One of the fuels that is increasingly present in many homes and infrastructure, such as transport services, is biogas, a Natural fuel That has many applications and that, although it is not a renewable and clean source, since it is a non -renewable source of energy, it is more environmentally respectful than the so -called fossil fuels, such as coal or oil. If you want to know a little more about What is biogas and its useskeep reading this ecology article and we tell you.
What is biogas: simple definition
Biogas is a combustible gas that arises from the chemical reactions that perform a certain types of microorganisms, especially bacteria, when they feed on the decomposition organic matter. That is, when certain bacteria of feed from dead organic matter, which is nothing other than what is commonly known as decomposition or rot, these microorganisms are living beings decomposing of organic matter and generate a series of gases that can be used by the human being as fuel.
However, for this gas to be produced, it is necessary that there be a series of concrete conditions, such as, for example, that it occurs in an atmosphere without oxygen, that is, an anaerobic environment, which is necessary for these bacteria to carry out this process so that gas can be useful for human use. This does not imply a big problem since, isolating organic matter in a space without oxygen and with the appropriate bacteria, it can be achieved produce biogas without any other effort thanks to the food that microorganisms carry out naturally.
The Biogas composition It is varied, but, in most cases, it can be said that it is formed by a large amount of methane gas, which is around 50% or 70% of the total. It also contains a considerable amount of CO2, and, in smaller quantities, hydrogen, oxygen and other gases.
Where is organic matter obtained to manufacture biogas?
Actually, one of the great advantages that this type of gas presents is that, precisely, It can be obtained from any type of decomposition organic matter. In this way, it can be obtained from the waste and garbage of some industries or household waste.
In fact, the excrement of the animals of the livestock industries can be used for this purpose. Or, without going any further, from the remains of food that are thrown into houses and restaurants. Actually, the garbage cube or brown color containerthat of Organic wastewhich should not be confused with the gray or dark green color and that is intended for everything organic that cannot be recycled otherwise, is designed for this. In the brown cube all the remains of food and organic matter are taken that can be used for the biogas industry What, in the end, constitutes a much simpler way to obtain a fuel that, compared to oil derivatives, emits less amounts of GHG (greenhouse gases) to the atmosphere. In this way, even if it is not a completely clean alternative, it is true that it is less harmful.
Why can biogas be used?
Biogas can have different uses. On the one hand, it can be a Natural gas efficient substitute. In this sense, biogas can be used both to move certain means of transport, such as urban buses or some shot vehicles. On the other hand, it can also be used to heat the homes, providing heating and hot water service when necessary, as with the burning of natural gas.
Likewise, biogas can also be used for produce electrical energy In energy plants. Again, we are faced with a similar use to the one made of natural gas in this regard. Burning biogas, a water circuit can be heated that, when evaporating, activates a series of turbines, which allows the energy of the movement into electricity that can be used by anyone who is connected to the supply.
Finally, another use that is not derived directly from the biogas, but from its manufacture, is the production of natural fertilizers and fertilizers. During the biogas production process, there is also a large amount of solid waste that is not used by microorganisms to produce biogas. However, these solid remains are an excellent compost to fertilize soils of any kind, from the potting plants of a house to the cultivation fields. In this way, it is an industry, not only does not generate solid waste, but the waste it generates are perfectly usable by the agrarian industry, in a clear example of closed circular economy that benefits all the parties involved.
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