The SIM 4850 Biogas Production model provides a comprehensive simulation of the anaerobic digestion process, transforming organic waste materials into renewable energy. Users will oversee the entire production cycle, from selecting and preparing feedstocks to managing fermentation conditions, energy utilisation, and biogas purification.
Biogas, a mixture of methane and carbon dioxide, is a versatile energy source used for electricity generation, vehicle fuel, and domestic heating. By simulating the real-world complexities of biogas production, users will investigate the effect of modifying operational parameters, feedstock choices and biogas applications to the operation and economic performance of biogas production. The model also features economic data for 5 different countries, each with different approaches to biogas and renewable energy.
Feed Pre-treatment: Users will select from a variety of feedstocks, each with unique advantages and challenges. The feedstock treatment methods can be varied, which have an impact on the energy and resource efficiency of the overall process.
Fermentation: In the digester, microorganisms break down organic material under controlled conditions to produce biogas. Users will regulate key parameters such as temperature and pH to maintain optimal microbial activity. Safety is also crucial, as biogas is flammable. A by-product of this stage, digestate, can be utilised as an organic fertiliser.
Energy Utilisation: A portion of the produced biogas is used in a combined heat and power (CHP) plant. This generates electricity and heat, supporting digester operation and supplying power to external consumers.
Biogas Purification: The remaining biogas undergoes purification to remove CO2 and trace gases, yielding high-energy biomethane. This purified gas is pressurised, odorised, and injected into the local grid for use in residential, industrial, and power generation applications.
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