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Sainsbury's expands anaerobic digestion plans to Scotland

Retailer Sainsburys will use anaerobic digestion technology to divert food waste from all of its stores in Scotland from February.

Sainsburys has teamed up with food waste recycler PDM Group to turn 42 tonnes of waste per week into biofuel and renewable energy. PDM will use its new anaerobic digestion plants and biomass combustion plants.

Speaking to MRW last week, Sainsburys non executive chair with responsibility for the environment Lawrence Christensen revealed that the plan was to start a green industrial revolution and divert all its food waste from landfill by June (see MRW story).

The plan will take effect in all of Sainsburys 28 stores from next month and will eventually be rolled out to all its supermarkets across the UK.

The store hopes to cut its reliance on landfill and save money by recycling all of its food waste.
Christensen told MRW: It costs about £8 million to get rid of waste at the moment, once we get this project up and running it will be £3m cheaper. The company becomes more efficient by adopting a truly green agenda and not just a pretend green agenda.

PDM commercial director Philip Simpson said: Environmental issues are a top concern, especially in the retail sector. Food waste has traditionally been viewed as difficult to recycle. However, this is not the case. By using a combination of innovative technologies, along with proven systems such as biomass combustion and anaerobic digestion, we are able to not only divert food waste from landfill but to create energy.

Image: Sainsbury's Dartmouth store at night

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