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Household waste is sent to an Energy Recovery facility where it is tipped into a bunker. |
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A crane grabs the waste and places it into the feed hopper. It then drops down a feed chute onto the grate. |
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The action of the moving grate turns the waste to allow it to burn fully. |
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The burnt out ash passes through the ash discharger onto an ash handling system, which extracts metal for recycling. |
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The remaining ash is sent for recycling or disposal. |
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Hot gases produced in the combustion process pass through a water tubed boiler where they are cooled, the heated water becomes steam. |
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A turbo-generator uses the steam to produce electricity for export to the National Grid. |
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The gases from the boiler go through an extensive flue gas cleaning process. This consists of a gas scrubber and a bag filter where particulates are filtered out. The resulting material known as Air Pollution Control Residue is sent for disposal at a licensed site. |
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The cleaned gases are finally released to the atmosphere through the chimney. |
