Scottish Water Horizons gets food digester
In the UK, Scottish Water Horizons, the commercial arm of Scottish Water, has received an anaerobic digestion tank that will turn food waste into energy at its Deerdykes Organics Recycling facility in Cumbernauld.
From Q2 next year, the £7 million (€7.83 million) food recycling unit will turn 30,000 tonnes of solid and liquid food waste into around 8,000 megawatts of power each year, enough electricity to power up to 2,000 homes.
A massive 16m high, 20.5m diameter tank is being erected on the site. This tank will hold food waste for 15-20 days and convert it to biogas.
The anaerobic digestion unit is
being constructed by Henry Boot Scotland and Monsal. The digester tank is being supplied and erected by UK-based Kirk Environmental.
Chris Banks, commercial director, Scottish Water, says: ‘This electricity will be used at the Deerdykes facility and any surplus will either be used to power the neighbouring industrial estate or sold back to the national grid. A scheme to export the heat to local homes and businesses is also being investigated’.
The process also produces nutrient rich digestate which can be used as a liquid fertiliser to improve the nutritional content of Scotland’s soil resources.
The facility will also take in food waste from supermarkets and food manufacturers who are also becoming more enthusiastic about the waste sector because of recent changes in market conditions.
Landfill tax will escalate by £8 per tonne each year until at least 2013, taking it to £72 per tonne excluding processing fees.
From Q2 next year, the £7 million (€7.83 million) food recycling unit will turn 30,000 tonnes of solid and liquid food waste into around 8,000 megawatts of power each year, enough electricity to power up to 2,000 homes.
A massive 16m high, 20.5m diameter tank is being erected on the site. This tank will hold food waste for 15-20 days and convert it to biogas.
The anaerobic digestion unit is
being constructed by Henry Boot Scotland and Monsal. The digester tank is being supplied and erected by UK-based Kirk Environmental.
Chris Banks, commercial director, Scottish Water, says: ‘This electricity will be used at the Deerdykes facility and any surplus will either be used to power the neighbouring industrial estate or sold back to the national grid. A scheme to export the heat to local homes and businesses is also being investigated’.
The process also produces nutrient rich digestate which can be used as a liquid fertiliser to improve the nutritional content of Scotland’s soil resources.
The facility will also take in food waste from supermarkets and food manufacturers who are also becoming more enthusiastic about the waste sector because of recent changes in market conditions.
Landfill tax will escalate by £8 per tonne each year until at least 2013, taking it to £72 per tonne excluding processing fees.
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