21 March 2012
On 13 and 14 March this year, the kick-off meeting of the Octavius project dedicated to post-combustion CO2 capture was held at IFP Energies nouvelles’ Solaize site. The objectives of this European project (FP7) are as follows:
Coordinated by IFPEN, the project brings together 16 other partners from the worlds of research and industry:
Scheduled to last 5 years, Octavius has a total budget of €13.5 million, €8 million of which will be provided by the European Commission.
A key step in the CCS process, capture consists in extracting the CO2 produced by large-scale CO2-emitting industrial facilities, then pressurizing it before injecting it into a geological storage system. The main challenge of the research conducted as part of the Octavius project is to significantly increase the energy efficiency of the capture step in order to reduce its costs.
Among the various CO2 capture technologies, first-generation processes use alkanolamines, which have been studied in previous European projects (Castor and Cesar). Commercially available Alkanolamine based processes have been proposed for the ROAD and Porto Tolle CCS demonstration projects as part of the European Economic Recovery Plan. The Octavius project will provide the most recent information required for full-scale implementation of these processes, particularly with respect to atmospheric emissions, operability, flexibility and integration.
The second-generation DMX™ process developed by IFPEN uses a demixing solvent capable of cutting the energy consumption for solvent regeneration by almost 40%, reducing it until 2.3 GJ per metric ton of CO2 captured, in comparison with 3.7 GJ/tCO2 for a standard process using a solution containing 30% by weight of MonoEthanolAmine. The first technical and economic assessments have demonstrated that the DMX™ method applied to CO2 capture on a coal-fired thermal power plant reduces the energy penalty by 2 points, thereby cutting the costs associated with CO2 capture by 20%.
By demonstrating the capture stage on a large scale, Octavius will therefore contribute to the industrial application of CCS processes.
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