Direct silanization of polyurethane foams for efficient selective absorption of oil from water
Absorption is an effective method to collect oil spills and solvent leakages from water. However, the currently used oil absorbents are still suffering from high cost, tedious preparation, and low recyclability. In this work, we report an extremely simple and low‐cost strategy to produce oil absorbe...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Xiong, Sen [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Rechteinformationen: |
Nutzungsrecht: © 2017 American Institute of Chemical Engineers |
|---|
| Schlagwörter: |
|---|
| Übergeordnetes Werk: |
Enthalten in: AIChE journal - Hoboken, NJ : Wiley-Blackwell, 1955, 63(2017), 6, Seite 2232-2240 |
|---|---|
| Übergeordnetes Werk: |
volume:63 ; year:2017 ; number:6 ; pages:2232-2240 |
| Links: |
|---|
| DOI / URN: |
10.1002/aic.15629 |
|---|
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OLC1993629696 |
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| 520 | |a Absorption is an effective method to collect oil spills and solvent leakages from water. However, the currently used oil absorbents are still suffering from high cost, tedious preparation, and low recyclability. In this work, we report an extremely simple and low‐cost strategy to produce oil absorbents by directly coupling alkoxysilane onto the surface of polyurethane (PU) foams. Such direct silanization renders the initially amphiphilic foams a strong hydrophobicity and consequently a water‐repelling and oil‐absorptive functionality. The silanized foams exhibit highest absorption capacities as well as best recyclability among all PU‐based oil absorbents. More practically, the silanized PU foams can be used to recover crude oil spills with an absorption capacity of higher than 75 times of their own weight, and maintain 90% of the initial absorption capacity after eight times reusage. Interestingly, we invent portable oil suckers for continuous oil absorption from water by filling vacuum cleaners with the silanized foams. © 2017 American Institute of Chemical Engineers AIChE J , 63: 2232–2240, 2017 | ||
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660 DE-600 58.00 bkl Direct silanization of polyurethane foams for efficient selective absorption of oil from water absorption silanization oil/water separation polyurethane foam oil spills Oil spills |
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Direct silanization of polyurethane foams for efficient selective absorption of oil from water |
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Direct silanization of polyurethane foams for efficient selective absorption of oil from water |
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Xiong, Sen |
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direct silanization of polyurethane foams for efficient selective absorption of oil from water |
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Direct silanization of polyurethane foams for efficient selective absorption of oil from water |
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Absorption is an effective method to collect oil spills and solvent leakages from water. However, the currently used oil absorbents are still suffering from high cost, tedious preparation, and low recyclability. In this work, we report an extremely simple and low‐cost strategy to produce oil absorbents by directly coupling alkoxysilane onto the surface of polyurethane (PU) foams. Such direct silanization renders the initially amphiphilic foams a strong hydrophobicity and consequently a water‐repelling and oil‐absorptive functionality. The silanized foams exhibit highest absorption capacities as well as best recyclability among all PU‐based oil absorbents. More practically, the silanized PU foams can be used to recover crude oil spills with an absorption capacity of higher than 75 times of their own weight, and maintain 90% of the initial absorption capacity after eight times reusage. Interestingly, we invent portable oil suckers for continuous oil absorption from water by filling vacuum cleaners with the silanized foams. © 2017 American Institute of Chemical Engineers AIChE J , 63: 2232–2240, 2017 |
| abstractGer |
Absorption is an effective method to collect oil spills and solvent leakages from water. However, the currently used oil absorbents are still suffering from high cost, tedious preparation, and low recyclability. In this work, we report an extremely simple and low‐cost strategy to produce oil absorbents by directly coupling alkoxysilane onto the surface of polyurethane (PU) foams. Such direct silanization renders the initially amphiphilic foams a strong hydrophobicity and consequently a water‐repelling and oil‐absorptive functionality. The silanized foams exhibit highest absorption capacities as well as best recyclability among all PU‐based oil absorbents. More practically, the silanized PU foams can be used to recover crude oil spills with an absorption capacity of higher than 75 times of their own weight, and maintain 90% of the initial absorption capacity after eight times reusage. Interestingly, we invent portable oil suckers for continuous oil absorption from water by filling vacuum cleaners with the silanized foams. © 2017 American Institute of Chemical Engineers AIChE J , 63: 2232–2240, 2017 |
| abstract_unstemmed |
Absorption is an effective method to collect oil spills and solvent leakages from water. However, the currently used oil absorbents are still suffering from high cost, tedious preparation, and low recyclability. In this work, we report an extremely simple and low‐cost strategy to produce oil absorbents by directly coupling alkoxysilane onto the surface of polyurethane (PU) foams. Such direct silanization renders the initially amphiphilic foams a strong hydrophobicity and consequently a water‐repelling and oil‐absorptive functionality. The silanized foams exhibit highest absorption capacities as well as best recyclability among all PU‐based oil absorbents. More practically, the silanized PU foams can be used to recover crude oil spills with an absorption capacity of higher than 75 times of their own weight, and maintain 90% of the initial absorption capacity after eight times reusage. Interestingly, we invent portable oil suckers for continuous oil absorption from water by filling vacuum cleaners with the silanized foams. © 2017 American Institute of Chemical Engineers AIChE J , 63: 2232–2240, 2017 |
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Direct silanization of polyurethane foams for efficient selective absorption of oil from water |
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http://dx.doi.org/10.1002/aic.15629 http://onlinelibrary.wiley.com/doi/10.1002/aic.15629/abstract http://search.proquest.com/docview/1895112615 |
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