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Wyszukujesz frazę "metoda Fentona" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    A comparative study of advanced oxidative processes. Degradation of chlorinated organic compounds in ultrafiltration fractions of kraft pulp bleaching effluent
    Autorzy:
    Fiskari, J.
    Kakkonen, A.
    Pakkanen, H.
    Alén, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/208297.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    photocatalysis
    Fenton method
    metoda Fentona
    fotokataliza
    Opis:
    Oxidative pretreatment methods such as the Fenton oxidation, ozonation, and photocatalytic treatment have been compared in reducing adsorbable organic halogens (AOX) and chlorophenolic compounds in untreated kraft pulp bleaching effluent. Their efficiency was also studied on effluent ultrafiltration fractions. The Fenton treatment removed all analyzed chlorophenolic compounds from the effluent. Ozonation and photocatalysis appeared to be much less effective methods. The efficiency of the Fenton oxidation appeared to be more pronounced in higher molecular weight effluent fractions. This suggests a novel design, where the filtration stage can be placed after the oxidation, and the high-molecular weight fraction is returned to the Fenton treatment.
    Źródło:
    Environment Protection Engineering; 2016, 42, 4; 151-159
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Decomposition of pollutants in textile wastewater during the Fenton process in the presence of iron nanocompounds
    Autorzy:
    Kos, L.
    Sójka-Ledakowicz, J.
    Michalska, K.
    Perkowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/208004.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    Fenton method
    textile waste
    ferrous sulphate
    metoda Fentona
    ścieki włókiennicze
    siarczan żelaza
    Opis:
    The efficiency of the decomposition of pollutants in textile wastewater has been determined by the Fenton method in the presence of iron nanocompounds and the results have been compared with those by the classical Fenton method. The wastewater was purified with ferrous sulfate and ferrous sulfate with the addition of iron(II, III) nanocompound. The effect of optimization of the process was examined by adding various amounts of ferrous sulfate and iron(II, III) nano-oxide, hydrogen peroxide and changing pH of the solution. It was found that addition of iron nano-oxide in the presence of ferrous sulfate increased the efficiency of pollutant decomposition in the wastewater.
    Źródło:
    Environment Protection Engineering; 2016, 42, 3; 71-83
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Treatment of highly polluted cosmetic wastewater
    Autorzy:
    Naumczyk, J.
    Marcinowski, P.
    Bogacki, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/206908.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    coagulation
    cosmetic wastewater
    sedimentation
    Fenton method
    biological wastewater treatment plants
    ścieki kosmetyczne
    koagulacja
    sedymentacja
    biologiczne oczyszczanie ścieków
    metoda Fentona
    Opis:
    Three samples of cosmetic wastewater from the production of soaps and shampoos were treated by the following processes: coagulation with sedimentation (C/S), coagulation with dissolved air flotation (C/DAF), and the Fenton process (FP). The COD values of raw wastewater samples were 13 160, 13 580 and 9410 mg O2/dm3. The anionic surfactants were 3000, 4500 and 4000 mg/dm3, for samples 1, 2, and 3, respectively. All three processes were effective in highly polluted cosmetic wastewater treatment. The most effective process was coagulation. In the case of sample 1, application of FeCl3 at pH 6.0 resulted in 88.2% of COD removal and the application of aluminum based coagulants allowed for 80.1–85.3% COD removal. In the case of samples 2 and 3, the usage of Al 1019 and Al 3010 coagulants brought about a 91.6% and 82.6% decrease in COD values, respectively. C/DAF was found to be less effective than C/S. The best results with C/DAF were obtained using Al 3010 coagulant with wastewater recirculation the COD removal efficiency amounted to 82.3, 87.3 and 78.8, respectively. The lowest COD removal efficiency was observed for FP and it was equal to 64.0 and 72.7% for samples 2 and 3, respectively.
    Źródło:
    Environment Protection Engineering; 2017, 43, 2; 25-40
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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