Energy-from-waste site proposed for Hatfield

PUBLISHED: 17:33 30 September 2008 | UPDATED: 09:41 27 October 2009

A similar facility operational in the Isle of Man

A similar facility operational in the Isle of Man

The facility being proposed for New Barnfield will utilise Energy from Waste (EfW) with Combined Heat and Power (CHP). This process involves burning waste at very high temperatures under controlled conditions. Our picture shows a facility in the Isle of M

The facility being proposed for New Barnfield will utilise Energy from Waste (EfW) with Combined Heat and Power (CHP).

This process involves burning waste at very high temperatures under controlled conditions. Our picture shows a facility in the Isle of Man which is already operating.

EfW makes use of the valuable heat which is produced during the process to generate electricity.

Furthermore, the CHP element enables the plant to operate more efficiently and provide heat to the local area.

For every 100 tonnes of rubbish burned, 10 tonnes of ash is produced.

Some of this debris can be 'recycled' and used in, for example, cement or as a sub base for roads.

The rest will still need to be buried in the ground - although at a greatly reduced quantity or pollution than waste put in landfill.

Other methods of dealing with waste which is not recycled or composted, such as biological and thermal treatment, were looked at by the council.

However, the EfW and CHP process was deemed most suitable on social, technological and economic grounds.

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