When talking about biomass we mean any type of organic substance that comes, directly or indirectly, from activities carried out in the plant world.
Biomass used for energy purposes consists of all organic material that can be used as fuel by converting it into solid, liquid or gaseous substances that can be easily used in conversion facilities. Part of this category are:
- Forestry products (firewood, low value mixes)
- Logging residues (wood chips, leaves, tree trunks and bush cleaning residues)
- Agricultural residues and by-products or straw, shoots, remnants after cutting plants, corn residues from threshing
- fruit pomace, grape seed flour, fruit scraps
- liquid residues from oil production and related products
- herbaceous crops for biofuel production (energy crops)
- fast-growing crops for the production of biomass for fuels
- Residues from the agri-food industry
- Wood industry waste
- Remains from furniture finishing
- Waste from paper production (lignin) (50%)
- Textile residues from spinning and fabrics
In other words, we are often dealing with the valorization of the material that results from various production activities, which otherwise would not have a convenient purpose on the economic market, turning from a potential resource into a problem.
The advantages of biomass cogeneration are:
The advantages of all renewable resources
- Conservation of the environment
- Security of supply
- Low dependence on foreign imports
- Diversification of energy sources
- Developing a short chain of energy suppliers
The advantages of biomass:
Zero carbon dioxide emissions
Availability in the territory
Possibility of exploiting waste that is difficult and expensive to get rid of
The advantages of cogeneration
Possibility of combining electricity and heat production
Wood is the foremost biomass, also known as virgin biomass. The gasification of virgin biomass enables the more efficient and cost-effective production of renewable energy compared to alternative technologies.
In addition, virgin biomass need not be specifically cultivated for energy purposes but it can also be a by-product or residue of other activities such as agricultural activities, forestry or wood finishing, becoming a valuable resource through gasification technology.
In addition to the use of biomass for clearly defined purposes (e.g., wood chips), the facility is also suitable for the use of residue matrices, such as the solid part resulting from anaerobic digestion facilities – from poultry farm litter or from paste resulting from civilian and industrial sanitation (e.g., water purification or paper pulp).
WHAT IS OBTAINED FROM THE TREATMENT OF URBAN SOLID WASTE THROUGH THE PYROLYSIS PLANT?
For 1.000 Kg /h to be disposed of, we have:
Result (product fed: wood chips)
- Synthetic oil (300kg) 30% 30%
- Syngas (350kg) 35% 35%
- Coal (350kg) 35% 35%
The size of the plant
The pyrolysis plant that we will analyze treats 1.000 Kg / hour of chips.
electrical energy production
The production of syngas and biodiesel is used for the maintenance of the plant and the generation of electricity through bi-fuel engines connected to alternators. The total hourly electricity production is 1Mwatt, with an annual total of 8000MW.
thermal energy production
The working cycle yields a thermal energy production 1,3Kcal / hour for every Kwe; 1000 Kwe yield 1300 KWt at 8000 hours per year, which means an annual output of 10400MMt.
Yearly input (ton)
Electrical energy production
Yearly production (MWe)
Thermal energy production
Yearly production (MWt)
Yearly production (ton)
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