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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c02885
|2 doi
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|a pubmed25n1219.xml
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|a (DE-627)NLM365858544
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|a (NLM)38095154
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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 Jiang, Fei
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Fabrication of Iron-Containing Biochar by One-Step Ball Milling for Cr(VI) and Tetracycline Removal from Wastewater
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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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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 27.12.2023
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|a Date Revised 15.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Simple ball milling technology can simultaneously improve the adsorption performance of adsorbents for heavy metals and organic pollutants and has attracted increasing attention. Iron-modified biochar (FeMBC) was prepared by one-step ball milling, and the characterization results proved that FeCl3 was successfully loaded on biochar. The removal rates of Cr(VI) and tetracycline hydrochloride (TC) by Fe@MBC were increased by 88.27% and 82.64% compared with BC. The average pore size, oxygen-containing functional groups and graphitization degree of Fe@MBC are higher than those of BC, which is more conducive to promoting adsorption. The adsorption isotherms show that the adsorption of Cr(VI) and TC on the Fe@MBC surface conforms to the Langmuir type of single-layer adsorption and the Freundlich model of multilayer adsorption, respectively. The maximum adsorption capacities of Cr(VI) and TC are 25.46 and 66.91 mg·g-1, respectively. Kinetic experiments show that the adsorption process is more consistent with the pseudo-second-order model of chemical adsorption. The adsorption process of Cr(VI) and TC on the Fe@MBC surface is a spontaneous endothermic process that becomes more obvious as the temperature increases. The increase in solution pH has a significant impact on the removal rate of Fe@MBC. When the pH value increased from 3 to 11, the adsorption rates decreased by 53.74% and 17.16%, respectively. The presence of PO43-, CO32-, K+, and Cu2+ significantly affects the adsorption of TC by Fe@MBC, and PO43- and CO32- also affect the adsorption of Cr(VI). Mechanistic studies show that ion exchange, electrostatic interaction, pore filling, and hydrogen bonding contribute to the removal of Cr(VI) and TC by Fe@MBC. The removal mechanism of Cr(VI) also involves complexation and redox reactions, and the removal mechanism of TC involves π-π bonds and van der Waals forces. The results show that Fe@MBC is a green and efficient adsorbent
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a biochar
|2 NLM
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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|a chromium hexavalent ion
|2 NLM
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| 650 |
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|a 18540-29-9
|2 NLM
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|a Wastewater
|2 NLM
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|a Tetracycline
|2 NLM
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|a F8VB5M810T
|2 NLM
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| 650 |
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|a Charcoal
|2 NLM
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| 650 |
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|a 16291-96-6
|2 NLM
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| 650 |
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|a Chromium
|2 NLM
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|a 0R0008Q3JB
|2 NLM
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|a Anti-Bacterial Agents
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 700 |
1 |
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|a Wei, Chengcheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Zhongpu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ji, Licheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Feiyue
|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 1985
|g 39(2023), 51 vom: 26. Dez., Seite 18958-18970
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:39
|g year:2023
|g number:51
|g day:26
|g month:12
|g pages:18958-18970
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.3c02885
|3 Volltext
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|a AR
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|d 39
|j 2023
|e 51
|b 26
|c 12
|h 18958-18970
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