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Degradation mechanisms of geosmin and 2-MIB during UV photolysis and UV/chlorine reactions
Chemosphere, 2016We conducted chlorination, UV photolysis, and UV/chlorin reactions to investigate the intermediate formation and degradation mechanisms of geosmin and 2-methylisoborneol (2-MIB) in water. Chlorination hardly removed geosmin and 2-MIB, while the UV/chlorine reaction at 254 nm completely removed geosmin and 2-MIB within 40 min and 1 h, respectively, with
Tae-Kyoung, Kim +4 more
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Study on the Effect of Different Water Treatment Technology on Removing 2-MIB
Applied Mechanics and Materials, 2014To compare the removal efficiency of 2-MIB by traditional water treatment, prechlorination, O3-BAC, MIEX pre adsorption and UV/H2O2 advanced oxidation process, the pilot-test of drinking water odor control technology were studied in this paper. The results showed that the traditional water treatment process had poor effect on removing 2-MIB, with about
Ping Xia +5 more
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Archives of Microbiology
2-methylisoborneol (2-MIB) is an odiferous metabolite mainly produced by cyanobacteria, contributing to taste and odor problems in drinking water. The mechanisms involved in 2-MIB biosynthesis in cyanobacteria are not yet completely understood. This study investigated the effect of light availability and wavelength on growth, 2-MIB synthesis, and ...
Kaushalya Dayarathne +4 more
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2-methylisoborneol (2-MIB) is an odiferous metabolite mainly produced by cyanobacteria, contributing to taste and odor problems in drinking water. The mechanisms involved in 2-MIB biosynthesis in cyanobacteria are not yet completely understood. This study investigated the effect of light availability and wavelength on growth, 2-MIB synthesis, and ...
Kaushalya Dayarathne +4 more
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Journal of Hazardous Materials, 2021
2-Methylisoborneol (2-MIB), a natural odorous substance, is widely distributed in water environment, but there is a paucity of information concerning its systemic toxicity. Herein, we investigated the effects of 2-MIB exposure on developmental parameters, locomotive behavior, oxidative stress, apoptosis and transcriptome of zebrafish. Zebrafish embryos
Weicheng Zhou +9 more
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2-Methylisoborneol (2-MIB), a natural odorous substance, is widely distributed in water environment, but there is a paucity of information concerning its systemic toxicity. Herein, we investigated the effects of 2-MIB exposure on developmental parameters, locomotive behavior, oxidative stress, apoptosis and transcriptome of zebrafish. Zebrafish embryos
Weicheng Zhou +9 more
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Effect of pH on the Analysis of 2-MIB and Geosmin in Water
Water, Air, & Soil Pollution, 20112-Methylisoborneol (2-MIB) and trans-1,10-dimethyl-trans-9-decalol (geosmin) are two commonly observed taste and odor compounds present in drinking water sources. The effects of pH on the analysis of the two chemicals are investigated using a gas chromatograph and mass spectrometric detector (GC/MSD) coupled with three pre-concentration methods, namely
Wen-Hsing Hsieh +4 more
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Quick Response to 2‐MIB Episodes Based on Native Population Odor Sensitivity Evaluation
CLEAN – Soil, Air, Water, 2014Taste and odor have been a recurring problem for many water utilities. This paper established an optimized strategy to cope with 2‐methylisoborneol (2‐MIB) by combining the determination of the control goal according to native population sensitivity and the prediction of the optimum powdered activated carbon (PAC) dose using the homogeneous surface ...
Jianwei Yu +5 more
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Removal of 2-MIB and geosmin using UV/persulfate: Contributions of hydroxyl and sulfate radicals
Water Research, 20152-methylisoborneol (2-MIB) and geosmin are two odor-causing compounds that are difficult to remove and the cause of many consumer complaints. In this study, we assessed the degradation of 2-MIB and geosmin using a UV/persulfate process for the first time.
Pengchao, Xie +7 more
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Limnology, 2020
Cyanobacteria are the major producers of the taste and odour compounds geosmin and 2-methylisoborneol (2-MIB) in drinking water and fish worldwide. In recent years, the outbreaks of cyanobacteria blooms in Tri An and Dau Tieng Reservoirs, Vietnam have led to an increase attention in taste and odour problems.
Thanh-Luu Pham +4 more
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Cyanobacteria are the major producers of the taste and odour compounds geosmin and 2-methylisoborneol (2-MIB) in drinking water and fish worldwide. In recent years, the outbreaks of cyanobacteria blooms in Tri An and Dau Tieng Reservoirs, Vietnam have led to an increase attention in taste and odour problems.
Thanh-Luu Pham +4 more
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Correlation of musty odor and 2-MIB in two drinking water treatment plants in South Taiwan
Science of The Total Environment, 2002Possible odor groups and intensity, and seasonal effects were elucidated in two representative water treatment plants (WTPs), Feng-Shen and Gun-Shi, in southern Taiwan. The flavor profile analysis (FPA) was employed to determine the odor groups for the source water, while a chemical analysis, solid-phase microextraction (SPME) coupled with a gas ...
Tsair-Fuh, Lin +2 more
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Efficiency and Mechanism of Degradation of 2-Methylisoborneol(2-Mib) by O3/H2O2 in Water
2010 4th International Conference on Bioinformatics and Biomedical Engineering, 2010Abstract-The research on efficiency and mechanism of removing the odor compound 2-MIB in water is performed by adopting the O3/H2O2 technology. And in particular, the effects of addition manner, mol ratio, pH value of the solution and water quality etc, on the 2-MIB degradation are studied.
Xueyan Li, Yong Huang, Dongtian Wang
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