Enhancing the economic efficiency of an AD plant


Cooperation between DSM Biogas / OMEX Environmental Ltd and an anaerobic digestion plant in England started when the plant was experiencing impaired performance due to thickening of the digestate, crusting and reduced ability to mix the digestate. This resulted in increased electricity consumption and reduced biogas output.

The anaerobic digestion plant uses “ring-in-ring” technology, in which an outer ring is fed with the substrates and its contents then overflow to the inner ring, where the anaerobic digestion of the substrates is completed.

The digestate is then conveyed to

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