Small and Dry – Feasibility Study

A feasibility study that looks into managing farm waste using a Dry Anaerobic Digestor

A report written by Snowdonia National Park Authority (SNPA) identifies the challenge faced by many farmers in managing surface waste from their livestock. The waste is at risk of entering the water system polluting our rivers and lakes. SNPA contacted Arloesi Gwynedd Wledig, and set up a seminar meeting with interested parties to discuss what was possible.

The aim of this project is to create a Feasibility Strategy to identify whether farm waste such as farmyard manure and other organic materials can be sustainably managed by using biogas (fuel) in a Dry Anaerobic Digester, and creating useful by-products – especially fertilizer. Is such a mass system viable, and how does it fit with current or adaptable farming practices?  Is it likely to lead to better nutrient management and less diffuse pollution?

The study explores options for a dry micro digester solution for upland beef herds – incorporating materials such as bracken, purple moor-grass and soft rush. The study will focus on two farms run by National Trust tenants in the Snowdonia National Park. By studying a real case, rather than theoretical scenarios, it is expected that the commissioned report will show under what methods and options a Dry Micro Digester can work to manage waste and nutrients and low carbon energy generation.

A copy of the final report is available here.


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Arloesi Gwynedd Wledig, 146 Stryd Fawr, Porthmadog, Gwynedd LL49 9NU