Výsledky vyhledávání - "Ashley D. Pifer"

Nitrite Quantification by Second Derivative Chemometric Models Mitigates Natural Organic Matter Interferences under Chloraminated Drinking Water Distribution System Conditions

Autor: Thien D. Do, Ashley D. Pifer, David G. Wahman, Rylie N. Hickman, Justin R. Chimka, Julian L. Fairey

Publikováno v: Water Research. 229:119430

Nitrite (NO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::342313831e412c21c468b5dee9d1cb00
https://doi.org/10.1016/j.watres.2022.119430

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Suitability of Organic Matter Surrogates to Predict Trihalomethane Formation in Drinking Water Sources

Autor: Julian L. Fairey, Ashley D. Pifer

Publikováno v: Environmental Engineering Science. 31:117-126

Broadly applicable disinfection by-product (DBP) precursor surrogate parameters could be leveraged at drinking water treatment plants (DWTPs) to curb formation of regulated DBPs, such as trihalomethanes (THMs). In this study, dissolved organic carbon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46608032125865c83b5c9b2521be2b14
https://doi.org/10.1089/ees.2013.0247

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Assessing UV- and fluorescence-based metrics as disinfection byproduct precursor surrogate parameters in a water body influenced by a heavy rainfall event

Autor: Julian L. Fairey, Ashley D. Pifer, Sarah L. Cousins

Publikováno v: Journal of Water Supply: Research and Technology-Aqua. 63:200-211

Although disinfection byproducts (DBPs) were discovered decades ago and surrogate parameters have been developed to track their precursors, the accuracy of these metrics in waters impacted by heavy rainfall events is largely unknown. We measured DBPs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::776b59f355389a3b6764e9e6590e963f
https://doi.org/10.2166/aqua.2013.122

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An improved chloroform surrogate for chlorine dioxide-and alum-treated waters

Autor: Corey W. Granderson, Julian L. Fairey, Ashley D. Pifer

Publikováno v: Journal - American Water Works Association. 105:E103-E114

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a69b5808dd0f01b742d13fe2dddf62c8
https://doi.org/10.5942/jawwa.2013.105.0016

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Improving on SUVA254 using fluorescence-PARAFAC analysis and asymmetric flow-field flow fractionation for assessing disinfection byproduct formation and control

Autor: Julian L. Fairey, Ashley D. Pifer

Publikováno v: Water Research. 46:2927-2936

Several challenges with disinfection byproduct (DBP) control stem from the complexity and diversity of dissolved organic matter (DOM), which is ubiquitous in natural waters and reacts with disinfectants to form DBPs. Fluorescence parallel factor (PAR

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b6349c7108438995814078191b380fe
https://doi.org/10.1016/j.watres.2012.03.002

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Assessing trichloromethane formation and control in algal-stimulated waters amended with nitrogen and phosphorus

Autor: Wen Zhang, Byron Winston, Clinton A. Mash, J. Thad Scott, Julian L. Fairey, Ashley D. Pifer, David A. Meints

Publikováno v: Environmental science. Processesimpacts. 16(6)

Nitrogen (N) and phosphorus (P) enrichments can stimulate algal growth in drinking water sources, which can cause increased production of disinfection byproduct (DBP) precursors. However, the effect of systematic N and P enrichments on DBP formation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d9a151bf54111915db2855e8ea0a962
https://pubmed.ncbi.nlm.nih.gov/24487973

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Coupling asymmetric flow-field flow fractionation and fluorescence parallel factor analysis reveals stratification of dissolved organic matter in a drinking water reservoir

Autor: Ashley D. Pifer, Daniel R. Miskin, Sarah L. Cousins, Julian L. Fairey

Publikováno v: Journal of chromatography. A. 1218(27)

Using asymmetrical flow field-flow fractionation (AF4) and fluorescence parallel factor analysis (PARAFAC), we showed physicochemical properties of chromophoric dissolved organic matter (CDOM) in the Beaver Lake Reservoir (Lowell, AR) were stratified

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c76591439e1c1ab1d7ddafd8affd84be
https://pubmed.ncbi.nlm.nih.gov/21236436

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