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All Journal World Chemical Engineering Journal
Erlina, Laras
Universitas Sultan Ageng Tirtayasa
Chemical Engineering, Chemistry & Bioengineering

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Kinetic Analysis of Biogas Production from Cow Manure Waste Tsaqif, Farhan Fadlurohman; Erlina, Laras; Putra, Afshar Rehansyah; Akram, Felda; Syaichurrozi, Iqbal
World Chemical Engineering Journal VOLUME 9 NO. 1 JUNE 2025
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v9i1.33593

Abstract

Biogas is the result of decomposing organic waste that can be used as alternative energy. One of the organic waste that has the potential to produce biogas is livestock waste. The purpose of this scientific article is to see the results of kinetic models on secondary data processing of biogas volume acquisition/day. This scientific article was conducted by processing secondary data on biogas production at several pH variations (N1 = 7.17, N2 = 7.22, N3 = 7.24) using several kinetic models, namely the Gompertz model, logistic model, and first-order model. The best results are obtained in the logistic model, where the objective function value is the smallest. For each variation of N1, N2, and N3, the SSE values obtained are 458.37, 423, and 309. For the Gompertz and logistic models have the same graphical shape which is sigmoid-shaped or "s" shaped, which indicates that there are three phases in the formation of biogas, namely the pause phase, the rapid growth phase, and the stable growth phase. For the first-order model, it has a linear graph shape which states that in this model, there is a simplification of stages, namely only the hydrolysis stage which follows a first-order pattern.
Co-Authors Akram, Felda Putra, Afshar Rehansyah Syaichurrozi, Iqbal Tsaqif, Farhan Fadlurohman