Biogas and Biomass
Biogas typically refers to a mixture of different gases produced by the breakdown of organic matter in the absence of oxygen. Biomass can either be used directly via combustion to produce heat, or indirectly after converting it to various forms of biofuel. Conversion of biomass to biofuel can be achieved by different methods which are broadly classified into:thermal, chemical, and biochemical methods. the primary component of natural gas (98%), makes up 55-90% by volume of biogas, depending on the source of organic matter and conditions of degradation. Biogas is produced in all natural environments that have low levels of oxygen (O2) and have degradable organic matter present. These natural sources of biogas include: aquatic sediments, wet soils, buried organic matter, animal and insect digestive tracts, and in the core of some trees.
Traditional use of biomass is more than its use in modern application. In the developed world biomass is again becoming important for applications such as combined heat and power generation. In addition, biomass energy is gaining significance as a source of clean heat for domestic heating and community heating applications.
Sources
Humans have harnessed biomass-derived energy since the time when people began burning wood to make fire. Even today, biomass is the only source of fuel for domestic use in many developing countries.
Difference between biomass and bioenergy
When plants and other organic material used to generate energy called as bioenergy. Bioenergy is a form of renewable energy generated when biomass fuel is burn. The Biomass fuels are organic material like harvest residues, purpose-grown crops and organic waste from houses, farms and businesses.
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