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Sewage Sludge
Like most waste materials, sewage sludge can be viewed as a problem - or an opportunity. It can be processes by:
anaerobic digestion to produce a fuel gas called biogas;
combusted with energy recovery to generate power; or
dried and, if the heavy metal content is sufficiently low, used as a fertiliser.
Partial drying to around 30% dry solids is needed before combustion can be self-sustaining. Fluidised bed systems are generally used for municipal or industrial sludge combustion.
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| Anaerobic Digestion facility under Construction |
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Industrial Sewage Sludge Combustion Plant |
Darley & Associates have considerable experience with anaerobic digestion, drying and combustion processes and equipment and can assist with a consideration of process comparisons, equipment options, specifications, etc.
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