MT-Energie to expand UK AD plants

Two existing anaerobic digester (AD) operations in the UK are to be expanded by MT-Energie UK, with the company contracted to construct and integrate additional digesters for the Apsley Estate near Andover, Hampshire and at Clayton Hall Farm, near Wakefield, West Yorkshire.

The 500 kW AD plant (pictured) on the Apsley Estate, which started operations in 2012, will be scaled up to 1100 kWe and 2000 m3/h raw biogas, while the 400 kW AD plant at Clayton Hall will reach 1000kWe.

However, the two revised AD projects follow quite different expansion strategies, MT Energie says.

The proximity of gas infrastructure to Apsley Farm will see the project integrate electricity production with gas-to-grid generation, therefore accessing the Renewable Heat Incentive (RHI) biomethane tariff.

Feedstock for this project will remain mainly of agricultural origin. Meanwhile Clayton Hall Farm will increase the use of food waste as feedstock – they hope to reach 80% of the total substrate from food waste and 20% from agricultural residues and purpose grown crops.

Ben Donaldson, MT-Energie’s National Sales Manager, explains: ‘These are the most recent expansion projects we are undertaking however we have received more and more requests from existing AD operators for extension or re-powering solutions which will reduce parasitic loads and plant downtime.’

In both cases MT-Energie has been chosen to assess and carry out all works relating to the plant expansion, in some cases replacing components supplied by the previous technology supplier.

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