An overview of biogas utilization from tempeh wastewater

Tempeh is a traditional soybean product originating from Indonesia. Tempeh is a high-protein food, which costs less per unit than other animal protein sources. However, the Tempeh industry will produce waste with this process. Tempeh production process requires a lot of water to boil, soak, and wash...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2019-07, Vol.306 (1), p.12019
Main Authors: Puspawati, S.W., Soesilo, T. E. B., Soemantojo, R. W.
Format: Article
Language:English
Subjects:
Alternative energy sources
Animal protein
Balloons
Biofuels
Biogas
Clean energy
Digesters
Energy conversion efficiency
Energy efficiency
Energy research
Environmental aspects
Environmental impact
Food sources
Fossil fuels
Fuel technology
Household wastes
Industrial wastes
Industrial wastewater
Liquid wastes
Organic wastes
Protein sources
Proteins
Quality standards
Renewable energy
Renewable resources
Social factors
Soy products
Soybeans
Tempeh
tempeh waste
Waste management
Wastewater
Wastewater management
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Summary:Tempeh is a traditional soybean product originating from Indonesia. Tempeh is a high-protein food, which costs less per unit than other animal protein sources. However, the Tempeh industry will produce waste with this process. Tempeh production process requires a lot of water to boil, soak, and wash soybean skin. The research problem is that the practice of Tempeh industry has not managed wastewater well, which has the potential to cause the quality of tempeh industrial wastewater to exceed quality standards and cause negative impacts on the environment and society living around the industry, so alternatives are needed to improve wastewater management. The alternative is to convert liquid waste into renewable energy. It refers to the SDGs agenda for seven objectives (7) to improve clean energy research and technology, including renewable energy, energy efficiency, and sophisticated and clean fossil fuel technology. Biogas is a type of biofuel that comes from living things and renewable energy. This research aimed to determine the type of biogas that is appropriate for small-scale industries by utilizing Tempeh liquid waste with a mixture of household organic waste. The results showed that the biogas digester balloon is the type that is suitable for small scale industries. The selection of balloon digester is reviewed from the technical aspects, economic aspects, environmental aspects, and social aspects. Biogas is the right technology to convert tempeh waste into energy so that it can obtain economic and environmental benefits.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/306/1/012019