Organics

Wet organic waste to energy

 

Anaerobic digestion involves the breakdown of organic waste by bacteria in an oxygen-free environment. It is commonly used as a waste treatment process but also produces a methane-rich biogas which can be used to generate heat and/or electricity.

 

Anaerobic digestion equipment consists, in simple terms, of a heated digester tank, a gas holder to store the biogas, and a gas-burning engine/generator set, if electricity is to be produced. The organic waste is broken down in the tank and up to 60% of this waste is converted into biogas; the rate of breakdown depends on the nature of the waste and the operating temperature. The biogas has a calorific value of typically between 50% and 70% that of natural gas and can be combusted directly in modified natural gas boilers or used to run internal combustion engines.

 

The Organics anaerobic digestion system has been designed to be both high-rate and with an ability to manage refractory solids.

 

Key Features and advantages

• high-rate anaerobic digestion employing proprietary technology
• waste reduction and energy recovery
• fertiliser and compost by-products
• production of biogas without creation of issues related to air pollution
• social net benefit by avoiding greenhouse gas release and production of renewable energy

 

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