Gasification – Biomass
Biomass, as renewable energy, allows to accumulate the energy that has been fixed during the period of growth of the plant. Through different transformation processes, this energy is released, obtaining heat, electricity or mechanical energy.
Good management of it makes biomass an inexhaustible resource.
The thermochemical processes of conversion of biomass into energy are those in which irreversible chemical reactions are involved, at high temperatures and under varying oxidation conditions. Among all of them, they stand out:
- Gasification in bubbling fluid bed, process in which the biomass in the presence of a limited amount of oxidizing agent becomes fuel gas (syngas). This generated syngas has the calorific power necessary for its use as fuel in internal combustion engines, which coupled to alternators produce electrical energy that is poured into the network.
- Combustion, process in which the heating of the biomass is carried out with an excess of air, producing steam that moves a turbine. The alternator coupled to the turbine is responsible for generating the electricity that is poured into the network.
The services offered by KERN in this field are diverse:
- Turnkey projects or EPC of power generation plants with and without thermal use
- Operation and management of third party plants
KERN has designed, developed and put into operation an electrical and thermal generation plant from forest biomass with gasification technology in a bubbling fluid bed, in the Zaragoza municipality of Ejea de los Caballeros.
Main technical and operational features of the plant:
- Start-up date: 2012
- Nominal electrical power: 2 MWe
- Nominal thermal power: 7.25 MWt
- Gasification Performance: 75%
- Biomass consumption: 18,000 Tn/year (35% humidity)