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This module is delivered by Bangor University.
Anaerobic Digestion (AD) of crops and waste streams is seen as an important technology to improve the sustainability of the food production system. AD technology can be used to produce renewable energy, while the remaining digestates can act as fertilizer. The focus of the module is on the use of AD at farm-scale level. The module covers not only the technological aspects of AD, but also the opportunities and consequences of different feed-stocks, the alternative uses of the produced energy and digestates, the integration of an AD unit in the overall farm operation, the planning and regulatory frame-works and the wider environmental, social and economic aspects.
The module’s units include:
- AD technology and plant concepts: biochemistry, design concepts, installation and operation
- Feedstocks: dedicated crops and waste streams (agriculture/food)
- Biogas storage and use: combined heat and power, biomethane for transport or grid injection
- Digestate storage and use: agronomic value and environmental implications
- Health and safety aspects: pathogens, gaseous emissions, explosion risks
- Integration of AD in a farming operation: consequences of farm type and farm scale
- Economic analysis and assessment: Feedstock costs, energy costs and feed-in-tariffs
- Regulatory and planning frameworks: waste management regulations, planning issues
- Environmental sustainability of AD: life cycle assessment of AD systems
- Co-operation: collaborative models for AD deployment
Contributions from: Prof Dave Chadwick, Dr Dave Styles, Dr Prysor Williams and experts from the BioComposites Centre and IBERS