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231224s2016 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2016.139
|2 doi
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|a pubmed25n0869.xml
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|a (NLM)27232414
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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 Chen, Hongliang
|e verfasserin
|4 aut
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|a Application of annealed red mud to Mn(2+) ion adsorption from aqueous solution
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|c 2016
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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 Completed 22.09.2016
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|a Date Revised 10.12.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Physicochemical characteristics and Mn(2+) adsorption of annealed red mud were investigated in this study. The annealing temperature (105-900 °C) changed the mineralogical components and the point of zero charge of red mud. By comparison, annealed red mud at 700 °C (ARM700) had a better adsorption effect than other annealed samples, associated with the activated components of available Fe2O3, Al2O3, SiO2 and Na5Al3(SiO4)3CO3 (natrodavyne). The removal efficiency of Mn(2+) by ARM700 was dependent on initial pH, contact time, and initial Mn(2+) concentration of aqueous solution and was ∼56.5% with initial Mn(2+) concentration 385 mg/L at initial pH > 5. The kinetics process was predicted better by the pseudo-second-order model. The Langmuir isotherm displayed a better fitting model than the Freundlich isotherm and the Mn(2+) maximum adsorption capacity of ARM700 was 88.3 mg/g. The competing effects of Cu(2+) and Zn(2+) on Mn(2+) removal were most obvious. There was efficient Mn(2+) removal at the application of ARM700 to the leachate of electrolytic manganese residue
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|a Evaluation Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ferric Compounds
|2 NLM
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|a Industrial Waste
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Manganese
|2 NLM
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|a 42Z2K6ZL8P
|2 NLM
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|a Silicon Dioxide
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|a 7631-86-9
|2 NLM
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| 700 |
1 |
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|a Zheng, Juan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zhongqiong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Long, Qian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qiuyun
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 73(2016), 11 vom: 08., Seite 2761-71
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
1 |
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|g volume:73
|g year:2016
|g number:11
|g day:08
|g pages:2761-71
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|u http://dx.doi.org/10.2166/wst.2016.139
|3 Volltext
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