Anaerobic Digestion technologies for the treatment of Municipal Solid Waste

Author: Rapport Joshua L.   Zhang Ruihong   Williams Robert B.   Jenkins Bryan M.  

Publisher: Inderscience Publishers

ISSN: 1478-9876

Source: International Journal of Environment and Waste Management, Vol.9, Iss.1-2, 2012-12, pp. : 100-122

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Abstract

Anaerobic Digestion (AD) of Municipal Solid Waste (MSW) is used in several regions worldwide and systems span a range of design options including wet, dry, thermophilic, mesophilic, batch, continuous, single-stage, and multi-stage configurations. This paper reviews a number of commercial and emerging solid waste digestion systems discussing performance and costs. Systems yield 250-710 m³ of biogas per tonne of VS at rates of 1-6 m³/m³/d with methane content of 55-65%, depending on MSW composition. Economies of scale have been shown for system costs. Economic viability depends heavily on capital and operating costs, tipping fees and product/co-product revenues.