University of Strathclyde Logo banner

Glossary

AD: Anaerobic Digestion

CHP: Combined Heat and Power

COD: Chemical Oxygen Demand

Draff: Spent grain from the mash tuns; moisture content 70-80%

FIT: Feed In Tariff, available at 11.5 p/kWh electricity generated from AD.

Pot Ale: Liquid residue from the wash stills

RHI: Renewable Heat Incentive, available at 6p/kWh thermal energy from renewable sources.

SMP: Specific Methane Production Rate (m3 methane/tonne substrate)

Spent Lees: Liquid residue from the spirit stills