PENGARUH PENAMBAHAN UREA DAN SULFUR PADA LIMBAH PADAT BIOETANOL YANG DIFERMENTASI EM-4 TERHADAP KANDUNGAN PROTEIN DAN SERAT KASAR
ABSTRACT: Cassava processing
into bioethanol potentially generates waste as animal feed, but the content of
nutrients is still low. This research aims to discover effect of urea and
sulfur addition in solid waste bioethanol fermented by EM-4 on contents of
crude protein and fiber. The research used the experimental methods with completely
randomized design, factorial pattern 3 × 3 with 3 time of replicates. The first
factor, supplementation of Nitrogen is Urea (N1=0%, N2=1,5%, N3=3%) and the
second factor is supplementation of sulfur (S1=0%, S2=0,02%, S3=0,04%). Based
on the results of variance analysis showed that there is an interaction between
urea with sulfur on content of protein crude, but not on fiber crude. Addition
of each urea and sulfur showed that the content of crude protein was increased
(P<0,05) and the level of crude fiber (P<0,05) was decreased.
Fermentation along 4 day on treatment of urea 3% and sulfur 0,04% produce crude
protein and fiber of 14,44% and 6,97%, respectively. Conclusion, addition of
urea 3% and sulfur 0,04% give the good results.
Keywords: Bioethanol, EM-4
(Efective Microorganisms4), Crude Protein, Crude Fiber, Sulfur and Urea
Penulis: Yani Suryani, Iman
Hernaman, Ningsih
Kode Jurnal: jppeternakandd170110