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Wyświetlanie 1-2 z 2
Tytuł:
Experimental Observations and Assessment of Landfill Leachate Bioremediation by Autochthonous Fungi Species and their Effective Geoactivities
Autorzy:
Muksy, Renjbar
Kolo, Kamal
Powiązania:
https://bibliotekanauki.pl/articles/2202342.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
autochthonous fungi
pathogenic fungi
biosorption
biomineralization
decolorization
Opis:
Autochthonous fungi are potential successful agents in the process of bioremediation through their efficient adaptation to pollutant toxicity and competition with other microorganisms that are present in the leachate treatment plant. The leachate from municipal waste landfills was an important source of fungi. Even though some of these fungi have the potential to be human pathogens, such strains wh en used in biolo gical treatment approaches may serve as a possible tool for integrating the leachate bioremediation process because of the extracellular enzymes produced by fungal strains. In this study, the leachate sample was tested with regard to four parameters, including total dissolved solids (TDS), electrical conductivity (EC), pH, and the decolorization of the leachate sample by a number of indigenous species of fungi, which were observed by use of the culture techniques. The scanning electron microscope coupled with energy dispersive x-ray analysis, UV-spectrum, and reflected and transmitted polarizing light microscope were used in the research project to o bserve and assess the obtained data from the experimental work. The results indicated the various levels of efficiency of the isolated fungal strains in eliminating color, lowering TDS, EC, and pH through their geoactivities potential in metal biosorption and immobilization by biomineralization of new minerals in the growth environment and eventually reducing the metal bioavailability and toxicity.
Źródło:
Journal of Ecological Engineering; 2023, 24, 1; 312--327
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cactus and Holm Oak Acorn for Efficient Textile Wastewater Treatment by Coagulation-Flocculation Process Optimization Using Box-Benhken Design
Autorzy:
Adachi, Abderrazzak
Soujoud, Radouane
El Ouadrhiri, Faiçal
Tarik, Moubchir
Hmamou, Anouar
Eloutassi, Noureddine
Lahkimi, Amal
Powiązania:
https://bibliotekanauki.pl/articles/24202904.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
coagulation-flocculation
textile wastewater
response surface methodology
decolorization
cactus
holm oak acorn
Opis:
In this study, the effectiveness of using natural bio-coagulants and bio-flocculants to treat textile wastewater through the coagulation-flocculation method was examined. These bio-based agents have several advantages over chemical agents, including biodegradability, natural abundance, low toxicity, and low cost. A bio-coagulant (holm oak acorn (HOA)) and a bio-flocculant (cactus juice) were used to investigate the capacity for turbidity removal and decolorization of textile wastewater. The UV spectrophotometer was used to characterize the discharges before and after treatment, and the chemical oxygen demand (COD) and biological oxygen demand (BOD5) levels were calculated. Box-Behnken design (BBD) coupled with response surface methodology (RSM) were utilized to optimize the process and reduce turbidity and decolorization in textile wastewater. The obtained results show that under the optimal conditions (0.5 g•L-1 of HOA, 15 mL•L-1 of cactus juice, and a pH of 7), decolorization and turbidity removal were achieved at 69% and 90%, respectively. This study demonstrates the potential of using bio-coagulants and bio-flocculants in the treatment of textile wastewater.
Źródło:
Journal of Ecological Engineering; 2023, 24, 6; 315--328
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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