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231224s2016 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2016.211
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Sheng, Yanqing
|e verfasserin
|4 aut
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|a Use of bauxite residue (red mud) as a low cost sorbent for sulfide removal in polluted water remediation
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|c 2016
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 17.01.2017
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|a Date Revised 02.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a Sulfide is an important pollutant in aqueous systems. Sulfide removal from polluted waters is required prior to discharge. Red mud (RM) is a solid waste of bauxite processing that is rich in reactive iron oxides and consequently has the potential to be used to remove sulfide from aqueous systems. A series of experiments was undertaken using raw and sintered RM to remove sulfide from waters. RM was highly efficient at sulfide removal (average 75% sulfide removal at initial concentration of ∼5 mg L(-1), with 500 mg L(-1) RM addition) due to both physical adsorption (high specific area) and chemical reaction (with amorphous Fe). Sintered RM, which has a lower surface area and lower mineral reactivity, was much less efficient at removing sulfide (∼20% removal under equivalent experimental conditions). Furthermore, concomitant metal release from raw RM was lower than for sintered RM during the sulfide removal process. The results showed that raw RM is a potentially suitable material for sulfide removal from polluted waters and consequently could be used as a low cost alternative treatment in certain engineering applications
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|a Journal Article
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|a Metals
|2 NLM
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|a Sulfides
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Aluminum Oxide
|2 NLM
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|a LMI26O6933
|2 NLM
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1 |
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|a Sun, Qiyao
|e verfasserin
|4 aut
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|a Sun, Ruichuan
|e verfasserin
|4 aut
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1 |
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|a Burke, Ian T
|e verfasserin
|4 aut
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|a Mortimer, Robert J G
|e verfasserin
|4 aut
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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 74(2016), 2 vom: 01., Seite 359-66
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:74
|g year:2016
|g number:2
|g day:01
|g pages:359-66
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|u http://dx.doi.org/10.2166/wst.2016.211
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