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    Wyświetlanie 1-3 z 3
    Tytuł:
    Physico-Chemical Characterization of an Urban Wastewater Effluent and its Impact on the Receiving Environment: Oued Nfifikh (Morocco)
    Autorzy:
    Merbouh, Chaimaa
    Namoussi, Soukaina
    Kabriti, Mohamed
    Naamane, Ayoub
    Rihane, Abdeslam
    Iounes, Nadia
    Powiązania:
    https://bibliotekanauki.pl/articles/2068481.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Oued Nfifikh
    water stream
    wastewater
    physicochemical quality
    pollution
    Opis:
    Oued Nfifikh is among the least studied Moroccan rivers. Thus, the primary aim of this study was to shed light on the quality of this undervalued stream. Its downstream part is affected by one of the most crucial environmental issues. It receives the discharges of wastewater evacuated precariously without prior treatment, which might lead to the degradation of the overall ecological status of this fluvial hydrosystem. This research work aimed to study the physicochemical water quality downstream the river Nfifikh through a monthly monitoring of the physicochemical parameters’ indicator of pollution, from August 2018 to July 2019. The results obtained show that the stream is exposed to high pollution which is mainly organic. Consequently, the wastewater represents a major cause of water quality degradation of this receiving environment: ecological and health impacts are therefore to be expected.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 3; 183--193
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the Effects of Three Chemical Fertilizers on Artemia salina
    Autorzy:
    Naamane, Ayoub
    El Birgui, Kaouthar
    Rafii, Soumaya
    Merbouh, Chaimaa
    Iounes, Nadia
    El Amrani, Souad
    Powiązania:
    https://bibliotekanauki.pl/articles/24201769.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    ecotoxicological test
    Artemia salina
    chemical fertilizer
    biomonitoring
    Opis:
    As part of eco-toxicological tests on Artemia salina, the impact of the most commonly used fertilizers in Morocco was assessed (Ammonium Sulfate, Ammonium Nitrate, and a mixture of Nitrogen 10%, Phosphorus 30% and Potassium 10%), with Potassium Bichromate (K2Cr2O7) as reference substance at different concentrations (10, 20, 40, 80, 160, 320 mg/l), for 24 hours. The results of the statistical study revealed that the lethal effects caused by the three agrochemicals increase with the concentration and vary from one substance to another in a significant way. There is a higher sensitivity to ammonium sulphate (the concentration that kills 50% of the animals: 37.32 mg/l ± 6.09) followed by ammonium nitrate the concentration that kills 50% of the animals: 110.7 mg/l ± 7.11), and a mixture of Nitrogen 10%, Phosphorus 30% and Potassium 10% (the concentration that kills 50% of the animals: 143.13 mg/l ± 23.12). Therefore, Artemia salina exhibits sensitivity to agrochemicals and can be considered as a good biomonitoring tool for future toxicological analysis of agrochemicals.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 5; 103--109
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Treatment of Surface Treatment Effluents by Electrocoagulation Process Using Aluminium Electrodes
    Autorzy:
    Namoussi, Soukaina
    Merbouh, Chaimaa
    Kabriti, Mohamed
    Nahli, Abdelmottalib
    Naamane, Ayoub
    Chlaida, Mohamed
    Iounes, Nadia
    Powiązania:
    https://bibliotekanauki.pl/articles/2025816.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    electrocoagulation
    aluminium electrode
    surface treatment
    effluent
    pollutant
    Opis:
    The surface treatment industry generates effluents with a high load of highly toxic chemicals which must be treated under increasingly stringent regulation. The aim of this study was to treat the effluents of surface treatment unit of an aeronautical industry by the electrocoagulation process using aluminium electrodes. This process is used to study the performance to remove colloidal load, significant amount of oxidizable material and high levels of various metal elements (Cr, Fe, Zn, Cu and Al) from these effluents, under optimum conditions of pH 7, 8.6A of current intensity and 60 min of application. The electrocoagulation process was found to be effective in reducing turbidity (97.12%), COD (97.5%), SS (97.84%) and conductivity (96.82%), hexavalent chromium (99.99%), Zn (96.82%), Cu (94.3%), Iron (99.9%), Al (91.96%). The treated effluent conformed to the Moroccan standards of surface treatment discharge.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 1; 91-99
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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