ANALISIS KANDUNGAN METANA (CH4), pH, DAN TEKANAN PADA BIOGAS HASIL FERMENTASI ECO-ENZYME DENGAN PENAMBAHAN STARTER FESES SAPI

ANGGUN, SETIOWATI (2023) ANALISIS KANDUNGAN METANA (CH4), pH, DAN TEKANAN PADA BIOGAS HASIL FERMENTASI ECO-ENZYME DENGAN PENAMBAHAN STARTER FESES SAPI. Diploma thesis, UIN RADEN INTAN LAMPUNG.

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Abstract

ABSTRAK Larutan eco-enzyme pada umumnya dimanfaatkan dalam pembuatan desinfektan, pembersih lantai, pupuk cair, pengawet dan lainnya. Pada penelitian ini eco-enzyme digunakan sebagai bahan utama dalam pembuatan fermentasi biogas dengan penambahan feses sapi sebagai starter tambahan dalam fermentasi. Penelitian bertujuan untuk mengetahui kandungan metana (CH4), pH, dan tekanan pada fermentasi eco-enzyme dengan penambahan starter feses sapi. Penelitian ini merupakan penelitian kuantitatif dengan jenis penelitian eksperimental serta teknik pengambilan data observasi langsung dan teknik analisis data menggunakan analisis statistik deskripsi. Penelitian ini terdapat tiga parameter uji yaitu uji metana (CH4), pH, dan tekanan dengan menggunakan lima perlakuan yaitu perlakuan dengan bahan isian yang berbeda yaitu P1 (3000 ml eco�enzyme + 750 g molase + 600 g starter feses sapi), P2 (3000 ml eco�enzyme + 750 g molase + 800 g starter feses sapi), P3 (3000 ml eco�enzyme + 750 g molase + 1000 g starter feses sapi), P4 (1000 ml eco�enzyme + 750 g molase + 1000 g starter feses sapi), dan P5 (1500 ml air + 1500 g starter feses sapi). Berdasarkan penelitian yang telah dilakukan dengan menggunakan lima perlakuan tersebut dapat disimpulkan bahwa hasil tertinggi dari setiap parameter ditunjukkan pada perlakuan P5. Perlakuan P5 menghasilkan gas metana (CH4) tertinggi yaitu dengan besar konsentrasi 2,889 %. Tingkat keasaman pH yang optimal dihasilkan pada perlakuan P5 yakni pada hari ke-0 pengambilan sampel 6,3 dan pada hari ke-37 sebesar 6,1. Nilai tekanan volume tertinggi dihasilkan pada perlakuan P5 yaitu sebesar 70 ml. Kata Kunci : Eco-Enzyme, Metana (CH4), pH, Tekanan iii ABSTRACT Eco-enzyme solutions are generally used in the manufacture of disinfectants, floor cleaners, liquid fertilizers, preservatives and others. In this study eco-enzyme was used as the main ingredient in the manufacture of biogas fermentation with the addition of cow feces as an additional starter in the fermentation. The aim of the study was to determine the methane content (CH4) , pH, and pressure on eco�enzyme fermentation with the addition of cow feces starter. This research is a quantitative research with the type of experimental research as well as direct observation data collection techniques and data analysis techniques using descriptive statistical analysis. In this study, there were three test parameters, namely methane (CH4), pH, and pressure tests using five treatments, , namely P1 (3000 ml eco-enzyme + 750 g molasses + 600 g cow feces starter), P2 ( 3000 ml eco-enzyme + 750 g molasses + 800 g cow dung starter), P3 (3000 ml eco-enzyme + 750 g molasses + 1000 g cow dung starter), P4 (1000 ml eco-enzyme + 750 g molasses + 1000 g cow feces starter), and P5 (1500 ml of water + 1500 g of cow feces starter). Based on the research that has been done using the five treatments, it can be concluded that the highest results for each parameter are shown in the P5 treatment. The P5 treatment produced the highest methane (CH4) gas with a concentration of 2.889%. The optimal pH acidity level was produced in the P5 treatment, which was 6,3 on the 0th day and 6,1 on the 37th day incubation. The highest volume pressure was produced in the P5 treatment, which was 70 ml. Keywords : Eco-Enzyme, Methane (CH4), pH, Pressure

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