Dilution of Biogas Bioactivator to enhance microbial growth

The addition of bioactivator to biogas unit is a breakthrough to accelerate and increase the formation of gas. Bioactivator are made from fruit waste that is commonly found in local markets, including bananas, papaya and pineapples. This study aims to find the level of fruit waste dilution to obtain...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2021-06, Vol.782 (2), p.22060
Main Authors: Ginting, N, Hasnudi, Yunilas
Format: Article
Language:English
Subjects:
Bacteria
Bananas
Biogas
Biological activity
Color
Containers
Dilution
Fruits
Fungi
Gas formation
Microorganisms
Odor
pH effects
Pineapples
Smell
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Summary:The addition of bioactivator to biogas unit is a breakthrough to accelerate and increase the formation of gas. Bioactivator are made from fruit waste that is commonly found in local markets, including bananas, papaya and pineapples. This study aims to find the level of fruit waste dilution to obtain consistency that supports an ideal environment for microbial growth in biogas unit. Fifteen treatments on 15 plastic containers contain fruit waste with a dilution rate of 1, 2 and 3 times with a curing period of 25 days. The parameters were bioactivators colour and smell, pH, and microbial population of bacteria and fungi. The study result was that treatment with dilution rate of 3 times gave better result than other treatments. Bioactivator colour was yellow to orange with tapai/alcohol odour. The pH varies from 3.1 to 4.2. The largest microbial population were as follows bacteria 9.45x10 7 cfu/ml and fungi 12.32x10 5 cfu/ml.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/782/2/022060