Chemical Looping Pilot Plant Results Using a Nickel-Based Oxygen CarrierT. Pröll, P. Kolbitsch, J. Bolhàr-Nordenkampf and H. HofbauerOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 66 2 (2011) 173-180DOI: https://doi.org/10.2516/ogst/2010036