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Enhanced effect of RM-β-cyclodextrin on biodegradation of toluene in wastewater by activated sludge

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Abstract

Recently, air and ground water pollution and contamination of soil by toluene have been drawing increasing attention and became an urgently important problem in environmental pollution. Hence, the development of highly sophisticated removal techniques of toluene is required for the global environmental preservation. Since toluene is a highly volatile material, it is difficult to treat it by usual activated sludge water treatment. In this study, in order to prevent volatilization of toluene, randomly methylated β-cyclodextrin (RM-β-CD) was used to complex with toluene and by reason of that, facilitates the biodegradation of toluene by activated sludge. The enhanced effect of RM-β-CD for the biodegradation of toluene by activated sludge was studied in batch systems. The addition of RM-β-CD dominantly promoted proliferation of activated sludge. This implied that the addition of RM-β-CD prevented toluene from evaporating during treatment, and as a result, toluene was effectively decomposed by the activated sludge.

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Authors and Affiliations

  1. Department of Biotechnology, Tottori University, 4-101 Koyamacho-minami, Tottori, 680-8552, Japan

    Takeshi Furuta, Shuichi Ikefuji, Koujirou Tokunaga, Tze Loon Neoh & Hidefumi Yoshii

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  1. Takeshi Furuta
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  2. Shuichi Ikefuji
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  3. Koujirou Tokunaga
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  4. Tze Loon Neoh
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  5. Hidefumi Yoshii
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Correspondence to Takeshi Furuta.

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Furuta, T., Ikefuji, S., Tokunaga, K. et al. Enhanced effect of RM-β-cyclodextrin on biodegradation of toluene in wastewater by activated sludge. J Incl Phenom Macrocycl Chem 57, 21–27 (2007). https://doi.org/10.1007/s10847-006-9168-0

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  • DOI: https://doi.org/10.1007/s10847-006-9168-0

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