Web-Resol Tudo sobre Limpeza Urbana e Resíduos Sólidos!
The Woodlawn Bioreactor has now (April 2007) been in operation 2.5 years and
has gone through a variety of operational issues which have generated management responses to
ensure that the objectives of the facility, namely the orderly disposal of 480,000 t of waste per
annum; the expected generation of energy and, finally, the avoidance of environmental impacts
is achieved. This paper describes the issues encountered which include initial waste saturation
with acid sulfate rich runoff and groundwater inflows; H2S generated OH&S issues, the
competition of sulfur reducing bacteria with methanogens and the maintenance of effective gas
harvesting, gas generation and monitoring. During this process a great deal has been learned
about the processes within the waste mass and how these can be controlled and utilized. An
essential element of the learning process has been and will continue to be, the focus of
monitoring on parameters which reflect the processes which are sought to be managed to achieve
optimal benefit
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