Simulations of a Circulating Fluidized Bed Chemical Looping Combustion System Utilizing Gaseous FuelK. Mahalatkar, J. Kuhlman, E.D. Huckaby and T. O’BrienOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 66 2 (2011) 301-311DOI: https://doi.org/10.2516/ogst/2010021