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Biogas is released as a result of fermentation of biomass under the influence of hydrolysis, acid-forming and methane-producing bacteria. And in this chain of decomposition bacteria use the products of decomposition of the previous stage.
The resulting biogas contains 55-75% of methane, 25-45% of carbon dioxide and premises. Biomethane is obtained by clearing it from carbon dioxide.
Biogas can be obtained from the agricultural wastes, waste waters and industrial wastes. The difference will be only in the quality of biogas (the percentage of CO2 and methane).
To find out what will be the quality of biomethane, it is necessary to calculate the content of proteins, fats and carbohydrates in proportion. You also need to figure out dry mass of light and recalcitrant compounds, to calculate the biogas part in each component, then add all the numbers.
The use of this material will allow to obtain biomethane continuously and rather easily.
Such energy crops as silage corn and sylphs are also grown to serve raw material. It is believed that the processing of 1 ton of livestock farms wastes can bring 30-50 m3 of biomethane (60% of methane) and up to 1,300 m3 of 87% biomethane from processing the fat.
