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Perspective Biomethane Potential and Its Utilization in the Transport Sector in the Current Situation of Latvia
A major problem in the modern world is the overuse of fossil resources. The use of such resources and of that amount contribute negatively to the environment we live in. Fossil resources should be replaced with renewable ones. That way, less impact would be done to the environment. Renewable resourc...
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Published in: | Sustainability 2021-07, Vol.13 (14), p.7827 |
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description | A major problem in the modern world is the overuse of fossil resources. The use of such resources and of that amount contribute negatively to the environment we live in. Fossil resources should be replaced with renewable ones. That way, less impact would be done to the environment. Renewable resources would greatly contribute to a healthy sustainable future. Latvia currently ranks seventh on the number of biogas plants per 1 million per capita (27) and is searching for new ways and opportunities to switch from the production of electricity to biomethane. Thus, in this study, a mathematical approach for the calculations of biomethane potentials and emissions of different feedstocks under the anaerobic digestion principle was studied. Databases were searched for the factual numbers of livestock animals, as well as processed sludge, and average food waste. RED II and JEC Well-To-Wheels report v5 were analyzed for data on emission factors and future obligations. Out of combined biomethane potentials of different feedstocks, livestock manure’s potential share was 91%, of which 61% is dairy cow manure. The overall biomethane potential in Latvia is 2.21 to 4.28 PJ. Replacing fossil fuels with biomethane in the transport sector could lower the overall CO2-eq emissions by 12.47–23.86% or 0.4–0.8 million tonnes. |
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subjects | Alternative energy sources Anaerobic digestion Animal wastes Biogas Carbon dioxide Cattle manure Emission analysis Emissions Fertilizers Food waste Livestock Manures Natural gas Raw materials Refuse as fuel Renewable resources Sludge Sustainable yield Transportation industry |
title | Perspective Biomethane Potential and Its Utilization in the Transport Sector in the Current Situation of Latvia |
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