Mathovani, Thoriqul Hilmi Afan (2026) Pabrik Metil Salisilat (C8H8O3) Dari Metanol (CH3OH) Dan Asam Salisilat (C7H6O3) Dengan Proses Esterifikasi Kapasitas 45.000 Ton/Tahun. Undergraduate thesis, UPN "Veteran" Jawa Timur.
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Abstract
Methyl salicylate is a chemical compound that has a wide range of applications in the chemical, pharmaceutical, cosmetic, flavoring, and fragrance industries. This compound is widely used as a raw material in the manufacture of liniments, aromatherapy oils, perfumes, flavoring agents, as well as intermediates in the synthesis of various organic chemical products. The high demand for methyl salicylate in various industrial sectors has caused the demand for this compound to continue increasing from year to year. Therefore, the opportunity to establish a methyl salicylate plant in Indonesia is considered highly promising, making the design of a chemical plant with methyl salicylate as the main product necessary. The plant is planned to be established in 2030 with a production capacity of 45,000 tons/year and will be located in the Bontang Industrial Area, East Kalimantan. The plant will operate for 330 days per year with a total workforce of 187 employees. The production of methyl salicylate is carried out through an esterification process between salicylic acid and methanol using DIAION SK1BH solid acid catalyst. Before entering the reactor, salicylic acid and methanol are mixed in a mixer until a molar ratio of 1:17.111 is achieved to ensure complete dissolution of salicylic acid in methanol. The mixture is then fed into a multitube fixed-bed reactor operating at a temperature of 120°C and a pressure of 6 atm to maintain methanol in the liquid phase during the process. The esterification reaction occurring inside the reactor is exothermic with a conversion of 93.1%. The reactor effluent is subsequently sent to Distillation Column I to separate methanol from the product mixture. The methanol obtained as the top product is recycled back to the reactor to improve raw material efficiency. The bottom stream from Distillation Column I is then directed to a decanter to separate the water formed during the reaction based on density differences. Furthermore, the product mixture is sent to Distillation Column II to purify the main product, methyl salicylate, until a purity of 99.9% is achieved. The final product is then stored in a storage tank at 30°C and 1 atm before being marketed. The planned specifications for the establishment of the methyl salicylate plant can be summarized as follows: Production Capacity : 45,000 Tons/Year Organization Form : Limited Liability Company Organizational System : Line and Staff Plant Location : Bontang Industrial Area, East Kalimantan Operating System : Continuous Operating Time : 330 Days Economic Analysis : a. Construction Period = 2 Years b. Fixed Capital Investment (FCI) = Rp 1,438,505,285,989 c. Working Capital Investment (WCI) = Rp 1,169,361,681,046 d. Total Capital Investment (TCI) = Rp 2,607,866,967,035 e. Raw Material Cost (per year) = Rp 3,307,197,960,173 f. Utility Cost (per year) = Rp 272,723,204,791 g. Sales Revenue = Rp 5,400,000,017,280 h. Bank Loan Interest = 8% i. Return on Investment (before tax) = 23.28% j. Return on Investment (after tax) = 17.46% k. Pay Out Period = 3 Years 5 Months l. Internal Rate of Return (IRR) = 13.551% m. Break Even Point (BEP) = 36.32% Based on the technical, operational, and economic evaluations, the methyl salicylate plant with a production capacity of 45,000 tons/year is considered feasible to be established and has good prospects for future profitability.
| 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: | Thoriqul Hilmi Mathovani | ||||||||||||
| Date Deposited: | 29 May 2026 07:21 | ||||||||||||
| Last Modified: | 29 May 2026 07:21 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/53227 |
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