Nathanael, Gerald and Dewanto, Muhammad Satrio (2025) Desain Pabrik Bioetanol Dari Tetes Tebu (Molases) Sebagai Alternatif Bahan Bakar Nabati Untuk Mendorong Energi Terbarukan Di Indonesia. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Produksi bioetanol sebagai sumber energi terbarukan terus dikembangkan melalui pemanfaatan berbagai bahan baku, salah satunya molases sebagai bahan baku generasi pertama dalam produksi bioetanol. Molases merupakan produk samping dari industri gula yang melimpah dan berpotensi meningkatkan nilai ekonominya melalui konversi menjadi bioetanol. Rancangan pabrik bioetanol ini direncanakan berlokasi di Kecamatan Kota Kediri, Kabupaten Kediri, Provinsi Jawa Timur, dengan kapasitas produksi sebesar 19.400 KL/tahun dan waktu operasi 330 hari per tahun secara kontinu. Proses utama dalam produksi meliputi pre-treatment (pengenceran dan penyesuaian pH molases), fermentasi (propagasi dan fermentasi anaerob oleh Saccharomyces cerevisiae), serta pemisahan dan pemurnian etanol menggunakan teknologi distilasi bertingkat dan adsorpsi dengan molecular sieve. Produk akhir memiliki kadar etanol sebesar 99,6% v/v dengan yield sebesar 19%, sesuai dengan standar SNI. Berdasarkan analisis ekonomi, proyek ini menunjukkan kelayakan dengan nilai Capital Expenditure (CAPEX) sebesar Rp 360.222.565.904, Operational Expenditure (OPEX) Rp 217.779.514.826 per tahun, Net Present Value (NPV) sebesar Rp 42.850.918.404, Internal Rate of Return (IRR) sebesar 13,63% per tahun, Pay Out Time (POT) selama 6,56 tahun, dan Break Even Point (BEP) sebesar 41,60%. Dengan demikian, dari segi teknis dan ekonomi, pendirian pabrik bioetanol dari molases ini dinilai layak
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Bioethanol production as a renewable energy source continues to be developed through the utilization of various raw materials, one of which is molasses as a first-generation feedstock. Molasses is a by-product of the sugar industry that is abundant and holds potential for increased economic value through conversion into bioethanol. This bioethanol plant is planned to be located in Kota Kediri, Kediri, East Java, with a production capacity of 19,400 KL/year and an operational time of 330 days per year on a continuous basis. The main production processes include pre-treatment (dilution and pH adjustment of molasses), fermentation (propagation and anaerobic fermentation by Saccharomyces cerevisiae), as well as ethanol separation and purification using multistage distillation technology and adsorption with molecular sieve. The final product contains 99.6% v/v ethanol with a yield of 19%, in accordance with the Indonesian National Standard (SNI). Based on economic analysis, the project is considered feasible, with a Capital Expenditure (CAPEX) of Rp 360,222,565,904, Operational Expenditure (OPEX) of Rp 217,779,514,826 per year, a Net Present Value (NPV) of Rp 42,850,918,404, an Internal Rate of Return (IRR) of 13.63% per year, a Pay Out Time (POT) of 6.56 years, and a Break Even Point (BEP) of 41.60%. Therefore, from both technical and economic perspectives, the establishment of this bioethanol plant from molasses is considered feasible.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Bioetanol, Energi Terbarukan, Fermentasi, Molases; Saccharomyces cerevisiae, Bioethanol, Fermentation, Molasses, Saccharomyces cerevisiae, Renewable Energy |
| Subjects: | T Technology > TP Chemical technology > TP155.5 Chemical plants--Design and construction T Technology > TP Chemical technology > TP155.7 Chemical processes. T Technology > TP Chemical technology > TP156 Crystallization. Extraction (Chemistry). Fermentation. Distillation. Emulsions. |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Chemical Engineering > 24201-(S1) Undergraduate Thesis |
| Depositing User: | Gerald Nathanael |
| Date Deposited: | 25 Jul 2025 02:03 |
| Last Modified: | 25 Jul 2025 02:03 |
| URI: | http://repository.its.ac.id/id/eprint/121285 |
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