Sulistia, Diah Ayu (2026) Pabrik Alkil Benzena Sulfonat dari Alkil Benzene dan Oleum dengan Proses Sulfonasi Kapasitas 65.000 Ton/Tahun. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The chemical industry is a vital sector that supports national economic development by supplying various raw materials to downstream industries. One chemical of strategic value is alkyl benzene sulfonate (ABS), a compound widely used as a primary surfactant in the manufacture of detergents, household cleaners, and various other industrial products. High demand for cleaning products presents significant industrial development potential for ABS. Consequently, there is a substantial opportunity to establish an alkyl benzene sulfonate plant in Indonesia; this project entails the design of a chemical plant with a production capacity of 65,000 tons per year, to be located in the Cilegon Industrial Estate, Banten Regency. The plant is scheduled to commence operations in 2030, running for 330 days annually with a workforce of 198 employees. The production process for Alkyl Benzene Sulfonate (ABS) begins with the storage of raw materials—alkylbenzene, 20% oleum, and NaOH—in storage tanks at 30°C and 1 atm. Alkylbenzene and 20% oleum are then pumped to a heat exchanger to raise the temperature to 50°C before entering the reactor at a feed ratio of 1:1.1. Product formation takes place in a Continuous Stirred-Tank Reactor (CSTR) via a sulfonation reaction between alkylbenzene and oleum under isothermal conditions (50°C and 1 atm). The reaction yields alkyl benzene sulfonic acid and sulfuric acid; the sulfuric acid is diluted to a concentration of 78% before being separated from the mixture in a decanter based on density differences. The sulfuric acid byproduct is separated and stored, while the alkyl benzene sulfonic acid proceeds to the purification stage. In the purification stage, alkyl benzene sulfonic acid is neutralized using a 20% NaOH solution to yield alkyl benzene sulfonate (sodium salt) with a pH of 7–8. The product is then diluted to a concentration of 50% and transferred to a storage tank for packaging and marketing as the final product.
| 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: | 22031010039 Sulistia | ||||||||
| Date Deposited: | 01 Sep 2026 03:32 | ||||||||
| Last Modified: | 01 Sep 2026 05:30 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/59347 |
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