Efisiensi Unit Pretreatment di Pabrik Bioetanol dari Batang Jagung dengan Hidrolisa Enzim dan Sistem Molecular Seive

Anindya, Nabila Fara and Mudyawati, Putri Selly (2021) Efisiensi Unit Pretreatment di Pabrik Bioetanol dari Batang Jagung dengan Hidrolisa Enzim dan Sistem Molecular Seive. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Saat ini, keberadaan sumber energi seperti minyak bumi dan gas alam semakin terbatas, padahal kebutuhan energi merupakan sesuatu yang tidak dapat terpisahkan dari kehidupan manusia. Energi mempunyai peranan penting dalam kehidupan sosial, ekonomi, dan lingkungan. Kapasitas pabrik asam sulfat yang akan didirikan pada tahun 2025 ini adalah 22.000 ton/tahun. Pada proses sebelumnya,terdapat proses pretreatment yang begitu panjang sehingga tanki overliming, tangki reacidifikasi dan tangki reslurry dapat diefisiensikan. Dengan efisiensi beberapa alat tersebut didapatkan hasil yaitu efisiensi dan Optimasi Proses pada tahap pretreatment dapat menghemat total energi yang dikeluarkan yaitu sebesar 2.316.412.866 kkal dan dapat menghemat biaya sebesar Rp 10.620.754.335/jam. Berdasarkan analisa kelayakan ekonomi , pabrik bioetanol dari batang jagung dengan kapasitas 22.000.000 ton/tahun telah layak untuk didirikan dengan POT, NPV, BEP dan IRR yang diperoleh sebesar 1.95 tahun; Rp. 50.676.845.009,93; 25,63%; dan 44%.
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Currently, the existence of energy sources such as oil and natural gas is increasingly limited, even though energy needs are something that cannot be separated from human life. Energy has an important role in social, economic and environmental life. The capacity of the sulfuric acid plant to be established in 2025 is 22,000 tons/year. In the previous process, there was a long pretreatment process so that the overliming tank, reacidification tank and reslurry tank could be streamlined. With the efficiency of some of these tools, the results are efficiency and Process Optimization at the pretreatment stage can save the total energy expended which is 2,316,412,866 kcal and can save costs of Rp 10,620,754,335/hour. Based on the economic feasibility analysis, a bioethanol plant from corn stalks with a capacity of 22,000,000 tons/year is feasible to be established with POT, NPV, BEP and IRR obtained of 1.95 years; Rp. 50,676.845,009.93; 25.63%; and 44%.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Energi, Bioetanol, Fermentasi, Yeast, Molecular Sieve, Energy, Bioethanol, Fermentation
Subjects: T Technology > TP Chemical technology > TP339 Ethanol as fuel. Biomass energy.
Divisions: Faculty of Vocational > 24305-Industrial Chemical Engineering
Depositing User: Nabila Fara Anindya
Date Deposited: 20 Aug 2021 01:58
Last Modified: 20 Aug 2021 01:58
URI: http://repository.its.ac.id/id/eprint/87963

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