Triangle Ltd

Bio-fuels- Anaerobic digestion

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Courtesy of Triangle Ltd

Anaerobic digestion is a series of processes in which micro organisms break down biodegradable material in the absence of oxygen. It is widely used to treat wastewater sludges and organic (agricultural) wastes.  As part of an integrated waste management system, anaerobic digestion reduces the emission of gas into the atmosphere. Anaerobic digestion is a renewable energy source because the process produces a methane and carbon dioxide rich biogas suitable for energy production. BioFuel Generators can convert this to electrical energy for re-use and sale to the national grid. In addition the nutrient-rich solids left after digestion can be used as fertiliser. Triangle offers solutions for careful control of the digestion process, temperature, pH, and loading rates crucial to obtaining efficient breakdown of the material, as disturbances to a digest can lead to process failure.  Triangles’ efficient and well designed systems offer one of the most useful decentralised sources of energy supply, are less capital intensive than large powerplants and provide a solution for cheaper production of energy by utilising animal waste held in storage due to climatic or legislative restraints limiting application or disposal. New environmental legislation covering solid waste disposal methods in developed countries has increased the application of anaerobic digestion as a process for managing and reducing waste whilst generating useful by-products, which include power and energy.

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