The most striking result is that small scale bioSNG technology based on allothermal gasification is able to compete with large scale bioSNG technology based on pressurised, oxygen-blown gasification not only in terms of GHG emissions, primary energy need and conversion efficiency but also in terms of bioSNG production cost!
WoodRoll® is one of three thermochemical conversion routes that is investigated within the LignoSys project. The technology is based on drying, pyrolysis and indirect gasification of biomass and waste.
The WoodRoll® system is developed and marketed by Cortus Energy AB.
The first industrial scale facility was inaugurated on the 19th of June at the premises of Höganäs AB, the world leading manufacturer of metal powders.
The ribbon-cutting cermony was performed by (from left) Peter Wallenberg Jr, Wallenberg Foundation, Fredrik Emilsson, CEO Höganäs AB, Maria Wetterstrand, board member Cortus Energy AB and Rolf Ljunggren, CEO Cortus Energy AB.
Photo: Jörgen Held
To produce biomethane through bio- or thermochemical conversion of biomass/waste the carbon dioxide formed during the conversion process has to be removed.
Within LignoSys, upgrading by chemical absorbtion was selected as the preferred option since excess process heat is available for the thermochemical conversion routes.
Puregas Solutions a supplier of biogas upgrading based on amine scrubbing took part in a project meeting in November 2016. As a result of the meeting Puregas Solutions has provided the complete interface list based on the WoodRoll® gasification system.
System study of lignocellulosic feedstock for biomethane production