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  • Biogas upgrading and compression

    Author(s)
    Kaparaju, P
    Rasi, S
    Rintala, J
    Griffith University Author(s)
    Kaparaju, Prasad
    Year published
    2013
    Metadata
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    Abstract
    In the anaerobic digestion (AD) process microorganisms convert organic material into biogas under anaerobic conditions. In man-made engineered systems, biogas is produced at sewage treatment plants, in AD plants from industrial and municipal biowastes as well as in farm AD plants from agricultural feedstocks such as manure, crop residues and energy crops. Biogas is also produced in landfills. The biogas composition varies in different production sites with methane (CH4) and carbon dioxide (CO2) as the main components while sulphide compounds are typically present as well as various trace compounds including siloxanes. CH4 is ...
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    In the anaerobic digestion (AD) process microorganisms convert organic material into biogas under anaerobic conditions. In man-made engineered systems, biogas is produced at sewage treatment plants, in AD plants from industrial and municipal biowastes as well as in farm AD plants from agricultural feedstocks such as manure, crop residues and energy crops. Biogas is also produced in landfills. The biogas composition varies in different production sites with methane (CH4) and carbon dioxide (CO2) as the main components while sulphide compounds are typically present as well as various trace compounds including siloxanes. CH4 is the main energy component in the biogas, while it is also a strong greenhouse gas (GHG). Biogas, similar to natural gas, is typically used for combined heat and power (CHP) generation and increasingly as vehicle fuel and for distribution through the natural gas grid. Moisture, dust and sulphur (S) compounds are typically removed before any energy use, for example to prevent corrosion. For vehicle use and natural gas grid injection as well as for some CHP applications, removal of CO2 and other contaminants is needed to produce high value product, referred to as biomethane. This chapter presents biogas composition and its upgrading for biomethane production with emphasises on CO2 removal.
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    Book Title
    Bioenergy Production by Anaerobic Digestion
    Publisher URI
    https://www.taylorfrancis.com/books/e/9781136489648/chapters/10.4324%2F9780203137697-24
    DOI
    https://doi.org/10.4324/9780203137697
    Subject
    Environmental management not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/142982
    Collection
    • Book chapters

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