In this master’s thesis we discussed the problem of increasing quantities of waste in local communities around the world, as a direct consequence of increasing growth of population. Waste material is accumulating around the world and its disposal requires the usage of techniques, that put additional strain on the environment. Information that is presented in this work was analyzed with the help of previously acquired relevant and reliable data. We presented the current most common methods of waste management and additionally explored and analyzed novel and advanced methods, that promote the transition into carbon-free society. We prepared a detailed review of current treatment plants that enable the conversion of waste into biogas or, with additional upgrades, into biomethane that are in use in Slovenia, Europe and other places around the world. Additionally, we compared the national energy and climate plans of selected member states of European Union, that employ ambitious strategies for transition into carbon-free society and adoption or usage of existing installations for production of biogas. We found out that Austria and Denmark have the most ambitious targets in the field of waste to gas production, with Sweden lagging behind the most. The number of installations that enable treatment of waste material into biogas is increasing every year. Simultaneously, installations that achieve that same goal with procedures that put additional strain on the environment are slowly being phased out or used in smaller capacities. Most treatment plants annually process from 10000 to 20000 tons of waste into biogas.
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