Bioenergy/ Bio-SNG, electrical power and heat from Biomass
Renewable energy is gaining importance - primarily generated from locally available biomass resources.
An existing natural gas grid can be used for transport and storage.
Biogas through fermentation of biomass
The concept of the CTU Biogas procedure is based on a reasonable use of various anaerobic digestion methods, selected as per the substrate to be digested.
CTU provides thermophilic dry fermentation solutions in a horizontal plug flow fermenter, reliable wet fermentation and a combination of both.
Bio-SNG through methanation of wood gas
The methanation process uses a fluidized bed gasifier to convert wood to a wood (synthesis) gas with low nitrogen content. The wood gas is then purified to separate sulphurous compounds and heavier tar. The main constituents of the purified gases (hydrogen und carbon monoxide) are then converted to methane in a catalytic fluidized bed reactor (methanation).
Carbon dioxide, hydrogen and water vapor are released from the resulting gas mixture. The gas is upgraded to produce Bio-SNG (Synthetic Natural Gas) replacing fossil fuel in the gas grid. Carbon dioxide can be recovered and sold, excess hydrogen is recycled.
By upgrading the quality of generated gas to that of (fossil) natural gas, Biogas und Bio-SNG can be injected into the local natural gas grid.
Uses of Biogas und Bio-SNG
By upgrading the quality of generated gas to that of (fossil) natural gas, Biogas und Bio-SNG can be injected into the local natural gas grid. Biogas and Bio-SNG can also be used in a natural gas filling stations (to fuel CNG vehicles). Biogas can also fuel co-generation plants to generate electricity and heat in high yield. These products can be fed into the energy grid or the district heating system.