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250906s2025 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5c02916
|2 doi
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|a eng
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| 100 |
1 |
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|a Cao, Jingjing
|e verfasserin
|4 aut
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|a Upgrading Coal Gangue Waste into Molecular Sieves for Sustainable Wastewater Purification
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|c 2025
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|a Text
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|a ƒaComputermedien
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|a Date Revised 16.09.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The disposal and management of coal gangue (CG) waste from coal mining pose significant environmental pollution challenges. Here, we propose utilizing CG as raw material to synthesize CG-based NaA-type molecular sieves (CGNaA MS) through a high-temperature alkali fusion combined with a hydrothermal process. This approach enables the sustainable treatment of copper ions and methylene blue (MB) in wastewater. Semi-in situ characterization reveals that grains are formed by energy-driven directional attachment of seeds, followed by anisotropic crystallization to produce a highly crystalline cubic structure. The maximum adsorption capacities of CG@NaA MS for copper ions and MB are 107.8 and 20.3 mg/g, respectively, surpassing commercial MSs and most similar materials reported in the literature. This enhanced adsorption is attributed to ion exchange and electrostatic interactions between Na+, Si-O, and Al-O sites within the MS and the adsorbed copper ions or MB. This study presents a straightforward, eco-friendly method for CG and wastewater treatment, advancing a sustainable "waste treatment with waste" solution
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|a Journal Article
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|a Chen, Guohao
|e verfasserin
|4 aut
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1 |
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|a Li, Jiyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Gang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lang, Daning
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Jia
|e verfasserin
|4 aut
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|a Wang, Wei
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Ronglan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 41(2025), 36 vom: 16. Sept., Seite 24572-24581
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:41
|g year:2025
|g number:36
|g day:16
|g month:09
|g pages:24572-24581
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|u http://dx.doi.org/10.1021/acs.langmuir.5c02916
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