Facile Preparation of Smart Sponge Based on a Zeolitic Imidazolate Framework for the Efficient Separation of Oily Wastewater
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Preparation of ZIF-8/APTES/MS
2.3. Adsorption Experiments for Oil and Organic Solvent
2.4. Recyclability and Reusability Tests
2.5. Oil/Water Separation
2.6. Emulsion Separation
2.7. Characterization
3. Results and Discussion
3.1. Characterization of ZIF-8/APTES/MS Composites
3.1.1. SEM Analysis
3.1.2. XPS Analysis
3.2. Surface Wettability Analysis and Antifouling Properties
3.3. Adsorption of Oil and Organic Solvents and Oil/Water Separation Properties
3.4. Emulsion Separation
3.5. Durability and Chemical Stability
3.6. Flame Retardancy
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Solvent | Polarity | Surface Tension (mN/m) | UWOCA |
---|---|---|---|
Methanol | 6.6 | 23.6 | 151.7° |
Ethanol | 4.3 | 22.39 | 154.2° |
Acetonitrile | 6.2 | 22.75 | 153.1° |
DMF | 7.87 | 25.7 | 150.6° |
Adsorbents | WCA | Adsorption Capacity (g/g) | Ref. |
---|---|---|---|
ZIF-8/PDMS/PU | 156° | 42–58 | [18] |
ZIF-8/APTES/MS | 130° | 76–164 | [20] |
ZIF-8-PDA@MS | 162° | 85.45–168.95 | [22] |
ZIF-8/SA/PU | 143.2° | 30.28–115.35 | [32] |
ZIF-8/PU | 129.2° | 28–79 | [33] |
ZIF-8/PE | - | 17.6–55.8 | [34] |
ZIF-90/MS | 154° | 24–63 | [34] |
ZIF-8/APTES/MS | 158.1° | 65.4–134.2 | This work |
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Zhang, Y.; Chen, X.; Yuan, P.; Chen, H.; Li, S. Facile Preparation of Smart Sponge Based on a Zeolitic Imidazolate Framework for the Efficient Separation of Oily Wastewater. Coatings 2024, 14, 1058. https://doi.org/10.3390/coatings14081058
Zhang Y, Chen X, Yuan P, Chen H, Li S. Facile Preparation of Smart Sponge Based on a Zeolitic Imidazolate Framework for the Efficient Separation of Oily Wastewater. Coatings. 2024; 14(8):1058. https://doi.org/10.3390/coatings14081058
Chicago/Turabian StyleZhang, Yuping, Xinxin Chen, Pei Yuan, Haie Chen, and Songwei Li. 2024. "Facile Preparation of Smart Sponge Based on a Zeolitic Imidazolate Framework for the Efficient Separation of Oily Wastewater" Coatings 14, no. 8: 1058. https://doi.org/10.3390/coatings14081058