FATIMAH, FATIMAH (2023) Sintesis Magnetorheological Fluid ( MRF ) Berbasis Fe3O4/ TiO2 / OA dan Efisiensi Oil Spill Removal di Permukaan Air. S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
Bearing in mind that the impact of an oil spill on the water’s surface will cause harmful effects and damage to the surrounding environment. Therefore, it is necessary to develop an effective and reusable oil-absorbent material from water. Magnetorheological fluids (MRF) are fluids that have advanced widely as smart materials because of their unique properties. In MRF, magnetic nanoparticles of Fe3O4 are added with TiO2 which has the potential in the removal of oil spills on the water surface. In addition, the OA surfactant coating on MRF prevents agglomeration , increases the stability of MRF in the base fluid, and has good hydrophobic and oleophilic properties. The structures of Fe3O4-TiO2-OA MNPs were analyzed using X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Infrared Fourier transform (FTIR), vibrating sample magnetometer (VSM), and Contact Angle. Then the prepared MRF is measured for viscosity and oil removal efficiency. The results of the contact angle measurements showed that the Fe3O4-TiO2-OA MNPs had hydrophobic and oleophilic properties. The maximum degreasing efficiency of MRF Fe3O4-TiO2-OA in seawater, fresh water, and distilled water, namely; 91.81%, 94.42% , and 93.38%. oil spill removal efficiency is still above 80% after three times of oil-water separation. This can indicate that Fe3O4-TiO2-OA MNPs have good reusability properties. The MRF that we have prepared can contribute to the removal of surface oil spills in the future.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Mengingat bahwa dampak dari tumpahan minyak dipermukaan air akan menyebabkan efek berbahaya dan kerusakan pada lingkungan sekitar. Oleh karena itu perlu mengembangkan bahan penyerap minyak dari air secara efektif dan bersifat reusability . Magnetorheological fluid (MRF) merupakan cairan yang memiliki kemajuan luas sebagai smart material karena sifatnya unik. Dalam MRF, nanopartikel magnetik Fe3O4 ditambahkan TiO2 yang memiliki potensi dalam penghilangan tumpahan minyak dipermukaan air. selain itu, pelapisan surfaktan OA pada MRF mencegah terjadinya aglomerasi dan meningkatkan stabilitas MRF didalam fluida dasar serta memiliki sifat hidrofobik dan oleofilik yang baik. Struktur MNPs Fe3O4-TiO2-OA dianalisis menggunakan difraksi sinar-X (XRD), elektron pemindaian emisi lapangan mikroskop (FE-SEM), Inframerah transformasi Fourier (FTIR), vibrating sample magnetometer (VSM), dan Sudut kontak. Kemudian MRF yang telah disiapkan dilakukan pengukuran viskositas dan efisiensi penghilangan minyak. Hasil pengukuran sudut kontak menunjukkan bahwa MNPs Fe3O4-TiO2-OA memiliki sifat hidrofobik dan oleofilik. Efisiensi penghilangan minyak maksimum dari MRF Fe3O4-TiO2-OA di air laut, air tawar, dan aquades yaitu; 91,81% , 94,42 % dan 93, 38%. Efisiensi penghilangan tumpahan minyak masih diatas 80% setelah tiga kali pemisahan minyak-air. Hal ini dapat menunjukkan bahwa Fe3O4-TiO2-OA MNPs memiliki sifat reusabilitas yang baik. MRF yang kami siapkan dapat berkontribusi pada penghilangan tumpahan minyak dipermukaan air di massa yang akan datang. | |||||||||
| Uncontrolled Keywords: | Hydrophylic, Oleophylic, magnetorheological fluid, Fe3O4-TiO2- OA Hidrofilik, Oleofilik, magnetorheological fluid, Fe3O4-TiO2-OA | |||||||||
| Subjects: | Communication > Science Journalism Communication > Communication (General) |
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| Divisions: | 02-Fakultas Keguruan dan Ilmu Pendidikan 02-Fakultas Keguruan dan Ilmu Pendidikan > 84203-Jurusan Pendidikan Fisika |
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| Depositing User: | FATIMAH FATIMAH | |||||||||
| Date Deposited: | 31 Oct 2023 14:35 | |||||||||
| Last Modified: | 31 Oct 2023 14:35 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/29102 |
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