Review: Potensi Tandan Kosong Kelapa Sawit sebagai Bahan Baku Pembuatan Bioetanol dengan Metode Fed Batch pada Proses Hidrolisis

Christyfani Sindhuwati; Asalil Mustain; Yasinta Octaliya Rosly; Andika Soharmat Aprijaya; Mufid Mufid; Ade Sonya Suryandari; Hardjono Hardjono; Sri Rulianah

doi:10.33795/jtkl.v5i2.224

Authors

Christyfani Sindhuwati Chemical Engineering Department, Politeknik Negeri Malang
Asalil Mustain Chemical Engineering Department, Politeknik Negeri Malang
Yasinta Octaliya Rosly Chemical Engineering Department, Politeknik Negeri Malang
Andika Soharmat Aprijaya Chemical Engineering Department, Politeknik Negeri Malang
Mufid Mufid Chemical Engineering Department, Politeknik Negeri Malang
Ade Sonya Suryandari Chemical Engineering Department, Politeknik Negeri Malang
Hardjono Hardjono Chemical Engineering Department, Politeknik Negeri Malang
Sri Rulianah Chemical Engineering Department, Politeknik Negeri Malang

DOI:

https://doi.org/10.33795/jtkl.v5i2.224

Keywords:

fed batch, SSF, OPEFB

Abstract

Peningkatan kebutuhan energi terutama bahan bakar minyak yang tidak diimbangi dengan ketersediaan sumber energi tak terbarukan akan mengakibatkan kelangkaan energi. Pembuatan bahan bakar terbarukan merupakan solusi untuk mengatasi kelangkaan tersebut, salah satunya bioetanol. Biomassa Tandan Kosong Kelapa Sawit (TKKS) merupakan bahan baku yang cocok untuk pembuatan bioetanol karena jumlahnya yang melimpah dan mengandung lignoselulosa. Bioetanol dapat diperoleh melalui proses fermentasi dengan metode yang digunakan adalah Fed Batch Simultaneous Saccharification Fermentation. Pretreatment berupa size reduction dan delignifikasi direkomendasikan sebelum proses hidrolisis enzimatik dan fermentasi secara serentak. Metode pengumpanan Fed Batch pada High Total Solid Loading (HTSL) direkomendasikan sebagai strategi pengumpanan pada proses hidrolisis enzimatik dengan jumlah frekuensi yang tinggi memberikan hasil kadar etanol lebih tinggi.

The enhancement of energy needs, especially fuel, that is not complemented by the availability of non-renewable energy sources, would affect the deficient of energy. The production of renewable fuel such as bioethanol is a solution to overcome that deficiency. One of the substrates that are appropriate to be processed into bioethanol is Oil Palm Empty Fruit Bunch (OPEFB) because of abundant and lignocellulosic biomass. Bioethanol can be produced through the fermentation process by Fed-Batch Simultaneous Saccharification Fermentation method. Size reduction and delignification for pretreatment are recommended before the simultaneous enzymatic hydrolysis process and fermentation. Using the fed-batch as a feeding method of High Total Solid Loading (HTSL) is recommended for feeding strategy in hydrolysis enzymatic process with high frequency that can produce a higher yield of ethanol.

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