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231225s2019 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2019.221
|2 doi
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|a pubmed25n0997.xml
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|a (DE-627)NLM299308839
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|a (NLM)31318357
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Yao, Jie
|e verfasserin
|4 aut
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|a Degradation of α-terpineol in aqueous solution by UV/H2O2
|b kinetics, transformation products and pathways
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 05.09.2019
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|a Date Revised 15.12.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a The monoterpene alcohol α-terpineol is extensively used as the foaming agent in mineral processing and can be released to environment along with the wastewater. This study evaluated the feasibility of eliminating α-terpineol in water by ultraviolet irradiation (UV) in combination with hydrogen peroxide (H2O2). Within an H2O2 dose of 10 mg/L and an UV fluence of 64.8 J/cm2, more than 95% of the α-terpineol can be removed. The reactions fitted well to pseudo-first-order kinetics, and the apparent rate constant was 0.0678 min-1. The effects of matrix species including various anions and humic acid (HA), were evaluated. The degradation rate decreased significantly with the addition of bicarbonate and HA. Further verification was carried out with three types of real water samples. In the ground water and the surface water, the degradation rate decreased likely due to the presence of natural organic matter. Finally, possible degradation pathways were proposed based on the identification of transformation products, and the occurrence of two main transformation products were monitored. This study demonstrated that the UV/H2O2 is an effective technology for the degradation of α-terpineol in water
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|a Journal Article
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|a Cyclohexane Monoterpenes
|2 NLM
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|a Cyclohexenes
|2 NLM
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|a Monoterpenes
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a alpha-terpineol
|2 NLM
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|a 21334LVV8W
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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| 700 |
1 |
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|a Guo, Jinglin
|e verfasserin
|4 aut
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|a Yang, Zhaoguang
|e verfasserin
|4 aut
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|a Li, Haipu
|e verfasserin
|4 aut
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|a Qiu, Bo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 79(2019), 11 vom: 29. Juni, Seite 2195-2202
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
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|g volume:79
|g year:2019
|g number:11
|g day:29
|g month:06
|g pages:2195-2202
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|u http://dx.doi.org/10.2166/wst.2019.221
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