The effect of using thermally dried sewage sludge as an alternative fuel on Portland cement clinker production

Nuria Husillos Rodríguez, Sagrario Martínez-Ramírez, María Teresa Blanco-Varela, Shane Donatello, Manel Guillem, Joan Puig, Carla Fos, Enric Larrotcha, Josep Flores
Journal of Cleaner Production, Volume 52, 1 August 2013, Pages 94-102
http://www.sciencedirect.com/science/article/pii/S0959652613000759