Arrohman, Satrio Furqon (2025) PEMANFAATAN BUBUK LIMBAH OLI DAN SAWIT CAIR YANG DIOLAH DENGAN ROTARY DRYER MENJADI KOMPOSIT MATERIAL ALTERNATIF PANEL KENDARAAN. S1 thesis, Fakultas Teknik Universitas Sultan Ageng Tirtayasa.
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Abstract
This study discusses the utilization of used engine oil waste and palm oil mill effluent in powdered form as fillers in epoxy resin composites. The wastes were dried using a rotary dryer until they became powder, then sieved to 100 mesh, and mixed with epoxy resin at a 50:50 volume ratio. The mechanical properties were tested according to ASTM D638 (tensile) and ASTM D256 (Izod impact) standards. The results showed that the composite with used oil filler exhibited better performance compared to the palm oil–based composite. The used oil composite achieved an average tensile strength of 13.69 MPa and a modulus of 2582.86 MPa, while the palm oil composite only reached 7.46 MPa and 1548.46 MPa. In the impact test, the used oil composite absorbed more energy (0.040 J; 0.000332 J/mm²) than the palm oil composite (0.034 J; 0.000286 J/mm²). The higher mechanical properties of the used oil composite are attributed to the carbon residue and metallic particles from engine combustion contained in the waste oil, which enhance stiffness and bonding with the epoxy resin. Meanwhile, palm oil waste contains organic components such as lignin and hemicellulose, which are hydrophilic, resulting in weaker interfacial bonding with the resin.
| Item Type: | Thesis (S1) | ||||||
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| Additional Information: | Penelitian ini membahas pemanfaatan limbah oli bekas dan limbah cair kelapa sawit berbentuk bubuk sebagai filler dalam komposit resin epoxy. Limbah dikeringkan dengan rotary dryer, hingga menjadi bubuk lalu diayak hingga 100 mesh, lalu dicampur dengan epoxy pada rasio volume 50:50. Sifat mekanik diuji menggunakan standar ASTM D638 (tarik) dan ASTM D256 (impak Izod). Hasil menunjukkan komposit dengan filler limbah oli memiliki kinerja lebih baik dibandingkan komposit berbasis sawit. Komposit limbah oli mencapai kekuatan tarik rata-rata 13,69 MPa dan modulus 2582,86 MPa, sedangkan komposit limbah sawit hanya 7,46 MPa dan 1548,46 MPa. Pada uji impak, komposit limbah oli menyerap energi lebih besar (0,040 J; 0,000332 J/mm²) dibandingkan limbah sawit (0,034 J; 0,000286 J/mm²). Nilai sifat mekanik yang lebih tinggi pada komposit limbah oli disebabkan oleh kandungan residu karbon dan partikel logam hasil pembakaran mesin pada limbah oli yang meningkatkan kekakuan dan ikatan dengan resin epoxy. Sementara itu, limbah sawit mengandung komponen organik seperti lignin dan hemiselulosa yang bersifat hidrofilik sehingga ikatan antar muka dengan resin menjadi lebih lemah. | ||||||
| Uncontrolled Keywords: | composite, epoxy resin, impact, palm oil, rotary dryer, tensile, waste oil | ||||||
| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures |
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| Divisions: | 03-Fakultas Teknik > 21201-Jurusan Teknik Mesin | ||||||
| Depositing User: | Satrio Furqon Arrohman | ||||||
| Date Deposited: | 04 Nov 2025 01:55 | ||||||
| Last Modified: | 04 Nov 2025 01:55 | ||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/55753 |
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