Fuel process. technol. Fuel process. technol. Use of oxyfuel combustion ash for the production of blended cements: a synergetic solution toward reduction of CO2 emissions Telesca A. Marroccoli M. Ibris N. Lupiáñez C. Díez L. I. Universidad de Zaragoza Romeo L. M. Universidad de Zaragoza Montagnaro F. 2017 research-article