byproducts(DBPs) during chlorination and chloramination from various types of dissolved organic matter(DOM, e.g., natural organic matter(NOM), AOM, and Ef OM) were investigated based on the data collected from literature. In general, higher formation of trihalomethanes(THMs) and haloacetic acids(HAAs) was observed in NOM than AOM and Ef OM, indicating high reactivities of phenolic moieties with both chlorine and monochloramine. The formation of haloacetaldehydes(HALs), haloacetonitriles(HANs) and haloacetamides(HAMs) was much lower than THMs and HAAs. Increasing initial bromide concentrations increased the formation of THMs, HAAs, HANs, and HAMs, but not HALs. Bromine substitution factor(BSF) values of DBPs formed in chlorination decreased as specific ultraviolet absorbance(SUVA) increased. AOM favored the formation of iodinated THMs(I-THMs) during chloramination using preformed chloramines and chlorination-chloramination processes. Increasing prechlorination time can reduce the I-THM concentrations because of the conversion of iodide to iodate, but this increased the formation of chlorinated and brominated DBPs. In an analogous way, iodine substitution factor(ISF) values of I-THMs formed in chloramination decreased as SUVA values of DOM increased. Compared to chlorination, the formation of noniodinated DBPs is low in chloramination. | Yunsi Liu Keqiang Liu Michael J.Plewa Tanju Karanfil Chao Liu | 2022 | Journal of Environmental Sciences2022，34，7： | 2 |
| 2 | Impact of combining chlorine dioxide and chlorine on DBP formation in simulated indoor swimming pools显示文摘The main objective of this study was to assess the combined use of chlorine dioxide(ClO_2)and chlorine(Cl_2) on the speciation and kinetics of disinfection by-product(DBP) formation in swimming pools using synthetic pool waters prepared with a body fluid analog(BFA)and/or fresh natural water. At 1:25(mass ratio) of ClO_2 to Cl_2, there was no significant reduction in the formation of trihalomethanes(THMs) and haloacetic acids(HAAs) for both BFA solution and natural water compared to the application of Cl_2 alone. When the mass ratio of ClO_2 to Cl_2increased to 1:1, substantial decreases in both THMs and HAAs were observed in the natural water, while there was almost no change of DBP formations in the BFA solution. Haloacetonitriles and halonitromethanes levels in both water matrices remained similar. In the presence of bromide, the overall DBP formation increased in both BFA solution and natural water. For the DBP formation kinetics, after 72 hr of contact time,very low formation of THMs and HAAs was observed for the use of ClO_2 only. Compared to Cl_2 control, however, applying the 1:1 mixture of ClO_2/Cl_2 reduced THMs by > 60% and HAAs by > 50%. Chlorite was maintained below 1.0 mg/L, while the formation of chlorate significantly increased over the reaction time. Finally, in a bench-scale indoor pool experiment, applying ClO_2 and Cl_2simultaneously produced less THMs compared to Cl_2 control and kept chlorite at < 0.4 mg/L, while HAAs and chlorate accumulated over 4-week operation period. | Daekyun Kim Nuray Ates Sehnaz Sule Kaplan Bekaroglu Meric Selbes Tanju Karanfil | 2017 | Journal of Environmental Sciences2017，29，8： | 2 |
| 3 | Adsorption of oxygen by heat-treated granular and fibrous activated carbons显示文摘 | Dastgheib S A Karanfil T | 2004 | Journal of Colloid and Interface Science2004，274，1： | 1 |
| 4 | Adsorption of dissolved natural organic matter by modified activated carbon 显示文摘 | CHENG W SEYED A D KARANFIL T | 2005 | Water Research2005，39，11： | 1 |
| 5 | How many times again will we examine the energy-income nexus using a limited range of traditional econometric tools? 显示文摘 | Karanfil F | 2009 | Energy Policy2009，37，4： | 1 |
| 6 | Adsorption of natural organic polyelectrol-ytes by activated carbon: A size- exclusion chromatography study 显示文摘 | KILDUFF J E KARANFIL T CHIN Y P | 1996 | Environmental Science & Technology1996，30，4： | 1 |
| 7 | How Many Times Again will We Examine the Energy - Income Nexus Using a Limited range of Traditional Econometric Tools? 显示文摘 | Karanfil F | 2009 | Energy Pol- icy2009，37，4： | 1 |
| 8 | The effects of dissolved natural organic matter on the adsorp- tion of synthetic organic chemicals by activated carbons and carbon nanotubes 显示文摘 | ZHANG Shujuan SHAO Ting KARANFIL Tanju | 2011 | Water Research2011，45，3： | 1 |
| 9 | Adsorption of oxygen by heat-treated granular and fibrous activated carbons显示文摘 | DASTGHEIB Seyed KARANFIL Tanju | 2004 | Journal of Colloid and Interface Science2004，274，1： | 1 |
| 10 | Comparative analysis of halo- nitromethane and trihalomethane formation and speciation in drinking water: the effects of disinfectants, pH, bro- mide, and nitrite显示文摘 | Hu J Song H Karanfil T | 2010 | Environmental Science & Technolo- gy2010，44，2： | 1 |
| 11 | Adsorption of synthetic organic contaminants by carbon nanotubes: a critical review显示文摘 | APUL O G KARANFIL T | 2015 | Water Research2015，68，： | 1 |
| 12 | The reactivity of natural organic matter to disinfection byproducts formation and its relation to specific ultraviolet absorbance 显示文摘 | Kitis M Karanfil T Kilduff J E | 2001 | Water Sci Technol2001，43，2： | 1 |
| 13 | Tailoring activated carbons for enhanced removal of natural organic matter from natural waters显示文摘 | Dastgheib S A Karanfil T Cheng W | 2004 | Carbon2004，42，： | 1 |
| 14 | The effects of dissolved natural organic matter on the adsorption of synthetic organic chemicals by activated carbons and carbon nanotubes显示文摘 | Zhang Shujuan Shao Ting Tanju Karanfil | 2011 | Water Res2011，45，： | 1 |
| 15 | Survey of DOC and UV measurement practices with implications for SUVA determination 显示文摘 | Karanfil T Schlautman M A Erdogan I | 2002 | J Am Water Works Ass2002，94，12： | 1 |
| 16 | Comparing graphene, carbon nanotubes, and superfine powdered activated carbon as adsorptive coating materials for microfiltration membranes显示文摘 | Ellerie J R Apul O G Karanfil T | 2013 | Journal of Hazardous Materials2013，261，： | 1 |
| 17 | Performance of a hybrid reverse osmosis - constructed wetland treatment system for brackish oil field produced water 显示文摘 | MURRAY-GULDE C HEATLEY J E KARANFIL T | 2003 | Water Research2003，37，3： | 1 |
| 18 | The reactivity of natural organic matter to disinfection byproducts formation and its relation to specific ultraviolet absorbance 显示文摘 | Kitis M Karanfil T Kilduff J E etal | 2001 | Water Sci Technol2001，43，2： | 1 |
| 19 | The effects of pH, bromide and nitrite on halonitromethane and trihalomethane formation from amino acids and amino sugars显示文摘 | Junhong Shan Jia Hu S. Sule Kaplan-Bekaroglu Hocheol Song Tanju Karanfil | 2011 | Chemosphere2011，，4： | 1 |
| 20 | Seasonal and temporal patterns ofNDMA formation potentials in surface waters 显示文摘 | UZUN H KIM D KARANFIL T | 2015 | Water Research2015，69，： | 1 |
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