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Biogen Power has selected Energos, part of the ENER-G group, as its technology partner in the construction of a clean energy recovery facility at Newport Docks in Monmouthshire, South Wales.

Biogen Power, a UK-based renewable-energy company, has recently gained planning permission to build the facility.

Energos gasification systems are in operation at six facilities in Norway and Germany, with a seventh plant recently opened on the Isle of Wight.

The advanced thermal conversion facility will have the capacity to process 120,000 tonnes of residual, non-recyclable industrial, commercial and municipal waste from southeast Wales.

It will generate 12MWe of renewable electricity, which is sufficient to power 18,000 homes and is the equivalent output of 22 large wind turbines.

Biogen Power believes that the waste heat can be recovered for use by neighbouring businesses or through a nearby district heating scheme.

The plant will take two years to build, starting in 2010, with completion scheduled for 2012.

It is intended to create up to 150 local construction jobs and 30 skilled ‘green-collar’ jobs.

Christian Reeve, chief executive of Biogen Power, said: ‘This is a highly suitable industrial location with good electricity connection, direct links to the highway, high potential for heat recovery and close proximity to waste customers.

‘As such, there were no objections from statutory consultees or the general public.

‘We have plans to develop 12 gasification-from-waste plants in the UK and conducted a worldwide search to identify Energos as the best technology provider.

‘Critically, this means we can offer a commercially proven, financially viable process that sets new standards of emissions performance and is a best-practice alternative to incineration and landfill,’ he added.

Nick Dawber, managing director of Energos, said: ‘Biogen Power and Energos share the same ambition to develop small-scale facilities that can provide a local community-sized solution for local residual waste.

‘This means that we can optimise heat recovery and eliminate unnecessary transport.

‘This is our second joint project to get off the ground, with construction due to start later this year on an 80,000-tonne plant in Irvine, Scotland,’ he added.

The Energos-patented gasification technology is an advanced two-stage thermal treatment process that converts residual, non-recyclable waste into a gas by using the heat of partial combustion to liberate the hydrogen and carbon within the waste.

Residual waste is fed into the gasification chamber, where it is manufactured into a syngas.

This syngas is then transferred to a secondary oxidation chamber, where it is fully combusted in a controlled environment that enables much tighter control than can be achieved in conventional energy-from-waste plants, resulting in low emissions.

The resulting heat energy is used to produce steam, which can be used to supply renewable heat and/or electricity.

The track record of all the operating Energos plants shows that dioxin emissions are typically one per cent of the EU safe limit.

According to the company, this is achieved by the control of the combustion of the syngas in the second stage, combined with the design of the boiler system that cools the gas down rapidly to reduce the reformation of dioxins.

Any residual dioxins are removed using carbon and a filter to remove dust particles.

Energos has preliminary accreditation for Renewables Obligation Certificates (ROCs) and its advanced gasification process qualifies for maximum double ROCs.

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