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Heat treating of organics

Landia three pasteurisation systems 2000

Three pasteurisation systems made by Landia are helping Shropshire Energy to produce 2.5MW of renewable energy at its anaerobic digestion plant in Littleport, Cambridgeshire.

Designed as a freestanding unit that heat-treats organic waste so that the product can be used as an energy-efficient substrate, each 3 x 8cu m pasteuriser is fitted with an 11kW Landia chopper pump and a PODTR-I 7.5kW side-entry propeller mixer.

Organic waste received at 40°C is liquefied then heated to 70°C, before being pumped back out to a buffer tank and then separator. The finished digestate (8% dry solids) is PAS110-approved for use as a nutrient-rich fertiliser.

Surplus electricity is fed back to the national grid.

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