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https://hdl.handle.net/11147/13570
Title: | Synthesis of a novel cellulose-based adsorbent from olive tree pruning waste for removal of boron from aqueous solution | Authors: | Altınbaş, Bekir Fırat Yüksel, Aslı |
Keywords: | Adsorption Biosorbent Boron N-methyl-d-glucamine Olive pruning waste |
Publisher: | Springer | Abstract: | This work investigated the valorization of olive tree pruning debris as a biosorbent for the removal of environmentally hazardous boron from aqueous solution using batch adsorption. For this purpose, a novel, waste-based, boron selective biosorbent from olive tree pruning waste ( N-OPW) was synthesized. Alkali pretreatment, followed by glycidyl-methacrylate (GMA) grafting and providing boron selectivity with n-methyl-d-glucamine (NMDG) steps, was applied to the biomass, respectively. N-OPW was characterized using SEM, TGA, and FT-IR analyses. N-OPW showed excellent boron biosorption capacity (21.80 mg/g) in an operation pH range between 2 and 12. The equilibrium was attained in 2 h and the Freundlich isotherm (R-2 = 0.997) and pseudo-second-order kinetics (R-2 = 0.99) provided the strongest match to experimental data. According to thermodynamic studies, boron adsorption was exothermic (Delta H = -34.14 kJ/mol). The reusability tests with real geothermal water showed that adsorbent had no significant decrease in boron removal capacity while desorbing >99% of the boron adsorbed for three cycles of adsorption/desorption. Results indicated that a promising, reusable, and boron selective biosorbent was successfully synthesized while utilizing olive pruning waste. | Description: | Article; Early Access | URI: | https://doi.org/10.1007/s13399-023-04147-3 https://hdl.handle.net/11147/13570 |
ISSN: | 2190-6815 2190-6823 |
Appears in Collections: | Chemical Engineering / Kimya Mühendisliği Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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Synthesis-of-a-novel.pdf Until 2025-01-01 | 2.15 MB | Adobe PDF | View/Open Request a copy |
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