Waste chiefs ready for pumpkin deluge - The Evesham Observer

Waste chiefs ready for pumpkin deluge

Evesham Editorial 31st Oct, 2019   0

SEVERN Trent Water is gearing up for a jump in pumpkin power next week, as thousands are expected to be delivered to its food waste plants after Halloween.

Teams at Severn Trent Green Power are expecting to see approximately 40,000 unwanted pumpkins arrive at its eight food waste plants located across the Midlands, Oxfordshire, South Wales and London, after the spookiest day of the year, where they’ll be converted into green energy.

Once they’ve gone through the anaerobic digestion (AD) process, these pumpkins will create 17 megawatt hours, witch is enough renewable energy to boil 172,800 kettles or power up 58 fridge-freezers for the year.

Pamela Lloyd, from Severn Trent Green Power, said: “When people are finished celebrating Halloween, each year we see a big increase in the number of pumpkins that arrive at our food waste plants.

“We’re getting ready to take delivery of around 40,000 pumpkins after October 31, which would otherwise be destined for landfill and turn them into green energy using the anaerobic digestion process.”

“The AD process is a clever, but pretty simple one. Our plants basically act as giant stomachs.

“As the food waste, or pumpkins in this case, break down, bio-methane gas is naturally released and captured in these ‘stomachs’.

“This green gas is then injected back into the local gas grid or converted into electricity, which again, can be exported to the local electricity grid, decarbonising the energy we all use.

“The magic doesn’t stop there either. At the end of this process, we’re left with a by-product that acts as an excellent fertiliser, rich in nitrates, which is great for farming – effectively returning food waste back to the ground it was grown in.”

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