Prarancangan Pabrik Asam Nitrat Dari Asam Sulfat Dan Natrium Nitrat Kapasitas 35.000 Ton Per Tahun

Arimurti, Rizki Dyah and , M. Mujiburohman, Ph.D. and , Hamid Abdillah, S.T., M.T. (2016) Prarancangan Pabrik Asam Nitrat Dari Asam Sulfat Dan Natrium Nitrat Kapasitas 35.000 Ton Per Tahun. Diploma thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Nitric acid plant with raw materials of sulphuric acid and sodium nitrate with a capacity 35.000 tons/year is planned to be established in 2020 in Karawang, West Java. The sodium nitrate is imported from Chile and the sulphuric acid is from PT Indonesian Acid Industry. The nitric acid production uses continuous stirred tank reactor (CSTR). The reaction is exothermic, non adiabatic, and irreversible, carried out at temperature of 150°C and pressure of 1 atm. The plant is categorized as low risk process due to the friendly operating conditions. The process of nitric acid production is initiated with reacting sulphuric acid and sodium nitrate in the reactor. The vapor product of reactor is condensed by a partial condenser and is purified in distillation tower to produce nitric acid with purity of 98%, while the liquid product, called niter cake, is stored as side product. Based on the capacity, the production of nitric acid is 4,419.1919 kgs/hour. To support the process, utilities are required including 119,178.1218 kgs/hour of cooling water, 8,871.2408 kgs/hour of steam. Which is obtained from boiler consuming fuel oil as much as 793.4961 L/hour, and electricity supplied from PLN and generator set. The water source is taken from Kalimalang river,. The economic analysis gives the profit before tax is Rp56,960,386,562/year, and Rp42,720,289,922/year after tax. The percent Return on Investment (ROI) before tax is 21.34% and 16.01% after tax. The Pay Out Time (POT) before tax is 3.19 years and 3.85 years after tax. The Break Event Point (BEP), the Shut Down Point (SDP), and the Internal Rate of Return (IRR) are 57.60, 27.79%, and 31.91%, respectively. The above economic analysis concludes that the plant is feasible to set.

Item Type:	Karya ilmiah (Diploma)
Uncontrolled Keywords:	CSTR, niter cake, nitric acid, sulphuric acid
Subjects:	Q Science > QD Chemistry
Divisions:	Fakultas Teknik > Teknik Kimia
Depositing User:	RIZKI DYAH ARIMUKTI
Date Deposited:	21 Nov 2016 05:19
Last Modified:	21 Nov 2016 05:19
URI:	http://eprints.ums.ac.id/id/eprint/48051

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