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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la204969t
|2 doi
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|a eng
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|a Moreira, Mariana A
|e verfasserin
|4 aut
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|a Toward understanding the influence of ethylbenzene in p-xylene selectivity of the porous titanium amino terephthalate MIL-125(Ti)
|b adsorption equilibrium and separation of xylene isomers
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 30.07.2012
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|a Date Revised 22.02.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The potential of the porous crystalline titanium dicarboxylate MIL-125(Ti) in powder form was studied for the separation in liquid phase of xylene isomers and ethylbenzene (MIL stands for Materials from Institut Lavoisier). We report here a detailed experimental study consisting of binary and multi-component adsorption equilibrium of xylene isomers in MIL-125(Ti) powder at low (≤0.8 M) and bulk (≥0.8 M) concentrations. A series of multi-component breakthrough experiments was first performed using n-heptane as the eluent at 313 K, and the obtained selectivities were compared, followed by binary breakthrough experiments to determine the adsorption isotherms at 313 K, using n-heptane as the eluent. MIL-125(Ti) is a para-selective material suitable at low concentrations to separate p-xylene from the other xylene isomers. Pulse experiments indicate a separation factor of 1.3 for p-xylene over o-xylene and m-xylene, while breakthrough experiments using a diluted ternary mixture lead to selectivity values of 1.5 and 1.6 for p-xylene over m-xylene and o-xylene, respectively. Introduction of ethylbenzene in the mixture results however in a decrease of the selectivity
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|a Journal Article
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|a Santos, João C
|e verfasserin
|4 aut
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|a Ferreira, Alexandre F P
|e verfasserin
|4 aut
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1 |
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|a Loureiro, José M
|e verfasserin
|4 aut
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|a Ragon, Florence
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Horcajada, Patricia
|e verfasserin
|4 aut
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|a Yot, Pascal G
|e verfasserin
|4 aut
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|a Serre, Christian
|e verfasserin
|4 aut
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| 700 |
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|a Rodrigues, Alírio E
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 7 vom: 21. Feb., Seite 3494-502
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:28
|g year:2012
|g number:7
|g day:21
|g month:02
|g pages:3494-502
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|u http://dx.doi.org/10.1021/la204969t
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