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Energy-saving claim for food waste “Muncher” machines

An aerobic digestion plant in East Yorkshire has had “Muncher” machines fitted to reduce feedstock food waste to around 70% of its original volume without using high levels of energy.

The Tanks and Vessels Ltd facility in Goole has been supplied with SB and TR Munchers from Manchester company Mono Pumps.

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Manchester firm Mono Pumps says its “Muncher” machines can prepare food waste for anaerobic digestion without using high levels of energy

The machines help to process food and vegetable waste and reduce material to a homogenous particle size.

The TR Munchers also attack hard particles such as fruit stones, which can jam macerators causing the shafts to twist and shear – meaning costly repairs and downtime can be avoided.

The SB Munchers are used in place of high speed macerators and the manufacturers claim they can provide a saving of up to 85% on energy requirements.

Once the Munchers have done their work, the material is transferred to digestion tanks, which produce a liquid soil conditioner end product. The soil conditioner can be sold as a substitute to fertilizer since it is rich in nitrogen, potassium and phosphorus.

The East Yorkshire facility was opened for business last month after a period of tests.

Clive Stone, Tanks and Vessels manager, commented: “Mono provided us with great size-reducing equipment The pumps haven't been blocked since we started using the Munchers. We are really happy with the system and have found it very cost-effective. ”

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