Torrgas Gasification Technology

Our Innovative Solution: A patented two-stage gasification technology that uses torrefied biomass as the primary feedstock.

At the basis of our technology lies the use of torrefied biomass streams as a feedstock. This torrefied biomass is produced  via torrefaction, a process that transforms various heterogeneous (waste) biomass streams into a uniform, coal-like product. This torrefied biomass serves as the foundation for stable and dependable operations. Using this torrefied material, Torrgas has developed a two-stage gasification concept. It consists of a low-temperature gasifier (LTG) and a high-temperature gasifier (HTG).

The LTG produces a gas fraction rich in hydrocarbons and a solid biochar fraction. The HTG cracks the hydrocarbon-rich gas, resulting in a chemical-grade syngas that's free from tar and nitrogen. This syngas is applicable in downstream processes, such as the synthesis of DME, Hydrogen, Methanol, SAF and SNG.

By separating the biochar in the LTG, we facilitate the use of a non-slagging HTG. This results in reduced CAPEX and operational expenditure (OPEX), as well as enhanced operational dependability.

The minerals in the torrefied biomass become concentrated in the biochar. This biochar can act as an environmentally friendly fertilizer or soil enhancer, creating a closed mineral cycle. By sequestering this biochar, the process becomes carbon-negative. Alternatively, the biochar can be used as a precursor for activated carbon (useful in applications like gas purification and water treatment), blast furnace coke, composite additives, and more.