PEMBUATAN ETANOL DARI RUMPUT GAJAH (Pennisetum purpureum schumach) MENGGUNAKAN METODE HIDROLISIS ASAM DAN FERMENTASI Saccharomyces cerevsiae

Hasibuan, Primajogi (2016) PEMBUATAN ETANOL DARI RUMPUT GAJAH (Pennisetum purpureum schumach) MENGGUNAKAN METODE HIDROLISIS ASAM DAN FERMENTASI Saccharomyces cerevsiae. Undergraduate thesis, UNIMED.

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Abstract

Rumput gajah (pennisetum purpureum schumach) belum dimanfaatkan secara maksimal oleh masyarakat di Sumatera Utara. Padahal rumput gajah mengandung lignoselulosa yakni selulosa, hemiselulosa dan lignin yang dapat dimanfaatkan menjadi produk yang bernilai yaitu sebagai bioetanol. Penelitian ini bertujuan mempelajari manfaat rumput gajah (pennisetum purpureum schumach) untuk dibuat etanol dengan proses hidrolisis dan fermentasi dengan mengetahui pengaruh tempat pengambilan sampel terhadap kadar selulosa rumput gajah (pennisetum purpureum schumach) yaitu daerah Lubuk Pakam, Tuntungan dan Stabat; pengaruh jenis katalis asam H2SO4 dan HCl untuk proses hidrolisis serta waktu fermentasi 2, 4, 6 dan 8 hari untuk menghasilkan etanol yang optimum. Hasil penelitian menunjukkan bahwa kadar selulosa paling tinggi adalah sampel daerah Lubuk Pakam yang selanjutnya digunakan dalam proses hidrolisis. Katalis yang lebih baik dalam proses hidrolisis untuk menghasilkan etanol yang optimum adalah HCl dan waktu fermentasi yang optimum untuk menghasilkan kadar etanol yang paling tinggi adalah 6 hari dengan katalis HCl sebanyak 27,83%

Item Type: Thesis (Undergraduate)
Contributors:
ContributionNameNIDN/NIDK
Thesis advisorNasution, Hafni Indriati195809241984032001
Call Number: SK-2016 KIM 140
Keywords: Rumput gajah; Selulosa; Katalis; Hidrolisis; Fermentasi
Subjects: Q Science > QD Chemistry
Q Science > QD Chemistry > QD415 Biochemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia
Depositing User: Mr Maknun
Date Deposited: 31 Oct 2016 04:53
URI: http://digilib.unimed.ac.id/id/eprint/21002

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