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An Ingenious Investigation on the Adsorptive and Antibacterial Properties of a Novel Silver-Doped Hydrochar Publisher



Chaudhary M2 ; Chaudhary S1 ; Singh M1 ; Dehghani MH3, 4 ; Tyagi I5 ; Cansado IPP6 ; Kumar S7 ; Kumar S7
Authors
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Authors Affiliations
  1. 1. Department of Chemistry, Gurukula Kangri (Deemed to be University), Haridwar, 249404, India
  2. 2. Department of Chemistry, Hariom Saraswati P.G. College, Dhanauri, Haridwar, 247667, India
  3. 3. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Center for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Centre for DNA Taxonomy, Molecular Systematics Division, Zoological Survey of India, Kolkata, 700 053, India
  6. 6. Mediterranean Institute for Agriculture, Environment and Development, Chemistry and Biochemistry Department, University of Evora, Rua Romao Ramalho, nº 59, Evora, 7000-671, Portugal
  7. 7. Department of Botany and Microbiology, Gurukula Kangri (Deemed to be University), Haridwar, 249404, India

Source: International Journal of Environmental Science and Technology Published:2024


Abstract

A novel silver-doped hydrochar (Ag-HC-230) was synthesized at 230 °C via hydrothermal carbonization of Tectona grandis seeds (TGs). The characteristic properties of the Ag-HC-230 were investigated using FTIR, XRD, TGA, SEM and surface area measurements. These results were further utilized for exploring the removal efficiency of the prepared material for chemical and biological contaminants. The surface area and pore volume of Ag-HC-230 were observed to be 24.9 m2g−1 and 0.073 cm3g−1, respectively. The ultimate analysis demonstrated that the prepared adsorbent was rich in C content (67.77%) as compared to N, H and S content. An ingenious investigation on the antibacterial and adsorptive performance of Ag-HC-230 was evaluated too. The antibacterial performance of Ag-HC-230 was analysed by the agar well diffusion method against the cultured suspensions of S. aureus and E. coli. To provide a better insight of Ag-HC-230, the removal of acridine yellow G (AYG) was also studied and the experimental removal capacity was found to be 0.073 mmolg−1 which was higher than undoped hydrochar HC-230-4 (0.058 mmolg−1). The kinetic experimental data were tested by fitting with different kinetics models, and the PSO model was found to be effectively applicable. The adsorption data of AYG on Ag-HC-230 were evaluated using Temkin, Freundlich, Langmuir and D-R among which the data well fitted with the Langmuir model. © The Author(s) under exclusive licence to Iranian Society of Environmentalists (IRSEN) and Science and Research Branch, Islamic Azad University 2024.
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