Bioreactor: An apparatus or system, such as a large fermentation chamber or digester, for growing micro-organisms and fostering biochemical activity under controlled conditions.
Co-generation: The process of producing both electricity and heat simultaneously, often referred to as a combined heat and power (CHP) system.
Digestate: Material that remains after the anaerobic digestion process is complete.
Feedstock: Biodegradable material that is put into an anaerobic digester.
Electrical Generation Capacity: The maximum technical full-load sustained output of an electricity generating facility; actual output is usually lower. Capacity is measured in watts, kilowatts, or megawatts.
FOG: Fats, Oil, and Grease - common byproducts of food processing operations. Limited proportions of FOG can increase biogas production in a digester.
Kilowatt (kW): An instantaneous measure of power equal to 1,000 watts. It can be used to measure the capacity of a generator or the demand by an appliance.
Kilowatt hour (kWh): A unit of energy that represents one kilowatt of power generated or consumed for one hour. It is the unit by which most business and residential customers are billed for their electricity use.
Source-Separated Organics (SSO): Compostable or digestible materials that are segregated from the point of generation and collected separately from waste materials, to avoid any blending or contamination from the waste materials.
TSS: Total Suspended Solids, a measure of the weight of the solids found in water that are too large to pass through a filter of a specified bore (expressed as mg/l). TSS is similar to turbidity, but gives an actual mass of solids contained in a sample of water.
WWTP: Wastewater Treatment Plant.
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