Startup and stability of thermophilic anaerobic digestion of OFMSW
KAUST DepartmentWater Desalination and Reuse Research Center (WDRC)
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AbstractAnaerobic digestion (AD) of the organic fraction of municipal solid waste (OFMSW) is promoted as an energy source and more recently as a greenhouse gas (GHG) mitigation measure. In this context, AD systems operating at thermophilic temperatures (55-60°C)-compared to mesophilic temperatures (35-40°C)-have the unique feature of producing hygienic soil conditioners with greater process efficiency, higher energy yield, and more GHG savings. Startup of AD systems is often constrained by the lack of acclimated seeds, leading to process instability and failure. The authors focus on strategies to startup thermophilic digesters treating OFMSW in the absence of acclimated seeds and examines constraints associated with process stability and ways to overcome them. Relevant gaps in the literature and future research needs are delineated. © 2013 Taylor & Francis Group, LLC.
SponsorsThis work was supported by the National Council for Scientific Research and the Masri Institute of Energy and Natural Resources at the American University of Beirut, Lebanon.
PublisherInforma UK Limited