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240118s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03447
|2 doi
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|a pubmed24n1275.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Cong, Mengchen
|e verfasserin
|4 aut
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|a Synthesis of Aminomethylpyridine-Decorated Polyamidoamine Dendrimer/Apple Residue for the Efficient Capture of Cd(II)
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 30.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Water contamination irritated by Cd(II) brings about severe damage to the ecosystem and to human health. The decontamination of Cd(II) by the adsorption method is a promising technology. Here, we construct aminomethylpyridine-functionalized polyamidoamine (PAMAM) dendrimer/apple residue biosorbents (AP-G1.0-AMP and AP-G2.0-AMP) for adsorbing Cd(II) from aqueous solution. The adsorption behaviors of the biosorbents for Cd(II) were comprehensively evaluated. The maximum adsorption capacities of AP-G1.0-AMP and AP-G2.0-AMP for Cd(II) are 1.40 and 1.44 mmol·g-1 at pH 6. The adsorption process for Cd(II) is swift and can reach equilibrium after 120 min. The film diffusion process dominates the adsorption kinetics, and a pseudo-second-order model is appropriate to depict this process. The uptake of Cd(II) can be promoted by increasing concentration and temperature. The adsorption isotherm follows the Langmuir model with a chemisorption mechanism. The biosorbents also display satisfied adsorption for Cd(II) in real aqueous media. The adsorption mechanism indicates that C-N, N═C, C-O, CONH, N-H, and O-H groups participate in the adsorption for Cd(II). The biosorbents display a good regeneration property and can be reused with practical value. The as-prepared biosorbents show great potential for removing Cd(II) from water solutions with remarkable significance
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|a Journal Article
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1 |
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|a Wu, Kaiyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jiaxuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ziwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mao, Ruiyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Niu, Yuzhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Hou
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 4 vom: 30. Jan., Seite 2320-2332
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:4
|g day:30
|g month:01
|g pages:2320-2332
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03447
|3 Volltext
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