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Hydrophobic polyamide nanofilms provide rapid transport for crude oil separation.

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Title: Hydrophobic polyamide nanofilms provide rapid transport for crude oil separation.
Authors: Li, Siyao, Dong, Ruijiao, Musteata, Valentina-Elena, Kim, Jihoon, Rangnekar, Neel D., Johnson, J. R., Marshall, Bennett D., Chisca, Stefan, Xu, Jia, Hoy, Scott, McCool, Benjamin A., Nunes, Suzana P., Jiang, Zhiwei, Livingston, Andrew G.
Source: Science (pre-March 2025). 9/30/2022, Vol. 377 Issue 6614, p1555-1561. 7p. 4 Graphs.
Subjects: Hydrocarbon separation, Distillation, Oligomers, Polymerization, Nanofilms
Abstract: Hydrocarbon separation relies on energy-intensive distillation. Membrane technology can offer an energy-efficient alternative but requires selective differentiation of crude oil molecules with rapid liquid transport. We synthesized multiblock oligomer amines, which comprised a central amine segment with two hydrophobic oligomer blocks, and used them to fabricate hydrophobic polyamide nanofilms by interfacial polymerization from self-assembled vesicles. These polyamide nanofilms provide transport of hydrophobic liquids more than 100 times faster than that of conventional hydrophilic counterparts. In the fractionation of light crude oil, manipulation of the film thickness down to ~10 nanometers achieves permeance one order of magnitude higher than that of current state-of-the-art hydrophobic membranes while retaining comparable size- and class-based separation. This high permeance can markedly reduce plant footprint, which expands the potential for using membranes made of ultrathin nanofilms in crude oil fractionation. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Hydrophobic polyamide nanofilms provide rapid transport for crude oil separation.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Siyao%22">Li, Siyao</searchLink><br /><searchLink fieldCode="AR" term="%22Dong%2C+Ruijiao%22">Dong, Ruijiao</searchLink><br /><searchLink fieldCode="AR" term="%22Musteata%2C+Valentina-Elena%22">Musteata, Valentina-Elena</searchLink><br /><searchLink fieldCode="AR" term="%22Kim%2C+Jihoon%22">Kim, Jihoon</searchLink><br /><searchLink fieldCode="AR" term="%22Rangnekar%2C+Neel+D%2E%22">Rangnekar, Neel D.</searchLink><br /><searchLink fieldCode="AR" term="%22Johnson%2C+J%2E+R%2E%22">Johnson, J. R.</searchLink><br /><searchLink fieldCode="AR" term="%22Marshall%2C+Bennett+D%2E%22">Marshall, Bennett D.</searchLink><br /><searchLink fieldCode="AR" term="%22Chisca%2C+Stefan%22">Chisca, Stefan</searchLink><br /><searchLink fieldCode="AR" term="%22Xu%2C+Jia%22">Xu, Jia</searchLink><br /><searchLink fieldCode="AR" term="%22Hoy%2C+Scott%22">Hoy, Scott</searchLink><br /><searchLink fieldCode="AR" term="%22McCool%2C+Benjamin+A%2E%22">McCool, Benjamin A.</searchLink><br /><searchLink fieldCode="AR" term="%22Nunes%2C+Suzana+P%2E%22">Nunes, Suzana P.</searchLink><br /><searchLink fieldCode="AR" term="%22Jiang%2C+Zhiwei%22">Jiang, Zhiwei</searchLink><br /><searchLink fieldCode="AR" term="%22Livingston%2C+Andrew+G%2E%22">Livingston, Andrew G.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 9/30/2022, Vol. 377 Issue 6614, p1555-1561. 7p. 4 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Hydrocarbon+separation%22">Hydrocarbon separation</searchLink><br /><searchLink fieldCode="DE" term="%22Distillation%22">Distillation</searchLink><br /><searchLink fieldCode="DE" term="%22Oligomers%22">Oligomers</searchLink><br /><searchLink fieldCode="DE" term="%22Polymerization%22">Polymerization</searchLink><br /><searchLink fieldCode="DE" term="%22Nanofilms%22">Nanofilms</searchLink>
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  Data: Hydrocarbon separation relies on energy-intensive distillation. Membrane technology can offer an energy-efficient alternative but requires selective differentiation of crude oil molecules with rapid liquid transport. We synthesized multiblock oligomer amines, which comprised a central amine segment with two hydrophobic oligomer blocks, and used them to fabricate hydrophobic polyamide nanofilms by interfacial polymerization from self-assembled vesicles. These polyamide nanofilms provide transport of hydrophobic liquids more than 100 times faster than that of conventional hydrophilic counterparts. In the fractionation of light crude oil, manipulation of the film thickness down to ~10 nanometers achieves permeance one order of magnitude higher than that of current state-of-the-art hydrophobic membranes while retaining comparable size- and class-based separation. This high permeance can markedly reduce plant footprint, which expands the potential for using membranes made of ultrathin nanofilms in crude oil fractionation. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=159396804
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        Value: 10.1126/science.abq0598
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        Text: English
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        Type: general
      – SubjectFull: Distillation
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      – SubjectFull: Oligomers
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      – SubjectFull: Polymerization
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      – SubjectFull: Nanofilms
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      – TitleFull: Hydrophobic polyamide nanofilms provide rapid transport for crude oil separation.
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              Text: 9/30/2022
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