PRODUKSI SELULOSA MENGGUNAKAN KULTUR KOMBUCHA DARI LIMBAH CAIR INDUSTRI TAHU (KAJIAN PENAMBAHAN SUKROSA DAN AMONIUM SULFAT SERTA ANALISIS BIAYA PRODUKSINYA)
ABSTRACT: The objective of
this research was to assess the influence of
sucrose and ammonium sulphate additions to the waste water of tofu
industry as a substrate for Kombucha culture on
the produced cellulose sheet (pellicle) and to analyze its production
cost. The experiment was run in
triplicates employing the Completely randomized block design. Three respective
levels of sucrose (8%, 10% and 12%) and
ammonium sulphate (0.3%, 0.4% and 0.5%) were added. The parameters observed
were the yield, moisture and crude fiber contents, and the production coct was
then determined based on the most promising process. It was shown that the
sucrose and ammonium sulphate additions
significant affected the yield, moisture and crude fiber contents, as
well as the thickness of the pellicle produced. The best treatment was obtained
by the addition of 10% (b/v) sucrose and 0.4% (b/v), ammonium sulphate
which resulted in the yield of 6.89% with the following characteristics: the
thickness of 2.70 mm, and the respective moisture and crude fiber contents of
82.21% and 4.62%. The production cost to
achieve the break even point was Rp. 244,174.63 a pack of 7 kg. To get a profit
level of 10%, the selling price of the product should be Rp. 299,500.00/pack.
Key word: cellulose sheet,
Kombucha, waste water
Penulis: Irnia Nurika, Nur
Hidayat, Yaumadina Anggraeni
Kode Jurnal: jppertaniandd070014
