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FM BioEnergy’s easy-dose digester additive delivers 400% ROI for AD plant

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A new approach to digester additives from biogas experts FM BioEnergy has boosted gas output at an Essex anaerobic digestion plant, delivering a huge return on investment for its operators BioWatt.
The 1MW Katharos Organic AD facility initially took part in a nine-week trial of FM BioEnergy's new BC.MICROcon5 digester supplement, which contains the exact daily dose of five key trace elements in a safe-to-handle, digestible tab that requires no mixing, measuring or pouring.
After seeing an instant rise in methane levels and finding the product safer and easier to use than traditional additives, BioWatt have placed an order for a year’s supply of the supplement, not only for their Katharos site but also for two other plants that they operate.
Reaching operational tipping point
Located in Thaxted, Essex in the UK, BioWatt took over the operation of Katharos Organic AD plant in 2017.
The maize-fed facility was running at an average of 25% of its operational capacity but following improvements by the BioWatt team, including replacing key equipment and hiring new personnel, performance reached a consistent 60% output.
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