Yulia, Farida Norma and Ramadhani, Feby Listyo (2018) Perancangan Proses Pemisahan Fraksi Ringan pada Minyak Pelumas Bekas dengan Distilasi Atmosferik Dilanjutkan Distilasi Vakum. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pemurnian kembali minyak adalah salah satu teknologi daur ulang untuk memperlambat pengurangan cadangan minyak yang tersisa. Minyak pelumas bekas harus dimurnikan kembali terutama karena kontaminan fisik dan kimia selama penggunaannya. Penghilangan ini dapat dilakukan dengan beberapa metode, antara lain distilasi atmosferik dilanjutkan distilasi vakum untuk memisahan fraksi ringan pada minyak pelumas bekas. Tujuan dari penelitian ini adalah untuk memodelkan dan mensimulasikan pemurnian kembali minyak pelumas bekas, dan juga mendapatkan kondisi terbaik dengan Aspen Batch Modeler. Pemodelan yang digunakan adalah distilasi batch sederhana untuk distilasi atmosferik dan packed-column untuk distilasi batch vakum yang diterapkan untuk laborarorium dengan specified heat duty pemanas sebesar 500 W dan umpan pelumas bekas sebesar 2/3 volume pot. Simulasi dimulai dengan menentukan thermodynamic model package yang dipilih yaitu Peng-Robinson. Dengan pertimbangan skenario diikuti prediksi, perancangan kolom distilasi batch menghubungkan faktor pengaruh distilasi yang melibatkan tekanan, suhu dan internal kolom. Peningkatan penghilangan fraksi ringan dan perbaikan kualitas produk base oil diidentifikasi sebagai kondisi operasi terbaik. Pada distilasi batch atmosferik, suhu pot 220 oC menghasilkan %removal light ends, air dan gasoline sebesar 22,17%. Kemudian produk distilasi atmosferik dilanjutkan pada distilasi batch vakum dengan kondisi operasi terbaik yaitu suhu pot 220 oC dan tekanan vakum 100 mmHg menghasilkan %removal semua fraksi ringan termasuk gas oil 29,94%, fraksi ringan dan gas oil tersisa pada produk sebesar 0,0233 kg (fraksi massa 0,0497) dan base oil pada produk sebesar 1,1074 kg (fraksi massa 0,9534).
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Used lube oil re-refining is among widely recycling technology to slow down the reduction of all remaining oil reserves. Used lube oil must be re-refined mainly due to the accumulation of physical and chemical contaminants in the oil during service. These removals can be done by some methods, such as atmospheric distillation which is followed by vacuum distillation to separate light fractions from used lube oil. The objectives of this study were to model and simulate used lube oil re-refining, and also find out the best operating condition by Aspen Batch Modeler simulator. The models were simple batch distillation for atmospheric condition and packed-column for vacuum batch distillation that applied to laboratory scale experiments carried out with specified heat duty of heater 500 W and used lube oil feedstock was 2/3 of pot volume. This simulation began with suitable thermodynamic model package chosen, Peng-Robinson. Then with consideration of a scenario followed by prediction, inquiry activities are designed to explore key relationships in batch distillation involving pressure, temperature and column internals. The increased of removal light fractions and improved quality of base oil products were identified as the best operating condition. For atmospheric batch distillation with pot temperature of 220 oC produced %removal of light ends, water and gasoline 22,17 %. Then product of atmospheric distillation was continued to vacuum batch distillation with best operating condition was pot temperature of 220oC and 100 mmHg vacuum pressure produced %removal total light fractions including gas oil 29,94%, remaining light fractions and gas oil in the product was 0,0233 kg (mass fraction 0,0497) and base oil in product was 1,1074 kg (mass fraction 0,9534).
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSK 660.284 25 Yul p-1 3100018075995 |
| Uncontrolled Keywords: | Distilasi Batch, Minyak Pelumas Bekas, Pemurnian Kembali, Simulasi |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Faculty of Industrial Technology > Chemical Engineering > 24201-(S1) Undergraduate Thesis |
| Depositing User: | Feby Listyo Ramadhani |
| Date Deposited: | 13 Aug 2021 05:21 |
| Last Modified: | 13 Aug 2021 05:21 |
| URI: | http://repository.its.ac.id/id/eprint/53751 |
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