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Article

Development, Synthesis and Characterization of Tannin/Bentonite-Derived Biochar for Water and Wastewater Treatment from Methylene Blue

1
Chuiko Institute of Surface Chemistry, NAS of Ukraine, 17, General Naumov Street, 03164 Kyiv, Ukraine
2
Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 3, Maria Curie-Sklodowska Square, 20-031 Lublin, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Xike Tian
Water 2022, 14(15), 2407; https://doi.org/10.3390/w14152407
Received: 27 June 2022 / Revised: 30 July 2022 / Accepted: 1 August 2022 / Published: 3 August 2022
(This article belongs to the Special Issue Application of Nanomaterials in Water Treatment)
Novel hybrid carbon–mineral materials were synthesized by the mechanochemical activation of a mixture of tannin and bentonite in a ball mill with further pyrolysis in an argon atmosphere at 800 °C. The influence of the initial mixture ingredients content on the structural, textural, and thermal characteristics of biochars has been described using X-ray diffraction, Raman and Fourier-transform infrared spectroscopy, nitrogen adsorption–desorption, and scanning electron microscopy. The influence of bentonite clay on the carbon phase characteristics due to the formation of more heat-resistant and structured nanocarbon particles in biochars has been proven. The adsorption effectiveness of the materials towards methylene blue was studied. The adsorption data were analyzed applying Langmuir and Freundlich isotherms with high determination coefficients (R2) in the range of 0.983–0.999 (Langmuir) and 0.783–0.957 (Freundlich). The maximum adsorption amount of MB was 5.78 mg/g. The adsorption efficiency of biochars with respect to phenol was also examined. It was shown that the hybrid biochars show differentiated selectivity to the adsorption of organic compounds. It was concluded that the physicochemical properties of the surface of biochars play an important role in the adsorption effectiveness, making them a good candidate for water and wastewater remediation processes. View Full-Text
Keywords: tannin; bentonite; biochar; composite; pyrolysis; dye adsorption tannin; bentonite; biochar; composite; pyrolysis; dye adsorption
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MDPI and ACS Style

Galaburda, M.; Bosacka, A.; Sternik, D.; Bogatyrov, V.; Oranska, O.; Gun’ko, V.; Deryło-Marczewska, A. Development, Synthesis and Characterization of Tannin/Bentonite-Derived Biochar for Water and Wastewater Treatment from Methylene Blue. Water 2022, 14, 2407. https://doi.org/10.3390/w14152407

AMA Style

Galaburda M, Bosacka A, Sternik D, Bogatyrov V, Oranska O, Gun’ko V, Deryło-Marczewska A. Development, Synthesis and Characterization of Tannin/Bentonite-Derived Biochar for Water and Wastewater Treatment from Methylene Blue. Water. 2022; 14(15):2407. https://doi.org/10.3390/w14152407

Chicago/Turabian Style

Galaburda, Mariia, Alicja Bosacka, Dariusz Sternik, Viktor Bogatyrov, Olena Oranska, Volodymyr Gun’ko, and Anna Deryło-Marczewska. 2022. "Development, Synthesis and Characterization of Tannin/Bentonite-Derived Biochar for Water and Wastewater Treatment from Methylene Blue" Water 14, no. 15: 2407. https://doi.org/10.3390/w14152407

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