Pembuatan Biogas Dari Rumput Laut Jenis Caulerpa Racemosa Dan Sargassum Duplicatum Sebagai Bahan Energi Alternatif

Abstract

Seaweed has economic value that is very important for humans. Several years ago, only seaweed used as human food ingredients. Given the many types of seaweed are still not popular yet widely used and Along with the progress of science and technology, utilization of seaweed has expanded in various fields, including one uses seaweed as an ingredient of biogas alternative energy. The purpose of this study was to determine the potential of seaweed species Sargassum duplicatum and Caulerpa racemosa for the manufacture of biogas as a new alternative energy sources and to know the pressure of gas contained in a type of seaweed Sargassum duplicatum and Caulerpa racemosa as a new alternative energy sources. This research was conducted in June-September 2010. Samples were taken in waters around Lampung Marine Aquaculture Development Center. Making biogas process is conducted at the Laboratory of Marine Science. Faculty of Mathematics and Natural Sciences, Sriwijaya University. The method used is a laboratory experimental methods. Making biogas is done by collecting seaweed and beach sediments as seedman making, preparation of the digester and the making of starter and stuffing, were examined by using biogas pressure manometer U for three months, analyze the data descriptively biogas pressure. Based on the results of research in getting the peak pressure for this type of seaweed Sargassum duplicatum is 15.47 psi, 16.05 psi and 16.43 while to get the type of Caulerpa racemosa in the peak pressure of 15.42 psi, 15.88 psi and 16, 43 psi