Pabrik Difenilamin Dari Anilin Dan Katalis Alumina Aktif Dengan Proses Alkilasi Kapasitas 50.000 Ton/Tahun

Kusuma, Prasdinata Meidaus (2025) Pabrik Difenilamin Dari Anilin Dan Katalis Alumina Aktif Dengan Proses Alkilasi Kapasitas 50.000 Ton/Tahun. Undergraduate thesis, UPN Veteran Jawa Timur.

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Abstract

Berikut adalah terjemahan teks tersebut dalam bahasa Inggris: Diphenylamine (DPA) or N-phenylbenzenamine is one of the chemical materials that must be imported from abroad to meet domestic needs. This is because Indonesia does not yet have a factory that produces diphenylamine. The establishment of a diphenylamine factory in Indonesia is expected to reduce dependence on imported products, not only diphenylamine products but also other products that use diphenylamine as a raw material, thereby encouraging the growth of downstream industries related to or using diphenylamine products. Diphenylamine is used as a stabilizer for elastomers, nitrocellulose, nitroglycerin, and as an intermediate for dyes. In addition, diphenylamine is also used as an additive in propellants to increase storage power by neutralizing acidic products formed from the decomposition of nitrocellulose. According to UN Comtrade (2024), the total import of diphenylamine commodities in the country in 2024 was 46,337 tons per year. The demand for diphenylamine in Indonesia is expected to continue to increase in line with the increasing human needs and the growth of downstream industries in Indonesia that require diphenylamine as a raw material. Planning for the establishment of a diphenylamine factory with a capacity of 50,000 tons/year can help meet domestic needs. The location of the factory is a crucial aspect that must be considered. Based on several considerations, the diphenylamine factory will be established in the JIIPE Gresik Industrial Area, Jalan Raya Manyar KM 11 Manyarejo, Manyar Sidorukun, Manyar District, Gresik Regency, East Java 61151. In general, diphenylamine can be produced through liquid-phase conversion and vapor-phase conversion processes. The process chosen in this factory design is the vapor-phase conversion process. The process starts with vaporizing aniline using a vaporizer. The resulting vapor is then heated with a furnace to a temperature of 460°C, which is then compressed to 7 atm. The vapor is then flowed into the reactor with an operating temperature of 460°C and a pressure of 7 atm with active alumina catalyst in the reactor tube. The aniline vapor will decompose into diphenylamine vapor and ammonia by-products. The mixture of diphenylamine vapor, ammonia, and unreacted aniline is separated in a separator. The bottom product of the separator is liquid-phase diphenylamine, which is then crystallized using a prilling tower and stored in a storage warehouse. The top product of the separator is a mixture of ammonia and unreacted aniline, which is separated again in separator 2. The bottom product of separator 2 is unreacted aniline, which is then flowed back to the vaporizer as a recycle. The top product is ammonia gas, which is stored in an ammonia storage tank. The utility unit in the diphenylamine factory serves to provide auxiliary materials and energy. In the water treatment unit, sanitary water, process water, cooling water, and boiler feedwater are provided. To conserve water, the used cooling water must be cooled again in a cooling tower. In the steam supply unit, the boiler is planned to produce saturated steam at a pressure of 4.5 bar with a temperature of 148°C. The main product sold is diphenylamine with a price of $437 per 100 kg. The economic analysis shows that the Total Capital Investment is Rp1,163,755,457,051 with a Return on Investment after tax of 16%. The Break-Even Point is 32.85% with a Payback Period of 2 years and 2 months.

Item Type:	Thesis (Undergraduate)
Contributors:	Contribution Contributors NIDN/NIDK Email Thesis advisor Saputro, Erwan Adi NIDN0010048001 UNSPECIFIED
Subjects:	T Technology > TP Chemical technology > TP155 Chemical engineering
Divisions:	Faculty of Engineering > Departement of Chemical Engineering
Depositing User:	Prasdinata Meidaus Kusuma
Date Deposited:	03 Feb 2025 10:02
Last Modified:	03 Feb 2025 10:02
URI:	https://repository.upnjatim.ac.id/id/eprint/34564

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