Biogas - how and why?

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Biogas is a green energy source which helps recirculating nutrients and carbon into agricultural soil.
 
Biogas is produced in a natural process of decomposing organic biomasses. When biomasses are processed in a biogas plant, the biogas plant will produce a renewable gas which will replace fossil based energy and reduce the CO2 emissions.
 
As crops grow on the fields they will absorb CO2 from the atmosphere. The carbon in the CO2 is used as the building blocks in the crops. When the crops are used as animal feed for livestock in the milk or meat production, this CO2 is now accumulated in the livestock, but some of it will be released with the animal manure. By utilizing the animal manure or the crops waste in the biogas plant, the anaerobic digestion process will produce methane and CO2. Depending of the use of biogas both the methane and CO2 can be utilized and thus reducing the greenhouse gasses and producing renewable energy.
 
The biogas plant will also enable an improved nutrient management in the agricultural industry. Processing animal manure in a biogas plant will as mentioned above capture methane emissions, which otherwise would be released to the atmosphere. The biogas plant will also make a fertilizer to be used in the crops farming industry. This is a fertilizer which can replace a large part of the synthetic fertilizers used in the agriculture today. The fertilizer from a biogas plant is also a great replacement for use of manure as a fertilizer, making it possible for farmers to administer the right amount of fertilizer to the crops.
 
The biogas plant thus contributes not only to meeting carbon budgets but also in reducing the pressure on the planet's resources in the form of fossil fuels, and nutrients such as nitrogen and phosphorous.
 
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