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Jurnal Inovasi Teknik Kimia
Article . 2019 . Peer-reviewed
Data sources: Crossref
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Jurnal Inovasi Teknik Kimia
Article
License: CC BY SA
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KARAKTERISTIK BIOETANOL HASIL FERMENTASI KULIT SINGKONG

Authors: Herman Yoseph Sriyana; Ufi Nasita;

KARAKTERISTIK BIOETANOL HASIL FERMENTASI KULIT SINGKONG

Abstract

Kulit singkong merupakan limbah dari singkong yang memiliki kandungan karbohidrat tinggi sehingga kulit singkong dapat dijadikan salah satu alternatif bahan baku pembuatan bioetanol. Penelitian ini bertujuan untuk mengetahui pengaruh jumlah saccharomyces cerevisiae dan waktu fermentasi terhadap yield pada pembuatan bioethanol dari kulit singkong. Proses pembuatan bioetanol ini melalui tahap – tahap yaitu pembuatan tepung kulit singkong, proses hidrolisis tepung kulit singkong kemudian menganalisa kadar glukosa, proses fermentasi dan proses distilasi. Pembuatan bioetanol dari tepung kulit singkong diawali dengan proses hidrolisis asam. Proses hidrolisis ini bertujuan untuk mengubah polisakarida (pati) menjadi monosakarida (glukosa). Asam yang digunakan adalah asam klorida (HCl) 0,1 N, tepung kulit singkong dalam larutan asam dihidrolisa pada suhu 92oC selama 1 jam. Dari hasil percobaan hidrolisis tepung kulit singkong kemudian dilakukan analisa kadar glukosa. Pada proses fermentasi, buburan hasil hidrolisa asam yang akan difermentasi sebanyak 150 gram. Glukosa akan diuraikan menjadi etanol oleh ragi Saccharomyces cerevisiae. Dalam penelitian ini dilakukan variasi penambahan fermipan (3 gram dan 5 gram) dan waktu fermentasi (2 hari, 4 hari, 6 hari dan 10 hari), jumlah urea 3 gram. Proses distilasi untuk memisahkan etanol dilakukan selama 1 jam atau sampai tidak terjadi tetesan lagi, pada suhu 78oC – 80oC. Pada penelitian ini didapatkan yield maksimum pada waktu fermentasi 6 hari dengan jumlah fermipan 5 gram yaitu 3,7 ml bioetanol. Kata kunci : kulit singkong, bioethanol, hidrolisa, fermentasi.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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