Efficient Elimination of Inorganic/Organic Pollutants by Fe3O4/biocharsodium Alginate Gel Beads

The magnetic composite gel bead (Fe3O4-CSA GB) adsorbent was prepared by sodium alginate (SA) crosslinking with pitaya peel-derived porous carbons (PPDPCs) and magnetic iron oxide nanoparticles (Fe3O4 NPs). The adsorption effects of Fe3O4-C@SA GBs on heavy metal ions (HMIs) and 17 β-estradiol (E2) i...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 40(2024), 43 vom: 29. Okt., Seite 22573-22581
1. Verfasser: Li, Xiaonan (VerfasserIn)
Weitere Verfasser: Li, Jing, Jia, Xiyu, Liu, Nian, Gao, Xinrui, Zhou, Zuoqin, Yang, Wei, Wei, Bing, Yang, Zheng, Fan, Suhua, Wu, Hai, Zhang, Hui
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The magnetic composite gel bead (Fe3O4-CSA GB) adsorbent was prepared by sodium alginate (SA) crosslinking with pitaya peel-derived porous carbons (PPDPCs) and magnetic iron oxide nanoparticles (Fe3O4 NPs). The adsorption effects of Fe3O4-C@SA GBs on heavy metal ions (HMIs) and 17 β-estradiol (E2) in water are evaluated by classical kinetic models and isotherm models. The pseudo-second-order kinetic model shows that Fe3O4-C@SA GBs have maximum adsorption capacities of 9.62, 7.50, and 13.61 mg/g for Cu (II), Cd (II), and Pb (II), respectively. Meanwhile, the highest adsorption performance of the synthesized gel beads to E2 is of ca. 276.3 mg/g. In addition, the Fe3O4-C@SA GBs can still maintain a high level of adsorption efficiency after five adsorption cycles, displaying economic efficiency and reusability. Hence, this work provides useful insights into the efficient adsorption elimination of pollutants in sewage and the corresponding adsorption mechanisms 
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700 1 |a Li, Jing  |e verfasserin  |4 aut 
700 1 |a Jia, Xiyu  |e verfasserin  |4 aut 
700 1 |a Liu, Nian  |e verfasserin  |4 aut 
700 1 |a Gao, Xinrui  |e verfasserin  |4 aut 
700 1 |a Zhou, Zuoqin  |e verfasserin  |4 aut 
700 1 |a Yang, Wei  |e verfasserin  |4 aut 
700 1 |a Wei, Bing  |e verfasserin  |4 aut 
700 1 |a Yang, Zheng  |e verfasserin  |4 aut 
700 1 |a Fan, Suhua  |e verfasserin  |4 aut 
700 1 |a Wu, Hai  |e verfasserin  |4 aut 
700 1 |a Zhang, Hui  |e verfasserin  |4 aut 
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