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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5b00489
|2 doi
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|a pubmed24n0826.xml
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|a (DE-627)NLM248026194
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|a (NLM)25871262
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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 Farzaneh, Amirfarrokh
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Adsorption of water and butanol in silicalite-1 film studied with in situ attenuated total reflectance-Fourier transform infrared spectroscopy
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|c 2015
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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 17.08.2015
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|a Date Revised 05.05.2015
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Biobutanol produced by, e.g., acetone-butanol-ethanol (ABE) fermentation is a promising alternative to petroleum-based chemicals as, e.g., solvent and fuel. Recovery of butanol from dilute fermentation broths by hydrophobic membranes and adsorbents has been identified as a promising route. In this work, the adsorption of water and butanol vapor in a silicalite-1 film was studied using in situ attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy to better understand the adsorption properties of silicalite-1 membranes and adsorbents. Single-component adsorption isotherms were determined in the temperature range of 35-120 °C, and the Langmuir model was successfully fitted to the experimental data. The adsorption of butanol is very favorable compared to that of water. When the silicalite-1 film was exposed to a butanol/water vapor mixture with 15 mol % butanol (which is the vapor composition of an aqueous solution containing 2 wt % butanol, a typical concentration in an ABE fermentation broth, i.e., the composition of the gas obtained from gas stripping of an ABE broth) at 35 °C, the adsorption selectivity toward butanol was as high as 107. These results confirm that silicalite-1 quite selectively adsorbs hydrocarbons from vapor mixtures. To the best of our knowledge, this is the first comprehensive study on the adsorption of water and butanol in silicalite-1 from vapor phase
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|a Journal Article
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|a Zhou, Ming
|e verfasserin
|4 aut
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1 |
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|a Potapova, Elisaveta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bacsik, Zoltán
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ohlin, Lindsay
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Holmgren, Allan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hedlund, Jonas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Grahn, Mattias
|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 31(2015), 17 vom: 05. Mai, Seite 4887-94
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:31
|g year:2015
|g number:17
|g day:05
|g month:05
|g pages:4887-94
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|u http://dx.doi.org/10.1021/acs.langmuir.5b00489
|3 Volltext
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