Ameliya, Echa Raniaputri (2025) Pra Rancangan Pabrik Adiponitril dari Asam Adipat dan Ammonia Dengan Proses Dehidrasi Dengan Kapasitas 50.000 Ton/Tahun. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
This preliminary plant design focuses on the production of adiponitrile (C₆H₈N₂) from adipic acid and ammonia through a dehydration process with a design capacity of 50,000 tons per year. Adiponitrile is an essential chemical compound widely used as a precursor for nylon-6,6, resins, polymers, and various intermediate chemicals. Currently, Indonesia relies entirely on imports to meet domestic demand, making the establishment of an adiponitrile plant a strategic step toward industrial independence, reducing import dependency, and enhancing the national chemical industry’s value chain. The process employs adipic acid with 99.99% purity and ammonia as feedstocks. Adipic acid is melted and heated to 216 °C, while ammonia is vaporized at 390 °C and reduced to atmospheric pressure. Both reactants enter a fixed-bed multitube reactor with boron phosphate as catalyst at 390 °C, producing adiponitrile with 94.85% conversion and water as a by-product. Downstream processing includes condensation, separation, and purification through distillation to achieve a final adiponitrile product with approximately 99% purity. The plant is designed as a continuous process operating 330 days per year with a workforce of 135 employees. Economic evaluation shows the project is feasible, with a total capital investment of Rp. 794.1 billion, a payback period of 3 years and 2 months, an internal rate of return (IRR) of 20.76%, and a break-even point of 33.56%. Based on technical and economic considerations, the construction of this plant in Karawang, West Java, is declared viable and strategically important for Indonesia’s industrial development. Keywords: adiponitrile, adipic acid, ammonia, dehydration process, fixed-bed reactor, plant design, economic feasibility, nylon-6,6.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | Q Science > Q Science (General) Q Science > QA Mathematics Q Science > QC Physics Q Science > QD Chemistry T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology T Technology > TP Chemical technology > TP155 Chemical engineering |
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| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Echa Raniaputri Ameliya | ||||||||
| Date Deposited: | 15 Sep 2025 03:12 | ||||||||
| Last Modified: | 15 Sep 2025 03:12 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/43331 |
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