IOP Conference Series: Earth and Environmental Science, vol: 483,1 (2020)
Treatment of S. cereviseae and dairy cow manure on organic waste for biogas production
Lestari T.R., Utama G.L., Susanto A.B.
Abstract
The organic waste should be used to minimize environmental problems. Organic waste can be mixed with Saccharomyces cerevisiae and cow manure as raw material for biogas production. The right concentration of S. cerevisiae and cow manure is needed to get the best biogas production as fertilizer that meets the standards. This study aims to determine whether the utilization of organic waste with the addition of S. cerevisiae and cow dung can provide good biogas production. This research was conducted experimentally based on a completely randomized 4 – 3 design with factorial patterns. Treatment consists of some factors including the addition of different concentrations of S. cerevisiae (0 gr, 2 gr, and 4 gr) and the combination of organic waste and cow manure with the following ratio (1:0, 2:1, 1:1, 1:2 v/v) with three replications. The results showed that 2 gr S.cerevisiae in kitchen waste and cow manure with a ratio of 1:1 (F2S1) can produce 0.0128 m3 biogas with a decrease in the C/N ratio of 60.07 % and a sludge final pH of 6.81, respectively. © 2020 IOP Publishing Ltd. All rights reserved.
Keyword: biogas; organic waste; S. cerevisiae