Removal of anionic dyes from wastewater using fly ash based adsorbent
Facing the great challenge of increasing solid waste and huge amount of wastewater, “treating the wastes with wastes” seems to be a proper and sustainable development method. Fly ash, a typical solid waste, has attracted much attention for its high-value applications. In this study, three types of f...
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| Language: | English |
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Elsevier
2024-01-01
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| Series: | Desalination and Water Treatment |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1944398624000079 |
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| author | Shici Zhang Liping Yu Ying Zhang Qi Liu Jiajia Xia Jingting Tian Hui Zhang Xujie Lu |
| author_facet | Shici Zhang Liping Yu Ying Zhang Qi Liu Jiajia Xia Jingting Tian Hui Zhang Xujie Lu |
| author_sort | Shici Zhang |
| collection | DOAJ |
| description | Facing the great challenge of increasing solid waste and huge amount of wastewater, “treating the wastes with wastes” seems to be a proper and sustainable development method. Fly ash, a typical solid waste, has attracted much attention for its high-value applications. In this study, three types of fly ash were sampled from different power stations in China and used for multiple anionic dyes wastewater adsorption. According to the static adsorption, fly ash sourced from Chifeng (CF) was identified as Class C with a total amount of SiO2, Al2O3, and Fe2O3 of 67.65% via chemical composition analysis, and presented best adsorption performance on Reactive Brilliant Red K-2BP, Congo Red 4BS, and Acid Brilliant Red KN. Moreover, the pseudo-second-order kinetic fitted the adsorption processes of KN and 4BS with the theoretic adsorption capacity of 39.35 and 39.85 mg/g, respectively. However, the pseudo-first-order kinetic better described the adsorption process of K-2BP with the theoretical adsorption capacity of 43.24 mg/g. For the dynamic adsorption, the decolorization rate of K-2BP on CF increased from 82.6% to 96.5% as the flow velocity increased from 10 to 70 rpm. The metal cations on CF, such as Fe3+ and Al3+, could hydrolyze and work as flocculants and coagulants to remove dye molecules from wastewater. This study provides a research case and an application potential for the resource reutilization of fly ash to treat printing and dyeing wastewater. |
| format | Article |
| id | doaj-art-ea9e32e3f8024e23a500d558efbee9a9 |
| institution | DOAJ |
| issn | 1944-3986 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Desalination and Water Treatment |
| spelling | doaj-art-ea9e32e3f8024e23a500d558efbee9a92025-08-20T03:11:30ZengElsevierDesalination and Water Treatment1944-39862024-01-0131710000710.1016/j.dwt.2024.100007Removal of anionic dyes from wastewater using fly ash based adsorbentShici Zhang0Liping Yu1Ying Zhang2Qi Liu3Jiajia Xia4Jingting Tian5Hui Zhang6Xujie Lu7Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan 430056, China; Central and Southern China Municipal Engineering Design and Research Institute Co., Ltd., Wuhan 430010, ChinaCollege of Arts and Communication, China Jiliang University, Hangzhou City 310018, ChinaHubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan 430056, China; School of Medicine, Xiangyang Polytechnic, Xiangyang 441050, ChinaCentral and Southern China Municipal Engineering Design and Research Institute Co., Ltd., Wuhan 430010, ChinaHubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan 430056, ChinaYongchuan District Ecological Environment Bureau of Chongqing, Chongqing 402160, ChinaHubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan 430056, China; Central and Southern China Municipal Engineering Design and Research Institute Co., Ltd., Wuhan 430010, China; Corresponding author at: Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan 430056, China.Yazhouwan Innovation Research Institute of Hainan Tropical Ocean University, Sanya 572022, China; Corresponding author.Facing the great challenge of increasing solid waste and huge amount of wastewater, “treating the wastes with wastes” seems to be a proper and sustainable development method. Fly ash, a typical solid waste, has attracted much attention for its high-value applications. In this study, three types of fly ash were sampled from different power stations in China and used for multiple anionic dyes wastewater adsorption. According to the static adsorption, fly ash sourced from Chifeng (CF) was identified as Class C with a total amount of SiO2, Al2O3, and Fe2O3 of 67.65% via chemical composition analysis, and presented best adsorption performance on Reactive Brilliant Red K-2BP, Congo Red 4BS, and Acid Brilliant Red KN. Moreover, the pseudo-second-order kinetic fitted the adsorption processes of KN and 4BS with the theoretic adsorption capacity of 39.35 and 39.85 mg/g, respectively. However, the pseudo-first-order kinetic better described the adsorption process of K-2BP with the theoretical adsorption capacity of 43.24 mg/g. For the dynamic adsorption, the decolorization rate of K-2BP on CF increased from 82.6% to 96.5% as the flow velocity increased from 10 to 70 rpm. The metal cations on CF, such as Fe3+ and Al3+, could hydrolyze and work as flocculants and coagulants to remove dye molecules from wastewater. This study provides a research case and an application potential for the resource reutilization of fly ash to treat printing and dyeing wastewater.http://www.sciencedirect.com/science/article/pii/S1944398624000079Fly ashAnionic dyesAdsorptionFlocculation/coagulation |
| spellingShingle | Shici Zhang Liping Yu Ying Zhang Qi Liu Jiajia Xia Jingting Tian Hui Zhang Xujie Lu Removal of anionic dyes from wastewater using fly ash based adsorbent Desalination and Water Treatment Fly ash Anionic dyes Adsorption Flocculation/coagulation |
| title | Removal of anionic dyes from wastewater using fly ash based adsorbent |
| title_full | Removal of anionic dyes from wastewater using fly ash based adsorbent |
| title_fullStr | Removal of anionic dyes from wastewater using fly ash based adsorbent |
| title_full_unstemmed | Removal of anionic dyes from wastewater using fly ash based adsorbent |
| title_short | Removal of anionic dyes from wastewater using fly ash based adsorbent |
| title_sort | removal of anionic dyes from wastewater using fly ash based adsorbent |
| topic | Fly ash Anionic dyes Adsorption Flocculation/coagulation |
| url | http://www.sciencedirect.com/science/article/pii/S1944398624000079 |
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