期刊
DESALINATION AND WATER TREATMENT
卷 57, 期 2, 页码 791-798出版社
DESALINATION PUBL
DOI: 10.1080/19443994.2014.968628
关键词
Fe-ZSM-5 molecular sieve; Aniline wastewater; Fenton-like; Degradation
资金
- Public Technology Applied Research Fund of Zhejiang Province Science and Technology Department [2013C33020]
- Environmental Science and Technology Project of Zhejiang Province [2013B018]
Fe-ZSM-5 molecular sieve catalysts were fabricated and characterized through scanning electron microscopy, energy dispersive spectroscopy, and X-ray diffraction techniques. Researches were developed within a heterogeneous Fenton-like catalysis system established with Fe-ZSM-5 molecular sieve catalyst and H2O2, with regard to the effects of pH, H2O2 dosage, inlet concentration of aniline, and catalyst dosage on extent of removal and reaction rate, and preliminarily revealed the mechanisms of degradation in aniline wastewater. Outcomes have demonstrated that Fenton-like Fe-ZSM-5 molecular sieve catalysts are functionally stable and recyclable in which the extents of removal of aniline, CODCr and TOC are 96.4, 92.5, and 72.5%, respectively; with 3g catalyst dosed into 500mL aniline wastewater of 200mgL(-1) in concentration, pH 4, and H2O2 of 0.5Q(th) (0.31mLL(-1)), the Fenton-like conditions could not only break up the inner structures of aniline, but also catalyze the products in further mineralization to CO2 and H2O.
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