Ethyl Alcohol From Molasses Plant Design With Capacity 40,000 Ton/Year

Wahyuni, Ambar Tri and , Rois Fathoni, S.T. M.Sc. Ph.D (2017) Ethyl Alcohol From Molasses Plant Design With Capacity 40,000 Ton/Year. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Ethyl alcohol is the principal type of alcohol in alcoholic beverages. Ethyl alcohol is mostly produced by the fermentation of sugar by yeast or by petrochemical processes. Ethyl alcohol is a chemical product primarily used for antiseptic, antidote, medical solvent, recreational, fuel (engine fuel, rocket fuel, fuel cells), household heating, feedstock, solvent, and low temperature liquid(used in laboratories with dry ice or other coolants). The plant of ethyl alcohol from molasses as raw material will be established in Sukoharjo, Central Java with capacity 40,000 tons/year and built in year 2020. The raw of molasses is obtained from some suppliers around Solo – Semarang, Central Java. The production of ethyl alcohol is carried out in a fermenter where the operating condition of pressure and temperature are 1 atm and isothermally at 35°C, respectively. Utility needs to support the process. Used water as much as 187,154.6378 kg/h which is obtained from river water. Air and compressed air as much as 50 m3/h also needs to suport the process. The other utilities needs is steam 66,767,052.8459 kg/h and electricity 350 kw/h. This ethyl alcohol plant has 330 operational days with Fixed Capital as much as Rp 74,261,326,185.2297 and known the Working Capital as much as Rp 45,472,670,854.7867. From the economic evaluation that had been calculated before showed that the Profit before tax is about Rp 25,002,027,285.4679, while the Profit after tax about Rp 17,501,419,099.8275. From the calculation also known that the Return On Investment before tax is about 33.6676%, while Return On Investment after tax is about 23.5673%. The Pay Out Time before tax shown the number of 2.2900 years with Pay Out Time after tax are 2.9791 years. Break Event Point is 53.8313% and Shut Down Point is about 41.2793%, and Discounted Cash Flow as much as 30.2125%. From the results of economic evaluation this Ethyl alcohol plant is feasibly established and operated.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Ethyl Alcohol, Ethanol, Molasses, Fermentation Process
Subjects:	T Technology > TP Chemical technology
Divisions:	Fakultas Teknik > Teknik Kimia
Depositing User:	AMBAR TRI WAHYUNI
Date Deposited:	16 Aug 2017 03:43
Last Modified:	16 Aug 2017 03:43
URI:	http://eprints.ums.ac.id/id/eprint/55695

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