Prarancangan Pabrik Etil Tert Butil Eter Dari Etanol Dan Isobutena Kapasitas 50.000 Ton/Tahun

Ady Prasetyo, Sidiq and , Ir. Nur Hidayati, M.T, Ph.D (2017) Prarancangan Pabrik Etil Tert Butil Eter Dari Etanol Dan Isobutena Kapasitas 50.000 Ton/Tahun. Diploma thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Ethyl Tert Butyl Ether plant from isobutylene and ethanol is designed in capacity of 50,000 tons per year and operates 330 days/year. The product is ETBE with 96% purity. The raw materials are 3522 kg/hr of Isobutylene and 2889 kg/hr of Ethanol. Based on operating conditions, raw material selection and product type, the plant is low risk. In general, the process of manufacturing of ETBE from isobutylene and ethanol consists of two main processes, the reaction process between isobutylene and ethanol, and separation process of ETBE and C4 mixture. The reaction of ETBE from isobutylene and ethanol in the adiabatic fixed bed reactor with catalyst Amberlyst 15 performed at 10 atm and 68oC, and the seperation process performed in distilation tower at 1 atm to seperate 6660,35 kg/hr of ETBE and 256,75 kg/hr of C4 mixture. The plant will be established in Cilegon, Banten. The form of company used is Limited Liability Company (PT). Working system applied in the factory in the form of shift and non shift system by employing 450 employees. To support the process, the utility required a lot of steamse 385.38 kg hour, cooling water as much as 2.046.755,81 kg/hour, electricity needs 51.4533 kW, and the rest by PLN, air compressed unit as much as 178.11 m3/hour. Fixed capital is about Rp 387.889.050.057 and working capital is Rp 310.311.240.046. From the calculation of Return on Investment (ROI) before taxes is 66 % and after tax is 52 %. Pay Out Time (POT) before tax is 1,5238 years and 1,6000 years after tax. Break Even Point is 33,48%, Shut Down Point is 20,05% and Discounted Cash Flow Rate Of Return is 25.05%. Based on economic evaluations, so ETBE in capacity of 50,000 tons/year is profitable and reasonable to build

Item Type:	Karya ilmiah (Diploma)
Uncontrolled Keywords:	Etil Tersier Butil Eter, Amberlyst 15, fixed bed.
Subjects:	T Technology > TP Chemical technology
Divisions:	Fakultas Teknik > Teknik Kimia
Depositing User:	SIDIQ ADY PRASETYO
Date Deposited:	07 Nov 2017 03:56
Last Modified:	07 Nov 2017 03:56
URI:	http://eprints.ums.ac.id/id/eprint/56961

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