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231223s2009 xx ||||| 00| ||eng c |
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|a pubmed24n0624.xml
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|a (DE-627)NLM187032858
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|a (NLM)19280904
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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 Peng, Shuchuan
|e verfasserin
|4 aut
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| 245 |
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|a Kinetics of p-nitrophenol adsorption by layered double oxides during its hydration
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|c 2009
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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 31.03.2009
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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 Kinetics of p-nitrophenol (PNP) adsorption onto layered double oxides (LDO) during its hydration into layered double hydroxides (LDH) was studied. Results indicate that the adsorption of PNP onto LDO is a spontaneous endothermic process. The adsorption isotherms correlate well with the Freundlich type model. Results suggest that the adsorption of PNP onto LDO is an entropy-increasing process, and it appears to be in agreement with pseudo-second-order kinetics. Intra-particle diffusion was found to take part in the adsorption processes, and it might be the primary rate-limiting step for the sorbing capacity of LDO to PNP. Results from X-ray diffraction and Fourier transform infrared indicate that PNP molecules are probably taken into the interlayer of the structure during the hydration of LDO into the LDH. Activated carbon was used as a benchmark material in evaluating the sorbing capacity of LDO to PNP. The sorbing capacity of LDO to PNP (32 mg PNP/g LDO) was well below activated carbon (659 mg PNP/g carbon); however, the sorbing process of LDO to PNP is also a unique synthetic process for LDH, which has been used in removing specific anionic species, such as bioagents and pharmaceutical intermediates from waters
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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7 |
|a Nitrophenols
|2 NLM
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7 |
|a Oxides
|2 NLM
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|a 4-nitrophenol
|2 NLM
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| 650 |
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|a Y92ZL45L4R
|2 NLM
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| 700 |
1 |
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|a Ma, Minghai
|e verfasserin
|4 aut
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|a Jin, Song
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Tianhu
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 81(2009), 1 vom: 31. Jan., Seite 91-6
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:81
|g year:2009
|g number:1
|g day:31
|g month:01
|g pages:91-6
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|a AR
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|d 81
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|h 91-6
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