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09
2022
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10
What kind of gas is methane?
Author：
Methane is a colorless and odorless gas under normal temperature. Methane is the simplest organic compound, with the molecular formula of CH and molecular weight of 16.043. Methane is widely distributed in nature. Methane can be found in natural gas, biogas and methane.
Why is methane a clean energy source?
Methane combustion produces carbon dioxide and water. Because it does not contain ash, it will not cause haze.
In addition, straw, dung and garbage can be used as raw materials for methane production. The production process is the biogas production process. After liquefaction and separation, liquid biomass natural gas and pure carbon dioxide, biogas residue and biogas slurry are produced as high-quality organic fertilizer.
Carbon dioxide and organic fertilizer can be returned to the field and continue to participate in the plant growth process, so that the environment will not be polluted. The carbon dioxide produced by methane combustion, the carbon element in it, is absorbed from the atmosphere by plants in the process of photosynthesis.
Therefore, from a macro perspective, the amount of carbon dioxide generated by methane combustion must be less than the amount of carbon dioxide absorbed in the process of photosynthesis. Therefore, the macro perspective will not increase the concentration of carbon dioxide in the atmosphere.
To sum up, the essence of biomass natural gas model is actually the chemical form of solar energy. Large scale promotion can reduce the concentration of carbon dioxide in the atmosphere.
In addition, liquid methane is LNG, which is easy to store (- 162 ℃ liquid thermal insulation storage), and can be used as a peak shaving resource for photovoltaic fluctuations, so that photovoltaic/wind energy and other volatile clean energy can be smoothly connected to the grid for power generation.
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