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Title: Household biogas digesters – a review
Authors: Rajendran, Karthik
Aslanzadeh, Solmaz
Taherzadeh, Mohammad J.
Department: University of Borås. School of Engineering
Issue Date: 2012
Journal Title: Energies
ISSN: 1996-1073
Volume: 5
Issue: 8
Pages: 2911-2942
Publisher: M D P I AG
Media type: text
Publication type: article, peer reviewed scientific
Subject Category: Subject categories::Engineering and Technology::Industrial Biotechnology
Research Group: Biotechnology
Area of Research: Resource Recovery
Strategic Research Area: Resource Recovery
Abstract: This review is a summary of different aspects of the design and operation of small-scale, household, biogas digesters. It covers different digester designs and materials used for construction, important operating parameters such as pH, temperature, substrate, and loading rate, applications of the biogas, the government policies concerning the use of household digesters, and the social and environmental effects of the digesters. Biogas is a value-added product of anaerobic digestion of organic compounds. Biogas production depends on different factors including: pH, temperature, substrate, loading rate, hydraulic retention time (HRT), C/N ratio, and mixing. Household digesters are cheap, easy to handle, and reduce the amount of organic household waste. The size of these digesters varies between 1 and 150 m3. The common designs include fixed dome, floating drum, and plug flow type. Biogas and fertilizer obtained at the end of anaerobic digestion could be used for cooking, lighting, and electricity.
DOI: 10.3390/en5082911
URI: http://hdl.handle.net/2320/11321
Sustainable development: sustainable development
Appears in Collections:Artiklar och rapporter / Articles and reports (IH)

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