Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanism
Recently, biochar has attracted tremendous research interest for environmental applications. In this study, biochar-derived watermelon rind (WM) was produced via optimal pyrolysis at 500 °C for 2 h, and then improved the adsorption capacity by Zirconium oxide nanoparticles (ZrO2 NPs). The WM@ZrO2 wa...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-10-01
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| Series: | Arabian Journal of Chemistry |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1878535222004221 |
| _version_ | 1818021227520851968 |
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| author | Huy Hoang Phan Quang Kiet Tuan Phan Phong Dinh Lam Ta Nga Thi Dinh Taghrid S. Alomar Najla AlMasoud Chao-Wei Huang Ankush Chauhan Van-Huy Nguyen |
| author_facet | Huy Hoang Phan Quang Kiet Tuan Phan Phong Dinh Lam Ta Nga Thi Dinh Taghrid S. Alomar Najla AlMasoud Chao-Wei Huang Ankush Chauhan Van-Huy Nguyen |
| author_sort | Huy Hoang Phan Quang |
| collection | DOAJ |
| description | Recently, biochar has attracted tremendous research interest for environmental applications. In this study, biochar-derived watermelon rind (WM) was produced via optimal pyrolysis at 500 °C for 2 h, and then improved the adsorption capacity by Zirconium oxide nanoparticles (ZrO2 NPs). The WM@ZrO2 was characterized using X-ray diffraction (XRD), Scanning electron microscopic - Energy-dispersive X-ray spectroscopy (SEM-EDS), and Fourier transform infrared (FTIR). The adsorptive capacities of synthesized ZrO2 NPs were investigated for nitrate as a function of pH, adsorbent dosage, contact time, initial adsorbate concentration, and pyrolysis temperature in the batch experiment. The results showed that a Langmuir isotherm and a pseudo-second-order kinetics model were the best-fit for experimental nitrate data in its non-linear form as correlation coefficients (R2) were 0.985 and 0.998, respectively. The maximum adsorption capacity for the Langmuir isotherm model was 15.196 mg g−1. The proposed mechanism, including electrostatic attraction and ligand exchange, played a dominant role in nitrate adsorption. After testing with the real domestic wastewater, the removal of nitrate for WM@ZrO2 was achieved at 78 %, which was equivalent to the adsorption capacity of 8.1 mg g−1 of adsorbent. Overall, the WM@ZrO2 is proposed as a promising, effective, and environmentally friendly adsorbent in removing nitrate from an aqueous solution. |
| first_indexed | 2024-04-14T08:15:58Z |
| format | Article |
| id | doaj.art-de8abd991d0f45da951c3028e9aab467 |
| institution | Directory Open Access Journal |
| issn | 1878-5352 |
| language | English |
| last_indexed | 2024-04-14T08:15:58Z |
| publishDate | 2022-10-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Arabian Journal of Chemistry |
| spelling | doaj.art-de8abd991d0f45da951c3028e9aab4672022-12-22T02:04:25ZengElsevierArabian Journal of Chemistry1878-53522022-10-011510104106Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanismHuy Hoang Phan Quang0Kiet Tuan Phan1Phong Dinh Lam Ta2Nga Thi Dinh3Taghrid S. Alomar4Najla AlMasoud5Chao-Wei Huang6Ankush Chauhan7Van-Huy Nguyen8Faculty of Biology and Environment, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, VietnamFaculty of Biology and Environment, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, VietnamFaculty of Biology and Environment, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, VietnamResearch Institute for Sustainable Development, Ho Chi Minh University of Natural Resources and Environment, 236B Le Van Sy Street, Ward 1, Tan Binh District, Ho Chi Minh City, VietnamDepartment of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi ArabiaDepartment of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi ArabiaDepartment of Engineering Science, National Cheng Kung University, No. 1, Daxue Rd., East Dist., Tainan 701401, Taiwan; Corresponding authors.Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram district-603103, Tamil Nadu, IndiaChettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram district-603103, Tamil Nadu, India; Corresponding authors.Recently, biochar has attracted tremendous research interest for environmental applications. In this study, biochar-derived watermelon rind (WM) was produced via optimal pyrolysis at 500 °C for 2 h, and then improved the adsorption capacity by Zirconium oxide nanoparticles (ZrO2 NPs). The WM@ZrO2 was characterized using X-ray diffraction (XRD), Scanning electron microscopic - Energy-dispersive X-ray spectroscopy (SEM-EDS), and Fourier transform infrared (FTIR). The adsorptive capacities of synthesized ZrO2 NPs were investigated for nitrate as a function of pH, adsorbent dosage, contact time, initial adsorbate concentration, and pyrolysis temperature in the batch experiment. The results showed that a Langmuir isotherm and a pseudo-second-order kinetics model were the best-fit for experimental nitrate data in its non-linear form as correlation coefficients (R2) were 0.985 and 0.998, respectively. The maximum adsorption capacity for the Langmuir isotherm model was 15.196 mg g−1. The proposed mechanism, including electrostatic attraction and ligand exchange, played a dominant role in nitrate adsorption. After testing with the real domestic wastewater, the removal of nitrate for WM@ZrO2 was achieved at 78 %, which was equivalent to the adsorption capacity of 8.1 mg g−1 of adsorbent. Overall, the WM@ZrO2 is proposed as a promising, effective, and environmentally friendly adsorbent in removing nitrate from an aqueous solution.http://www.sciencedirect.com/science/article/pii/S1878535222004221NitrateZrO2BiocharWatermelon rindPyrolysis |
| spellingShingle | Huy Hoang Phan Quang Kiet Tuan Phan Phong Dinh Lam Ta Nga Thi Dinh Taghrid S. Alomar Najla AlMasoud Chao-Wei Huang Ankush Chauhan Van-Huy Nguyen Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanism Arabian Journal of Chemistry Nitrate ZrO2 Biochar Watermelon rind Pyrolysis |
| title | Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanism |
| title_full | Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanism |
| title_fullStr | Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanism |
| title_full_unstemmed | Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanism |
| title_short | Nitrate removal from aqueous solution using watermelon rind derived biochar-supported ZrO2 nanomaterial: Synthesis, characterization, and mechanism |
| title_sort | nitrate removal from aqueous solution using watermelon rind derived biochar supported zro2 nanomaterial synthesis characterization and mechanism |
| topic | Nitrate ZrO2 Biochar Watermelon rind Pyrolysis |
| url | http://www.sciencedirect.com/science/article/pii/S1878535222004221 |
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