Degradation Investigation of Selected Taste and Odor Compounds by a UV/Chlorine Advanced Oxidation Process
Abstract
:1. Introduction
2. Materials and Methods
2.1. Reagents and Materials
2.2. Analytical Methods
2.3. Experimental Procedures
3. Results and Discussion
3.1. Degradation Kinetics of T&O Compounds by the UV/Chlorine Process
3.1.1. Influence of pH
3.1.2. Influence of Chlorine Concentration
3.2. Roles of OH• and RCS
4. Conclusions
Author Contributions
Conflicts of Interest
References
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Name/CAS Number | Formula | Molecular Weight (g/mol) | Odor Threshold Value (ng/L) | KOW/Kh (Pa m3 mol−1) | kHO• (×109 M−1 s−1) |
---|---|---|---|---|---|
GSM/16423-19-1 | | 182.30 | 10 | 3.70/10−5 | 11.78 * 8.20~14.0 [16,17] |
MIB/2371-42-8 | | 168.28 | 10~15 | 3.13/10−5 | 6.26 * 5.10~8.10 [16,17] |
BT/95-16-9 | | 135.19 | 80 | 1.99–2.41 | 9.92 * 8.61 [3] |
IBMP/24683-00-9 | | 166.22 | 1 | 7.17 * |
T&O | HO• Concentration (×10−14 M) | ||
---|---|---|---|
pH 6 | pH 7 | pH 8 | |
GSM | 34.1 | 7.50 | 3.58 |
MIB | 39.1 | 10.1 | 3.44 |
BT | 35.6 | 5.78 | 4.22 |
IBMP | 30.4 | 8.43 | 2.69 |
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Fang, J.; Liu, J.; Shang, C.; Fan, C. Degradation Investigation of Selected Taste and Odor Compounds by a UV/Chlorine Advanced Oxidation Process. Int. J. Environ. Res. Public Health 2018, 15, 284. https://doi.org/10.3390/ijerph15020284
Fang J, Liu J, Shang C, Fan C. Degradation Investigation of Selected Taste and Odor Compounds by a UV/Chlorine Advanced Oxidation Process. International Journal of Environmental Research and Public Health. 2018; 15(2):284. https://doi.org/10.3390/ijerph15020284
Chicago/Turabian StyleFang, Jingyun, Jiajian Liu, Chii Shang, and Chihhao Fan. 2018. "Degradation Investigation of Selected Taste and Odor Compounds by a UV/Chlorine Advanced Oxidation Process" International Journal of Environmental Research and Public Health 15, no. 2: 284. https://doi.org/10.3390/ijerph15020284