Mafachir, Muhammad Tajul (2026) PRA RANCANGAN PABRIK ALUMINIUM SULFAT DARI ALUMINIUM HIDROKSIDA DAN ASAM SULFAT DENGAN PROSES GIULINI KAPASITAS 60.000 TON/TAHUN. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
An aluminum sulfate plant with a production capacity of 60,000 tons per year is planned to utilize the Giulini process and be located in Manyar, Gresik, East Java. The plant is designed to operate 24 hours a day, 330 days a year, using aluminum hydroxide and sulfuric acid (H2SO4) as primary raw materials. The aluminum sulfate production process comprises several stages: raw material preparation, reaction, evaporation, crystallization, drying, and product handling. During the raw material preparation stage, aluminum hydroxide and sulfuric acid are conditioned to meet operational requirements before being fed into the reactor. Subsequently, in the reaction stage, aluminum hydroxide reacts with the sulfuric acid solution within the reactor—achieving a conversion rate of 99.92%—to produce an aluminum sulfate solution. This solution is then directed to an evaporator to reduce its water content through evaporation. The concentrated aluminum sulfate solution undergoes crystallization to form aluminum sulfate crystals. The resulting crystals are dried in a rotary dryer using hot, dry air until the product reaches a water content of 0.2%. Finally, the dried product enters the product handling stage, which includes size reduction, cooling, screening, and packaging, before the product is ready for distribution. Economic analysis indicates that the plant construction will take two years, requiring a total capital investment of Rp501,397,194,466; this comprises Rp300,838,318,480 in equity and Rp200,558,878,987 in loan capital. The analysis results show an estimated payback period of 4 years and 7 months, with a rate of return of 12.62%. The factory is estimated to reach the break-even point (BEP) at a production level of 30% of its maximum production capacity.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Mr. Muhammad Tajul Mafachir | ||||||||
| Date Deposited: | 01 Sep 2026 03:51 | ||||||||
| Last Modified: | 01 Sep 2026 03:51 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/59437 |
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