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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis
Tri Dian Oktiana
Program Studi Teknologi Hasil Perairan, Sekolah Pascasarjana, IPB, Bogor
Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Library & Information Science

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GREEN ALGAE Ulva sp. AS RAW MATERIAL FOR BIOGAS PRODUCTION Tri Dian Oktiana; Joko Santoso; Mujizat Kawaroe
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 7 No. 1 (2015): Elektronik Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (353.797 KB) | DOI: 10.29244/jitkt.v7i1.9806

Abstract

Ulva sp. is a non edible seaweed and posses a high growth rate. Therefore, this species is potential to be developed as a raw material for biogas production. One important factor on the biogas production is to determine organic loading rate (OLR). The aim of this study was to determine the potential of Ulva sp. as a raw material for biogas and to find out the optimum loading rate in the process of biogas production.  Biogas production was carried out in the digester with a capacity of 22 l that was made of fiber and equipped with a manual stirrer and gas flow meter to measure gas production. Parameters analised were pH, COD, TSS, VSS, and gas composition. Organic loading rates used in this study were 0.5, 1, 1.5, and 2 kg COD.m-3.day-1.  The results showed that the optimum loading rate was 1.5 kg COD.m-3.day-1. In the loading rate of 1.5 kg COD.m-3.day-1, we obtained the highest biogas production rate of 12.14 l/day with methane content of 42.96%, average COD removal of 51.97%, and methane production of 0.33 l/g COD.   Keywords: anaerobic, biogas, COD, loading, methane, Ulva sp.
Co-Authors Joko Santoso Mujizat Kawaroe