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20231224105802.0 |
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231224s2014 xx ||||| 00| ||eng c |
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|a pubmed24n0788.xml
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|a (DE-627)NLM236540912
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|a (NLM)24645545
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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 Kong, Shuqiong
|e verfasserin
|4 aut
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| 245 |
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|a Adsorption/Oxidation of arsenic in groundwater by nanoscale Fe-Mn binary oxides loaded on zeolite
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 08.04.2014
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|a Date Revised 23.09.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Nanoscale Fe-Mn binary oxides loaded on zeolite (NIMZ) is synthesized and characterized. The as-synthesized adsorbent is amorphous with 126 m2/g surface area; it is effective for the adsorption of both As(III) and As(V) in synthetic groundwater. It has high adsorption capacities of 296.23 and 201.10 mg/g for As(III) and As(V), respectively. For the adsorption of 2 mg/L arsenic, the aqueous concentration quickly decreases to less than 10 /microg/L within 30 min. During the adsorption of As(III), the in-aqueous measurement of As(V) shows a low concentration in the initial stage and disappears afterward. The fraction of As(V) on NIMZ gradually increases with time, proving the oxidation of As(III). The adsorption of As(III) and As(V) decreases with increasing pH. The anions of SiO3(2-), H2PO4(-), and HCO3(-) significantly compete with arsenic for the adsorption sites. The innersphere surface complexes are formed by As(III) or As(V) with the hydroxyl groups on the surface of NIMZ
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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 Water Pollutants, Chemical
|2 NLM
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| 650 |
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|a Zeolites
|2 NLM
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|a 1318-02-1
|2 NLM
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|a Arsenic
|2 NLM
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| 650 |
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7 |
|a N712M78A8G
|2 NLM
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| 700 |
1 |
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|a Wang, Yanxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhan, Hongbin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Songhu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Mei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Mingliang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 86(2014), 2 vom: 30. Feb., Seite 147-55
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:86
|g year:2014
|g number:2
|g day:30
|g month:02
|g pages:147-55
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|a AR
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|d 86
|j 2014
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|h 147-55
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