Nano round polycrystalline adsorbent of chicken bones origin for Congo red dye adsorption

Nano round polycrystalline adsorbent (NRPA) of chicken bones origin was utilize as effective adsorbent in Congo red dye removal via aqueous media. The NRPA adsorbent was prepared via thermal decomposition and its structure was investigated with the aids of Transmission Electron Microscopy, Fourier I...

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Bibliographic Details
Published in:Scientific reports 2024-04, Vol.14 (1), p.7809-7809, Article 7809
Main Authors: Ofudje, Edwin Andrew, Al-Ahmary, Khairia Mohammed, Alshdoukhi, Ibtehaj F., Alrahili, Mazen Rzeeg, Kavil, Yasar N., Alelyani, Saeed Saad, Bakheet, Ammar M., Al-Sehemi, Abdullah G.
Format: Article
Language:English
Subjects:
639/638
639/925
704/172
Absorption bands
Adsorbent
Adsorbents
Adsorption
Apatite
Bones
Chicken
Chickens
Color removal
Congo red
Dyes
Electron microscopy
Fish bones
Humanities and Social Sciences
Infrared spectroscopy
Microscopy
multidisciplinary
Nano-crystalline
Removal
Scanning electron microscopy
Science
Science (multidisciplinary)
Temperature effects
Thermal decomposition
Thermal degradation
Transmission electron microscopy
Wastewater
X rays
X-ray analysis
X-ray spectroscopy
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Summary:Nano round polycrystalline adsorbent (NRPA) of chicken bones origin was utilize as effective adsorbent in Congo red dye removal via aqueous media. The NRPA adsorbent was prepared via thermal decomposition and its structure was investigated with the aids of Transmission Electron Microscopy, Fourier Infrared Spectroscopy (FT-IR), Scanning Electron Microscopy, Energy Dispersive X-ray Analysis (EDX), and X-ray Diffractometer (XRD). A monophasic apatite phase was confirmed from XRD investigation, while functional groups analysis showed that NRPA possessed CO 3 2− , PO 4 3− and OH − absorption bands. The maximum adsorption capacities derived from Langmuir isotherm is 98.216 mg g −1 . From the combined values of n from Freundlich and separation factor (R L ) of Langmuir models, the adsorption of CR by NRPA is favourable. Thermodynamic values of 5.280 kJ mol −1 and 16.403 kJ mol −1  K −1 were found for ΔH° and ΔS° respectively. The entire values of ΔG° which ranges from − 35.248 to − 459.68 kJ mol −1 were all negative at different temperatures. Thus, nano polycrystalline adsorbent of chicken bone origin can serve as excellent adsorbent in Congo red dye removal from waste water.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-57412-4