Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution
Agricultural wastes including bagasse and rice husk ashes are employed for synthesizing spherical nanosilica materials via the ultrasonic-assisted precipitation process in the present study. The comparison between them and nanosilica prepared from pure sodium silicate is also carried out. The role o...
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| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2023-01-01
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| Series: | Journal of Nanotechnology |
| Online Access: | http://dx.doi.org/10.1155/2023/8884113 |
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| author | Nguyen Duc Vu Quyen Tran Ngoc Tuyen Dinh Quang Khieu Ho Van Minh Hai Dang Xuan Tin Bui Thi Hoang Diem Le Van Thanh Son Nguyen Thi Kieu Diem Le Thi Nguyet Bui Thi Thuy Ho Thi Thuy Dung |
| author_facet | Nguyen Duc Vu Quyen Tran Ngoc Tuyen Dinh Quang Khieu Ho Van Minh Hai Dang Xuan Tin Bui Thi Hoang Diem Le Van Thanh Son Nguyen Thi Kieu Diem Le Thi Nguyet Bui Thi Thuy Ho Thi Thuy Dung |
| author_sort | Nguyen Duc Vu Quyen |
| collection | DOAJ |
| description | Agricultural wastes including bagasse and rice husk ashes are employed for synthesizing spherical nanosilica materials via the ultrasonic-assisted precipitation process in the present study. The comparison between them and nanosilica prepared from pure sodium silicate is also carried out. The role of the NH4OH : ethanol volume ratio is demonstrated. The obtained nanosilica is characterized by modern methods including X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), infrared spectroscopy (IR), scanning electron microscopy (SEM), and nitrogen adsorption/desorption isotherms (BET). The nanosilica material is employed as an effective adsorbent for the removal of methylene blue (MB) from an aqueous solution. The suitable pH and adsorbent dosage are determined at 8 and 0.375 g·L−1. The adsorption isotherm study is surveyed based on Langmuir and Freundlich isotherm models. Pseudo-second-order kinetic model and Weber–Morris intraparticle diffusion model well describe the chemical nature of the adsorption. The thermodynamic parameters of the reaction are determined based on the Van’t Hoff equation. |
| format | Article |
| id | doaj-art-2b004085b6984f44b2d3dea43829ec3d |
| institution | Kabale University |
| issn | 1687-9511 |
| language | English |
| publishDate | 2023-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Nanotechnology |
| spelling | doaj-art-2b004085b6984f44b2d3dea43829ec3d2025-02-03T06:45:16ZengWileyJournal of Nanotechnology1687-95112023-01-01202310.1155/2023/8884113Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous SolutionNguyen Duc Vu Quyen0Tran Ngoc Tuyen1Dinh Quang Khieu2Ho Van Minh Hai3Dang Xuan Tin4Bui Thi Hoang Diem5Le Van Thanh Son6Nguyen Thi Kieu Diem7Le Thi Nguyet8Bui Thi Thuy9Ho Thi Thuy Dung10Department of ChemistryDepartment of ChemistryDepartment of ChemistryDepartment of ChemistryDepartment of ChemistryDepartment of ChemistryUniversity of Education and ScienceChu Van An High SchoolPleiku High SchoolNguyen Du High SchoolHue Medical CollegeAgricultural wastes including bagasse and rice husk ashes are employed for synthesizing spherical nanosilica materials via the ultrasonic-assisted precipitation process in the present study. The comparison between them and nanosilica prepared from pure sodium silicate is also carried out. The role of the NH4OH : ethanol volume ratio is demonstrated. The obtained nanosilica is characterized by modern methods including X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), infrared spectroscopy (IR), scanning electron microscopy (SEM), and nitrogen adsorption/desorption isotherms (BET). The nanosilica material is employed as an effective adsorbent for the removal of methylene blue (MB) from an aqueous solution. The suitable pH and adsorbent dosage are determined at 8 and 0.375 g·L−1. The adsorption isotherm study is surveyed based on Langmuir and Freundlich isotherm models. Pseudo-second-order kinetic model and Weber–Morris intraparticle diffusion model well describe the chemical nature of the adsorption. The thermodynamic parameters of the reaction are determined based on the Van’t Hoff equation.http://dx.doi.org/10.1155/2023/8884113 |
| spellingShingle | Nguyen Duc Vu Quyen Tran Ngoc Tuyen Dinh Quang Khieu Ho Van Minh Hai Dang Xuan Tin Bui Thi Hoang Diem Le Van Thanh Son Nguyen Thi Kieu Diem Le Thi Nguyet Bui Thi Thuy Ho Thi Thuy Dung Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution Journal of Nanotechnology |
| title | Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution |
| title_full | Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution |
| title_fullStr | Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution |
| title_full_unstemmed | Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution |
| title_short | Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution |
| title_sort | separation of spherical nanosilica from agricultural wastes in vietnam via ultrasonic assisted precipitation and application for effective removal of methylene blue from aqueous solution |
| url | http://dx.doi.org/10.1155/2023/8884113 |
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