Biomethane production in Italy

Biomethane production in Italy

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Biomethane production in Italy: the raw material and its origins (self-production or cultivation) and the potential of a biomass plant for the production of biomethane in Italy.

Thebiomethaneand themethane gasproduced by the refining ofbiogas obtained, in turn, from the anaerobic digestion of organic substances. The raw materials for thebiomethane productionthey are wastewater and sewage sludge, food wastewater, livestock wastewater (slurry and manure from farms), gardening residues or dedicated crops. In general, thebiomethaneit is produced starting from the so-called biomass.

Although thebiomethaneis a renewable source, has caused much discussion about itself for a potential negative impact on the environment. Therebiomethane productionit is sustainable only when it has a short supply chain, that is when the raw material is self-produced by the same company that deals withbiomethane productionor locally derived.

The production of biomethane from dedicated crops is very controversial, especially since corn crops (from which the biomass for the production of biomethane is obtained) are too often located very far from the production plant.

Thebiogasfor thebiomethane productionis obtained from the decomposition of the organic substance in an anaerobic environment, the decomposition is "catalyzed" by microorganisms capable ofdigestorganic waste and release biogas as a product of anerobic digestion. Once the biogas is obtained, it must be refined. Thebiogasraw is composed ofmethaneat 55 - 65%, the remaining percentage composition is given by other gases and among these a good part ofCO2.Carbon dioxide does not represent a problem for the environment as it is eliminated by theraw biogaswith a PSA process, pressure swing absorption, which uses absorbent matrices, alternatively it can be eliminated with a water scrubbers.

In Europe, the largest producers ofbiogasthey are the United Kingdom and Germany, followed at a great distance by Italy, Spain and France.

Therebiomethane production in Italyit is a reality that could bring good profit margins especially in the Central-Southern regions where agricultural development is such as to allow local management of raw materials destined for the production ofbiogas.

There biomethane production is yet another example of how it is possible to obtainenergy from wasteproducing income. With thebiomethanestumbles upon the classic problem of biomass. We can talk about sustainable production only when the raw material is produced locally or in neighboring locations, otherwise the energy balance, considering the fuel burned and the emissions related to the transport of raw materials, may not be so favorable. The scenario becomes complicated when the raw material comes from dedicated corn crops. It is for this reason that the most virtuous potential of thebiomethane production in Italyit is located in the central and southern regions which could produce 3 billion cubic meters ofbiomethanesustainable.

According to a study by Althesyspresented at the meeting "Biogasdoneright and soil carbon sequestration", Organized by"Italian Biogas Consortium ", for every euro invested inbiogasfrom farms in Central and Southern Italy, a return of up to 4 - 5 euros could be achieved. Alessandro Marangoni, managing director of Althesys, comments on the possibilities of biomethane production in Italy.

The potential of biomethane is considerable, both in terms of contribution to sustainable development and for employment. Our research shows that the potential of biomethane coming from the Central-Southern regions varies between 2.1 and 3.1 billion cubic meters by 2030. It is a fuel of non-fossil origin that can be produced starting from the use of raw materials of local agricultural origin, capable of to favor a more careful management of the territory and environmental protection.

Thanks to the potential activities of farms in the regions of Abruzzo, Molise, Campania, Puglia, Basilicata, Calabria, Sicily, Sardinia, with biomethane production there could be a total economic impact of 18.4 to 27.4 billion euros, depending on the evolutionary scenario.

Biogas production and biomass systems

To deepen the theme of biomethane production and the exploitation of biomass for the production of electricity and heat generation, we recommend a professional and complete manual that will help you evaluate all the aspects (economic and engineering) on ​​the biomethane production and biomass energy. The manual in question is very complete and does not neglect any detail. The price amounts to € 58.65 but it is a book intended for professionals in the sector who intend to exploit biomass for the construction of a plant. For more information on the book, we refer you to the official Amazon page: Biomass systems. Heat, electricity and biomethane generation plants.

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Video: IVECO BUS - Biomethane production (August 2022).