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Manganese oxide nanoparticles (MnONPs) synthesized from buffelgrass, Cenchrus ciliaris (L.), an invasive weed posing threats to ecosystems, are used in this study to remove nickel(II) ions from aqueous solutions. As a biosorbent, the synthesized MnONPs were put to the test. MnONPs were studied for their surface morphology and functional properties. A variety of adsorbent dosages and contact times were tested in batch experiments to see how they affected adsorption rates. At pH 6.0 and room temperature, MnONPs had an 87.1% removal efficiency for Ni(II) ions. Pseudo-second order correlations had a higher R2 value (0.988). In the Langmuir plot, a maximum adsorption capacity of 4.78 mg/g was observed. However, the experimental data fitted well with both Langmuir and Freundlich isotherm models (R2 = 0.99). Spontaneous and exothermic was the nature of the adsorption process. To remove heavy metal ions contaminants from aqueous solutions, these results suggested that MnONPs synthesized from buffelgrass extract could be used.
Czasopismo
Rocznik
Tom
Strony
135--149
Opis fizyczny
Bibliogr. 26 poz., rys., tab.
Twórcy
autor
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, Tamilnadu, India, Pincode-641013
- Hindusthan College of Engineering and Technology, Coimbatore, Tamilnadu, India, Pincode-641032
autor
- Government College of Technology, Coimbatore, Tamilnadu, India, Pincode-641013
Bibliografia
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- [19] MALAR C.G., SEENUVASAN M., SATHISHKUMAR K., Adsorption of nickel ions by surface modified magnetite nanoparticles: kinetic study, J. Environ. Biol., 2019, 40, 748–752. DOI: 10.22438/jeb/40/4(SI)/JEB_10.
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-255b7a81-2562-4503-aa7c-2f31c9411a36