The Potency of Leaf Litter with Cow-Manure Inoculum as Biogas Substrate using AMPTS II Digester

Faisal Arliansyah Iqbal, Efri Mardawati, Sri Suhartini

Abstrak


Leaf litter, wood branches, stems, and dead plants still store carbon reserves included in organic carbon (C-organic) which can be utilized as a source of energy for microorganisms. Dry leaf litter can be utilized into alternative energy in the form of biogas by anaerobic digestion. One of the suitable materials as a mixture in the anaerobic digestion process is inoculum derived from cow dung. This study used a completely randomized design (CRD) using the AMPTS II tool for Biochemical Methane Potential (BMP) testing. The substrates used were pure inoculum and inoculum with leaf litter. The results showed that the mixing of leaf litter with cow manure inoculum will interact with each other where methanogenic bacteria in the inoculum will get additional energy from leaf litter organic matter. Cumulative methane volume for 28 days in the mixture of leaf litter with leaf litter inoculum using AMPTS II digester is 2666.80 NmL. This is better than the pure inoculum treatment which only produces 2141.17 NmL of gas.

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Referensi


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