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  • This article describes a new simple method for dehalogenation of 4-halogenoanilines in buffered aqueous solution using a reduction technique based on the treatment with the metallic alloy in alkaline conditions at room temperature. Al and Zn metals and Al-Fe, Al-Ni, Cu-Sn, Cu-Zn and Al-Cu-Zn metallic alloys were tested as the reductants. The GC-MS and 1H NMR spectroscopy were used for analyzing the reaction mixtures, and aniline was detected as the single product of the reduction of mentioned 4-halogenoanilines. It was observed that the addition of the metal chelating agent is essential for the complete dehalogenation of halogenated anilines in buffered solutions. The possibility of lowering of aniline and Ni2+ content in the aqueous solution was tested using flocculation and extraction.
  • This article describes a new simple method for dehalogenation of 4-halogenoanilines in buffered aqueous solution using a reduction technique based on the treatment with the metallic alloy in alkaline conditions at room temperature. Al and Zn metals and Al-Fe, Al-Ni, Cu-Sn, Cu-Zn and Al-Cu-Zn metallic alloys were tested as the reductants. The GC-MS and 1H NMR spectroscopy were used for analyzing the reaction mixtures, and aniline was detected as the single product of the reduction of mentioned 4-halogenoanilines. It was observed that the addition of the metal chelating agent is essential for the complete dehalogenation of halogenated anilines in buffered solutions. The possibility of lowering of aniline and Ni2+ content in the aqueous solution was tested using flocculation and extraction. (en)
Title
  • Study of reactivity of 4-halogenoanilines with metals and metalic alloys in alkaline aqueous solution at room temperature
  • Study of reactivity of 4-halogenoanilines with metals and metalic alloys in alkaline aqueous solution at room temperature (en)
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  • Study of reactivity of 4-halogenoanilines with metals and metalic alloys in alkaline aqueous solution at room temperature
  • Study of reactivity of 4-halogenoanilines with metals and metalic alloys in alkaline aqueous solution at room temperature (en)
skos:notation
  • RIV/00216224:14310/09:00044323!RIV11-MSM-14310___
http://linked.open...avai/riv/aktivita
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  • 1
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  • 344495
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  • RIV/00216224:14310/09:00044323
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  • Reductions - AOX removal - NMR spectroscopy - Metals (en)
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  • CZ - Česká republika
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  • [A2F0DBE3B657]
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  • Scientific papers of the University of Pardubice. Series A, Faculty of chemical technology
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  • 15
http://linked.open...iv/tvurceVysledku
  • Krejčová, Anna
  • Prokeš, Lubomír
  • Weidlich, Tomáš
issn
  • 1211-5541
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  • 14310
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