Clamping maize for and AD plant© Tim Scrivener
There is scope for operators of farm-based anaerobic digestion (AD) plants to improve biogas yields and increase efficiency. Analysis of German and Austrian biogas plants by Phil Hobbs, technical director for renewable energy project funder Privilege Finance, found efficiency improvements of 10-30% were possible and he believes similar gains are achievable for many UK plants. “From a farmer’s viewpoint there are three key areas to focus on, namely: feedstock, mixing and monitoring. All are closely interlinked,” he says. Feedstock The quality […]