Driffield waste plant turns food waste into electricity.
BBC News, April 14, 2011.
http://www.bbc.co.uk/news/uk-england-humber-13084304

"A new power plant in East Yorkshire has started turning waste food into
electricity and fertiliser.

The GWE Biogas plant in Driffield will use gas, produced from waste food,
to generate electricity, rather than it going to a landfill site. The
remaining decomposed food will then be used to produce bio-fertiliser for
farmland. It is hoped the anaerobic digestion plant will generate enough
electricity to power more than 3,000 homes.

Tom Megginson, one of two farmers to come up with the idea, said: "The
market for food waste has been incomplete without places like this to
bring that food waste once it's collected.

"We need local authorities and businesses across the country to start to
look at what they do with food waste, to bring it together and bring that
food to plants like this and turn it into renewable energy."

Mr Megginson said part of the £10m investment included a large bio-filter
to ensure the area did not smell. He said air vents were being used to
filter fresh air into the plant through heather, causing bacteria to grow
and eat odour molecules.

The new plant will be able to utilise supermarket and house-hold food
waste which is out of date or damaged. The process includes removing food
packaging for recycling before the food is put through a mixing tank to
produce the gas for electricity. The remaining decomposed food can then be
used as bio-fertiliser."

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