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Photo-Fenton-like degradation of bisphenol A by persulfate and solar irradiation
https://oist.repo.nii.ac.jp/records/1649
https://oist.repo.nii.ac.jp/records/164925f9a9ff-072e-46d7-8b9b-48a5b5547465
名前 / ファイル | ライセンス | アクション |
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Final Revised Manuscript Khandarkhaeva et al ( (1.3 MB)
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International(https://creativecommons.org/licenses/by-nc-nd/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-07-28 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Photo-Fenton-like degradation of bisphenol A by persulfate and solar irradiation | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Bisphenol A | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Persulfate | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Solar-enhanced Fenton-like process | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Water matrix | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Khandarkhaeva, Marina
× Khandarkhaeva, Marina× Batoeva, Agniya× Sizykh, Marina× Aseev, Denis× Garkusheva, Natalia |
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書誌情報 |
en : Journal of Environmental Management 巻 249, p. 109348, 発行日 2019-08-17 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | This work evaluates the feasibility of a solar-enhanced Fenton-like process using S₂O₈²⁻ (PS) and Fe²⁺ for the elimination of BPA, a model endocrine-disruption compound. This comparative study of BPA removal showed that among the approaches employed, the effectiveness of BPA degradation (10mg/L) decreased in the order: Solar/PS/Fe²⁺> Solar/PS>PS/Fe²⁺> Solar/Fe²⁺> Solar. The complete degradation of BPA was achieved by Solar/PS/Fe²⁺ treatment at a [PS]:[BPA] ratio of 20 in less than t30W 5 in deionised water. The high efficiency of the Solar/PS/Fe²⁺ process revealed a synergistic effect (varphi=2.38) between the applied activation agents on the formation of reactive oxygen species (ROS) and subsequent decomposition of BPA. The treatment was accompanied by total organic carbon (TOC) removal (44%) in 45min. Sequential generation of reactive oxygen species has made Solar/PS/Fe²⁺ a kinetically effective process for removing BPA without accumulation of toxic intermediates. The reaction rate followed pseudo-first-order kinetics that increased with increasing PS and Fe²⁺ concentrations. Experimental evidence suggests that exposure to solar irradiation maintains suitable quantities of free Fe²⁺ in the reaction mixture, even at low catalyst concentrations (the molar ratio of [PS]:[Fe²⁺] varied from 1:0.01 to 1:0.08). The effects of HCO₃⁻, SO₄²⁻, and Cl⁻ were also examined. As expected, HCO₃⁻ and SO₄²⁻ inhibited BPA oxidation. The effect of Cl⁻ on the oxidation efficiency of BPA in Fenton-like systems depends not only on actual Cl⁻ concentrations but it is also highly influenced by molar ratios of Cl⁻ to oxidant and catalyst. Inhibition, which was caused by Cl⁻ in the mM range can be overcome by prolonging the reaction time or increasing the initial Fe²⁺concentration. Finally, the efficiency of Solar/PS/Fe²⁺ process was examined in diluted natural surface water and wastewater effluent. On eliminating the buffering action of HCO₃⁻/CO₃²⁻ ions by lowering the pH value to 4.5, complete BPA degradation was achieved in all real water matrices. | |||||
出版者 | ||||||
出版者 | Elsevier | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0301-4797 | |||||
PubMed番号 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/31430624 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1016/j.jenvman.2019.109348 | |||||
権利 | ||||||
権利情報 | This article/chapter was published in Journal of Environmental Management, volume 249, Marina Khandarkhaeva, Agniya Batoeva, Marina Sizykh, Denis Aseev, Natalia Garkusheva, Photo-Fenton-like degradation of bisphenol A by persulfate and solar irradiation, 109348, © Elsevier 2019. | |||||
情報源 | ||||||
関連名称 | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.sciencedirect.com/science/article/pii/S0301479719310576 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |