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Kasman Sulaiman
Jurusan Fisika Fakultas MIPA Universitas Tadulako
Agriculture, Biological Sciences & Forestry

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FORMULASI SUBSTRAT DASAR KOTORAN AYAM DAN LIMBAH CAIR TEMPE DENGAN INOKULUM RUMEN SAPI UNTUK STUDI AWAL PRODUKSI BIOGAS Nurhayati N Mangopo; Umrah Umrah; Kasman Kasman
Biocelebes Vol. 12 No. 2 (2018)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (178.265 KB)

Abstract

Production of biogas using the basic substrate of tempeh’s liquid waste and chicken’s waste with the bacteria inoculum of cow’s rumen has been experimentally conducted. This study aims to produce biogas using the substrate with the bacteria inoculum of cow’s rumen and know the optimal mixture ratio of the basic substrate and the inoculum. In this study, the amounts of basic substrate applied were 500 g chicken’s waste and 500 mL liquid waste of tempeh. The study was designed using Complete Random Design comprising 6 treatments with 3 times repetitions, respectively. The treatments tested were P0 (100% basic substrate), P1 (80% basic substrate + 20% inoculum), P2 (60% basic substrate + 40% inoculum), P3 (40% basic substrate + 60% inoculum), P4 (20% basic substrate + 80% inoculum), P5 (100% inoculum). These treatments were fermented with anaerob bacteria for 10 days in the fermentor 1000 mL mounted with the biogas collecting balloon. Variables observed in this study were the measurements of biogas volume, culture medium pH, and biogas burning temperature, and the testing of biogas flame colour. As result of observation, unlike P5, the examined treatments of P0, P1, P2, P3 and P4 could able to produce biogas with the respectively produced volume of 53,6 cm3, 56,7 cm3, 30,0 cm3, 90,0 cm3 and 73,3 cm3. While, the measured values of culture medium pH and biogas burning temperature were 6,23-6,63 and 152oC with the flame of red colour. This study shows that the optimal mixture ratio of the basic substrate and the inoculum for producing biogas is 2:3, and the produced biogas is potential to be used as an alternative energy. Keywords: Biogas, Chicken’s waste, Liquid waste of tempeh, Cow’s rumen
FORMULASI SUBSTRAT DASAR KOTORAN KAMBING DAN LIMBAH CAIR TEMPE DENGAN INOKULUM RUMEN SAPI UNTUK STUDI AWAL PRODUKSI BIOGAS Dhini Arwindah; Umrah Umrah; Kasman Kasman
Biocelebes Vol. 12 No. 3 (2018)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (195.677 KB)

Abstract

Production of biogas using the basic substrate of tempeh’s liquid waste and goat’s waste with the bacteria inoculum of cow’s rumen has been experimentally conducted. This study aims to produce biogas using the substrate with the bacteria inoculum of cow’s rumen and know the optimal mixture ratio of the basic substrate and the inoculum. In this study, the amounts of basic substrate applied were 500 g chicken’s waste and 500 mL liquid waste of tempeh. The study was designed using Complete Random Design comprising 6 treatments with 3 times repetitions, respectively. The treatments tested were P0 (100% basic substrate), P1 (80% basic substrate + 20% inoculum), P2 (60% basic substrate + 40% inoculum), P3 (40% basic substrate + 60% inoculum), P4 (20% basic substrate + 80% inoculum), P5 (100% inoculum). These treatments were fermented with anaerob bacteria for 10 days in the fermentor 1000 mL mounted with the biogas collecting balloon. Variables observed in this study were the measurements of biogas volume, culture medium pH, and biogas burning temperature, and the testing of biogas flame colour. Based on the observation result, three of the six examined treatments which could able to produce biogas were P2, P3 and P4 with the respective volume of 160 cm3, 143 cm3, and 118 cm3. While, the measured values of culture medium pH and biogas burning temperature were 6,87-7,10 and 152oC with the flame of red colour. This study shows that the optimal mixture ratio of the basic substrate and the inoculum for producing biogas is 3:2, and the produced biogas is potential to be used as an alternative energy.
PRODUKSI BIOGAS DARI SUBSTRAT DASAR KOTORAN SAPI, KOTORAN AYAM DAN LIMBAH CAIR TAHU DENGAN INOKULUM RUMEN SAPI Subhan nuradzan; Umrah; Kasman
Biocelebes Vol. 13 No. 3 (2019)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (219.225 KB) | DOI: 10.22487/bioceb.v13i3.14968

Abstract

The research of biogas aims to obtain an alternative energy source which might replace fossil energy in the future. It was carried out starting from November 2017 to February 2018 in which was located in Langaleso Village, Dolo Subdistrict, Sigi District and in the Laboratory of Biotechnology, Department of Biology, Faculty of Mathematics and Natural Sciences, Tadulako University. The primary substrates were cow dung, chicken manure and the tofu liquid waste by cow rumen as inoculum. The installation of gas-flowed pipes was conducted by using paralon pipes with size ½ dan ¾ inch with the total lenght 8,40 m. The incubation period of the primary substrates was 30 days where the biogas volume quantification was periodically performed in the day of 10, 20, and 30. The results showed that biogas was formed at the incubation day of 10 which hence increase up to the day of 30. The observed gas volume was 223,568 cm3, 368,950 cm3 dan 458,302 cm3 respectively. The results of flame test representing blue flame indicated that the formed biogas contained the content of methane which higher than 70%. This hence revealed that the installation of biogas reactor with the type of “fixed domed plant” equipped by “watertrap” was able to produce a good quality biogas from the primary substrates were cow dung, chicken manure and the tofu liquid waste by cow rumen as inoculum for the application in the household scale.
Co-Authors Darmawati Darwis Dhini Arwindah Elisa Sesa Muhammad Syahrul Ulum Nurhayati N Mangopo Subhan nuradzan Umrah Umrah