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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c01972
|2 doi
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|a pubmed24n1207.xml
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|a (NLM)37725089
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Cheng, Junfeng
|e verfasserin
|4 aut
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| 245 |
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|a Preparation of Bamboo-Based Activated Carbon via Steam Activation for Efficient Methylene Blue Dye Adsorption
|b Modeling and Mechanism Studies
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 03.10.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Dye pollution has long been an ecological and human health issue. Activated carbon is considered to be the most promising material for dye adsorption. In this study, bamboo was used as a biomass precursor to produce activated carbon with a high specific surface area by the steam activation method. The physical activation reaction between water vapor and bamboo promotes the carbonization product to have a rich porous structure. The prepared activated carbon was investigated from the perspectives of surface morphology, elemental change, surface porosity, and surface functional groups using a variety of techniques. According to the Brunauer-Emmett-Teller analysis, the activated carbon has a high surface area (1273 m2/g) and a mesoporous structure (average pore size 3.1 nm). On this basis, the effect of activated carbon on the removal of methylene blue (MB) dye from aqueous environments was evaluated and optimized by response surface methodology (RSM). Key adsorption parameters include initial MB concentration (150-200 mg/L), adsorption time (5-120 min), adsorbent dosage (30-50 mg), adsorption temperature (5-50 °C), and solution pH (3-11). Box-Behnken design (BBD) was used for modeling and analysis. Kinetic and isotherm model studies show that pseudo-second-order model kinetics and Langmuir isotherm can better describe the process of MB dye adsorption. This study will provide new ideas for the preparation of bamboo-activated carbon and provide a model prediction basis for dye adsorption research
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|a Journal Article
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1 |
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|a Bi, Chuanqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Dun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Chunlin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Zheng
|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 1992
|g 39(2023), 39 vom: 03. Okt., Seite 14119-14129
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2023
|g number:39
|g day:03
|g month:10
|g pages:14119-14129
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|u http://dx.doi.org/10.1021/acs.langmuir.3c01972
|3 Volltext
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