Carbon capture and utilization (CCU) is a key topic for mitigation of CO2 emissions. There are many different technologies that are applied for the production of diverse chemicals from CO2 such as synthetic natural gas, Fischer-Tropsch products, methanol and polymers. Power-to-Gas and Power-to-Liquids concepts arise as a synergetic solution for storing energy and producing value added products from the intermittent renewable energy sources and CCU.
VTT has extensive
experience in piloting and upscaling of new energy and chemical processes.
Recently, VTT has developed and commissioned a Mobile Synthesis Unit (MOBSU) in
close collaboration with INERATEC GmbH, a spin-off company of Karlsruhe Institute of
Technology (KIT, Germany). The Mobile Synthesis Unit is a multipurpose system for CO2
upgrading to energy carriers and chemicals, which can be transported on-site
where CO2 emission and renewable energy are available.
The unit is comprised
of a VTT in-house designed reverse water gas shift reactor and a micro-scale Fischer-Tropsch
reactor by INERATEC. These technologies enable the production of hydrocarbon
products from CO2 and H2 with production rate of 14 kg of hydrocarbons per day in continuous operation. The
initial start-up of the unit was in 2016 and it’s currently in the use of SOLETAIR project.
During 2017 a
methanation reactor will be added enabling the production of synthetic natural
gas (SNG). The process utilizes Sabatier reaction in which CO2 and H2 react to methane typically on a nickel
All reactors and a control
room are constructed in a single 2.5x 9.1 x 2 m container. It
is possible to transport the unit for on-site testing of an industrial waste
gas stream. In spring 2017 the container will be transported to the solar power
field of Lappeenranta University of Technology as part of SOLETAIR project.