KHD has started with the modernisation process of Heidelberg Cement?s plant in Lengfurt, Germany. The upgradation will include the modernisation of raw meal grinding unit with KHD SKS VC 3000 dynamic separator, and the existing preheater with KHD?s new PH5835 cyclones. The installation of the new preheater cyclones is scheduled to begin in the winter of 2015.