Solar photocatalysis with modified TiO2 photocatalysts: effects on NOM and disinfection byproduct formation potential

2018 ◽  
Vol 4 (9) ◽  
pp. 1361-1376 ◽  
Author(s):  
Stephanie Gora ◽  
Aleksandra Sokolowski ◽  
Melisa Hatat-Fraile ◽  
Robert Liang ◽  
Y. Norman Zhou ◽  
...  
Keyword(s):  
Organic Matter ◽  
River Water ◽  
Natural Organic Matter ◽  
Solar Light ◽  
Tio2 Photocatalysts ◽  
Solar Photocatalysis ◽  
Formation Potential ◽  
Disinfection Byproduct ◽  
Light Utilization ◽  
Byproduct Formation

The overall reactivity of natural organic matter from river water towards chlorine was increased by solar TiO2 treatment with TiO2 nanomaterials modified with nitrogen, boron, or silver to improve their solar light utilization.

Impact of chlorine exposure time on disinfection byproduct formation in the presence of iopamidol and natural organic matter during chloramination

2019 ◽  
Vol 78 ◽  
pp. 204-214 ◽  
Author(s):  
Nana Osei B. Ackerson ◽  
Alexis H. Killinger ◽  
Hannah K. Liberatore ◽  
Thomas A. Ternes ◽  
Michael J. Plewa ◽  
...  
Keyword(s):  
Organic Matter ◽  
Natural Organic Matter ◽  
Exposure Time ◽  
Disinfection Byproduct ◽  
Byproduct Formation

Elimination of disinfection byproduct formation potential in reclaimed water during solar light irradiation

2016 ◽  
Vol 95 ◽  
pp. 260-267 ◽  
Author(s):  
Wu Qian-Yuan ◽  
Li Chao ◽  
Du Ye ◽  
Wang Wen-Long ◽  
Huang Huang ◽  
...  
Keyword(s):  
Reclaimed Water ◽  
Light Irradiation ◽  
Solar Light ◽  
Formation Potential ◽  
Disinfection Byproduct ◽  
Solar Light Irradiation ◽  
Byproduct Formation

Disinfection Byproduct Formation and Fractionation Behavior of Natural Organic Matter Surrogates

2009 ◽  
Vol 43 (15) ◽  
pp. 5982-5989 ◽  
Author(s):  
T. Bond ◽  
O. Henriet ◽  
E. H. Goslan ◽  
S. A. Parsons ◽  
B. Jefferson
Keyword(s):  
Organic Matter ◽  
Natural Organic Matter ◽  
Disinfection Byproduct ◽  
Byproduct Formation

Disinfection byproduct formation in reverse-osmosis concentrated and lyophilized natural organic matter from a drinking water source

2012 ◽  
Vol 46 (16) ◽  
pp. 5343-5354 ◽  
Author(s):  
Jonathan G. Pressman ◽  
Daniel L. McCurry ◽  
Shahid Parvez ◽  
Glenn E. Rice ◽  
Linda K. Teuschler ◽  
...  
Keyword(s):  
Drinking Water ◽  
Organic Matter ◽  
Reverse Osmosis ◽  
Natural Organic Matter ◽  
Water Source ◽  
Drinking Water Source ◽  
Disinfection Byproduct ◽  
Byproduct Formation

Effects of metal ions on disinfection byproduct formation during chlorination of natural organic matter and surrogates

Chemosphere ◽  
2016 ◽  
Vol 144 ◽  
pp. 1074-1082 ◽  
Author(s):  
Yu Zhao ◽  
Hong-wei Yang ◽  
Shi-ting Liu ◽  
Shun Tang ◽  
Xiao-mao Wang ◽  
...  
Keyword(s):  
Organic Matter ◽  
Metal Ions ◽  
Natural Organic Matter ◽  
Disinfection Byproduct ◽  
Byproduct Formation

scholarly journals Degradation and transformation of natural organic matter accountable for disinfection byproduct formations by UV photolysis and UV/chlor(am)ine

2018 ◽  
Vol 79 (5) ◽  
pp. 929-937 ◽  
Author(s):  
Chanathip Hirun-Utok ◽  
Songkeart Phattarapattamawong
Keyword(s):  
Organic Matter ◽  
Natural Organic Matter ◽  
Low Pressure ◽  
Haloacetic Acid ◽  
Uv Photolysis ◽  
Disinfection Byproduct ◽  
Proportional Relationship ◽  
Vacuum Uv ◽  
Potential Use

Abstract This research aimed to investigate the degradation of natural organic matter responsible for the formation of trihalomethane (THM), haloacetic acid (HAA) and haloacetonitrile (HAN) during ultraviolet (UV) photolysis and a co-exposure of UV with chlorine (UV/chlorine) and chloramine (UV/chloramine). Low pressure UV (LPUV) and vacuum UV (VUV) lamps were used for photolysis. VUV and LPUV irradiation changed aromatic/unsaturated structures to aliphatic ones, resulting in decreased THM and HAN formation. Following irradiation for 60 min, LPUV decreased THM and HAN by 16% ± 2% and 20% ± 6%, respectively. VUV decreased THM and HAN formation by 23% ± 3% and 20% ± 8%, respectively. HAA formation increased following photolysis. UV/chlorine treatment decreased THM, HAA and HAN. Higher chlorine doses had an inversely proportional relationship with THM and HAN formation. A chlorine dose of 4 mg·L−1 led to the greatest reductions, corresponding to 42% ± 2%, 10% ± 10% and 18% ± 6% for THM, HAA and HAN, respectively. UV/chloramine decreased the formation of THM more than UV/chlorine. With a chloramine dose of 4 mg·L−1, THM, HAA and HAN formation decreased by 74% ± 10%, 10% ± 10% and 11% ± 10%, respectively. This study showed the potential use of UV/chlor(am)ine for controlling the formation of THM, HAA and HAN.

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