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20240229145213.0 |
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240229s2024 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X241231394
|2 doi
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|a pubmed24n1303.xml
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|a (DE-627)NLM368807002
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|a (NLM)38390711
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yu, Peng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Recycling alkali lignin-derived biochar with adsorbed cadmium into cost-effective CdS/C photocatalyst for methylene blue removal
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 23.02.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Cadmium (Cd)-enriched adsorbents wastes possess great environmental risk due to their large-scale accumulation and toxicity in the natural environment. Recycling spent Cd-enriched adsorbents into efficient catalysts for advanced applications could address the environmental issues and attain the carbon neutral goal. Herein, a facile strategy is developed for the first time to reutilize the alkali lignin (AL)-derived biochar (ALB) absorbed with Cd into cadmium sulphide (CdS)/C composite for the efficient methylene blue (MB) removal. The ALB is initially treated with Cd-containing solution, then the recycling ALB samples with adsorbed Cd are converted to the final CdS/C composite using NaS2 as the sulphurizing reagent for vulcanization reaction. The optimal ALB400 demonstrates a high adsorption capacity of 576.0 mg g-1 for Cd removal. Then the converted CdS/C composite shows an efficient MB removal efficiency of 94%. The photodegradation mechanism is mainly attributed to carbon components in the CdS/C composite as electron acceptor promoting the separation of photoelectrons/holes and slowing down the abrasion of CdS particles. The enhanced charge transfer and contact between the carrier and the active site thus improves the removal performance and reusability. This work not only develops a method for removing Cd from wastewater effectively and achieving the waste resource utilization but also further offers a significant guidance to use other kinds of spent heavy metal removal adsorbents for the construction of low-cost and high value-added functional materials
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|a Journal Article
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|a Alkali lignin-derived biochar
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|a Cd adsorption
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|a MB removal
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| 650 |
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|a Spent biochar
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| 650 |
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|a Waste reutilization
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| 700 |
1 |
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|a Zhuang, Ronghao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Zhiguo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qiongchao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Hongyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Wei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g (2024) vom: 23. Feb., Seite 734242X241231394
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g year:2024
|g day:23
|g month:02
|g pages:734242X241231394
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|u http://dx.doi.org/10.1177/0734242X241231394
|3 Volltext
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