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  • The use of ultrasound in decoloration of textile wastewater [Elektronski vir]
    Vajnhandl, Simona ; Majcen Le Marechal, Alenka
    The decoloration of water solutions of three vinylsulphone reactive dyes (Remazol Dark black N 150%, C.I. Reactive blue 220 and C.I. Reactive black 5) under ultrasound and ultrasound/hydrogen ... peroxide conditions was examined. Two different concentration levels of hydrogen peroxide were used. The decrease of dye concentration was followed by absorbance measurements. The results were evaluated using calibration curves of the corresponding dye. The study has shown that the efficiency of the ultrasound treatment is sufficiently enhanced if the combination of ultrasound and hydrogen peroxide is used. The rate of colour degradation was twice as fast as that accomplished by sonolysis alone. The best results were obtained with the Reactive black dye solution.
    Vir: Fibre-grade polymers, chemical fibres and special textiles : proceedings [Elektronski vir] ([4] f.)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2003
    Jezik - angleški
    COBISS.SI-ID - 8198422

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